SNDX Syndax Pharmaceuticals Inc
Nasdaq · SEC CIK 1395937 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $2.75M 8 sales by 3 insiders
- Filings on record
- 121 since 2021-08-20, latest 2026-07-09 16:54
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Metzger Michael A | CEO, Dir | — | $1.43M |
| Botwood Nicholas A.J. | CMO, Head of R, D | — | $1.18M |
| Goldan Keith A. | CFO | — | $137.0K |
| Rizo Aleksandra | Dir | — | — |
| Jarrett Jennifer | Dir | — | — |
| Huber Martin H. Jr. | Dir | — | — |
| Legault Pierre | Dir | — | — |
| Katkin Keith | Dir | — | — |
| Podlesak Dennis | Dir | — | — |
Transactions 158
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-07-09 16:54 | 2026-07-08 | SNDX | Metzger Michael A | CEO, Dir | M - OptEx | $6.38 | +32.4K | 517.2K | +7% | +$206.6K |
| DT | 2026-07-09 16:54 | 2026-07-08 | SNDX | Metzger Michael A | CEO, Dir | S - Sale+OE | $24.24 | -32.4K | 484.8K | -6% | -$784.8K |
| DMT | 2026-06-12 17:09 | 2026-06-11+ | SNDX | Botwood Nicholas A.J. | CMO, Head of R, D | M - OptEx | $13.82 | +53.8K | 92.1K | +140% | +$742.8K |
| DMT | 2026-06-12 17:09 | 2026-06-11+ | SNDX | Botwood Nicholas A.J. | CMO, Head of R, D | S - Sale+OE | $18.07 | -65.5K | 60.9K | -52% | -$1.18M |
| 2026-06-02 16:30 | 2026-06-01 | SNDX | Goldan Keith A. | CFO | S - Sale | $18.99 | -1,177 | 139.3K | -0.8% | -$22.4K | |
| 2026-06-02 16:30 | 2026-06-01 | SNDX | Metzger Michael A | CEO, Dir | S - Sale | $18.99 | -6,847 | 484.8K | -1% | -$130.0K | |
| 2026-02-10 | 2026-02-09 | SNDX | Goldan Keith A. | CFO | S - Sale | $21.03 | -3,410 | 140.4K | -2% | -$71.7K | |
| 2026-02-10 | 2026-02-09 | SNDX | Metzger Michael A | CEO, Dir | S - Sale | $21.03 | -17.2K | 491.7K | -3% | -$360.9K | |
| 2026-02-06 | 2026-02-04 | SNDX | Huber Martin H. Jr. | Dir | A - Grant | $0.00 | +24.0K | 103.0K | +30% | $0 | |
| 2026-02-06 | 2026-02-04 | SNDX | Legault Pierre | Dir | A - Grant | $0.00 | +24.0K | 114.0K | +27% | $0 | |
| 2026-02-06 | 2026-02-04 | SNDX | Rizo Aleksandra | Dir | A - Grant | $0.00 | +24.0K | 49.0K | +96% | $0 | |
| D | 2026-02-06 | 2026-01-30 | SNDX | Goldan Keith A. | CFO | J - Other | $8.48 | +1,219 | 93.7K | +1% | +$10.3K |
| D | 2026-02-06 | 2026-02-06 | SNDX | Goldan Keith A. | CFO | S - Sale | $20.62 | -2,082 | 143.8K | -1% | -$42.9K |
| DM | 2026-02-06 | 2026-02-04 | SNDX | Goldan Keith A. | CFO | A - Grant | $0.00 | +52.2K | 115.2K | +83% | $0 |
| 2026-02-06 | 2026-02-04 | SNDX | Jarrett Jennifer | Dir | A - Grant | $0.00 | +24.0K | 114.0K | +27% | $0 | |
| DM | 2026-02-06 | 2026-02-04 | SNDX | Botwood Nicholas A.J. | CMO, Head of R, D | A - Grant | $0.00 | +60.0K | 59.2K | New | $0 |
| DM | 2026-02-06 | 2026-02-04 | SNDX | Metzger Michael A | CEO, Dir | A - Grant | $0.00 | +217.6K | 516.3K | +73% | $0 |
