Form4insider filings, from the source

Company · CIK 0001395937 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

Syndax Pharmaceuticals Inc · SNDX

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $785k · 1net −$785k
$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
Jul 8, 2026 SForm 4 →Jul 9, 4:54 pm EDTMichael A MetzgerChief Executive Officer, Director32,375$24.24$784,776484,843−6.26%10b5-1
Jul 8, 2026 MForm 4 →Jul 9, 4:54 pm EDTMichael A MetzgerChief Executive Officer, Director32,375$6.38$206,553517,218—10b5-1

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jul 8, 2026 MForm 4 →Jul 9, 4:54 pm EDTMichael A MetzgerChief Executive Officer, Director32,375——0—10b5-1