{"transactions":[{"id":4631503,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":183960,"kind":"person","name":"Carls Thomas Andrew","position":1,"cik":"0002155784","reported_name":"Carls Thomas Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Data & Imaging Solutions"}}],"security":"Common Stock","published_at":"2026-10-06T00:41:14.000Z","date":"2026-10-05","kind":"grant","planned":false,"acquired":true,"shares":200000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On October 5, 2026, the reporting person was granted 200,000 restricted stock units (RSUs). Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in four equal installments on each of the first four anniversaries of the grant date."},{"field":"shares","element":"transactionShares","label":"F1","text":"On October 5, 2026, the reporting person was granted 200,000 restricted stock units (RSUs). Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in four equal installments on each of the first four anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On October 5, 2026, the reporting person was granted 200,000 restricted stock units (RSUs). Each RSU represents the contingent right to receive one share of the issuer's common stock. The RSUs vest in four equal installments on each of the first four anniversaries of the grant date."}],"balance_after":202520,"source":{"system":"sec-edgar","filing":"0002155784-26-000004","document":"form4-10062026_121008.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2155784/000215578426000004/form4-10062026_121008.xml","form_type":"4"}},{"id":4615520,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":62003,"kind":"person","name":"Miles Patrick","position":1,"cik":"0001289409","reported_name":"Miles Patrick","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2026-09-11T00:58:43.000Z","date":"2026-09-10","kind":"purchase","planned":false,"acquired":true,"shares":115000,"price":8.81,"value":1013150.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.73 to $8.84, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."}],"balance_after":5893551,"source":{"system":"sec-edgar","filing":"0001289409-26-000008","document":"form4-09112026_120939.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000128940926000008/form4-09112026_120939.xml","form_type":"4"}},{"id":693044,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":25431,"kind":"person","name":"Marshall Tyson Eliot","position":1,"cik":"0001666669","reported_name":"Marshall Tyson Eliot","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL & CORP. 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The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":630398,"source":{"system":"sec-edgar","filing":"0001666669-26-000009","document":"form4-08082026_120843.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000166666926000009/form4-08082026_120843.xml","form_type":"4"}},{"id":739783,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":18482,"kind":"person","name":"Blackford Quentin S.","position":1,"cik":"0001612451","reported_name":"Blackford Quentin S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-12T21:34:58.000Z","date":"2026-06-10","kind":"grant","planned":false,"acquired":true,"shares":32012,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."}],"balance_after":600381,"source":{"system":"sec-edgar","filing":"0001612451-26-000010","document":"form4-06122026_090655.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1612451/000161245126000010/form4-06122026_090655.xml","form_type":"4"}},{"id":739533,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":30790,"kind":"person","name":"Valentine Keith","position":1,"cik":"0001289408","reported_name":"Valentine Keith","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-12T21:30:14.000Z","date":"2026-06-10","kind":"grant","planned":false,"acquired":true,"shares":32012,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."}],"balance_after":264283,"source":{"system":"sec-edgar","filing":"0001289408-26-000004","document":"form4-06122026_050608.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1289408/000128940826000004/form4-06122026_050608.xml","form_type":"4"}},{"id":739391,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":10099,"kind":"person","name":"Pelizzon David R","position":1,"cik":"0001719217","reported_name":"Pelizzon David R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-12T21:30:13.000Z","date":"2026-06-10","kind":"grant","planned":false,"acquired":true,"shares":32012,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."}],"balance_after":378839,"source":{"system":"sec-edgar","filing":"0001719217-26-000002","document":"form4-06122026_050606.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000171921726000002/form4-06122026_050606.xml","form_type":"4"}},{"id":739390,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":38617,"kind":"person","name":"Demski David M","position":1,"cik":"0001555392","reported_name":"Demski David M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-12T21:30:10.000Z","date":"2026-06-10","kind":"grant","planned":false,"acquired":true,"shares":32012,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."}],"balance_after":431635,"source":{"system":"sec-edgar","filing":"0001555392-26-000002","document":"form4-06122026_050604.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000155539226000002/form4-06122026_050604.xml","form_type":"4"}},{"id":739389,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":38616,"kind":"person","name":"Berkowitz Mortimer III","position":1,"cik":"0001364333","reported_name":"Berkowitz Mortimer III","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-12T21:30:08.000Z","date":"2026-06-10","kind":"grant","planned":false,"acquired":true,"shares":32012,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."}],"balance_after":650062,"source":{"system":"sec-edgar","filing":"0001364333-26-000002","document":"form4-06122026_050601.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000136433326000002/form4-06122026_050601.xml","form_type":"4"}},{"id":739456,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":38640,"kind":"person","name":"MCGINNIS KAREN K","position":1,"cik":"0001188264","reported_name":"MCGINNIS KAREN K","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-12T17:54:14.000Z","date":"2026-06-11","kind":"sale","planned":true,"acquired":false,"shares":6050,"price":8.01,"value":48460.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025 to satisfy certain tax withholding obligations of the reporting person resulting from the vesting of restricted stock units."}],"balance_after":94671,"source":{"system":"sec-edgar","filing":"0001188264-26-000005","document":"form4-06122026_090610.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1188264/000118826426000005/form4-06122026_090610.xml","form_type":"4"}},{"id":739455,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":38640,"kind":"person","name":"MCGINNIS KAREN K","position":1,"cik":"0001188264","reported_name":"MCGINNIS KAREN K","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-12T17:54:14.000Z","date":"2026-06-10","kind":"grant","planned":true,"acquired":true,"shares":32012,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365."}],"balance_after":100721,"source":{"system":"sec-edgar","filing":"0001188264-26-000005","document":"form4-06122026_090610.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1188264/000118826426000005/form4-06122026_090610.xml","form_type":"4"}},{"id":784561,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":30790,"kind":"person","name":"Valentine Keith","position":1,"cik":"0001289408","reported_name":"Valentine Keith","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-11T23:00:05.000Z","date":"2026-05-11","kind":"purchase","planned":false,"acquired":true,"shares":35000,"price":7,"value":245000.0,"ownership":{"direct":true},"balance_after":232271,"source":{"system":"sec-edgar","filing":"0001289408-26-000002","document":"form4-05112026_070501.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1289408/000128940826000002/form4-05112026_070501.xml","form_type":"4"}},{"id":784560,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":30790,"kind":"person","name":"Valentine Keith","position":1,"cik":"0001289408","reported_name":"Valentine Keith","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-11T23:00:05.000Z","date":"2026-05-08","kind":"purchase","planned":false,"acquired":true,"shares":43847,"price":7.54,"value":330606.38,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.52 to $7.55, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."}],"balance_after":197271,"source":{"system":"sec-edgar","filing":"0001289408-26-000002","document":"form4-05112026_070501.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1289408/000128940826000002/form4-05112026_070501.xml","form_type":"4"}},{"id":784559,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":30790,"kind":"person","name":"Valentine Keith","position":1,"cik":"0001289408","reported_name":"Valentine Keith","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-11T23:00:05.000Z","date":"2026-05-07","kind":"purchase","planned":false,"acquired":true,"shares":56153,"price":7.49,"value":420585.97,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.48 to $7.50, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."