ATEC
Alphatec Holdings, Inc.
Surgical & Medical Instruments & ApparatusNasdaqLarge accelerated filer
Total Trades
140
Buys
16
Sells
111
Largest Trade
N/A
Insiders
20
Institutional Funds
229
Inst. Value
$1M+
Activist Filings
2
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Sponsel David | EVP, SALES | SELL | $500K+ | 60K | $13.79 | Feb 6, 2026 |
| Hunsaker Craig E | EVP | SELL | $500K+ | 37K | $14.71 | Feb 5, 2026 |
| Miles Patrick | CEO | SELL | $1M+ | 100K | $21.01 | Jan 7, 2026 |
| Lish Scott | CHIEF OPERATING OF… | SELL | $100K–$500K | 20K | $19.64 | Dec 19, 2025 |
| Pelizzon David R | Director | SELL | $1M+ | 250K | $19.66 | Dec 19, 2025 |
| Hunsaker Craig E | EVP | SELL | $500K+ | 33K | $20.84 | Dec 13, 2025 |
| Sponsel David | EVP, SALES | SELL | $100K–$500K | 21K | $20.79 | Dec 13, 2025 |
| Demski David M | Director | SELL | $500K+ | 30K | $21.20 | Dec 13, 2025 |
| Pelizzon David R | Director | SELL | $1M+ | 250K | $21.18 | Dec 11, 2025 |
| Squadron Capital LLC | 10% Owner | SELL | $1M+ | 250K | $21.18 | Dec 11, 2025 |
| Sponsel David | EVP, SALES | SELL | $15K–$50K | 988 | $21.45 | Dec 11, 2025 |
| Squadron Capital Holdings LLC | 10% Owner | SELL | $1M+ | 250K | $21.18 | Dec 10, 2025 |
| Pritzker Jennifer N. | 10% Owner | SELL | $1M+ | 250K | $21.18 | Dec 10, 2025 |
| Lish Scott | CHIEF OPERATING OF… | SELL | $100K–$500K | 11K | $21.47 | Dec 10, 2025 |
| Marshall Tyson Eliot | GENERAL COUNSEL & … | SELL | $100K–$500K | 23K | $21.47 | Dec 10, 2025 |
| Miles Patrick | CEO | SELL | $1M+ | 100K | $22.11 | Dec 4, 2025 |
| Pritzker Jennifer N. | 10% Owner | SELL | $1M+ | 250K | $20.62 | Nov 26, 2025 |
| Squadron Capital Holdings LLC | 10% Owner | SELL | $1M+ | 250K | $20.62 | Nov 26, 2025 |
| Pelizzon David R | Director | SELL | $1M+ | 250K | $20.62 | Nov 26, 2025 |
| Squadron Capital LLC | 10% Owner | SELL | $1M+ | 250K | $20.62 | Nov 26, 2025 |
| Marshall Tyson Eliot | GENERAL COUNSEL & … | SELL | $1M+ | 70K | $19.51 | Nov 22, 2025 |
| Lish Scott | CHIEF OPERATING OF… | EXERCISE | $50K–$100K | 25K | $3.63 | Nov 22, 2025 |
| Lish Scott | CHIEF OPERATING OF… | SELL | $100K–$500K | 25K | $19.80 | Nov 22, 2025 |
| Squadron Capital Holdings LLC | 10% Owner | SELL | $1M+ | 250K | $20.80 | Nov 14, 2025 |
| Pritzker Jennifer N. | 10% Owner | SELL | $1M+ | 250K | $20.80 | Nov 14, 2025 |
| Pelizzon David R | Director | SELL | $1M+ | 250K | $20.80 | Nov 14, 2025 |
| Squadron Capital LLC | 10% Owner | SELL | $1M+ | 250K | $20.80 | Nov 14, 2025 |
| Rydin Jeffrey P | Director | SELL | $1M+ | 200K | $19.32 | Nov 5, 2025 |
| Miles Patrick | CEO | SELL | $1M+ | 100K | $18.96 | Nov 5, 2025 |
| Hunsaker Craig E | EVP | SELL | $1M+ | 100K | $19.95 | Oct 31, 2025 |
| Sponsel David | EVP, SALES | SELL | $1M+ | 70K | $16.18 | Oct 28, 2025 |
