Insider Ledger

CATX insider buying and SEC filings, explained

Perspective Therapeutics, Inc. · CIK 728387

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Company profile

Exchanges
NYSE
Industry (SIC)
Pharmaceutical Preparations
State of incorporation
DE
Fiscal year end
Dec 31
Former names
IsoRay, Inc.; Isoray, Inc.; CENTURY PARK PICTURES CORP

Insider activity in the last 12 months

Bought
$42K
Insiders who bought
2
Sold (not marked 10b5-1)
$1.6M
Planned sales (10b5-1)
$0

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Sep 3–4, 2026SaleLantheus Holdings, Inc. (10% owner) sold 247,932 shares between Sep 3 and Sep 4 at about $3.14 ($778K). Holdings down 2% to 11,273,364 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner.SEC filing
Filed Sep 8, 2026
Sep 2, 2026SaleLantheus Holdings, Inc. (10% owner) sold 42,129 shares at about $3.11 ($131K). Holdings down <1% to 11,521,296 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner.SEC filing
Filed Sep 4, 2026
Aug 31–Sep 1, 2026SaleLantheus Alpha Therapy, LLC (10% owner) sold 113,914 shares between Aug 31 and Sep 1 at about $3.13 ($357K). Holdings down 1% to 11,563,425 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Sep 4, 2026
Sep 1, 2026SaleLantheus Holdings, Inc. (10% owner) sold 35,769 shares at about $3.12 ($112K). Holdings down <1% to 11,563,425 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Sep 3, 2026
Aug 31, 2026SaleLantheus Holdings, Inc. (10% owner) sold 78,145 shares at about $3.14 ($245K). Holdings down 1% to 11,599,194 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Sep 2, 2026
Nov 13, 2025Purchase (code P)Jonathan Robert Hunt (Chief Accounting Officer) bought 11,000 shares at about $2.03 ($22K), reported as a purchase (code P). Holdings up 23% to 59,800 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Nov 17, 2025
Nov 12, 2025Purchase (code P)Robert F Williamson III (Director) bought 9,498 shares indirectly (by trust) at $2.10 ($20K), reported as a purchase (code P). Holdings by trust up 999%+ to 9,864 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Nov 14, 2025

8 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

2 insiders bought in 30 days

$42K in purchases since Nov 12, 2025 · Purchases traded Nov 12, 2025 to Nov 13, 2025 · Closed

InsiderValueTradedSource
Robert F Williamson III (Director)$20KNov 12, 2025SEC filing
Jonathan Robert Hunt (Chief Accounting Officer)$22KNov 13, 2025SEC filing

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

No 8-K filings in the last 12 months.

Red flags are objective triggers only: the item or form filed, never an opinion.

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