}],"balance_after":153424,"source":{"system":"sec-edgar","filing":"0001289408-26-000002","document":"form4-05112026_070501.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1289408/000128940826000002/form4-05112026_070501.xml","form_type":"4"}},{"id":811475,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":25431,"kind":"person","name":"Marshall Tyson Eliot","position":1,"cik":"0001666669","reported_name":"Marshall Tyson Eliot","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL & CORP. 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The option expires on the tenth anniversary of the grant date."}],"balance_after":0,"derivative":{"exercise_price":2.69,"expiration_date":"2028-07-30","underlying":"Common Stock","underlying_shares":60000},"source":{"system":"sec-edgar","filing":"0001666669-26-000007","document":"form4-04092026_090435.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000166666926000007/form4-04092026_090435.xml","form_type":"4"}},{"id":811474,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":25431,"kind":"person","name":"Marshall Tyson Eliot","position":1,"cik":"0001666669","reported_name":"Marshall Tyson Eliot","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL & CORP. 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The option expires on the tenth anniversary of the grant date."}],"balance_after":0,"derivative":{"exercise_price":3.34,"expiration_date":"2028-02-26","underlying":"Common Stock","underlying_shares":12500},"source":{"system":"sec-edgar","filing":"0001666669-26-000007","document":"form4-04092026_090435.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000166666926000007/form4-04092026_090435.xml","form_type":"4"}},{"id":811473,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":25431,"kind":"person","name":"Marshall Tyson Eliot","position":1,"cik":"0001666669","reported_name":"Marshall Tyson Eliot","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL & CORP. 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The option expires on the tenth anniversary of the grant date."}],"balance_after":0,"derivative":{"exercise_price":1.68,"expiration_date":"2027-07-26","underlying":"Common Stock","underlying_shares":15000},"source":{"system":"sec-edgar","filing":"0001666669-26-000007","document":"form4-04092026_090435.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000166666926000007/form4-04092026_090435.xml","form_type":"4"}},{"id":811472,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":25431,"kind":"person","name":"Marshall Tyson Eliot","position":1,"cik":"0001666669","reported_name":"Marshall Tyson Eliot","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL & CORP. 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The option expires on the tenth anniversary of the grant date."}],"balance_after":0,"derivative":{"exercise_price":1.98,"expiration_date":"2027-04-25","underlying":"Common Stock","underlying_shares":15000},"source":{"system":"sec-edgar","filing":"0001666669-26-000007","document":"form4-04092026_090435.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000166666926000007/form4-04092026_090435.xml","form_type":"4"}},{"id":811471,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":25431,"kind":"person","name":"Marshall Tyson Eliot","position":1,"cik":"0001666669","reported_name":"Marshall Tyson Eliot","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL & CORP. 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The reporting person paid the exercise price on a cashless basis, resulting in the issuer withholding 23,393 of the shares at a price of $11.03 per share to pay the applicable exercise prices for the shares and issuing to the reporting person 79,107 shares."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On April 7, 2026, the reporting person exercised options to purchase 15,000 shares of the issuer's common stock for $1.98 per share, 15,000 shares of the issuer's common stock for $1.68 per share, 12,500 shares of the issuer's common stock for $3.34 per share, and 60,000 shares of the issuer's common stock for $2.69 per share. The reporting person paid the exercise price on a cashless basis, resulting in the issuer withholding 23,393 of the shares at a price of $11.03 per share to pay the applicable exercise prices for the shares and issuing to the reporting person 79,107 shares."}],"balance_after":638566,"source":{"system":"sec-edgar","filing":"0001666669-26-000007","document":"form4-04092026_090435.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000166666926000007/form4-04092026_090435.xml","form_type":"4"}},{"id":811470,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":25431,"kind":"person","name":"Marshall Tyson Eliot","position":1,"cik":"0001666669","reported_name":"Marshall Tyson Eliot","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL & CORP. 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These shares were sold in multiple transactions at prices ranging from $12.21 to $12.64, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":600721,"source":{"system":"sec-edgar","filing":"0001830843-26-000006","document":"form4-03172026_050303.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183084326000006/form4-03172026_050303.xml","form_type":"4"}},{"id":837240,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":59872,"kind":"person","name":"Lish Scott","position":1,"cik":"0001831608","reported_name":"Lish Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2026-03-17T21:30:04.000Z","date":"2026-03-13","kind":"sale","planned":false,"acquired":false,"shares":260535,"price":12.3,"value":3204580.5,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.20 to $12.42, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":815704,"source":{"system":"sec-edgar","filing":"0001831608-26-000004","document":"form4-03172026_050301.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183160826000004/form4-03172026_050301.xml","form_type":"4"}},{"id":843628,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":60948,"kind":"person","name":"Sponsel David","position":1,"cik":"0001772837","reported_name":"Sponsel David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, SALES"}}],"security":"Common Stock","published_at":"2026-03-13T22:00:10.000Z","date":"2026-03-11","kind":"sale","planned":true,"acquired":false,"shares":163452,"price":12.52,"value":2046419.04,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025 to satisfy certain tax withholding obligations of the reporting person resulting from the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.13 to $12.92, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":504932,"source":{"system":"sec-edgar","filing":"0001772837-26-000007","document":"form4-03132026_060301.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000177283726000007/form4-03132026_060301.xml","form_type":"4"}},{"id":850502,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Common Stock","published_at":"2026-03-10T22:00:05.000Z","date":"2026-03-09","kind":"gift","planned":true,"acquired":false,"shares":600,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":1725609,"source":{"system":"sec-edgar","filing":"0001509282-26-000008","document":"form4-03102026_060301.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000008/form4-03102026_060301.xml","form_type":"4"}},{"id":850501,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Common Stock","published_at":"2026-03-10T22:00:05.000Z","date":"2026-03-09","kind":"sale","planned":true,"acquired":false,"shares":82765,"price":12.45,"value":1030424.25,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.31 to $12.77, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":1726209,"source":{"system":"sec-edgar","filing":"0001509282-26-000008","document":"form4-03102026_060301.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000008/form4-03102026_060301.xml","form_type":"4"}},{"id":850500,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Common Stock","published_at":"2026-03-10T22:00:05.000Z","date":"2026-03-06","kind":"sale","planned":true,"acquired":false,"shares":33602,"price":12.22,"value":410616.44,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025, to satisfy certain tax withholding obligations of the reporting person resulting from the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.15 to $12.30, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":1808974,"source":{"system":"sec-edgar","filing":"0001509282-26-000008","document":"form4-03102026_060301.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000008/form4-03102026_060301.xml","form_type":"4"}},{"id":853223,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":59871,"kind":"person","name":"Koning John Todd","position":1,"cik":"0001830843","reported_name":"Koning John Todd","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2026-03-09T19:00:08.000Z","date":"2026-03-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":68910,"price":12.57,"value":866198.7,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld by the issuer to satisfy tax withholding obligations of the reporting person resulting from vesting of restricted stock units."