// company-profile
Syndax Pharmaceuticals Inc Insider Trading
SNDXEvery SEC Form 4 insider trading filing for Syndax Pharmaceuticals Inc (SNDX) — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC.
curl "https://api.form4api.com/v1/transactions?ticker=SNDX" -H "X-Api-Key: YOUR_API_KEY"// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Syndax Pharmaceuticals Inc insiders bought $949K (6 transactions) and sold $152K (2 transactions).
- Most active insider: Botwood Nicholas A.J. with 6 transactions totaling $1.9M.
- Largest single sale: $785K by Metzger Michael A on Jul 8, 2026.
- 60% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Syndax Pharmaceuticals Inc as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 8, 2026 | Metzger Michael A | SNDX | Option Exercise | 32,375 | $0.00 | $0K |
| Jul 8, 2026 | Metzger Michael A | SNDX | Sale10b5 | 32,375 | $24.24 | $785K |
| Jul 8, 2026 | Metzger Michael A | SNDX | Option Exercise | 32,375 | $6.38 | $207K |
| Jun 12, 2026 | Botwood Nicholas A.J. | SNDX | Sale10b5 | 31,235 | $18.14 | $567K |
| Jun 12, 2026 | Botwood Nicholas A.J. | SNDX | Option Exercise | 31,235 | $0.00 | $0K |
45 more transactions hidden
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