{"transactions":[{"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":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":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":970899,"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":"2025-12-13T00:17:32.000Z","date":"2025-12-10","kind":"sale","planned":true,"acquired":false,"shares":21106,"price":20.79,"value":438793.74,"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."},{"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 $20.54 to $20.98, 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":439767,"source":{"system":"sec-edgar","filing":"0001772837-25-000010","document":"form4-12132025_121229.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000177283725000010/form4-12132025_121229.xml","form_type":"4"}},{"id":974189,"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":"2025-12-11T00:00:05.000Z","date":"2025-12-08","kind":"sale","planned":false,"acquired":false,"shares":988,"price":21.45,"value":21192.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold to satisfy tax withholding obligations of reporting person resulting from vesting of restricted stock units."}],"balance_after":460873,"source":{"system":"sec-edgar","filing":"0001772837-25-000007","document":"form4-12102025_071202.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000177283725000007/form4-12102025_071202.xml","form_type":"4"}},{"id":1012486,"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":"2025-10-28T19:40:26.000Z","date":"2025-10-24","kind":"sale","planned":true,"acquired":false,"shares":70000,"price":16.18,"value":1132600.0,"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 12, 2025."},{"field":"shares","element":"transactionShares","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 $16.15 to $16.29, 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":461861,"source":{"system":"sec-edgar","filing":"0001772837-25-000005","document":"form4-10282025_071020.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000177283725000005/form4-10282025_071020.xml","form_type":"4"}},{"id":1035460,"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":"2025-09-20T00:08:11.000Z","date":"2025-09-19","kind":"sale","planned":true,"acquired":false,"shares":2555,"price":15.34,"value":39193.7,"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."},{"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 $15.26 to $15.39, 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":531861,"source":{"system":"sec-edgar","filing":"0001772837-25-000003","document":"form4-09202025_120906.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000177283725000003/form4-09202025_120906.xml","form_type":"4"}},{"id":1035459,"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":"2025-09-20T00:08:11.000Z","date":"2025-09-18","kind":"sale","planned":true,"acquired":false,"shares":137445,"price":15.09,"value":2074045.05,"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."}],"balance_after":534416,"source":{"system":"sec-edgar","filing":"0001772837-25-000003","document":"form4-09202025_120906.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000177283725000003/form4-09202025_120906.xml","form_type":"4"}},{"id":1072077,"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":"2025-08-07T23:04:15.000Z","date":"2025-08-06","kind":"tax_withholding","planned":false,"acquired":false,"shares":982,"price":15.34,"value":15063.88,"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":671861,"source":{"system":"sec-edgar","filing":"0001415889-25-021304","document":"form4-08072025_110812.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588925021304/form4-08072025_110812.xml","form_type":"4"}},{"id":1179063,"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":"2025-04-03T21:30:17.000Z","date":"2025-04-01","kind":"grant","planned":false,"acquired":true,"shares":3866,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On April 1, 2025, the reporting person was granted 3,866 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":"shares","element":"transactionShares","label":"F1","text":"On April 1, 2025, the reporting person was granted 3,866 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 3,866 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":672843,"source":{"system":"sec-edgar","filing":"0001415889-25-010026","document":"form4-04032025_050413.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588925010026/form4-04032025_050413.xml","form_type":"4"}},{"id":1214681,"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":"2025-03-10T19:01:36.000Z","date":"2025-03-06","kind":"sale","planned":true,"acquired":false,"shares":33732,"price":10.83,"value":365317.56,"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 September 11, 2024 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 $10.47 to $11.16, 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":668977,"source":{"system":"sec-edgar","filing":"0001415889-25-007493","document":"form4-03102025_070332.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588925007493/form4-03102025_070332.xml","form_type":"4"}},{"id":1242596,"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":"2025-02-27T02:00:06.000Z","date":"2025-02-25","kind":"sale","planned":true,"acquired":false,"shares":19419,"price":10.41,"value":202151.79,"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 September 11, 2024 to satisfy certain tax withholding obligations of the reporting person resulting from the vesting of restricted stock units."},{"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 $10.13 to $10.64, 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":702709,"source":{"system":"sec-edgar","filing":"0001415889-25-005799","document":"form4-02262025_090201.