}],"balance_after":680510,"source":{"system":"sec-edgar","filing":"0001830843-26-000004","document":"form4-03092026_030305.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183084326000004/form4-03092026_030305.xml","form_type":"4"}},{"id":853501,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":25431,"kind":"person","name":"Marshall Tyson Eliot","position":1,"cik":"0001666669","reported_name":"Marshall Tyson Eliot","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL & CORP. 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The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":559459,"source":{"system":"sec-edgar","filing":"0001666669-26-000005","document":"form4-03092026_030301.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000166666926000005/form4-03092026_030301.xml","form_type":"4"}},{"id":853328,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":62003,"kind":"person","name":"Miles Patrick","position":1,"cik":"0001289409","reported_name":"Miles Patrick","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2026-03-09T15:00:07.000Z","date":"2026-03-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":219749,"price":12.57,"value":2762244.93,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld by issuer to satisfy tax withholding obligations of reporting person resulting from vesting of restricted stock units."}],"balance_after":5778551,"source":{"system":"sec-edgar","filing":"0001289409-26-000006","document":"form4-03092026_030303.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1289409/000128940926000006/form4-03092026_030303.xml","form_type":"4"}},{"id":877283,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":25431,"kind":"person","name":"Marshall Tyson Eliot","position":1,"cik":"0001666669","reported_name":"Marshall Tyson Eliot","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL & CORP. 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The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 42,459 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"shares","element":"transactionShares","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 42,459 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 42,459 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 42,459 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."}],"balance_after":42459,"derivative":{"underlying":"Common Stock","underlying_shares":42459},"source":{"system":"sec-edgar","filing":"0001666669-26-000002","document":"form4-02272026_090211.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000166666926000002/form4-02272026_090211.xml","form_type":"4"}},{"id":877282,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":25431,"kind":"person","name":"Marshall Tyson Eliot","position":1,"cik":"0001666669","reported_name":"Marshall Tyson Eliot","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL & CORP. 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The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 42,459 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"shares","element":"transactionShares","label":"F5","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 42,459 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 42,459 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 42,459 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."}],"balance_after":42459,"derivative":{"underlying":"Common Stock","underlying_shares":42459},"source":{"system":"sec-edgar","filing":"0001666669-26-000002","document":"form4-02272026_090211.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000166666926000002/form4-02272026_090211.xml","form_type":"4"}},{"id":877281,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":25431,"kind":"person","name":"Marshall Tyson Eliot","position":1,"cik":"0001666669","reported_name":"Marshall Tyson Eliot","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL & CORP. 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The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"kind","element":"transactionCoding","label":"F4","text":"On February 25, 2026, the issuer granted 12,840 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"shares","element":"transactionShares","label":"F4","text":"On February 25, 2026, the issuer granted 12,840 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"On February 25, 2026, the issuer granted 12,840 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."}],"balance_after":648294,"source":{"system":"sec-edgar","filing":"0001666669-26-000002","document":"form4-02272026_090211.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000166666926000002/form4-02272026_090211.xml","form_type":"4"}},{"id":877280,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":25431,"kind":"person","name":"Marshall Tyson Eliot","position":1,"cik":"0001666669","reported_name":"Marshall Tyson Eliot","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL & CORP. SEC."}}],"security":"Common Stock","published_at":"2026-02-28T02:30:17.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":84918,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"security","element":"securityTitle","label":"F3","text":"On February 25, 2026, the issuer awarded 84,918 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."},{"field":"kind","element":"transactionCoding","label":"F3","text":"On February 25, 2026, the issuer awarded 84,918 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."},{"field":"shares","element":"transactionShares","label":"F3","text":"On February 25, 2026, the issuer awarded 84,918 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."}],"balance_after":635454,"source":{"system":"sec-edgar","filing":"0001666669-26-000002","document":"form4-02272026_090211.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000166666926000002/form4-02272026_090211.xml","form_type":"4"}},{"id":877279,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":25431,"kind":"person","name":"Marshall Tyson Eliot","position":1,"cik":"0001666669","reported_name":"Marshall Tyson Eliot","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL & CORP. SEC."}}],"security":"Common Stock","published_at":"2026-02-28T02:30:17.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":205094,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On February 25, 2026, the issuer awarded 205,094 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On February 25, 2026, the issuer awarded 205,094 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"shares","element":"transactionShares","label":"F1","text":"On February 25, 2026, the issuer awarded 205,094 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."}],"balance_after":550536,"source":{"system":"sec-edgar","filing":"0001666669-26-000002","document":"form4-02272026_090211.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000166666926000002/form4-02272026_090211.xml","form_type":"4"}},{"id":876883,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":60948,"kind":"person","name":"Sponsel David","position":1,"cik":"0001772837","reported_name":"Sponsel David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, SALES"}}],"security":"Restricted Stock Units","published_at":"2026-02-28T02:30:15.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":46705,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 46,705 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 46,705 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"shares","element":"transactionShares","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 46,705 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 46,705 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 46,705 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."}],"balance_after":46705,"derivative":{"underlying":"Common Stock","underlying_shares":46705},"source":{"system":"sec-edgar","filing":"0001772837-26-000005","document":"form4-02272026_090209.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000177283726000005/form4-02272026_090209.xml","form_type":"4"}},{"id":876882,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":60948,"kind":"person","name":"Sponsel David","position":1,"cik":"0001772837","reported_name":"Sponsel David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, SALES"}}],"security":"Restricted Stock Units","published_at":"2026-02-28T02:30:15.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":46705,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F5","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 46,705 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 46,705 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"shares","element":"transactionShares","label":"F5","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 46,705 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 46,705 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 46,705 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."}],"balance_after":46705,"derivative":{"underlying":"Common Stock","underlying_shares":46705},"source":{"system":"sec-edgar","filing":"0001772837-26-000005","document":"form4-02272026_090209.