SEC Form 4 · Updated Daily
ATEC
— ALPHATEC HOLDINGS, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| HEALTHPOINTCAPITAL PARTNERS II L P | 10%+ Owner | 21,010,565 | 2012-11-28 | S |
| HGP II, LLC | 10%+ Owner | 21,010,565 | 2012-11-28 | S |
| L-5 Healthcare Partners, LLC | 10%+ Owner | 11,081,538 | 2023-05-10 | S |
| HealthpointCapital Partners LP | 10%+ Owner | 10,777,173 | 2012-11-28 | S |
| HGP LLC | 10%+ Owner | 10,777,173 | 2012-11-28 | S |
| Squadron Capital LLC | 10%+ Owner | 10,673,879 | 2025-12-08 | S |
| Squadron Capital Holdings LLC | 10%+ Owner | 10,673,879 | 2025-12-08 | S |
| Pritzker Jennifer N. | 10%+ Owner | 10,673,879 | 2025-12-08 | S |
| Miles Patrick | Director · Officer | 5,893,551 | 2026-09-10 | P |
| FEDERAL INSURANCE CO | 10%+ Owner | 2,999,834 | 2006-06-07 | J |
| CHUBB CORP | 10%+ Owner | 2,999,834 | 2006-06-07 | J |
| Hunsaker Craig E | Officer | 1,808,974 | 2026-03-06 | S |
| Yoshimi Shunshiro | Reporting Owner | 1,223,863 | 2007-06-18 | J |
| Lish Scott | Officer | 815,704 | 2026-03-13 | S |
| Rich Terry | Director · Officer | 732,102 | 2018-07-30 | A |
| Snider Brian | Officer | 655,382 | 2022-08-05 | F |
| Berkowitz Mortimer III | Director | 650,062 | 2026-06-10 | A |
| Marshall Tyson Eliot | Officer | 630,398 | 2026-08-05 | S |
| Black Jeffrey G. | Officer | 620,770 | 2021-03-09 | S |
| Koning John Todd | Officer | 600,721 | 2026-03-13 | S |
| Blackford Quentin S. | Director | 600,381 | 2026-06-10 | A |
| TULLIS JAMES L L | Director | 563,831 | 2023-09-11 | S |
| Kuyper Dirk | Director | 559,128 | 2011-08-30 | P |
| Howell Kelli Mari | Officer | 540,098 | 2022-08-05 | F |
| Sponsel David | Officer | 504,932 | 2026-03-11 | S |
| Hiscock Ronald | Officer | 504,075 | 2006-11-10 | P |
| Demski David M | Director | 431,635 | 2026-06-10 | A |
| Rydin Jeffrey P | Director | 385,441 | 2025-11-03 | S |
| Pelizzon David R | 10%+ Owner · Director | 378,839 | 2026-06-10 | A |
| Asai Mitsuo | Officer | 276,566 | 2015-11-13 | J |
| Valentine Keith | Director | 264,283 | 2026-06-10 | A |
| Hochschuler Stephen | Director | 232,183 | 2010-08-19 | P |
| Carls Thomas Andrew | Officer | 202,520 | 2026-10-05 | A |
| Plunkett Michael Joseph | Officer | 200,127 | 2017-08-24 | M |
| Allen Jonathan | Officer | 200,000 | 2018-03-02 | M |
| Ryan Patrick | Officer | 166,466 | 2013-08-08 | A |
| WOODS WARD W JR | Director | 154,291 | 2025-06-11 | A |
| O'Neill Michael | Officer | 138,653 | 2016-05-16 | J |
| Williams Donald Allen | Director | 134,728 | 2021-06-16 | A |
| GLYNN JAMES R | Director | 127,175 | 2015-02-25 | A |
| MARSHALL SIRI S | Director | 112,175 | 2015-02-25 | A |
| DESAI ROHIT M | Director | 112,175 | 2015-02-25 | A |
| Romanoski Vicky | Officer | 103,046 | 2006-11-09 | P |
| MCGINNIS KAREN K | Director | 100,721 | 2026-06-10 | A |
| Northcutt Trent | Officer | 98,758 | 2006-06-07 | J |
| Mowry David H | Director | 92,381 | 2023-09-11 | S |
| Lubischer Stephen | Officer | 86,527 | 2012-11-15 | J |
| CROSS LESLIE H | Director | 84,382 | 2017-04-25 | A |
| Hochberg Jason | Director | 84,375 | 2021-12-15 | P |
| CORBETT JAMES | Director · Officer | 77,082 | 2016-05-16 | J |
| Bellucci Herbert J | Officer | 76,097 | 2006-11-10 | P |
| Meynadier Marie | Director | 59,126 | 2023-06-20 | A |
| Weise Scott | Officer | 55,530 | 2006-06-07 | J |
| Bakst Evan | Director | 50,000 | 2024-08-23 | P |
| Garner Ebun | Officer | 48,545 | 2016-12-12 | A |
| Steven Reinecke | Officer | 46,300 | 2006-06-07 | J |
| FAULSTICK LUKE T | Director | 46,260 | 2013-07-26 | A |
| Altman Elizabeth Ann | Director | 41,066 | 2023-06-20 | A |
| DAVIS TOM C | Director | 37,275 | 2015-05-06 | A |
| Oneil Stephen | Director | 33,006 | 2017-04-25 | A |
| Molson R Ian | Director | 31,834 | 2017-04-25 | A |
| Stott Kermit P. | Officer | 25,366 | 2010-11-15 | J |
| Wulff Peter C | Officer | 22,000 | 2010-08-10 | P |
| Ravitch Richard | Director | 20,000 | 2008-11-10 | P |