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588925005799/form4-02262025_090201.xml","form_type":"4"}},{"id":1242595,"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":"2025-02-27T02:00:06.000Z","date":"2025-02-24","kind":"sale","planned":true,"acquired":false,"shares":12946,"price":10.73,"value":138910.58,"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 September 11, 2024 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 $10.47 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":722128,"source":{"system":"sec-edgar","filing":"0001415889-25-005799","document":"form4-02262025_090201.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588925005799/form4-02262025_090201.xml","form_type":"4"}},{"id":1284071,"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":"2025-02-04T23:54:42.000Z","date":"2025-02-03","kind":"sale","planned":true,"acquired":false,"shares":36256,"price":11.42,"value":414043.52,"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 September 11, 2024 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 $11.28 to $11.58, 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":735074,"source":{"system":"sec-edgar","filing":"0001415889-25-003036","document":"form4-02042025_110237.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588925003036/form4-02042025_110237.xml","form_type":"4"}},{"id":1289264,"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":"2025-02-01T00:32:37.000Z","date":"2025-01-29","kind":"grant","planned":false,"acquired":true,"shares":21106,"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 January 29, 2025, the issuer granted 21,106 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":"kind","element":"transactionCoding","label":"F4","text":"On January 29, 2025, the issuer granted 21,106 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 21,106 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 21,106 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":771330,"source":{"system":"sec-edgar","filing":"0001415889-25-002595","document":"form4-02012025_120233.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588925002595/form4-02012025_120233.xml","form_type":"4"}},{"id":1289263,"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":"2025-02-01T00:32:37.000Z","date":"2025-01-29","kind":"grant","planned":false,"acquired":true,"shares":114322,"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 January 29, 2025, the issuer awarded 114,322 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."},{"field":"kind","element":"transactionCoding","label":"F3","text":"On January 29, 2025, the issuer awarded 114,322 RSUs to the reporting person. 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. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028."}],"balance_after":750224,"source":{"system":"sec-edgar","filing":"0001415889-25-002595","document":"form4-02012025_120233.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588925002595/form4-02012025_120233.xml","form_type":"4"}},{"id":1289262,"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":"2025-02-01T00:32:37.000Z","date":"2025-01-29","kind":"grant","planned":false,"acquired":true,"shares":133591,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On January 29, 2025, the issuer awarded 133,591 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":"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 133,591 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 133,591 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":635902,"source":{"system":"sec-edgar","filing":"0001415889-25-002595","document":"form4-02012025_120233.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588925002595/form4-02012025_120233.xml","form_type":"4"}},{"id":1303234,"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":"2025-01-14T22:00:08.000Z","date":"2025-01-13","kind":"sale","planned":true,"acquired":false,"shares":58283,"price":10.71,"value":624210.93,"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 September 11, 2024."},{"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 $10.01 to $11.23, 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":502311,"source":{"system":"sec-edgar","filing":"0001415889-25-001441","document":"form4-01142025_050101.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588925001441/form4-01142025_050101.xml","form_type":"4"}},{"id":1303233,"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":"2025-01-14T22:00:08.000Z","date":"2025-01-10","kind":"sale","planned":true,"acquired":false,"shares":238,"price":10,"value":2380.0,"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 September 11, 2024."}],"balance_after":560594,"source":{"system":"sec-edgar","filing":"0001415889-25-001441","document":"form4-01142025_050101.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588925001441/form4-01142025_050101.xml","form_type":"4"}},{"id":1332091,"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":"2024-12-13T21:39:22.000Z","date":"2024-12-11","kind":"sale","planned":true,"acquired":false,"shares":62018,"price":9.69,"value":600954.42,"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 September 11, 2024."},{"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 $9.51 to $9.79, 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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 216 shares and 338 shares of the issuer's common stock acquired under the issuer's employee stock purchase plan on May 15, 2024 and November 15, 2024, respectively."}],"balance_after":560832,"source":{"system":"sec-edgar","filing":"0001415889-24-029319","document":"form4-12132024_091218.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588924029319/form4-12132024_091218.xml","form_type":"4"}},{"id":1609660,"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":"2024-02-29T23:51:29.000Z","date":"2024-02-27","kind":"sale","planned":true,"acquired":false,"shares":32365,"price":15.19,"value":491624.35,"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 September 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 $14.94 to $15.35, 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":622296,"source":{"system":"sec-edgar","filing":"0001415889-24-005992","document":"form4-02292024_110218.