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000177283726000005/form4-02272026_090209.xml","form_type":"4"}},{"id":876881,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":60948,"kind":"person","name":"Sponsel David","position":1,"cik":"0001772837","reported_name":"Sponsel David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, SALES"}}],"security":"Common Stock","published_at":"2026-02-28T02:30:15.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":20380,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"security","element":"securityTitle","label":"F4","text":"On February 25, 2026, the issuer granted 20,380 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"kind","element":"transactionCoding","label":"F4","text":"On February 25, 2026, the issuer granted 20,380 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"shares","element":"transactionShares","label":"F4","text":"On February 25, 2026, the issuer granted 20,380 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"On February 25, 2026, the issuer granted 20,380 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."}],"balance_after":668384,"source":{"system":"sec-edgar","filing":"0001772837-26-000005","document":"form4-02272026_090209.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000177283726000005/form4-02272026_090209.xml","form_type":"4"}},{"id":876880,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":60948,"kind":"person","name":"Sponsel David","position":1,"cik":"0001772837","reported_name":"Sponsel David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, SALES"}}],"security":"Common Stock","published_at":"2026-02-28T02:30:15.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":93410,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"security","element":"securityTitle","label":"F3","text":"On February 25, 2026, the issuer awarded 93,410 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."},{"field":"kind","element":"transactionCoding","label":"F3","text":"On February 25, 2026, the issuer awarded 93,410 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."},{"field":"shares","element":"transactionShares","label":"F3","text":"On February 25, 2026, the issuer awarded 93,410 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."}],"balance_after":648004,"source":{"system":"sec-edgar","filing":"0001772837-26-000005","document":"form4-02272026_090209.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000177283726000005/form4-02272026_090209.xml","form_type":"4"}},{"id":876879,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":60948,"kind":"person","name":"Sponsel David","position":1,"cik":"0001772837","reported_name":"Sponsel David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, SALES"}}],"security":"Common Stock","published_at":"2026-02-28T02:30:15.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":205094,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On February 25, 2026, the issuer awarded 205,094 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On February 25, 2026, the issuer awarded 205,094 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"shares","element":"transactionShares","label":"F1","text":"On February 25, 2026, the issuer awarded 205,094 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."}],"balance_after":554594,"source":{"system":"sec-edgar","filing":"0001772837-26-000005","document":"form4-02272026_090209.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000177283726000005/form4-02272026_090209.xml","form_type":"4"}},{"id":876874,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":59871,"kind":"person","name":"Koning John Todd","position":1,"cik":"0001830843","reported_name":"Koning John Todd","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF FINANCIAL OFFICER"}}],"security":"Restricted Stock Units","published_at":"2026-02-28T02:30:11.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":55197,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F7","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 55,197 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F7","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 55,197 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"shares","element":"transactionShares","label":"F7","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 55,197 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 55,197 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 55,197 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."}],"balance_after":55197,"derivative":{"underlying":"Common Stock","underlying_shares":55197},"source":{"system":"sec-edgar","filing":"0001830843-26-000002","document":"form4-02272026_090207.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183084326000002/form4-02272026_090207.xml","form_type":"4"}},{"id":876873,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":59871,"kind":"person","name":"Koning John Todd","position":1,"cik":"0001830843","reported_name":"Koning John Todd","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF FINANCIAL OFFICER"}}],"security":"Restricted Stock Units","published_at":"2026-02-28T02:30:11.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":55197,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 55,197 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 55,197 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"shares","element":"transactionShares","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 55,197 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 55,197 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 55,197 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."}],"balance_after":55197,"derivative":{"underlying":"Common Stock","underlying_shares":55197},"source":{"system":"sec-edgar","filing":"0001830843-26-000002","document":"form4-02272026_090207.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183084326000002/form4-02272026_090207.xml","form_type":"4"}},{"id":876872,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":59871,"kind":"person","name":"Koning John Todd","position":1,"cik":"0001830843","reported_name":"Koning John Todd","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2026-02-28T02:30:11.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":20380,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"security","element":"securityTitle","label":"F5","text":"On February 25, 2026, the issuer granted 20,380 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On February 25, 2026, the issuer granted 20,380 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"shares","element":"transactionShares","label":"F5","text":"On February 25, 2026, the issuer granted 20,380 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"On February 25, 2026, the issuer granted 20,380 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."}],"balance_after":749420,"source":{"system":"sec-edgar","filing":"0001830843-26-000002","document":"form4-02272026_090207.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183084326000002/form4-02272026_090207.xml","form_type":"4"}},{"id":876871,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":59871,"kind":"person","name":"Koning John Todd","position":1,"cik":"0001830843","reported_name":"Koning John Todd","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2026-02-28T02:30:11.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":110394,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"security","element":"securityTitle","label":"F4","text":"On February 25, 2026, the issuer awarded 110,394 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."},{"field":"kind","element":"transactionCoding","label":"F4","text":"On February 25, 2026, the issuer awarded 110,394 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."},{"field":"shares","element":"transactionShares","label":"F4","text":"On February 25, 2026, the issuer awarded 110,394 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."}],"balance_after":729040,"source":{"system":"sec-edgar","filing":"0001830843-26-000002","document":"form4-02272026_090207.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183084326000002/form4-02272026_090207.xml","form_type":"4"}},{"id":876870,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":59871,"kind":"person","name":"Koning John Todd","position":1,"cik":"0001830843","reported_name":"Koning John Todd","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2026-02-28T02:30:11.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":205094,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On February 25, 2026, the issuer awarded 205,094 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On February 25, 2026, the issuer awarded 205,094 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"shares","element":"transactionShares","label":"F1","text":"On February 25, 2026, the issuer awarded 205,094 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Beneficial ownership reflects forfeiture of 32,403 previously reported RSUs for failure to satisfy applicable performance criteria."}],"balance_after":618646,"source":{"system":"sec-edgar","filing":"0001830843-26-000002","document":"form4-02272026_090207.