Form4insider filings, from the source

Insider · CIK 0002040349

Daniel D. Long

Files at: SEPN. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $126k · 1net −$126k
$10k$10k$100k$100k$1M$1MbuyssalesAug 27Sep 1Sep 6Sep 11Sep 16Sep 22Sep 27

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 SForm 4 →Sep 3, 7:01 pm EDTSepterna, Inc.SEPN3,333$37.83$126,07896,412−3.34%10b5-1
Sep 1, 2026 MForm 4 →Sep 3, 7:01 pm EDTSepterna, Inc.SEPN3,333$2.76$9,19999,745—10b5-1

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 MForm 4 →Sep 3, 7:01 pm EDTSepterna, Inc.SEPN3,333——9,085—10b5-1