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SNDX insider trading

Syndax Pharmaceuticals Inc — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
3
Bought · 24 mo
$242k
Buys · last 90 days
0 · $0
Most recent buy
2025-05-19

Cluster buy detected

3 insiders bought SNDX within a short window (2025-05-16→2025-05-19), $242k in total — cluster score 56/100. Members see the buyers, the score breakdown and the chart.

See the cluster

Recent insider filings

FiledInsiderTypeSharesPriceValue
2025-09-08Metzger Michael A
Chief Executive Officer
Sold157,307$16.41$2.6M
2025-05-19Botwood Nicholas A.J.cluster
Head of R&D, CMO
Bought11,765$9.00$106k
2025-05-19Huber Martin H. Jr.cluster
Director
Bought5,000$8.99$45k
2025-05-19Katkin Keithcluster
Director
Bought10,000$9.11$91k

Most active insider buyers

InsiderRoleBuysTotal bought
Botwood Nicholas A.J.Head of R&D, CMO1$106k
Katkin KeithDirector1$91k
Huber Martin H. Jr.Director1$45k

See SNDX on the chart

Every insider buy and sell for SNDX plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

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Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.