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183084326000002/form4-02272026_090207.xml","form_type":"4"}},{"id":876869,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":59872,"kind":"person","name":"Lish Scott","position":1,"cik":"0001831608","reported_name":"Lish Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Restricted Stock Units","published_at":"2026-02-28T02:30:09.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":63689,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F7","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F7","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"shares","element":"transactionShares","label":"F7","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."}],"balance_after":63689,"derivative":{"underlying":"Common Stock","underlying_shares":63689},"source":{"system":"sec-edgar","filing":"0001831608-26-000002","document":"form4-02272026_090205.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183160826000002/form4-02272026_090205.xml","form_type":"4"}},{"id":876868,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":59872,"kind":"person","name":"Lish Scott","position":1,"cik":"0001831608","reported_name":"Lish Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Restricted Stock Units","published_at":"2026-02-28T02:30:09.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":63689,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"shares","element":"transactionShares","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."}],"balance_after":63689,"derivative":{"underlying":"Common Stock","underlying_shares":63689},"source":{"system":"sec-edgar","filing":"0001831608-26-000002","document":"form4-02272026_090205.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183160826000002/form4-02272026_090205.xml","form_type":"4"}},{"id":876867,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":59872,"kind":"person","name":"Lish Scott","position":1,"cik":"0001831608","reported_name":"Lish Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2026-02-28T02:30:09.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":20992,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"security","element":"securityTitle","label":"F5","text":"On February 25, 2026, the issuer granted 20,992 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On February 25, 2026, the issuer granted 20,992 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"shares","element":"transactionShares","label":"F5","text":"On February 25, 2026, the issuer granted 20,992 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"On February 25, 2026, the issuer granted 20,992 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."}],"balance_after":1076239,"source":{"system":"sec-edgar","filing":"0001831608-26-000002","document":"form4-02272026_090205.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183160826000002/form4-02272026_090205.xml","form_type":"4"}},{"id":876866,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":59872,"kind":"person","name":"Lish Scott","position":1,"cik":"0001831608","reported_name":"Lish Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2026-02-28T02:30:09.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":127378,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"security","element":"securityTitle","label":"F4","text":"On February 25, 2026, the issuer awarded 127,378 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."},{"field":"kind","element":"transactionCoding","label":"F4","text":"On February 25, 2026, the issuer awarded 127,378 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."},{"field":"shares","element":"transactionShares","label":"F4","text":"On February 25, 2026, the issuer awarded 127,378 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."}],"balance_after":1055247,"source":{"system":"sec-edgar","filing":"0001831608-26-000002","document":"form4-02272026_090205.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183160826000002/form4-02272026_090205.xml","form_type":"4"}},{"id":876865,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":59872,"kind":"person","name":"Lish Scott","position":1,"cik":"0001831608","reported_name":"Lish Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2026-02-28T02:30:09.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":311110,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On February 25, 2026, the issuer awarded 311,110 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On February 25, 2026, the issuer awarded 311,110 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"shares","element":"transactionShares","label":"F1","text":"On February 25, 2026, the issuer awarded 311,110 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 368 shares acquired under issuer's employee stock purchase plan on November 14, 2025 and also reflects the forfeiture of 25,041 previously reported RSUs for failure to satisfy applicable performance criteria."}],"balance_after":927869,"source":{"system":"sec-edgar","filing":"0001831608-26-000002","document":"form4-02272026_090205.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183160826000002/form4-02272026_090205.xml","form_type":"4"}},{"id":876864,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Restricted Stock Units","published_at":"2026-02-28T02:30:07.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":63689,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"shares","element":"transactionShares","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."}],"balance_after":63689,"derivative":{"underlying":"Common Stock","underlying_shares":63689},"source":{"system":"sec-edgar","filing":"0001509282-26-000006","document":"form4-02272026_090203.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000006/form4-02272026_090203.xml","form_type":"4"}},{"id":876863,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Restricted Stock Units","published_at":"2026-02-28T02:30:07.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":63689,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F5","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"shares","element":"transactionShares","label":"F5","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 63,689 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."}],"balance_after":63689,"derivative":{"underlying":"Common Stock","underlying_shares":63689},"source":{"system":"sec-edgar","filing":"0001509282-26-000006","document":"form4-02272026_090203.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000006/form4-02272026_090203.xml","form_type":"4"}},{"id":876862,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Common Stock","published_at":"2026-02-28T02:30:07.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":20992,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"security","element":"securityTitle","label":"F4","text":"On February 25, 2026, the issuer granted 20,992 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"kind","element":"transactionCoding","label":"F4","text":"On February 25, 2026, the issuer granted 20,992 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"shares","element":"transactionShares","label":"F4","text":"On February 25, 2026, the issuer granted 20,992 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"On February 25, 2026, the issuer granted 20,992 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."}],"balance_after":1842576,"source":{"system":"sec-edgar","filing":"0001509282-26-000006","document":"form4-02272026_090203.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000006/form4-02272026_090203.xml","form_type":"4"}},{"id":876861,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Common Stock","published_at":"2026-02-28T02:30:07.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":127378,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"security","element":"securityTitle","label":"F3","text":"On February 25, 2026, the issuer awarded 127,378 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."},{"field":"kind","element":"transactionCoding","label":"F3","text":"On February 25, 2026, the issuer awarded 127,378 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."},{"field":"shares","element":"transactionShares","label":"F3","text":"On February 25, 2026, the issuer awarded 127,378 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."}],"balance_after":1821584,"source":{"system":"sec-edgar","filing":"0001509282-26-000006","document":"form4-02272026_090203.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000006/form4-02272026_090203.xml","form_type":"4"}},{"id":876860,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Common Stock","published_at":"2026-02-28T02:30:07.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":311110,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On February 25, 2026, the issuer awarded 311,110 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On February 25, 2026, the issuer awarded 311,110 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"shares","element":"transactionShares","label":"F1","text":"On February 25, 2026, the issuer awarded 311,110 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."}],"balance_after":1694206,"source":{"system":"sec-edgar","filing":"0001509282-26-000006","document":"form4-02272026_090203.