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588924005992/form4-02292024_110218.xml","form_type":"4"}},{"id":1624950,"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":"2024-02-22T23:31:11.000Z","date":"2024-02-21","kind":"sale","planned":true,"acquired":false,"shares":17820,"price":15.34,"value":273358.8,"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 September 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":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.13 to $15.43, 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":654661,"source":{"system":"sec-edgar","filing":"0001415889-24-004923","document":"form4-02222024_060215.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588924004923/form4-02222024_060215.xml","form_type":"4"}},{"id":1624949,"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":"2024-02-22T23:31:11.000Z","date":"2024-02-21","kind":"grant","planned":true,"acquired":true,"shares":35063,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On February 21, 2024, the issuer awarded 35,063 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 35,063 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 35,063 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":672481,"source":{"system":"sec-edgar","filing":"0001415889-24-004923","document":"form4-02222024_060215.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588924004923/form4-02222024_060215.xml","form_type":"4"}},{"id":1640714,"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":"2024-02-15T22:49:24.000Z","date":"2024-02-14","kind":"sale","planned":true,"acquired":false,"shares":2500,"price":16.16,"value":40400.0,"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 September 14, 2023, to satisfy certain tax withholding obligations of the reporting person resulting from the vesting of restricted stock units."}],"balance_after":637418,"source":{"system":"sec-edgar","filing":"0001415889-24-003973","document":"form4-02152024_100215.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588924003973/form4-02152024_100215.xml","form_type":"4"}},{"id":1658381,"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":"2024-02-05T23:48:06.000Z","date":"2024-02-02","kind":"sale","planned":true,"acquired":false,"shares":36620,"price":16.47,"value":603131.4,"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 September 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":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.28 to $16.79, 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":639918,"source":{"system":"sec-edgar","filing":"0001415889-24-002693","document":"form4-02052024_110257.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588924002693/form4-02052024_110257.xml","form_type":"4"}},{"id":1658380,"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":"2024-02-05T23:48:06.000Z","date":"2024-02-01","kind":"grant","planned":true,"acquired":true,"shares":121258,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On February 1, 2024, the issuer awarded 121,258 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, 2023. The RSUs vest in three equal installments on each of February 1, 2024, February 1, 2025 and February 1, 2026. 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 1, 2024, the issuer awarded 121,258 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, 2023. The RSUs vest in three equal installments on each of February 1, 2024, February 1, 2025 and February 1, 2026. 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 1, 2024, the issuer awarded 121,258 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, 2023. The RSUs vest in three equal installments on each of February 1, 2024, February 1, 2025 and February 1, 2026. 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 1, 2024, the issuer awarded 121,258 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, 2023. The RSUs vest in three equal installments on each of February 1, 2024, February 1, 2025 and February 1, 2026. Each RSU represents a contingent right to receive one share of the issuer's common stock."}],"balance_after":676538,"source":{"system":"sec-edgar","filing":"0001415889-24-002693","document":"form4-02052024_110257.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588924002693/form4-02052024_110257.xml","form_type":"4"}},{"id":1677618,"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":"2024-01-17T21:30:30.000Z","date":"2024-01-16","kind":"sale","planned":true,"acquired":false,"shares":2500,"price":15,"value":37500.0,"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 September 14, 2023."}],"balance_after":555280,"source":{"system":"sec-edgar","filing":"0001415889-24-001297","document":"form4-01172024_040108.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588924001297/form4-01172024_040108.xml","form_type":"4"}},{"id":1700001,"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":"2023-12-27T00:25:50.000Z","date":"2023-12-21","kind":"sale","planned":true,"acquired":false,"shares":2500,"price":15,"value":37500.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","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 September 14, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 279 shares and 161 shares acquired under issuer's employee stock purchase plan on June 20, 2023 and November 15, 2023, respectively."}],"balance_after":557780,"source":{"system":"sec-edgar","filing":"0001415889-23-016946","document":"form4-12272023_121246.