Robert F. Williamson III

CIK: 0001397331

Transaction Breakdown

Open Market Buys (P)5 (71.4%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (28.6%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

CATX

Perspective Therapeutics, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (7 total)

CATX
Perspective Therapeutics, Inc.
Mar 2, 2026
Award(A)
Stock option (right to buy)
Direct
50K shares-
CATX
Perspective Therapeutics, Inc.
Nov 12, 2025
Purchase(P)
Indirect
9.5K shares at avg. $2.10$20K
CATX
Perspective Therapeutics, Inc.
Mar 31, 2025
Purchase(P)
Direct
38.1K shares at avg. $2.14$82K
CATX
Perspective Therapeutics, Inc.
Mar 28, 2025
Purchase(P)
Direct
22.2K shares at avg. $2.27$50K
CATX
Perspective Therapeutics, Inc.
Mar 3, 2025
Award(A)
Stock option (right to buy)
Direct
50K shares-
CATX
Perspective Therapeutics, Inc.
Nov 25, 2024
Purchase(P)
Direct
2.6K shares at avg. $3.67$10K
CATX
Perspective Therapeutics, Inc.
Nov 25, 2024
Purchase(P)
Direct
3.6K shares at avg. $3.62$13K

		Type	Shares	Price		Ownership
Mar 2, 2026	CATX Perspective Therapeutics, Inc.	Award(A) Stock option (right to buy)	50,000	-	-	Direct
Nov 12, 2025	CATX Perspective Therapeutics, Inc.	Purchase(P)	9,498	$2.10	$19,946	Indirect
Mar 31, 2025	CATX Perspective Therapeutics, Inc.	Purchase(P)	38,145	$2.14	$81,775	Direct
Mar 28, 2025	CATX Perspective Therapeutics, Inc.	Purchase(P)	22,192	$2.27	$50,376	Direct
Mar 3, 2025	CATX Perspective Therapeutics, Inc.	Award(A) Stock option (right to buy)	50,000	-	-	Direct
Nov 25, 2024	CATX Perspective Therapeutics, Inc.	Purchase(P)	2,619	$3.67	$9,612	Direct
Nov 25, 2024	CATX Perspective Therapeutics, Inc.	Purchase(P)	3,647	$3.62	$13,202	Direct

1-7 of 7 transactions

About Williamson Robert F III

Williamson Robert F III (SEC CIK 0001397331) files insider reports with the SEC as Director of Perspective Therapeutics, Inc. (CATX).

Signal8 holds 6 ownership filings by Williamson Robert F III, all Form 4s, filed between Nov 27, 2024 and Mar 4, 2026. Those filings report 7 transactions, from Nov 25, 2024 to Mar 2, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Williamson Robert F III's filings is in SEATTLE, WA.

Recent filings by Williamson Robert F III

Mar 2, 2026: Grant or award of CATX derivative securities (Form 4, code A).
Nov 12, 2025: Open-market purchase of CATX shares (Form 4, code P).
Mar 31, 2025: Open-market purchase of CATX shares (Form 4, code P).
Mar 28, 2025: Open-market purchase of CATX shares (Form 4, code P).
Mar 3, 2025: Grant or award of CATX derivative securities (Form 4, code A).

Other insiders filing for Perspective Therapeutics, Inc. (CATX)

How to read Form 4 transaction codes