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000006/form4-02272026_090203.xml","form_type":"4"}},{"id":877033,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":62003,"kind":"person","name":"Miles Patrick","position":1,"cik":"0001289409","reported_name":"Miles Patrick","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2026-02-27T21:30:05.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":152853,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F7","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 152,853 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F7","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 152,853 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"shares","element":"transactionShares","label":"F7","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 152,853 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 152,853 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 152,853 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."}],"balance_after":152853,"derivative":{"underlying":"Common Stock","underlying_shares":152853},"source":{"system":"sec-edgar","filing":"0001289409-26-000004","document":"form4-02272026_090201.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1289409/000128940926000004/form4-02272026_090201.xml","form_type":"4"}},{"id":877032,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":62003,"kind":"person","name":"Miles Patrick","position":1,"cik":"0001289409","reported_name":"Miles Patrick","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2026-02-27T21:30:05.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":152853,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 152,853 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 152,853 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"shares","element":"transactionShares","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 152,853 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 152,853 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"On February 25, 2026, the issuer granted to the reporting person an award of up to 152,853 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030."}],"balance_after":152853,"derivative":{"underlying":"Common Stock","underlying_shares":152853},"source":{"system":"sec-edgar","filing":"0001289409-26-000004","document":"form4-02272026_090201.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1289409/000128940926000004/form4-02272026_090201.xml","form_type":"4"}},{"id":877031,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":62003,"kind":"person","name":"Miles Patrick","position":1,"cik":"0001289409","reported_name":"Miles Patrick","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2026-02-27T21:30:05.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":48913,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"security","element":"securityTitle","label":"F5","text":"On February 25, 2026, the issuer granted 48,913 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026.  The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On February 25, 2026, the issuer granted 48,913 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026.  The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"shares","element":"transactionShares","label":"F5","text":"On February 25, 2026, the issuer granted 48,913 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026.  The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"On February 25, 2026, the issuer granted 48,913 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026.  The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026."}],"balance_after":5998300,"source":{"system":"sec-edgar","filing":"0001289409-26-000004","document":"form4-02272026_090201.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1289409/000128940926000004/form4-02272026_090201.xml","form_type":"4"}},{"id":877030,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":62003,"kind":"person","name":"Miles Patrick","position":1,"cik":"0001289409","reported_name":"Miles Patrick","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2026-02-27T21:30:05.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":305707,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"security","element":"securityTitle","label":"F4","text":"On February 25, 2026, the issuer awarded 305,707 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."},{"field":"kind","element":"transactionCoding","label":"F4","text":"On February 25, 2026, the issuer awarded 305,707 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."},{"field":"shares","element":"transactionShares","label":"F4","text":"On February 25, 2026, the issuer awarded 305,707 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029."}],"balance_after":5949387,"source":{"system":"sec-edgar","filing":"0001289409-26-000004","document":"form4-02272026_090201.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1289409/000128940926000004/form4-02272026_090201.xml","form_type":"4"}},{"id":877029,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":62003,"kind":"person","name":"Miles Patrick","position":1,"cik":"0001289409","reported_name":"Miles Patrick","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2026-02-27T21:30:05.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":611673,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On February 25, 2026, the issuer awarded 611,673 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"security","element":"securityTitle","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On February 25, 2026, the issuer awarded 611,673 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"shares","element":"transactionShares","label":"F1","text":"On February 25, 2026, the issuer awarded 611,673 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Beneficial ownership reflects forfeiture of 103,391 previously reported RSUs for failure to satisfy applicable performance criteria."}],"balance_after":5643680,"source":{"system":"sec-edgar","filing":"0001289409-26-000004","document":"form4-02272026_090201.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1289409/000128940926000004/form4-02272026_090201.xml","form_type":"4"}},{"id":900465,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Employee Stock Option (right to buy)","published_at":"2026-02-17T23:54:37.000Z","date":"2026-02-12","kind":"exercise","planned":false,"acquired":false,"shares":20969,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option vested 25% on the first anniversary of the grant date and thereafter in 36 equal monthly installments."}],"balance_after":104031,"derivative":{"exercise_price":3.09,"exercise_date":"2018-02-21","expiration_date":"2027-02-21","underlying":"Common Stock","underlying_shares":20969},"source":{"system":"sec-edgar","filing":"0001509282-26-000004","document":"form4-02172026_110234.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000004/form4-02172026_110234.xml","form_type":"4"}},{"id":900464,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Employee Stock Option (right to buy)","published_at":"2026-02-17T23:54:37.000Z","date":"2026-02-12","kind":"exercise","planned":false,"acquired":false,"shares":78249,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option vested 25% on the first anniversary of the grant date and thereafter in 36 equal monthly installments."}],"balance_after":0,"derivative":{"exercise_price":2.69,"exercise_date":"2019-07-30","expiration_date":"2028-07-30","underlying":"Common Stock","underlying_shares":78249},"source":{"system":"sec-edgar","filing":"0001509282-26-000004","document":"form4-02172026_110234.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000004/form4-02172026_110234.xml","form_type":"4"}},{"id":900463,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Employee Stock Option (right to buy)","published_at":"2026-02-17T23:54:37.000Z","date":"2026-02-12","kind":"exercise","planned":false,"acquired":false,"shares":120248,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option vested 25% on the first anniversary of the grant date and thereafter in 36 equal monthly installments."}],"balance_after":0,"derivative":{"exercise_price":1.68,"exercise_date":"2018-07-26","expiration_date":"2027-07-26","underlying":"Common Stock","underlying_shares":120248},"source":{"system":"sec-edgar","filing":"0001509282-26-000004","document":"form4-02172026_110234.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000004/form4-02172026_110234.xml","form_type":"4"}},{"id":900462,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Employee Stock Option (right to buy)","published_at":"2026-02-17T23:54:37.000Z","date":"2026-02-12","kind":"exercise","planned":false,"acquired":false,"shares":31710,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option grant was approved by a committee of the issuer's Board of Directors on February 21, 2017, subject to shareholder approval of an amendment to the issuer's 2016 Equity Incentive Plan to increase the maximum number of shares that may be granted to any one participant during a one-year period to 500,000. The issuer's shareholders approved the amendment on June 15, 2017. The option vested in 36 monthly installments beginning March 21, 2017, except that all vesting attributable to periods prior to June 15, 2017 was deemed to have occurred on June 15, 2017."