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Insider ActivityATEC
Valentine Keith, Insider at Alphatec Holdings, Inc., bought $331K of ATEC
Updated Jun 21, 2026
Valentine Keith
Insider
Alphatec Holdings, Inc. ·
$ATEC
Transaction Details
| Insider | Valentine Keith |
|---|---|
| Title | Insider |
| Company | Alphatec Holdings, Inc. |
| Ticker | ATEC |
| Transaction Type | Purchase |
| Transaction Date | 2026-05-08 |
| Shares Traded | 43,847 |
| Price Per Share | $7.54 |
| Total Value | $331K |
| Filed Date | 2026-05-11 |
| Accession Number | 0001289408-26-000002 |
Ownership Context
| Shares Owned After Transaction | 197,271 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001289408-26-000002
Other Insider Trades — ATEC
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| MCGINNIS KAREN K | Insider | sold | $48K | 2026-06-11 |
| Blackford Quentin S. | Insider | traded | — | 2026-06-10 |
| Pelizzon David R | Insider | traded | — | 2026-06-10 |
| Demski David M | Insider | traded | — | 2026-06-10 |
| Berkowitz Mortimer III | Insider | traded | — | 2026-06-10 |
| Valentine Keith | Insider | traded | — | 2026-06-10 |
| MCGINNIS KAREN K | Insider | traded | — | 2026-06-10 |
| Valentine Keith | Insider | bought | $245K | 2026-05-11 |
| Valentine Keith | Insider | bought | $421K | 2026-05-07 |
| Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | traded | $42K | 2026-04-07 |
Other Trades by Valentine Keith
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| ATEC | Alphatec Holdings, Inc. | traded | — | 2026-06-10 |
| ATEC | Alphatec Holdings, Inc. | bought | $245K | 2026-05-11 |
| ATEC | Alphatec Holdings, Inc. | bought | $421K | 2026-05-07 |
Full Ticker Profile
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 21, 2026 at 07:15 UTC