Williamson Robert F III — SEC Form 4 filings
SEC reporting owner CIK 1397331. 12 Form 4 filings on record with FilingPulse; latest filed 2026-03-04.
Transaction summary — filings shown
Covers all 12 filings on record, filed 2024-01-26 to 2026-03-04. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 22 legs across 8 filings — 476,213 shares, $485,486 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 3.
- Largest priced transaction: purchase of 38,145 shares @ $2.14 ($81,775) in Perspective Therapeutics, Inc., filed 2025-04-01.
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 |
|---|---|---|---|---|---|
| Perspective Therapeutics, Inc. (CATX) | Director | 12 | 22 legs · 476,213 sh · $485,486 | — | 3 |
Form 4 filings — Williamson Robert F III
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-03-04 | 4 | Perspective Therapeutics, Inc. (CATX) | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2025-11-14 | 4 | Perspective Therapeutics, Inc. (CATX) | Purchase (P): 9,498 @ $2.10 | EDGAR |
| 2025-04-01 | 4 | Perspective Therapeutics, Inc. (CATX) | Purchase (P): 22,192 @ $2.27 · Purchase (P): 38,145 @ $2.14 | EDGAR |
| 2025-03-05 | 4 | Perspective Therapeutics, Inc. (CATX) | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2024-12-04 | 4/A | Perspective Therapeutics, Inc. (CATX) | Holdings only — no transactions reported | EDGAR |
| 2024-11-27 | 4 | Perspective Therapeutics, Inc. (CATX) | Purchase (P): 3,647 @ $3.62 · Purchase (P): 2,619 @ $3.67 | EDGAR |
| 2024-06-24 | 4 | Perspective Therapeutics, Inc. (CATX) | Grant/award (A): 23,000 (derivative) @ $0 | EDGAR |
| 2024-06-03 | 4 | Perspective Therapeutics, Inc. (CATX) | Purchase (P): 55,000 @ $1.38 | EDGAR |
| 2024-05-30 | 4 | Perspective Therapeutics, Inc. (CATX) | Purchase (P): 11,375 @ $1.32 · Purchase (P): 18,656 @ $1.34 | EDGAR |
| 2024-02-01 | 4 | Perspective Therapeutics, Inc. (CATX) | Purchase (P): 18,579 @ $0.71 · Purchase (P): 5,127 @ $0.71 · Purchase (P): 57,121 @ $0.71 · Purchase (P): 42,879 @ $0.72 · Purchase (P): 3,500 @ $0.70 | EDGAR |
| 2024-01-30 | 4 | Perspective Therapeutics, Inc. (CATX) | Purchase (P): 12,250 @ $0.61 · Purchase (P): 14,850 @ $0.61 · Purchase (P): 8,513 @ $0.59 · Purchase (P): 25,000 @ $0.55 · Purchase (P): 50,000 @ $0.54 · Purchase (P): 4,031 @ $0.64 · +1 more | EDGAR |
| 2024-01-26 | 4 | Perspective Therapeutics, Inc. (CATX) | Purchase (P): 29,862 @ $0.49 · Purchase (P): 22,134 @ $0.49 | 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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