}],"balance_after":0,"derivative":{"exercise_price":1.93,"exercise_date":"2017-06-15","expiration_date":"2027-06-15","underlying":"Common Stock","underlying_shares":31710},"source":{"system":"sec-edgar","filing":"0001509282-26-000004","document":"form4-02172026_110234.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000004/form4-02172026_110234.xml","form_type":"4"}},{"id":900461,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Common Stock","published_at":"2026-02-17T23:54:37.000Z","date":"2026-02-12","kind":"tax_withholding","planned":false,"acquired":false,"shares":41105,"price":13.1,"value":538475.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On February 12, 2026, the reporting person exercised options to purchase 31,710 shares of the issuer's common stock for $1.93 per share, 120,248 shares of the issuer's common stock for $1.68 per share, 78,249 shares of the issuer's common stock for $2.69 per share, and 20,969 shares of the issuer's common stock for $3.09 per share. The reporting person paid the exercise price on a cashless basis, resulting in the issuer withholding 41,105 of the option shares to pay the exercise price and issuing to the reporting person 210,071 shares."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On February 12, 2026, the reporting person exercised options to purchase 31,710 shares of the issuer's common stock for $1.93 per share, 120,248 shares of the issuer's common stock for $1.68 per share, 78,249 shares of the issuer's common stock for $2.69 per share, and 20,969 shares of the issuer's common stock for $3.09 per share. The reporting person paid the exercise price on a cashless basis, resulting in the issuer withholding 41,105 of the option shares to pay the exercise price and issuing to the reporting person 210,071 shares."}],"balance_after":1383096,"source":{"system":"sec-edgar","filing":"0001509282-26-000004","document":"form4-02172026_110234.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000004/form4-02172026_110234.xml","form_type":"4"}},{"id":900460,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Common Stock","published_at":"2026-02-17T23:54:37.000Z","date":"2026-02-12","kind":"exercise","planned":false,"acquired":true,"shares":20969,"price":3.09,"value":64794.21,"ownership":{"direct":true},"balance_after":1424201,"source":{"system":"sec-edgar","filing":"0001509282-26-000004","document":"form4-02172026_110234.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000004/form4-02172026_110234.xml","form_type":"4"}},{"id":900459,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Common Stock","published_at":"2026-02-17T23:54:37.000Z","date":"2026-02-12","kind":"exercise","planned":false,"acquired":true,"shares":78249,"price":2.69,"value":210489.81,"ownership":{"direct":true},"balance_after":1403232,"source":{"system":"sec-edgar","filing":"0001509282-26-000004","document":"form4-02172026_110234.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000004/form4-02172026_110234.xml","form_type":"4"}},{"id":900458,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Common Stock","published_at":"2026-02-17T23:54:37.000Z","date":"2026-02-12","kind":"exercise","planned":false,"acquired":true,"shares":120248,"price":1.68,"value":202016.64,"ownership":{"direct":true},"balance_after":1324983,"source":{"system":"sec-edgar","filing":"0001509282-26-000004","document":"form4-02172026_110234.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000004/form4-02172026_110234.xml","form_type":"4"}},{"id":900457,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Common Stock","published_at":"2026-02-17T23:54:37.000Z","date":"2026-02-12","kind":"exercise","planned":false,"acquired":true,"shares":31710,"price":1.93,"value":61200.3,"ownership":{"direct":true},"balance_after":1204735,"source":{"system":"sec-edgar","filing":"0001509282-26-000004","document":"form4-02172026_110234.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000004/form4-02172026_110234.xml","form_type":"4"}},{"id":915836,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":60948,"kind":"person","name":"Sponsel David","position":1,"cik":"0001772837","reported_name":"Sponsel David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, SALES"}}],"security":"Common Stock","published_at":"2026-02-06T23:57:15.000Z","date":"2026-02-05","kind":"sale","planned":true,"acquired":false,"shares":60425,"price":13.79,"value":833260.75,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025 to satisfy certain tax withholding obligations of the reporting person resulting from the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.43 to $14.22, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 276 shares and 196 shares acquired under issuer's employee stock purchase plan on May 15, 2025 and November 14, 2025, respectively, and also reflects the forfeiture of 30,314 previously reported restricted stock units for failure to satisfy applicable performance criteria."}],"balance_after":349500,"source":{"system":"sec-edgar","filing":"0001772837-26-000003","document":"form4-02062026_110212.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000177283726000003/form4-02062026_110212.xml","form_type":"4"}},{"id":919173,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":61714,"kind":"person","name":"Hunsaker Craig E","position":1,"cik":"0001509282","reported_name":"Hunsaker Craig E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, PEOPLE & CULTURE"}}],"security":"Common Stock","published_at":"2026-02-05T00:00:06.000Z","date":"2026-02-03","kind":"sale","planned":true,"acquired":false,"shares":37358,"price":14.71,"value":549536.18,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025, to satisfy certain tax withholding obligations of the reporting person resulting from the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.38 to $14.91, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Beneficial ownership reflects forfeiture of 46,175 previously reported restricted stock units for failure to satisfy applicable performance criteria."}],"balance_after":1173025,"source":{"system":"sec-edgar","filing":"0001509282-26-000002","document":"form4-02042026_070202.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000150928226000002/form4-02042026_070202.xml","form_type":"4"}},{"id":946116,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":62003,"kind":"person","name":"Miles Patrick","position":1,"cik":"0001289409","reported_name":"Miles Patrick","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2026-01-06T19:00:06.000Z","date":"2026-01-05","kind":"sale","planned":true,"acquired":false,"shares":100000,"price":21.01,"value":2101000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.46 to $21.35, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":5135398,"source":{"system":"sec-edgar","filing":"0001289409-26-000002","document":"form4-01062026_070101.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1289409/000128940926000002/form4-01062026_070101.xml","form_type":"4"}},{"id":962916,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":59872,"kind":"person","name":"Lish Scott","position":1,"cik":"0001831608","reported_name":"Lish Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2025-12-19T00:30:04.000Z","date":"2025-12-16","kind":"sale","planned":true,"acquired":false,"shares":19900,"price":19.64,"value":390836.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 14, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.34 to $19.98, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":641432,"source":{"system":"sec-edgar","filing":"0001831608-25-000009","document":"form4-12192025_121200.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183160825000009/form4-12192025_121200.xml","form_type":"4"}},{"id":962915,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":10099,"kind":"person","name":"Pelizzon David R","position":1,"cik":"0001719217","reported_name":"Pelizzon David R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-19T00:28:40.000Z","date":"2025-12-16","kind":"sale","planned":false,"acquired":false,"shares":250000,"price":19.66,"value":4915000.0,"ownership":{"direct":false,"nature":"By Squadron Capital LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. 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These shares were sold in multiple transactions at prices ranging from $21.00 to $21.42, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held by Squadron Capital LLC (\"Squadron\"). As one of two members of the Managing Committee of Squadron, the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein. The inclusion of these shares in this report shall not be deemed to be an admission of beneficial ownership for purposes of Section 16 or for any other purpose."}],"balance_after":10673879,"source":{"system":"sec-edgar","filing":"0001719217-25-000007","document":"form4-12102025_071210.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000171921725000007/form4-12102025_071210.xml","form_type":"4"}},{"id":974490,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":10144,"kind":"organization","name":"Squadron Capital LLC","position":1,"cik":"0001719228","reported_name":"Squadron Capital LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-12-11T00:00:11.000Z","date":"2025-12-09","kind":"sale","planned":false,"acquired":false,"shares":28834,"price":21.03,"value":606379.02,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. 