Tyndall Mark Anthony — SEC Form 4 filings
SEC reporting owner CIK 1944622. 5 Form 4 filings on record with FilingPulse; latest filed 2026-02-26.
Transaction summary — filings shown
Covers all 5 filings on record, filed 2024-02-06 to 2026-02-26. 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): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 9.
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 |
|---|---|---|---|---|---|
| Keenova Therapeutics plc | EVP & CLO and Corp Sec | 5 | — | — | 9 |
Form 4 filings — Tyndall Mark Anthony
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-02-26 | 4 | Keenova Therapeutics plc | Grant/award (A): 51,794 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Keenova Therapeutics plc | Option exercise (M): 6,576 · Tax withholding (F): 2,107 · Option exercise (M): 6,576 (derivative) @ $0 | EDGAR |
| 2025-08-04 | 4 | Mallinckrodt plc | Grant/award (A): 32,828 (derivative) @ $0 | EDGAR |
| 2025-01-02 | 4 | Mallinckrodt plc | Option exercise (M): 5,470 · Tax withholding (F): 1,772 · Option exercise (M): 5,470 (derivative) @ $0 | EDGAR |
| 2024-02-06 | 4 | Mallinckrodt plc | Grant/award (A): 16,413 (derivative) @ $0 | 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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