| Sponsel David | EVP, SALES | SELL | $1M+ | 140K | $15.09 | Sep 20, 2025 |
| Berkowitz Mortimer III | Director | SELL | $500K+ | 63K | $15.97 | Sep 11, 2025 |
| Miles Patrick | CEO | SELL | $1M+ | 300K | $15.73 | Sep 4, 2025 |
| Marshall Tyson Eliot | GENERAL COUNSEL & … | SELL | $15K–$50K | 2K | $12.00 | Jul 14, 2025 |
| Lish Scott | CHIEF OPERATING OF… | SELL | $15K–$50K | 4K | $12.00 | Jul 14, 2025 |
| Lish Scott | CHIEF OPERATING OF… | SELL | $100K–$500K | 23K | $11.07 | Jun 17, 2025 |
| MCGINNIS KAREN K | Director | SELL | $15K–$50K | 4K | $12.11 | Jun 13, 2025 |
| MCGINNIS KAREN K | Director | GRANT | N/A | 15K | — | Jun 13, 2025 |
| Hunsaker Craig E | EVP | SELL | $1M+ | 200K | $12.34 | Jun 6, 2025 |
| Lish Scott | CHIEF OPERATING OF… | SELL | $500K+ | 55K | $13.00 | May 21, 2025 |
| Lish Scott | CHIEF OPERATING OF… | SELL | $100K–$500K | 12K | $12.12 | May 6, 2025 |
| Koning John Todd | CHIEF FINANCIAL OF… | SELL | $100K–$500K | 38K | $10.71 | Apr 23, 2025 |
| Koning John Todd | CHIEF FINANCIAL OF… | SELL | $1M+ | 165K | $9.72 | Mar 12, 2025 |
| Lish Scott | CHIEF OPERATING OF… | SELL | $100K–$500K | 28K | $9.72 | Mar 12, 2025 |
| Lish Scott | CHIEF OPERATING OF… | SELL | $100K–$500K | 23K | $12.03 | Feb 28, 2025 |
| Miles Patrick | CEO | SELL | $100K–$500K | 32K | $10.89 | Feb 27, 2025 |
| Sponsel David | EVP, SALES | SELL | $100K–$500K | 32K | $10.54 | Feb 27, 2025 |
| Miles Patrick | CEO | GRANT | N/A | 701K | — | Feb 1, 2025 |
| Miles Patrick | CEO | SELL | $1M+ | 93K | $12.03 | Feb 1, 2025 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 229 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| AMERICAN CENTURY COMPANIES INC | 6.5M | $1M+ | SH |
| STATE STREET CORP | 2.9M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 2.5M | $1M+ | SH |
| NEXT CENTURY GROWTH INVESTORS LLC | 2.4M | $1M+ | SH |
| Cerity Partners LLC | 1.8M | $1M+ | SH |
| EMERALD ADVISERS, LLC | 1.6M | $1M+ | SH |
| Walleye Capital LLC | 1.6M | $1M+ | SH |
| Western Standard LLC | 1.3M | $1M+ | SH |
| Granite Investment Partners, LLC | 1.1M | $1M+ | SH |
| Point72 Asset Management, L.P. | 1.1M | $1M+ | SH |
| Penn Capital Management Company, LLC | 1.1M | $1M+ | SH |
| NEW YORK STATE COMMON RETIREMENT FUND | 1000K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 996K | $1M+ | SH |
| Assenagon Asset Management S.A. | 978K | $1M+ | SH |
| MORGAN STANLEY | 947K | $1M+ | SH |
| EMERALD MUTUAL FUND ADVISERS TRUST | 910K | $1M+ | SH |
| MetLife Investment Management, LLC | 908K | $1M+ | SH |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 890K | $1M+ | SH |
| TUDOR INVESTMENT CORP ET AL | 888K | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 870K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13D/A · Dec 17, 2025
7.0%
10.4M shares
SC 13G · Jan 29, 2024
5.6%
7.7M shares