| D | 2026-02-06 | 2026-02-06 | SNDX | Metzger Michael A | CEO, Dir | S - Sale | $20.62 | -7,412 | 508.8K | -1% | -$152.8K |
| 2026-02-06 | 2026-02-04 | SNDX | Podlesak Dennis | Dir | A - Grant | $0.00 | +48.0K | 239.8K | +25% | $0 | |
| 2026-02-06 | 2026-02-04 | SNDX | Katkin Keith | Dir | A - Grant | $0.00 | +24.0K | 124.0K | +24% | $0 | |
| 2025-12-01 | 2025-12-01 | SNDX | Goldan Keith A. | CFO | G - Gift | $0.00 | -1,224 | 92.5K | -1% | $0 | |
| DT | 2025-09-08 | 2025-09-08 | SNDX | Metzger Michael A | CEO, Dir | S - Sale+OE | $16.41 | -157.3K | 298.7K | -34% | -$2.58M |
| DT | 2025-09-08 | 2025-09-08 | SNDX | Metzger Michael A | CEO, Dir | M - OptEx | $10.90 | +157.3K | 456.0K | +53% | +$1.71M |
| DMT | 2025-08-18 | 2025-08-14+ | SNDX | Podlesak Dennis | Dir | S - Sale+OE | $15.19 | -57.6K | 191.8K | -23% | -$874.9K |
| DMT | 2025-08-18 | 2025-08-14+ | SNDX | Podlesak Dennis | Dir | M - OptEx | $7.20 | +57.6K | 211.0K | +38% | +$414.7K |
| 2025-08-07 | 2025-07-31 | SNDX | Goldan Keith A. | CFO | J - Other | $8.43 | +1,226 | 93.7K | +1% | +$10.3K | |
| 2025-07-18 | 2025-07-16 | SNDX | Metzger Michael A | CEO, Dir | S - Sale | $9.29 | -7,534 | 298.7K | -2% | -$70.0K | |
| 2025-07-18 | 2025-07-16 | SNDX | Goldan Keith A. | CFO | S - Sale | $9.29 | -1,296 | 92.5K | -1% | -$12.0K | |
| 2025-05-19 | 2025-05-16 | SNDX | Botwood Nicholas A.J. | CMO, Head of R, D | P - Purchase | $9.00 | +11.8K | 35.2K | +50% | +$105.9K | |
| 2025-05-19 | 2025-05-19 | SNDX | Huber Martin H. Jr. | Dir | P - Purchase | $8.99 | +5,000 | 79.0K | +7% | +$45.0K | |
| 2025-05-19 | 2025-05-19 | SNDX | Goldan Keith A. | CFO | P - Purchase | — | +3,000 | 93.7K | +3% | — | |
| 2025-05-19 | 2025-05-19 | SNDX | Katkin Keith | Dir | P - Purchase | $9.11 | +10.0K | 100.0K | +11% | +$91.1K | |
| D | 2025-03-17 | 2025-03-14 | SNDX | Metzger Michael A | CEO, Dir | M - OptEx | $7.20 | +6,074 | 306.2K | +2% | +$43.7K |
| DT | 2025-03-06 | 2025-03-04 | SNDX | Metzger Michael A | CEO, Dir | S - Sale+OE | $15.05 | -7,814 | 300.1K | -3% | -$117.6K |
| DT | 2025-03-06 | 2025-03-04 | SNDX | Metzger Michael A | CEO, Dir | M - OptEx | $7.20 | +7,814 | 307.9K | +3% | +$56.3K |
| 2025-02-12 | 2025-02-10 | SNDX | Goldan Keith A. | CFO | S - Sale | $15.50 | -3,777 | 90.7K | -4% | -$58.5K | |
| 2025-02-12 | 2025-02-10 | SNDX | Metzger Michael A | CEO, Dir | S - Sale | $15.50 | -13.3K | 300.1K | -4% | -$206.0K | |
| 2025-02-12 | 2025-02-10 | SNDX | Gallagher Neil | Pres, Head of R, D | S - Sale | $15.50 | -4,618 | 85.1K | -5% | -$71.6K | |
| DM | 2025-02-07 | 2025-02-05 | SNDX | Goldan Keith A. | CFO | A - Grant | $0.00 | +41.9K | 94.5K | +80% | $0 |
| 2025-02-07 | 2025-02-05 | SNDX | Rizo Aleksandra | Dir | A - Grant | $0.00 | +25.0K | 25.0K | New | $0 | |
