{"transactions":[{"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":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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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":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. 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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. 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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. 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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":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":1074524,"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":438331,"source":{"system":"sec-edgar","filing":"0001415889-25-021059","document":"form4-08052025_090824.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000141588925021059/form4-08052025_090824.xml","form_type":"4"}},{"id":1074523,"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":446499,"source":{"system":"sec-edgar","filing":"0001415889-25-021059","document":"form4-08052025_090824.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000141588925021059/form4-08052025_090824.xml","form_type":"4"}},{"id":1074522,"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":456423,"source":{"system":"sec-edgar","filing":"0001415889-25-021059","document":"form4-08052025_090824.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000141588925021059/form4-08052025_090824.xml","form_type":"4"}},{"id":1088013,"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":469301,"source":{"system":"sec-edgar","filing":"0001415889-25-019736","document":"form4-07142025_060703.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000141588925019736/form4-07142025_060703.xml","form_type":"4"}},{"id":1179572,"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 will vest in two equal installments on August 5, 2025, and December 5, 2025. The salary to RSU conversion price is based on the closing price of the issuer's common stock as of the market close on March 31, 2025."},{"field":"shares","element":"transactionShares","label":"F1","text":"On April 1, 2025, the reporting person was granted 19,848 restricted stock units (RSUs) in connection with his participation in the issuer's employee salary conversion plan, which was adopted by the Compensation Committee of the Board of Directors on March 31, 2025. Under the terms of the plan, the reporting person is being granted RSUs in lieu of a percentage of the reporting person's cash salary for the pay period between March 31, 2025, and December 21, 2025. Each RSU represents the contingent right to receive one share of the issuer's common stock, subject to stockholder approval of an amendment to the issuer's 2016 Equity Incentive Plan to authorize sufficient additional shares for issuance. The RSUs will vest in two equal installments on August 5, 2025, and December 5, 2025. The salary to RSU conversion price is based on the closing price of the issuer's common stock as of the market close on March 31, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On April 1, 2025, the reporting person was granted 19,848 restricted stock units (RSUs) in connection with his participation in the issuer's employee salary conversion plan, which was adopted by the Compensation Committee of the Board of Directors on March 31, 2025. Under the terms of the plan, the reporting person is being granted RSUs in lieu of a percentage of the reporting person's cash salary for the pay period between March 31, 2025, and December 21, 2025. Each RSU represents the contingent right to receive one share of the issuer's common stock, subject to stockholder approval of an amendment to the issuer's 2016 Equity Incentive Plan to authorize sufficient additional shares for issuance. The RSUs will vest in two equal installments on August 5, 2025, and December 5, 2025. The salary to RSU conversion price is based on the closing price of the issuer's common stock as of the market close on March 31, 2025."}],"balance_after":470801,"source":{"system":"sec-edgar","filing":"0001415889-25-010024","document":"form4-04032025_050408.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000141588925010024/form4-04032025_050408.xml","form_type":"4"}},{"id":1217399,"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 January 24, 2025."},{"field":"kind","element":"transactionCoding","label":"F4","text":"On January 29, 2025, the issuer granted 12,965 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 2024 cash bonus. The grant was approved and adopted by the issuer's compensation committee on January 29, 2025. The RSUs vest December 5, 2025. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on January 24, 2025."},{"field":"shares","element":"transactionShares","label":"F4","text":"On January 29, 2025, the issuer granted 12,965 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 2024 cash bonus. The grant was approved and adopted by the issuer's compensation committee on January 29, 2025. The RSUs vest December 5, 2025. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on January 24, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"On January 29, 2025, the issuer granted 12,965 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 2024 cash bonus. The grant was approved and adopted by the issuer's compensation committee on January 29, 2025. The RSUs vest December 5, 2025. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on January 24, 2025."}],"balance_after":478758,"source":{"system":"sec-edgar","filing":"0001415889-25-002597","document":"form4-02012025_120225.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000141588925002597/form4-02012025_120225.xml","form_type":"4"}},{"id":1289511,"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 in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"shares","element":"transactionShares","label":"F3","text":"On January 29, 2025, the issuer awarded 114,322 RSUs to the reporting person. 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The RSUs vest in three equal installments on each of March 5, 2025, March 5, 2026 and March 5, 2027."