Koning John Todd — SEC Form 4 filings
SEC reporting owner CIK 1830843. 13 Form 4 filings on record with FilingPulse; latest filed 2026-03-17.
Transaction summary — filings shown
Covers all 13 filings on record, filed 2024-02-05 to 2026-03-17. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 5 legs across 5 filings — 441,511 shares, $5,090,836 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 15.
- Largest priced transaction: sale of 121,601 shares @ $13.30 ($1,617,293) in Alphatec Holdings, Inc., filed 2024-03-04.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Alphatec Holdings, Inc. (ATEC) | CHIEF FINANCIAL OFFICER | 13 | — | 5 legs · 441,511 sh · $5,090,836 | 15 |
Form 4 filings — Koning John Todd
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-03-17 | 4 | Alphatec Holdings, Inc. (ATEC) | Sale (S): 79,789 @ $12.36 | EDGAR |
| 2026-03-09 | 4 | Alphatec Holdings, Inc. (ATEC) | Tax withholding (F): 68,910 @ $12.57 | EDGAR |
| 2026-02-27 | 4 | Alphatec Holdings, Inc. (ATEC) | Grant/award (A): 205,094 @ $0 · Grant/award (A): 110,394 @ $0 · Grant/award (A): 20,380 · Grant/award (A): 55,197 (derivative) @ $0 · Grant/award (A): 55,197 (derivative) @ $0 | EDGAR |
| 2025-12-10 | 4 | Alphatec Holdings, Inc. (ATEC) | Tax withholding (F): 15,266 @ $21.45 | EDGAR |
| 2025-08-07 | 4 | Alphatec Holdings, Inc. (ATEC) | Tax withholding (F): 5,315 @ $15.34 | EDGAR |
| 2025-04-23 | 4 | Alphatec Holdings, Inc. (ATEC) | Sale (S): 37,500 @ $10.71 | EDGAR |
| 2025-04-03 | 4 | Alphatec Holdings, Inc. (ATEC) | Grant/award (A): 20,929 | EDGAR |
| 2025-03-12 | 4 | Alphatec Holdings, Inc. (ATEC) | Sale (S): 165,121 @ $9.72 | EDGAR |
| 2025-01-31 | 4 | Alphatec Holdings, Inc. (ATEC) | Grant/award (A): 120,952 @ $0 · Grant/award (A): 114,322 @ $0 · Grant/award (A): 19,598 | EDGAR |
| 2024-04-26 | 4 | Alphatec Holdings, Inc. (ATEC) | Sale (S): 37,500 @ $12.82 | EDGAR |
| 2024-03-04 | 4 | Alphatec Holdings, Inc. (ATEC) | Sale (S): 121,601 @ $13.30 | EDGAR |
| 2024-02-22 | 4 | Alphatec Holdings, Inc. (ATEC) | Grant/award (A): 31,746 @ $0 | EDGAR |
| 2024-02-05 | 4 | Alphatec Holdings, Inc. (ATEC) | Grant/award (A): 129,612 @ $0 · Tax withholding (F): 24,453 @ $16.68 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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