| 2025-02-07 | 2025-02-05 | SNDX | Huber Martin H. Jr. | Dir | A - Grant | $0.00 | +25.0K | 74.0K | +51% | $0 | |
| 2025-02-07 | 2025-02-05 | SNDX | Podlesak Dennis | Dir | A - Grant | $0.00 | +50.0K | 191.8K | +35% | $0 | |
| DM | 2025-02-07 | 2025-02-05 | SNDX | Metzger Michael A | CEO, Dir | A - Grant | $0.00 | +149.5K | 224.4K | +200% | $0 |
| DM | 2025-02-07 | 2025-02-05 | SNDX | Gallagher Neil | Pres, Head of R, D | A - Grant | $0.00 | +41.9K | 66.3K | +172% | $0 |
| 2025-02-07 | 2025-02-05 | SNDX | Katkin Keith | Dir | A - Grant | $0.00 | +25.0K | 90.0K | +38% | $0 | |
| 2025-02-07 | 2025-02-05 | SNDX | Meury William | Dir | A - Grant | $0.00 | +25.0K | 90.0K | +38% | $0 | |
| 2025-02-07 | 2025-02-05 | SNDX | Legault Pierre | Dir | A - Grant | $0.00 | +25.0K | 90.0K | +38% | $0 | |
| 2025-02-07 | 2025-02-05 | SNDX | Jarrett Jennifer | Dir | A - Grant | $0.00 | +25.0K | 90.0K | +38% | $0 | |
| 2024-06-17 | 2024-06-14 | SNDX | Goldan Keith A. | CFO | P - Purchase | $20.03 | +1,250 | 52.6K | +2% | +$25.0K | |
| 2024-02-09 | 2024-02-07 | SNDX | Podlesak Dennis | Dir | A - Grant | $0.00 | +34.0K | 141.8K | +32% | $0 | |
| DM | 2024-02-09 | 2024-02-07 | SNDX | Goldan Keith A. | CFO | A - Grant | $0.00 | +46.7K | 39.7K | New | $0 |
| DM | 2024-02-09 | 2023-07-31+ | SNDX | Goldan Keith A. | CFO | J - Other | $17.72 | +2,045 | 3,490 | +142% | +$36.2K |
| 2024-02-09 | 2024-02-07 | SNDX | Jarrett Jennifer | Dir | A - Grant | $0.00 | +17.0K | 65.0K | +35% | $0 | |
| 2024-02-09 | 2024-02-07 | SNDX | Meury William | Dir | A - Grant | $0.00 | +17.0K | 65.0K | +35% | $0 | |
| 2024-02-09 | 2024-02-07 | SNDX | Huber Martin H. Jr. | Dir | A - Grant | $0.00 | +17.0K | 49.0K | +53% | $0 | |
| DM | 2024-02-09 | 2024-02-07 | SNDX | Metzger Michael A | CEO, Dir | A - Grant | $0.00 | +146.2K | 163.9K | +828% | $0 |
| DM | 2024-02-09 | 2024-02-07 | SNDX | Gallagher Neil | Pres, Head of R, D | A - Grant | $0.00 | +47.8K | 47.8K | New | $0 |
| 2024-02-09 | 2024-02-07 | SNDX | Legault Pierre | Dir | A - Grant | $0.00 | +17.0K | 65.0K | +35% | $0 | |
| 2024-02-09 | 2024-02-07 | SNDX | Katkin Keith | Dir | A - Grant | $0.00 | +17.0K | 65.0K | +35% | $0 | |
| 2024-02-09 | 2024-02-07 | SNDX | Morrison Briggs | Dir | A - Grant | $0.00 | +17.0K | 34.8K | +95% | $0 | |
| DT | 2023-08-10 | 2023-08-09 | SNDX | Morrison Briggs | Dir | S - Sale+OE | $18.27 | -52.9K | 17.8K | -75% | -$965.7K |
| DT | 2023-08-10 | 2023-08-09 | SNDX | Morrison Briggs | Dir | M - OptEx | $8.77 | +52.9K | 70.7K | +296% | +$463.5K |
| DMT | 2023-08-03 | 2023-08-02 | SNDX | Meury William | Dir | S - Sale+OE | $20.46 | -83.0K | 48.0K | -63% | -$1.70M |
| DMT | 2023-08-03 | 2023-08-02 | SNDX | Meury William | Dir | M - OptEx | $8.02 | +83.0K | 72.0K | New | +$665.2K |
| DT | 2023-07-11 | 2023-07-10 | SNDX | Morrison Briggs | Dir | S - Sale+OE | $20.40 | -52.9K | 17.8K | -75% | -$1.08M |
