Form4insider filings, from the source

Insider · CIK 0001706400

Derrell Porter

Files at: ABOS, ATRA. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $75k · 1net −$75k
$10k$10k$100k$100k$1M$1MbuyssalesSep 2024Jan 2025May 2025Sep 2025Jan 2026May 2026Sep 2026

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 15, 2026 SForm 4 →Jun 17, 5:10 pm EDTAcumen Pharmaceuticals, Inc.ABOS32,300$2.33$75,24035,500−47.6%
Jun 15, 2026 MForm 4 →Jun 17, 5:10 pm EDTAcumen Pharmaceuticals, Inc.ABOS19,500$1.07$20,86548,540—
Jun 3, 2026 AForm 4 →Jun 5, 4:30 pm EDTAcumen Pharmaceuticals, Inc.ABOS35,500——48,300—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 15, 2026 MForm 4 →Jun 17, 5:10 pm EDTAcumen Pharmaceuticals, Inc.ABOS19,500——0—
Jun 3, 2026 AForm 4 →Jun 5, 4:30 pm EDTAcumen Pharmaceuticals, Inc.ABOS53,250——53,250—