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 |
|---|---|---|---|---|---|---|
| Miles Patrick | CEO | SELL | $50K–$100K | 7K | $12.00 | Jan 23, 2025 |
| Sponsel David | EVP, SALES | SELL | $500K+ | 59K | $10.71 | Jan 14, 2025 |
| Miles Patrick | CEO | SELL | $1M+ | 100K | $10.06 | Nov 22, 2024 |
| Bakst Evan | Director | BUY | $100K–$500K | 35K | $5.76 | Aug 26, 2024 |
| Pelizzon David R | Director | BUY | $100K–$500K | 26K | $5.81 | Aug 26, 2024 |
| Demski David M | Director | BUY | $100K–$500K | 50K | $5.67 | Aug 22, 2024 |
| Marshall Tyson Eliot | GENERAL COUNSEL & … | SELL | $500K+ | 50K | $10.88 | Jun 14, 2024 |
| Koning John Todd | CHIEF FINANCIAL OF… | SELL | $100K–$500K | 38K | $12.82 | Apr 26, 2024 |
| Marshall Tyson Eliot | GENERAL COUNSEL & … | SELL | $100K–$500K | 12K | $13.30 | Mar 5, 2024 |
| Koning John Todd | CHIEF FINANCIAL OF… | SELL | $1M+ | 122K | $13.30 | Mar 5, 2024 |
| Sponsel David | EVP, SALES | SELL | $100K–$500K | 32K | $15.19 | Feb 29, 2024 |
| Lish Scott | CHIEF OPERATING OF… | SELL | $100K–$500K | 31K | $15.19 | Feb 29, 2024 |
| Hunsaker Craig E | EVP | SELL | $500K+ | 42K | $15.05 | Feb 28, 2024 |
| Sponsel David | EVP, SALES | SELL | $100K–$500K | 18K | $15.34 | Feb 22, 2024 |
| Sponsel David | EVP, SALES | GRANT | N/A | 35K | — | Feb 22, 2024 |
| Hunsaker Craig E | EVP | SELL | $1M+ | 77K | $15.16 | Feb 22, 2024 |
| Hunsaker Craig E | EVP | GRANT | N/A | 41K | — | Feb 22, 2024 |
| Lish Scott | CHIEF OPERATING OF… | SELL | $100K–$500K | 12K | $15.34 | Feb 22, 2024 |
| Lish Scott | CHIEF OPERATING OF… | GRANT | N/A | 32K | — | Feb 22, 2024 |
| Sponsel David | EVP, SALES | SELL | $15K–$50K | 3K | $16.16 | Feb 15, 2024 |
| Sponsel David | EVP, SALES | GRANT | N/A | 121K | — | Feb 5, 2024 |
| Sponsel David | EVP, SALES | SELL | $500K+ | 37K | $16.47 | Feb 5, 2024 |
| Hunsaker Craig E | EVP | SELL | $500K+ | 39K | $16.51 | Feb 5, 2024 |
| Hunsaker Craig E | EVP | GRANT | N/A | 185K | — | Feb 5, 2024 |
| Lish Scott | CHIEF OPERATING OF… | GRANT | N/A | 100K | — | Feb 5, 2024 |
| Lish Scott | CHIEF OPERATING OF… | SELL | $100K–$500K | 25K | $16.47 | Feb 5, 2024 |
| Sponsel David | EVP, SALES | SELL | $15K–$50K | 3K | $15.00 | Jan 17, 2024 |
| Sponsel David | EVP, SALES | SELL | $15K–$50K | 3K | $15.00 | Dec 27, 2023 |
| Demski David M | Director | BUY | $100K–$500K | 30K | $10.50 | Nov 13, 2023 |
| Miles Patrick | CEO | SELL | $1M+ | 179K | $12.66 | Sep 27, 2023 |
| Miles Patrick | CEO | SELL | $1M+ | 180K | $13.42 | Sep 20, 2023 |
| Mowry David H | Director | SELL | $100K–$500K | 10K | $14.46 | Sep 13, 2023 |
| TULLIS JAMES L L | Director | SELL | $1M+ | 105K | $14.74 | Sep 13, 2023 |
| Bakst Evan | Director | SELL | $100K–$500K | 9K | $14.92 | Aug 25, 2023 |
| Pritzker Jennifer N. | 10% Owner | BUY | $50K–$100K | 6K | $15.11 | Aug 10, 2023 |
| Hunsaker Craig E | EVP | SELL | $1M+ | 107K | $18.00 | Jun 29, 2023 |
| Altman Elizabeth Ann | Director | SELL | $100K–$500K | 9K | $16.14 | Jun 20, 2023 |
| Sponsel David | EVP, SALES | SELL | $500K+ | 56K | $16.17 | Jun 20, 2023 |
| Segal Paul | Director | SELL | $1M+ | 71K | $15.15 | Jun 16, 2023 |
| Segal Paul | Director | SELL | $1M+ | 71K | $15.15 | Jun 15, 2023 |
| Hunsaker Craig E | EVP | SELL | $500K+ | 58K | $15.29 | May 16, 2023 |
| Segal Paul | 10% Owner | SELL | $1M+ | 167K | $14.88 | May 12, 2023 |
| L-5 Healthcare Partners, LLC | 10% Owner | SELL | $1M+ | 1.7M | $14.88 | May 12, 2023 |
| Pritzker Jennifer N. | 10% Owner | BUY | $50K–$100K | 6K | $15.55 | May 11, 2023 |
| Hunsaker Craig E | EVP | SELL | $100K–$500K | 28K | $15.85 | Apr 25, 2023 |
| Koning John Todd | CHIEF FINANCIAL OF… | SELL | $100K–$500K | 17K | $16.42 | Apr 24, 2023 |
| Miles Patrick | CEO | SELL | $1K–$15K | 353 | $15.86 | Apr 6, 2023 |
| Pelizzon David R | Director | BUY | $15K–$50K | 3K | $15.24 | Mar 15, 2023 |
| Miles Patrick | CEO | SELL | $1M+ | 140K | $15.17 | Mar 13, 2023 |
| TULLIS JAMES L L | Director | SELL | $100K–$500K | 30K | $16.12 | Mar 9, 2023 |
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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