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 | $100K–$500K | 17K | $15.82 | Mar 8, 2023 |
| Miles Patrick | CEO | SELL | $1M+ | 180K | $5348.23 | Mar 8, 2023 |
| Pritzker Jennifer N. | 10% Owner | BUY | $50K–$100K | 5K | $15.91 | Mar 8, 2023 |
| Hunsaker Craig E | EVP | SELL | $500K+ | 33K | $16.00 | Mar 3, 2023 |
| Hunsaker Craig E | EVP | SELL | $1M+ | 126K | $15.56 | Mar 2, 2023 |
| Lish Scott | SVP, DEVELOPMENT | EXERCISE | $15K–$50K | 13K | $3.50 | Mar 2, 2023 |
| Lish Scott | SVP, DEVELOPMENT | SELL | $100K–$500K | 25K | $14.76 | Mar 2, 2023 |
| Koning John Todd | CHIEF FINANCIAL OF… | SELL | $100K–$500K | 23K | $14.76 | Mar 2, 2023 |
| Koning John Todd | CHIEF FINANCIAL OF… | SELL | $100K–$500K | 13K | $14.20 | Feb 24, 2023 |
| Lish Scott | SVP, DEVELOPMENT | SELL | $100K–$500K | 22K | $14.22 | Feb 24, 2023 |
| Hunsaker Craig E | EVP | SELL | $500K+ | 66K | $14.04 | Feb 22, 2023 |
| Hunsaker Craig E | EVP | EXERCISE | $100K–$500K | 135K | $3.50 | Feb 22, 2023 |
| Hunsaker Craig E | EVP | SELL | $500K+ | 60K | $14.00 | Feb 10, 2023 |
| Miles Patrick | CEO | SELL | $1M+ | 180K | $13.16 | Jan 24, 2023 |
| Miles Patrick | CEO | SELL | $1M+ | 180K | $13.23 | Jan 20, 2023 |
| Hunsaker Craig E | EVP | SELL | $500K+ | 40K | $12.60 | Jan 10, 2023 |
| Sponsel David | EVP, SALES | SELL | $100K–$500K | 10K | $11.99 | Jan 10, 2023 |
| TULLIS JAMES L L | Director | SELL | $500K+ | 50K | $10.59 | Dec 20, 2022 |
| Sponsel David | EVP, SALES | SELL | $50K–$100K | 10K | $9.88 | Dec 5, 2022 |
| Sponsel David | EVP, SALES | SELL | $50K–$100K | 10K | $9.25 | Nov 9, 2022 |
| Mowry David H | Director | SELL | $15K–$50K | 4K | $7.85 | Aug 29, 2022 |
| Altman Elizabeth Ann | Director | SELL | $50K–$100K | 8K | $9.06 | Aug 17, 2022 |
| Hunsaker Craig E | EVP | SELL | $100K–$500K | 41K | $9.54 | Aug 17, 2022 |
| Pritzker Jennifer N. | 10% Owner | BUY | $50K–$100K | 8K | $7.99 | Aug 11, 2022 |
| Segal Paul | 10% Owner | BUY | $500K+ | 100K | $6.91 | Jun 16, 2022 |
| Hunsaker Craig E | EVP | SELL | $100K–$500K | 60K | $7.16 | Jun 16, 2022 |
| TULLIS JAMES L L | Director | BUY | $50K–$100K | 8K | $6.76 | Jun 15, 2022 |
| TULLIS JAMES L L | Director | GRANT | N/A | 19K | — | Jun 15, 2022 |
| Berkowitz Mortimer III | Director | BUY | $100K–$500K | 16K | $7.20 | Jun 13, 2022 |
| Segal Paul | 10% Owner | BUY | $500K+ | 71K | $7.18 | Jun 13, 2022 |
| Hunsaker Craig E | EVP | SELL | $500K+ | 70K | $7.16 | Jun 4, 2022 |
| Miles Patrick | CEO | SELL | $1M+ | 300K | $8.13 | May 20, 2022 |
| Pritzker Jennifer N. | 10% Owner | BUY | $15K–$50K | 6K | $8.08 | May 17, 2022 |
| TULLIS JAMES L L | Director | SELL | $500K+ | 69K | $12.99 | Apr 11, 2022 |
| Pritzker Jennifer N. | 10% Owner | BUY | $1K–$15K | 1K | $10.64 | Mar 15, 2022 |
| Pritzker Jennifer N. | 10% Owner | BUY | $15K–$50K | 4K | $11.44 | Mar 10, 2022 |
| Lish Scott | SVP, DEVELOPMENT | SELL | $50K–$100K | 5K | $10.94 | Mar 3, 2022 |
| Lish Scott | SVP, Development | SELL | $100K–$500K | 21K | $9.76 | Feb 28, 2022 |
| Lish Scott | SVP, Development | GRANT | N/A | 89K | — | Feb 28, 2022 |
| Lish Scott | SVP, Development | SELL | $15K–$50K | 5K | $9.66 | Feb 25, 2022 |
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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