| Plotkin Brian | Officer | 19,751 | 2006-06-07 | J |
| Barnett Andy | Director | 18,546 | 2022-06-15 | A |
| Nelson Dennis | Officer | 16,497 | 2016-12-12 | A |
| Foster John | 10%+ Owner | 14,933 | 2016-11-29 | S |
| TIMM JENS PETER | Officer | 13,278 | 2010-11-15 | J |
| Bradshaw Kimberly | Officer | 11,016 | 2006-06-07 | J |
| Yasbek Steven | Officer | 5,800 | 2006-11-13 | P |
| DIXON STEPHEN T D | Officer | 2,222 | 2006-06-07 | P |
| Lacienski Daniel | Officer | 444 | 2006-06-07 | P |
| Segal Paul | Director | 0 | 2023-06-15 | S |
| HCPII Co-Invest Vehicle II, L.P. | 10%+ Owner | 0 | 2012-03-07 | J |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-10-05 | Carls Thomas Andrew | Grant / award | 200,000 | $0.00 | 202,520 |
| 2026-09-14 | Carls Thomas Andrew | — | — | — | 2,520 |
| 2026-09-10 | Miles Patrick | Open-market buy | 115,000 | $8.81 | 5,893,551 |
| 2026-08-05 | Marshall Tyson Eliot | Open-market sale | 8,168 | $9.65 | 630,398 |
| 2026-06-11 | MCGINNIS KAREN K | Open-market sale | 6,050 | $8.01 | 94,671 |
| 2026-06-10 | Berkowitz Mortimer III | Grant / award | 32,012 | $0.00 | 650,062 |
| 2026-06-10 | Demski David M | Grant / award | 32,012 | $0.00 | 431,635 |
| 2026-06-10 | Pelizzon David R | Grant / award | 32,012 | $0.00 | 378,839 |
| 2026-06-10 | Valentine Keith | Grant / award | 32,012 | $0.00 | 264,283 |
| 2026-06-10 | Blackford Quentin S. | Grant / award | 32,012 | $0.00 | 600,381 |
| 2026-06-10 | MCGINNIS KAREN K | Grant / award | 32,012 | $0.00 | 100,721 |
| 2026-05-11 | Valentine Keith | Open-market buy | 35,000 | $7.00 | 232,271 |
| 2026-05-08 | Valentine Keith | Open-market buy | 43,847 | $7.54 | 197,271 |
| 2026-05-07 | Valentine Keith | Open-market buy | 56,153 | $7.49 | 153,424 |
| 2026-04-07 | Marshall Tyson Eliot | Option exercise (derivative) | 15,000 | $0.00 | 0 |
| 2026-04-07 | Marshall Tyson Eliot | Tax withholding | 23,393 | $11.03 | 638,566 |
| 2026-04-07 | Marshall Tyson Eliot | Option exercise | 60,000 | $2.69 | 661,959 |
| 2026-04-07 | Marshall Tyson Eliot | Option exercise | 12,500 | $3.34 | 601,959 |
| 2026-04-07 | Marshall Tyson Eliot | Option exercise | 15,000 | $1.68 | 589,459 |
| 2026-04-07 | Marshall Tyson Eliot | Option exercise | 15,000 | $1.98 | 574,459 |
| 2026-03-13 | Lish Scott | Open-market sale | 260,535 | $12.30 | 815,704 |
| 2026-03-13 | Koning John Todd | Open-market sale | 79,789 | $12.36 | 600,721 |
| 2026-03-11 | Sponsel David | Open-market sale | 163,452 | $12.52 | 504,932 |
| 2026-03-09 | Hunsaker Craig E | Gift | 600 | $0.00 | 1,725,609 |
| 2026-03-09 | Hunsaker Craig E | Open-market sale | 82,765 | $12.45 | 1,726,209 |
| 2026-03-06 | Hunsaker Craig E | Open-market sale | 33,602 | $12.22 | 1,808,974 |
| 2026-03-05 | Marshall Tyson Eliot | Open-market sale | 88,835 | $12.49 | 559,459 |
| 2026-03-05 | Miles Patrick | Tax withholding | 219,749 | $12.57 | 5,778,551 |
| 2026-03-05 | Koning John Todd | Tax withholding | 68,910 | $12.57 | 680,510 |
| 2026-02-25 | Miles Patrick | Grant / award (derivative) | 152,853 | $0.00 | 152,853 |
| 2026-02-25 | Miles Patrick | Grant / award | 48,913 | — | 5,998,300 |
| 2026-02-25 | Miles Patrick | Grant / award | 305,707 | $0.00 | 5,949,387 |
| 2026-02-25 | Miles Patrick | Grant / award | 611,673 | $0.00 | 5,643,680 |
| 2026-02-25 | Hunsaker Craig E | Grant / award (derivative) | 63,689 | $0.00 | 63,689 |
| 2026-02-25 | Hunsaker Craig E | Grant / award | 20,992 | — | 1,842,576 |
| 2026-02-25 | Hunsaker Craig E | Grant / award | 127,378 | $0.00 | 1,821,584 |
| 2026-02-25 | Hunsaker Craig E | Grant / award | 311,110 | $0.00 | 1,694,206 |
| 2026-02-25 | Lish Scott | Grant / award (derivative) | 63,689 | $0.00 | 63,689 |
| 2026-02-25 | Lish Scott | Grant / award | 20,992 | — | 1,076,239 |
| 2026-02-25 | Lish Scott | Grant / award | 127,378 | $0.00 | 1,055,247 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.