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588923016946/form4-12272023_121246.xml","form_type":"4"}},{"id":1849056,"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":"2023-06-20T16:35:40.000Z","date":"2023-06-15","kind":"sale","planned":true,"acquired":false,"shares":55577,"price":16.17,"value":898680.09,"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 16, 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 $15.91 to $16.48, 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":559840,"source":{"system":"sec-edgar","filing":"0001415889-23-009981","document":"form4-06202023_040637.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588923009981/form4-06202023_040637.xml","form_type":"4"}},{"id":1891120,"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":"2023-05-16T23:49:15.000Z","date":"2023-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":68174,"price":15.59,"value":1062832.66,"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":615417,"source":{"system":"sec-edgar","filing":"0001415889-23-008136","document":"form4-05162023_110507.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588923008136/form4-05162023_110507.xml","form_type":"4"}},{"id":1912105,"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":"2023-04-27T15:53:21.000Z","date":"2023-04-26","kind":"tax_withholding","planned":false,"acquired":false,"shares":35590,"price":16.15,"value":574778.5,"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":683591,"source":{"system":"sec-edgar","filing":"0001415889-23-006953","document":"form4-04272023_030416.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588923006953/form4-04272023_030416.xml","form_type":"4"}},{"id":1962817,"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":"2023-03-08T23:39:23.000Z","date":"2023-03-06","kind":"sale","acquired":false,"shares":16823,"price":15.82,"value":266139.86,"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 September 13, 2022."},{"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 $15.55 to $16.09, 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":719181,"source":{"system":"sec-edgar","filing":"0001415889-23-004539","document":"form4-03082023_110318.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588923004539/form4-03082023_110318.xml","form_type":"4"}},{"id":2032417,"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":"2023-02-04T01:00:30.000Z","date":"2023-02-01","kind":"grant","acquired":true,"shares":30314,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each restricted stock unit (RSU) represents a contingent right to receive one share of the issuer's common stock."},{"field":"shares","element":"transactionShares","label":"F4","text":"On February 1, 2023, the issuer granted to the reporting person 30,314 RSUs, subject to stockholder approval of an amendment to issuer's 2016 Equity Incentive Plan to increase the number of shares authorized for issuance under the plan by an amount sufficient to cover such grant. The RSUs vest on the third anniversary of the grant date; provided, however, that no portion of such RSUs shall vest unless the publicly-traded stock price for the issuer's common stock at the close of the market on such third anniversary date is equal to or greater than $24 per share (representing a 81% increase in the price per share as of the grant date)."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"On February 1, 2023, the issuer granted to the reporting person 30,314 RSUs, subject to stockholder approval of an amendment to issuer's 2016 Equity Incentive Plan to increase the number of shares authorized for issuance under the plan by an amount sufficient to cover such grant. The RSUs vest on the third anniversary of the grant date; provided, however, that no portion of such RSUs shall vest unless the publicly-traded stock price for the issuer's common stock at the close of the market on such third anniversary date is equal to or greater than $24 per share (representing a 81% increase in the price per share as of the grant date)."}],"balance_after":736004,"source":{"system":"sec-edgar","filing":"0001415889-23-001976","document":"form4-02032023_080218.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588923001976/form4-02032023_080218.xml","form_type":"4"}},{"id":2032416,"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":"2023-02-04T01:00:30.000Z","date":"2023-02-01","kind":"grant","acquired":true,"shares":60629,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each restricted stock unit (RSU) represents a contingent right to receive one share of the issuer's common stock."},{"field":"shares","element":"transactionShares","label":"F3","text":"On February 1, 2023, the issuer granted to the reporting person 60,629 RSUs, subject to stockholder approval of an amendment to issuer's 2016 Equity Incentive Plan to increase the number of shares authorized for issuance under the plan by an amount sufficient to cover such grant. The RSUs vest in three equal installments on each of the first three anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On February 1, 2023, the issuer granted to the reporting person 60,629 RSUs, subject to stockholder approval of an amendment to issuer's 2016 Equity Incentive Plan to increase the number of shares authorized for issuance under the plan by an amount sufficient to cover such grant. The RSUs vest in three equal installments on each of the first three anniversaries of the grant date."}],"balance_after":705690,"source":{"system":"sec-edgar","filing":"0001415889-23-001976","document":"form4-02032023_080218.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588923001976/form4-02032023_080218.xml","form_type":"4"}},{"id":2032415,"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":"2023-02-04T01:00:30.000Z","date":"2023-02-01","kind":"grant","acquired":true,"shares":98078,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each restricted stock unit (RSU) represents a contingent right to receive one share of the issuer's common stock."