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These shares were sold in multiple transactions at prices ranging from $21.00 to $21.42, inclusive. 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These shares were sold in multiple transactions at prices ranging from $21.00 to $21.42 inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held of record by Squadron Capital LLC (\"Squadron\"). 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These shares were sold in multiple transactions at prices ranging from $20.91 to $21.11 inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held by Squadron Capital LLC (\"Squadron\"), a manager-managed limited liability company. As one of two members of the Managing Committee of Squadron, the reporting person may be deemed to be the beneficial owner of these shares. 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These shares were sold in multiple transactions at prices ranging from $21.32 to $21.63, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":661332,"source":{"system":"sec-edgar","filing":"0001831608-25-000007","document":"form4-12092025_071203.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183160825000007/form4-12092025_071203.xml","form_type":"4"}},{"id":976078,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":25431,"kind":"person","name":"Marshall Tyson Eliot","position":1,"cik":"0001666669","reported_name":"Marshall Tyson Eliot","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL & CORP. 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The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":345442,"source":{"system":"sec-edgar","filing":"0001666669-25-000005","document":"form4-12092025_071201.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000166666925000005/form4-12092025_071201.xml","form_type":"4"}},{"id":976077,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":25431,"kind":"person","name":"Marshall Tyson Eliot","position":1,"cik":"0001666669","reported_name":"Marshall Tyson Eliot","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL & CORP. 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The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":358407,"source":{"system":"sec-edgar","filing":"0001666669-25-000005","document":"form4-12092025_071201.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000166666925000005/form4-12092025_071201.xml","form_type":"4"}},{"id":981338,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":62003,"kind":"person","name":"Miles Patrick","position":1,"cik":"0001289409","reported_name":"Miles Patrick","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2025-12-03T19:31:51.000Z","date":"2025-12-01","kind":"sale","planned":true,"acquired":false,"shares":100000,"price":22.11,"value":2211000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.81 to $22.43, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":5264078,"source":{"system":"sec-edgar","filing":"0001289409-25-000007","document":"form4-12042025_121248.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1289409/000128940925000007/form4-12042025_121248.xml","form_type":"4"}},{"id":987259,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":10140,"kind":"person","name":"Pritzker Jennifer N.","position":1,"cik":"0001850165","reported_name":"Pritzker Jennifer N.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-11-26T12:16:29.000Z","date":"2025-11-24","kind":"sale","planned":false,"acquired":false,"shares":250000,"price":20.62,"value":5155000.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.34 to $20.79 inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held by Squadron Capital LLC (\"Squadron\"), a manager-managed limited liability company. As one of two members of the Managing Committee of Squadron, the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of her pecuniary interest therein."}],"balance_after":10895045,"source":{"system":"sec-edgar","filing":"0001193125-25-298154","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1850165/000119312525298154/ownership.xml","form_type":"4"}},{"id":987032,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":10145,"kind":"organization","name":"Squadron Capital Holdings LLC","position":1,"cik":"0001731171","reported_name":"Squadron Capital Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-11-26T12:16:02.000Z","date":"2025-11-24","kind":"sale","planned":false,"acquired":false,"shares":250000,"price":20.62,"value":5155000.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.34 to $20.79 inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held of record by Squadron Capital LLC (\"Squadron\"). Squadron Capital Holdings LLC is the controlling member of Squadron."}],"balance_after":10895045,"source":{"system":"sec-edgar","filing":"0001193125-25-298151","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1731171/000119312525298151/ownership.xml","form_type":"4"}},{"id":988462,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":10099,"kind":"person","name":"Pelizzon David R","position":1,"cik":"0001719217","reported_name":"Pelizzon David R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-11-26T00:00:07.000Z","date":"2025-11-24","kind":"sale","planned":false,"acquired":false,"shares":250000,"price":20.62,"value":5155000.0,"ownership":{"direct":false,"nature":"By Squadron Capital LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.34 to $20.79, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held by Squadron Capital LLC (\"Squadron\"). As one of two members of the Managing Committee of Squadron, the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein. The inclusion of these shares in this report shall not be deemed to be an admission of beneficial ownership for purposes of Section 16 or for any other purpose."}],"balance_after":10895045,"source":{"system":"sec-edgar","filing":"0001719217-25-000005","document":"form4-11252025_071103.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000171921725000005/form4-11252025_071103.xml","form_type":"4"}},{"id":988732,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":10144,"kind":"organization","name":"Squadron Capital LLC","position":1,"cik":"0001719228","reported_name":"Squadron Capital LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-11-26T00:00:05.000Z","date":"2025-11-24","kind":"sale","planned":false,"acquired":false,"shares":250000,"price":20.62,"value":5155000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.34 to $20.79, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":10895045,"source":{"system":"sec-edgar","filing":"0001719228-25-000007","document":"form4-11252025_071101.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1719228/000171922825000007/form4-11252025_071101.xml","form_type":"4"}},{"id":991340,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":25431,"kind":"person","name":"Marshall Tyson Eliot","position":1,"cik":"0001666669","reported_name":"Marshall Tyson Eliot","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL & CORP. 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The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":368331,"source":{"system":"sec-edgar","filing":"0001666669-25-000003","document":"form4-11222025_011104.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000166666925000003/form4-11222025_011104.xml","form_type":"4"}},{"id":991118,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":59872,"kind":"person","name":"Lish Scott","position":1,"cik":"0001831608","reported_name":"Lish Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Employee Stock Option (right to buy)","published_at":"2025-11-22T01:02:01.000Z","date":"2025-11-20","kind":"exercise","planned":false,"acquired":false,"shares":25000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vested 25% on November 7, 2018 (the first anniversary of the grant date) and thereafter in 36 equal monthly installments."}],"balance_after":0,"derivative":{"exercise_price":3.63,"expiration_date":"2027-11-07","underlying":"Common Stock","underlying_shares":25000},"source":{"system":"sec-edgar","filing":"0001831608-25-000005","document":"form4-11222025_011158.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183160825000005/form4-11222025_011158.xml","form_type":"4"}},{"id":991117,"issuer":{"id":4720,"kind":"organization","name":"Alphatec Holdings, Inc.","symbol":"ATEC"},"owners":[{"id":59872,"kind":"person","name":"Lish Scott","position":1,"cik":"0001831608","reported_name":"Lish Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2025-11-22T01:02:01.000Z","date":"2025-11-20","kind":"sale","planned":false,"acquired":false,"shares":25000,"price":19.8,"value":495000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.65 to $19.94, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":672207,"source":{"system":"sec-edgar","filing":"0001831608-25-000005","document":"form4-11222025_011158.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000183160825000005/form4-11222025_011158.xml","form_type":"4"}}],"next_cursor":"2025-11-22T01:02:01.000000Z,991117"}