Updated Jul 16, 2026
Metzger Michael A has filed 2 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $4.08M.

Michael A. Metzger is the Chief Executive Officer of Syndax Pharmaceuticals Inc, a clinical-stage biopharmaceutical company focused on developing combination therapies for cancer. Under his leadership, the company is advancing its pipeline, including notable candidates like revumenib and axatilimab.
| Role | Insider |
|---|---|
| Notability | 50/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-09 | SNDX | Syndax Pharmaceuticals Inc | S — Open-market sale | 32.4K | $24.24 | $785K |
| 2026-07-09 | SNDX | Syndax Pharmaceuticals Inc | M — Option exercise | 32.4K | $6.38 | $207K |
| 2026-06-02 | SNDX | Syndax Pharmaceuticals Inc | S — Open-market sale | 6.8K | $18.99 | $130K |
| 2026-02-10 | SNDX | Syndax Pharmaceuticals Inc | S — Open-market sale | 17.2K | $21.03 | $361K |
| 2026-02-06 | SNDX | Syndax Pharmaceuticals Inc | S — Open-market sale | 7.4K | $20.62 | $153K |
| 2026-02-06 | SNDX | Syndax Pharmaceuticals Inc | A — Grant or award | 144.6K | $0.00 | |
| 2026-02-06 | SNDX | Syndax Pharmaceuticals Inc | A — Grant or award | 73.0K | $0.00 | |
| 2025-09-08 | SNDX | Syndax Pharmaceuticals Inc | S — Open-market sale | 157.3K | $16.41 | $2.58M |
| 2025-09-08 | SNDX | Syndax Pharmaceuticals Inc | M — Option exercise | 157.3K | $10.90 | $1.71M |
| 2025-07-16 | SNDX | Syndax Pharmaceuticals Inc | S — Open-market sale | 7.5K | $9.29 | $70K |
Michael A. Metzger is the Chief Executive Officer of Syndax Pharmaceuticals Inc, a clinical-stage biopharmaceutical company focused on developing combination therapies for cancer. Under his leadership, the company is advancing its pipeline, including notable candidates like revumenib and axatilimab.…
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 6 open-market sales ($4.08M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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