},{"field":"shares","element":"transactionShares","label":"F2","text":"On February 1, 2023, the issuer awarded 98,078 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, 2022. The RSUs vest in three equal installments on each of February 24, 2023, February 24, 2024 and February 24, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On February 1, 2023, the issuer awarded 98,078 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, 2022. The RSUs vest in three equal installments on each of February 24, 2023, February 24, 2024 and February 24, 2025."}],"balance_after":645061,"source":{"system":"sec-edgar","filing":"0001415889-23-001976","document":"form4-02032023_080218.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588923001976/form4-02032023_080218.xml","form_type":"4"}},{"id":2057316,"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":"2023-01-10T20:36:51.000Z","date":"2023-01-09","kind":"sale","acquired":false,"shares":10000,"price":11.99,"value":119900.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","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 September 13, 2022."},{"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 $11.57 to $12.60, 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":546983,"source":{"system":"sec-edgar","filing":"0001415889-23-000716","document":"form4-01102023_080142.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588923000716/form4-01102023_080142.xml","form_type":"4"}},{"id":2095732,"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":"2022-12-05T23:17:36.000Z","date":"2022-12-05","kind":"sale","acquired":false,"shares":10000,"price":9.88,"value":98800.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","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 September 13, 2022."},{"field":"shares","element":"transactionShares","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 $9.73 to $10.16, 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 293 shares acquired under the issuer's employee stock purchase plan on November 15, 2022."}],"balance_after":556983,"source":{"system":"sec-edgar","filing":"0001415889-22-012080","document":"form4-12052022_111222.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000141588922012080/form4-12052022_111222.xml","form_type":"4"}},{"id":2120960,"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":"2022-11-09T17:57:19.000Z","date":"2022-11-07","kind":"sale","acquired":false,"shares":10000,"price":9.25,"value":92500.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","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 September 13, 2022."},{"field":"shares","element":"transactionShares","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 $9.20 to $9.31, inclusive. 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The RSUs vest in three equal installments on each of the first three anniversaries of the grant date."},{"field":"security","element":"securityTitle","label":"F3","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"shares","element":"transactionShares","label":"F2","text":"On February 24, 2022, the issuer granted to the reporting person 65,385 RSUs. The RSUs vest in three equal installments on each of the first three anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On February 24, 2022, the issuer granted to the reporting person 65,385 RSUs. The RSUs vest in three equal installments on each of the first three anniversaries of the grant date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On February 24, 2022, the issuer granted to the reporting person 65,385 RSUs. The RSUs vest in three equal installments on each of the first three anniversaries of the grant date."}],"balance_after":657150,"source":{"system":"sec-edgar","filing":"0001179110-22-001696","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000117911022001696/edgar.xml","form_type":"4"}},{"id":2368598,"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":"2022-02-28T21:14:19.000Z","date":"2022-02-24","kind":"grant","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On February 24, 2022, the issuer awarded 50,000 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, 2021. The RSUs vest in three equal installments on each of February 24, 2022, February 18, 2023 and February 18, 2024."},{"field":"security","element":"securityTitle","label":"F3","text":"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 24, 2022, the issuer awarded 50,000 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, 2021. The RSUs vest in three equal installments on each of February 24, 2022, February 18, 2023 and February 18, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On February 24, 2022, the issuer awarded 50,000 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, 2021. The RSUs vest in three equal installments on each of February 24, 2022, February 18, 2023 and February 18, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On February 24, 2022, the issuer awarded 50,000 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, 2021. The RSUs vest in three equal installments on each of February 24, 2022, February 18, 2023 and February 18, 2024."}],"balance_after":591765,"source":{"system":"sec-edgar","filing":"0001179110-22-001696","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000117911022001696/edgar.xml","form_type":"4"}},{"id":2512465,"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":"2021-11-16T01:26:52.000Z","date":"2021-11-12","kind":"sale","acquired":false,"shares":9847,"price":11.56,"value":113831.32,"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 $11.55 to $11.58, 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":"F2","text":"Includes 1,014 shares acquired under the issuer's employee stock purchase plan on November 15, 2021."