},{"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 January 29, 2025, the issuer awarded 105,833 restricted stock units (RSUs) to the reporting person upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2024. The RSUs vest in three equal installments on each of March 5, 2025, March 5, 2026 and March 5, 2027."},{"field":"shares","element":"transactionShares","label":"F1","text":"On January 29, 2025, the issuer awarded 105,833 restricted stock units (RSUs) to the reporting person upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2024. The RSUs vest in three equal installments on each of March 5, 2025, March 5, 2026 and March 5, 2027."}],"balance_after":351471,"source":{"system":"sec-edgar","filing":"0001415889-25-002597","document":"form4-02012025_120225.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000141588925002597/form4-02012025_120225.xml","form_type":"4"}},{"id":1478979,"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":"2024-06-14T20:30:07.000Z","date":"2024-06-12","kind":"sale","planned":false,"acquired":false,"shares":50232,"price":10.88,"value":546524.16,"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 $10.87 to $10.93, 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":245638,"source":{"system":"sec-edgar","filing":"0001415889-24-016924","document":"form4-06142024_040602.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000141588924016924/form4-06142024_040602.xml","form_type":"4"}},{"id":1586770,"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":"2024-03-08T22:30:19.000Z","date":"2024-03-06","kind":"sale","planned":true,"acquired":false,"shares":9225,"price":13.16,"value":121401.0,"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 November 14, 2023, 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 $13.07 to $13.28, 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":295870,"source":{"system":"sec-edgar","filing":"0001415889-24-007391","document":"form4-03082024_050301.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000141588924007391/form4-03082024_050301.xml","form_type":"4"}},{"id":1603111,"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":"2024-03-05T01:45:24.000Z","date":"2024-03-01","kind":"sale","planned":true,"acquired":false,"shares":11825,"price":13.3,"value":157272.5,"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 November 14, 2023, 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 $13.12 to $13.55, 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 sold at each separate price within the ranges set forth in this footnote."}],"balance_after":305095,"source":{"system":"sec-edgar","filing":"0001415889-24-006447","document":"form4-03052024_010317.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000141588924006447/form4-03052024_010317.xml","form_type":"4"}},{"id":1625395,"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":"2024-02-22T23:30:41.000Z","date":"2024-02-21","kind":"grant","planned":false,"acquired":true,"shares":27778,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On February 21, 2024, the issuer awarded 27,778 restricted stock units (RSUs) to the reporting person. The RSUs vest in three equal installments on each of March 5, 2025, March 5, 2026 and March 5, 2027.  Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"shares","element":"transactionShares","label":"F1","text":"On February 21, 2024, the issuer awarded 27,778 restricted stock units (RSUs) to the reporting person. The RSUs vest in three equal installments on each of March 5, 2025, March 5, 2026 and March 5, 2027.  Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On February 21, 2024, the issuer awarded 27,778 restricted stock units (RSUs) to the reporting person. The RSUs vest in three equal installments on each of March 5, 2025, March 5, 2026 and March 5, 2027.  Each RSU represents a contingent right to receive one share of the issuer's common stock."}],"balance_after":316920,"source":{"system":"sec-edgar","filing":"0001415889-24-004926","document":"form4-02222024_060230.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000141588924004926/form4-02222024_060230.xml","form_type":"4"}},{"id":1824835,"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":"2023-07-21T22:54:56.000Z","date":"2023-07-19","kind":"grant","planned":false,"acquired":true,"shares":45000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On July 19, 2023, the issuer awarded 45,000 restricted stock units (RSUs) to the reporting person. The RSUs vest in three equal installments on each of August 5, 2024, August 5, 2025 and August 5, 2026.  Each RSU represents a contingent right to receive one share of issuer's common stock."},{"field":"shares","element":"transactionShares","label":"F1","text":"On July 19, 2023, the issuer awarded 45,000 restricted stock units (RSUs) to the reporting person. The RSUs vest in three equal installments on each of August 5, 2024, August 5, 2025 and August 5, 2026.  Each RSU represents a contingent right to receive one share of issuer's common stock."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On July 19, 2023, the issuer awarded 45,000 restricted stock units (RSUs) to the reporting person. The RSUs vest in three equal installments on each of August 5, 2024, August 5, 2025 and August 5, 2026.  Each RSU represents a contingent right to receive one share of issuer's common stock."}],"balance_after":289142,"source":{"system":"sec-edgar","filing":"0001415889-23-011391","document":"form4-07212023_100753.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1666669/000141588923011391/form4-07212023_100753.xml","form_type":"4"}},{"id":4606959,"issuer":{"id":182456,"kind":"organization","name":"MAD CATZ INTERACTIVE INC","symbol":"MCZ"},"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"}}],"security":"Option to Purchase Common Stock","published_at":"2016-09-09T12:48:12.000Z","date":"2016-09-08","kind":"grant","acquired":true,"shares":250000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The options will vest 25% on the first anniversary of the grant date and thereafter in 36 monthly installments."}],"balance_after":250000,"derivative":{"exercise_price":0.21,"exercise_date":"2017-09-08","expiration_date":"2026-09-08","underlying":"Common Stock","underlying_shares":250000},"source":{"system":"sec-edgar","filing":"0001179110-16-029487","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1088162/000117911016029487/edgar.xml","form_type":"4"}}]}