Form4insider filings, from the source

Insider · CIK 0001777631

Stephen K. Brannan

Files at: SER. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $2,030 · 1sales $0 · 0net $2,030
$10k$10k$100k$100k$1M$1MbuyssalesJul 6Jul 6Jul 6Jul 7Jul 7Jul 7Jul 8

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jul 7, 2026 PForm 4 →Jul 9, 12:05 pm EDTSerina Therapeutics, Inc.SER1,000$2.03$2,0301,000—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 17, 2026 AForm 4 →Jun 22, 7:13 pm EDTSerina Therapeutics, Inc.SER15,250——15,250—