}],"balance_after":541765,"source":{"system":"sec-edgar","filing":"0001179110-21-010141","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000117911021010141/edgar.xml","form_type":"4"}},{"id":2609825,"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 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These shares were sold in multiple transactions at prices ranging from $15.76 to $16.10, 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":598184,"source":{"system":"sec-edgar","filing":"0001179110-21-004879","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000117911021004879/edgar.xml","form_type":"4"}},{"id":2729645,"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":"2021-05-05T00:10:19.000Z","date":"2021-05-03","kind":"exercise","acquired":true,"shares":12813,"price":3.17,"value":40617.21,"ownership":{"direct":true},"balance_after":628184,"source":{"system":"sec-edgar","filing":"0001179110-21-004879","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000117911021004879/edgar.xml","form_type":"4"}},{"id":2729644,"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":"2021-05-05T00:10:19.000Z","date":"2021-05-03","kind":"exercise","acquired":true,"shares":17187,"price":3.86,"value":66341.82,"ownership":{"direct":true},"balance_after":615371,"source":{"system":"sec-edgar","filing":"0001179110-21-004879","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000117911021004879/edgar.xml","form_type":"4"}},{"id":2737029,"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":"2021-04-28T13:52:12.000Z","date":"2021-04-26","kind":"sale","acquired":false,"shares":14572,"price":16.63,"value":242332.36,"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 16, 2021."},{"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 $16.42 to $16.84, 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 sold at each separate price within the ranges set forth in this footnote."}],"balance_after":598184,"source":{"system":"sec-edgar","filing":"0001179110-21-004643","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000117911021004643/edgar.xml","form_type":"4"}},{"id":2842841,"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":"2021-02-23T01:04:32.000Z","date":"2021-02-18","kind":"grant","acquired":false,"shares":40000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On February 18, 2021, issuer granted to the reporting person 40,000 restricted stock units (RSUs). The RSUs vest in three equal installments on each of the first three anniversaries of the grant date. 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 18, 2021, issuer granted to the reporting person 40,000 restricted stock units (RSUs). The RSUs vest in three equal installments on each of the first three anniversaries of the grant date. Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On February 18, 2021, issuer granted to the reporting person 40,000 restricted stock units (RSUs). The RSUs vest in three equal installments on each of the first three anniversaries of the grant date. Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 482 and 434 shares acquired under the issuer's employee stock purchase plan on May 15, 2020 and November 13, 2020, respectively."}],"balance_after":612756,"source":{"system":"sec-edgar","filing":"0001179110-21-002081","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000117911021002081/edgar.xml","form_type":"4"}},{"id":3006921,"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":"2020-10-14T18:03:01.000Z","date":"2020-10-12","kind":"sale","acquired":false,"shares":89999,"price":9.47,"value":852290.53,"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 September 10, 2020."},{"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 $9.25 to $9.67, 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":571840,"source":{"system":"sec-edgar","filing":"0001179110-20-010442","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000117911020010442/edgar.xml","form_type":"4"}},{"id":3170033,"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":"2020-04-25T01:28:16.000Z","date":"2020-04-22","kind":"grant","acquired":true,"shares":216422,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"On April 22, 2020, issuer granted to the reporting person 216,422 restricted stock units (RSUs), subject to receipt of required approval of an amendment to issuer's 2016 Equity Incentive Plan to increase the number of shares authorized for issuance under the plan by at least such number as is necessary to vest all of the awards granted on April 22, 2020. The RSUs vest in three equal installments on each of the first three anniversaries of the grant date; provided, however, that the vesting of 50% of these RSUs is subject to the additional condition that the publicly-traded stock price for the issuer's common stock reaches a 30-day average trading price equal to or above $7.52 per share during the first three years following the grant date. Should the publicly-traded stock price for the issuer's common stock reach a 30-day average trading price at or above $7.52 per share at any time during such three year period, this pricing condition will be satisfied and will terminate."},{"field":"date","element":"transactionDate","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"shares","element":"transactionShares","label":"F1","text":"On April 22, 2020, issuer granted to the reporting person 216,422 restricted stock units (RSUs), subject to receipt of required approval of an amendment to issuer's 2016 Equity Incentive Plan to increase the number of shares authorized for issuance under the plan by at least such number as is necessary to vest all of the awards granted on April 22, 2020. The RSUs vest in three equal installments on each of the first three anniversaries of the grant date; provided, however, that the vesting of 50% of these RSUs is subject to the additional condition that the publicly-traded stock price for the issuer's common stock reaches a 30-day average trading price equal to or above $7.52 per share during the first three years following the grant date. Should the publicly-traded stock price for the issuer's common stock reach a 30-day average trading price at or above $7.52 per share at any time during such three year period, this pricing condition will be satisfied and will terminate."