Syndax Pharmaceuticals ($SNDX) Insider Trading & Smart Money Activity
Syndax Pharmaceuticals, Inc. ($SNDX) has 8 insider trades on file. In the last 12 months on the open market, no insider bought and 1 insider sold ($2.37M), net -$2.37M.
- Insider buyers (12 mo)
- 0
- Insider sellers (12 mo)
- 1
- Net insider $ (12 mo)
- -$2.37M
- Congress trades (12 mo)
- 0
- 13F moves on file
- 0
- Analyst ratings on file
- 0
SNDX insider buying and selling by quarter
| Quarter | Insider buys | Insider sales | Congress buys / sales | 13F added / cut |
|---|---|---|---|---|
| Q1 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q2 2026 | 0 | 4 · $2.37M | 0 / 0 | 0 / 0 |
| Q3 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q4 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.
All SNDX insider, congress, 13F and analyst activity
| Date | Source | Who | Action | Shares | Value / amount | ΔOwn | 1W | 1M | 6M | Filing | Story |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Insider | Botwood Nicholas A.J.Head of R&D, CMO | Sell (Open-market sale) 10b5-1 | 31.23K sh | $566.60K | +5.9% | +25.4% | Read | ||||
| Insider | Botwood Nicholas A.J.Head of R&D, CMO | Sell (Open-market sale) 10b5-1 | 31.23K sh | $566.60K | +5.9% | +25.4% | — | ||||
| Insider | Botwood Nicholas A.J.Head of R&D, CMO | Buy (Option exercise) | 31.23K sh | $431.67K | +5.9% | +25.4% | Read | ||||
| Insider | Botwood Nicholas A.J.Head of R&D, CMO | Buy (Option exercise) | 31.23K sh | $431.67K | +5.9% | +25.4% | — | ||||
| Insider | Botwood Nicholas A.J.Head of R&D, CMO | Sell (Open-market sale) 10b5-1 | 34.28K sh | $617.04K | +6.1% | +27.8% | Read | ||||
| Insider | Botwood Nicholas A.J.Head of R&D, CMO | Sell (Open-market sale) 10b5-1 | 34.28K sh | $617.04K | +6.1% | +27.8% | — | ||||
| Insider | Botwood Nicholas A.J.Head of R&D, CMO | Buy (Option exercise) | 22.52K sh | $311.16K | +6.1% | +27.8% | Read | ||||
| Insider | Botwood Nicholas A.J.Head of R&D, CMO | Buy (Option exercise) | 22.52K sh | $311.16K | +6.1% | +27.8% | — |
1W / 1M / 6M = how SNDX moved from the trade or filing date.
Insider trading in SNDX: who is buying and selling
| Insider | Role | Trades | Open-market net | Shares held | Last trade |
|---|---|---|---|---|---|
| Botwood Nicholas A.J. | Head of R&D, CMO | 8 | -$2.37M | Jun 12, 2026 |
Frequently asked questions
Are SNDX insiders buying or selling?
Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 1 insider made 4 open-market sales worth $2.37M, a net -$2.37M.
What is the latest insider trade in SNDX?
Botwood Nicholas A.J., Head of R&D, CMO filed a sell (open-market sale) of 31.23K sh worth $566.60K on Jun 12, 2026.
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Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.
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