Insider · CIK 0001364333
Mortimer Berkowitz III
Files at: ATEC. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 10, 2026 AForm 4 → | Jun 12, 5:30 pm EDT | Alphatec Holdings, Inc.ATEC | 32,012 | — | — | 650,062 | — | |
| Jun 15, 2018 JForm 4 → | Jun 19, 5:00 pm EDT | Alphatec Holdings, Inc.ATEC | 2,660,180 | — | — | 339,121 | — | plan? |
| May 17, 2018 MForm 4 → | May 21, 7:02 pm EDT | Alphatec Holdings, Inc.ATEC | 253,970 | — | — | 326,985 | — | plan? |
| Oct 27, 2017 MForm 4 → | Oct 31, 12:31 pm EDT | Alphatec Holdings, Inc.ATEC | 400,000 | — | — | 200,000 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| May 17, 2018 MForm 4 → | May 21, 7:02 pm EDT | Alphatec Holdings, Inc.ATEC | 800 | — | — | 0 | — | |
| Mar 8, 2018 AForm 4 → | Mar 12, 7:41 pm EDT | Alphatec Holdings, Inc.ATEC | 216,674 | $1,000.00 | $800,000 | 107,937 | — | |
| Oct 27, 2017 MForm 4 → | Oct 31, 12:31 pm EDT | Alphatec Holdings, Inc.ATEC | 800 | — | — | 0 | — | |
| Mar 29, 2017 AForm 4 → | Mar 31, 4:41 pm EDT | Alphatec Holdings, Inc.ATEC | 400,800 | $1,000.00 | $800,000 | 200,000 | — |