},{"field":"shares","element":"transactionShares","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On April 22, 2020, issuer granted to the reporting person 216,422 restricted stock units (RSUs), subject to receipt of required approval of an amendment to issuer's 2016 Equity Incentive Plan to increase the number of shares authorized for issuance under the plan by at least such number as is necessary to vest all of the awards granted on April 22, 2020. The RSUs vest in three equal installments on each of the first three anniversaries of the grant date; provided, however, that the vesting of 50% of these RSUs is subject to the additional condition that the publicly-traded stock price for the issuer's common stock reaches a 30-day average trading price equal to or above $7.52 per share during the first three years following the grant date. Should the publicly-traded stock price for the issuer's common stock reach a 30-day average trading price at or above $7.52 per share at any time during such three year period, this pricing condition will be satisfied and will terminate."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock."}],"balance_after":661839,"source":{"system":"sec-edgar","filing":"0001179110-20-005124","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000117911020005124/edgar.xml","form_type":"4"}},{"id":3179566,"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":"2020-04-08T21:21:24.000Z","date":"2020-04-06","kind":"grant","acquired":true,"shares":2398,"price":3.93,"value":9424.14,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"On April 6, 2020, the restricted stock units (RSUs) were granted to the reporting person in connection with the reporting person's election to participate in the issuer's employee salary conversion plan, which was adopted by the Compensation Committee of the issuer's board of directors on April 1, 2020 in response to the novel coronavirus (COVID-19) and the financial impact on the issuer resulting therefrom. Under the terms of the plan, the reporting person is being granted RSUs in lieu of a percentage of the reporting person's cash compensation for the period between April 6, 2020 and July 10, 2020."},{"field":"date","element":"transactionDate","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock. The RSUs vest in full on July 10, 2020."},{"field":"shares","element":"transactionShares","label":"F1","text":"On April 6, 2020, the restricted stock units (RSUs) were granted to the reporting person in connection with the reporting person's election to participate in the issuer's employee salary conversion plan, which was adopted by the Compensation Committee of the issuer's board of directors on April 1, 2020 in response to the novel coronavirus (COVID-19) and the financial impact on the issuer resulting therefrom. Under the terms of the plan, the reporting person is being granted RSUs in lieu of a percentage of the reporting person's cash compensation for the period between April 6, 2020 and July 10, 2020."},{"field":"shares","element":"transactionShares","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock. The RSUs vest in full on July 10, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The conversion price (cash for equity) is based on a 30-day volume weighted average price of the issuer's common stock as of close of market on Friday, April 3, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On April 6, 2020, the restricted stock units (RSUs) were granted to the reporting person in connection with the reporting person's election to participate in the issuer's employee salary conversion plan, which was adopted by the Compensation Committee of the issuer's board of directors on April 1, 2020 in response to the novel coronavirus (COVID-19) and the financial impact on the issuer resulting therefrom. Under the terms of the plan, the reporting person is being granted RSUs in lieu of a percentage of the reporting person's cash compensation for the period between April 6, 2020 and July 10, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Each RSU represents a contingent right to receive one share of the issuer's common stock. The RSUs vest in full on July 10, 2020."}],"balance_after":445417,"source":{"system":"sec-edgar","filing":"0001179110-20-004804","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000117911020004804/edgar.xml","form_type":"4"}},{"id":3213094,"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":"2020-03-12T21:40:05.000Z","date":"2020-03-11","kind":"purchase","acquired":true,"shares":11000,"price":4.51,"value":49610.0,"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 $4.49 to $4.52, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 463 shares acquired under the issuer's employee stock purchase plan on November 15, 2019."}],"balance_after":443019,"source":{"system":"sec-edgar","filing":"0001179110-20-003584","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000117911020003584/edgar.xml","form_type":"4"}},{"id":3525646,"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":"2019-05-16T00:12:54.000Z","date":"2019-05-13","kind":"grant","acquired":true,"shares":68750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F2","text":"On May 13, 2019, issuer granted to the reporting person 68,750 restricted stock units, subject to stockholder approval of an amendment to issuer's 2016 Equity Incentive Plan to increase the number of shares authorized for issuance under the plan by 4,000,000 shares. The restricted stock units vest on the fourth anniversary of grant date; provided, however, that no portion of such restricted stock units shall vest unless the publicly-traded stock price for the issuer's common stock at the close of the market on such fourth anniversary date is equal to or greater than $6.18 per share (representing a 50% increase in the price per share as of the grant date)."