Form4insider filings, from the source

Company · CIK 0000728387 · SIC 2834 — Pharmaceutical Preparations · NYSE

Perspective Therapeutics, Inc. · CATX

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.6M · 5net −$1.6M
$10k$10k$100k$100k$1M$1MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 3, 2026 SForm 4 →Sep 8, 4:51 pm EDTLantheus Alpha Therapy, LLC +110% Owner247,932$3.13$776,94711,273,364−2.15%
Sep 2, 2026 SForm 4 →Sep 4, 5:00 pm EDTLantheus Alpha Therapy, LLC +110% Owner42,129$3.11$131,21911,521,296−0.36%
Sep 1, 2026 SForm 4 →Sep 3, 4:54 pm EDTLantheus Holdings, Inc.10% Owner35,769$3.12$111,57411,563,425−0.31%
Aug 31, 2026 SForm 4 →Sep 4, 4:58 pm EDTLantheus Alpha Therapy, LLC10% Owner113,914$3.14$357,18411,563,425−0.98% late
Aug 31, 2026 SForm 4 →Sep 2, 4:36 pm EDTLantheus Holdings, Inc.10% Owner78,145$3.14$245,61011,599,194−0.67%

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.