},{"field":"shares","element":"transactionShares","label":"F2","text":"On May 13, 2019, issuer granted to the reporting person 68,750 restricted stock units, subject to stockholder approval of an amendment to issuer's 2016 Equity Incentive Plan to increase the number of shares authorized for issuance under the plan by 4,000,000 shares. The restricted stock units vest on the fourth anniversary of grant date; provided, however, that no portion of such restricted stock units shall vest unless the publicly-traded stock price for the issuer's common stock at the close of the market on such fourth anniversary date is equal to or greater than $6.18 per share (representing a 50% increase in the price per share as of the grant date)."},{"field":"shares","element":"transactionShares","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On May 13, 2019, issuer granted to the reporting person 68,750 restricted stock units, subject to stockholder approval of an amendment to issuer's 2016 Equity Incentive Plan to increase the number of shares authorized for issuance under the plan by 4,000,000 shares. The restricted stock units vest on the fourth anniversary of grant date; provided, however, that no portion of such restricted stock units shall vest unless the publicly-traded stock price for the issuer's common stock at the close of the market on such fourth anniversary date is equal to or greater than $6.18 per share (representing a 50% increase in the price per share as of the grant date)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 4,056 shares acquired under the issuer's employee stock purchase plan on May 15, 2019."}],"balance_after":431556,"source":{"system":"sec-edgar","filing":"0001179110-19-006129","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000117911019006129/edgar.xml","form_type":"4"}},{"id":3525645,"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":"2019-05-16T00:12:54.000Z","date":"2019-05-13","kind":"grant","acquired":true,"shares":275000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"On May 13, 2019, issuer granted to the reporting person 275,000 restricted stock units, subject to stockholder approval of an amendment to issuer's 2016 Equity Incentive Plan to increase the number of shares authorized for issuance under the plan by 4,000,000 shares. The restricted stock units vest in four equal installments on each of the first four anniversaries of the grant date; provided, however, that no portion of the restricted stock units shall vest at any time during the first four years following the grant date unless and until the publicly-traded stock price for the issuer's common stock reaches a 30-day average trading price equal to or above $5.36 per share (representing a 30% increase in the price per share as of the grant date). Should the publicly traded stock price for the issuer's common stock reach a 30-day average trading price at or above $5.36 per share, this pricing condition on the vesting of the restricted stock units shall be satisfied, and shall terminate."},{"field":"shares","element":"transactionShares","label":"F1","text":"On May 13, 2019, issuer granted to the reporting person 275,000 restricted stock units, subject to stockholder approval of an amendment to issuer's 2016 Equity Incentive Plan to increase the number of shares authorized for issuance under the plan by 4,000,000 shares. The restricted stock units vest in four equal installments on each of the first four anniversaries of the grant date; provided, however, that no portion of the restricted stock units shall vest at any time during the first four years following the grant date unless and until the publicly-traded stock price for the issuer's common stock reaches a 30-day average trading price equal to or above $5.36 per share (representing a 30% increase in the price per share as of the grant date). Should the publicly traded stock price for the issuer's common stock reach a 30-day average trading price at or above $5.36 per share, this pricing condition on the vesting of the restricted stock units shall be satisfied, and shall terminate."},{"field":"shares","element":"transactionShares","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On May 13, 2019, issuer granted to the reporting person 275,000 restricted stock units, subject to stockholder approval of an amendment to issuer's 2016 Equity Incentive Plan to increase the number of shares authorized for issuance under the plan by 4,000,000 shares. The restricted stock units vest in four equal installments on each of the first four anniversaries of the grant date; provided, however, that no portion of the restricted stock units shall vest at any time during the first four years following the grant date unless and until the publicly-traded stock price for the issuer's common stock reaches a 30-day average trading price equal to or above $5.36 per share (representing a 30% increase in the price per share as of the grant date). Should the publicly traded stock price for the issuer's common stock reach a 30-day average trading price at or above $5.36 per share, this pricing condition on the vesting of the restricted stock units shall be satisfied, and shall terminate."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of issuer's common stock."}],"balance_after":358750,"source":{"system":"sec-edgar","filing":"0001179110-19-006129","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1350653/000117911019006129/edgar.xml","form_type":"4"}}]}