| DT | 2023-07-11 | 2023-07-10 | SNDX | Morrison Briggs | Dir | M - OptEx | $8.77 | +52.9K | 70.7K | +296% | +$463.5K |
| 2023-06-14 | 2023-06-13 | SNDX | Goldan Keith A. | CFO | S - Sale | $22.31 | -577 | 2,628 | -18% | -$12.9K | |
| DMT | 2023-06-09 | 2023-06-09 | SNDX | Morrison Briggs | Dir | S - Sale+OE | $21.18 | -52.9K | 46.1K | -53% | -$1.12M |
| DMT | 2023-06-09 | 2023-06-09 | SNDX | Morrison Briggs | Dir | M - OptEx | $7.66 | +52.9K | 70.7K | +296% | +$404.8K |
| DT | 2023-05-10 | 2023-05-09 | SNDX | Morrison Briggs | Dir | M - OptEx | $6.38 | +52.9K | 70.7K | +296% | +$337.2K |
| DT | 2023-05-10 | 2023-05-09 | SNDX | Morrison Briggs | Dir | S - Sale+OE | $21.41 | -52.9K | 17.8K | -75% | -$1.13M |
| DT | 2023-04-12 | 2023-04-10 | SNDX | Morrison Briggs | Dir | M - OptEx | $6.38 | +52.9K | 70.7K | +296% | +$337.2K |
| DT | 2023-04-12 | 2023-04-10 | SNDX | Morrison Briggs | Dir | S - Sale+OE | $19.53 | -52.9K | 17.8K | -75% | -$1.03M |
| D | 2023-03-14 | 2023-03-13 | SNDX | Morrison Briggs | Pres, Head of R, D, Dir | S - Sale+OE | $22.53 | -52.9K | 17.8K | -75% | -$1.19M |
| D | 2023-03-14 | 2023-03-13 | SNDX | Morrison Briggs | Pres, Head of R, D, Dir | M - OptEx | $6.38 | +52.9K | 70.7K | +296% | +$337.2K |
| DM | 2023-02-17 | 2023-02-15 | SNDX | Ordentlich Peter | CSO | M - OptEx | $6.95 | +25.0K | 17.4K | New | +$173.8K |
| DM | 2023-02-17 | 2023-02-15 | SNDX | Ordentlich Peter | CSO | S - Sale+OE | $25.84 | -25.0K | 0 | -100% | -$646.0K |
| D | 2023-02-08 | 2023-02-06 | SNDX | Morrison Briggs | Pres, Head of R, D, Dir | M - OptEx | $6.38 | +52.9K | 70.7K | +296% | +$337.2K |
| D | 2023-02-08 | 2023-02-06 | SNDX | Morrison Briggs | Pres, Head of R, D, Dir | S - Sale+OE | $26.83 | -52.9K | 17.8K | -75% | -$1.42M |
| D | 2023-02-08 | 2023-02-06 | SNDX | Metzger Michael A | CEO, Dir | S - Sale+OE | $27.64 | -5,959 | 17.7K | -25% | -$164.7K |
| D | 2023-02-08 | 2023-02-06 | SNDX | Metzger Michael A | CEO, Dir | M - OptEx | $6.38 | +5,959 | 23.6K | +34% | +$38.0K |
| 2023-02-03 | 2023-02-02 | SNDX | Meury William | Dir | A - Grant | $0.00 | +16.0K | 48.0K | +50% | $0 | |
| D | 2023-02-03 | 2023-02-01 | SNDX | Ordentlich Peter | CSO | S - Sale | $28.43 | -69 | 0 | -100% | -$1,962 |
| D | 2023-02-03 | 2023-01-31 | SNDX | Ordentlich Peter | CSO | J - Other | $17.32 | +69 | 69 | New | +$1,195 |
| 2023-02-03 | 2023-02-02 | SNDX | Katkin Keith | Dir | A - Grant | $0.00 | +16.0K | 48.0K | +50% | $0 | |
| 2023-02-03 | 2023-02-02 | SNDX | Legault Pierre | Dir | A - Grant | $0.00 | +16.0K | 48.0K | +50% | $0 | |
| 2023-02-03 | 2023-02-02 | SNDX | Jarrett Jennifer | Dir | A - Grant | $0.00 | +16.0K | 48.0K | +50% | $0 | |
| 2023-02-03 | 2023-02-02 | SNDX | Huber Martin H. Jr. | Dir | A - Grant | $0.00 | +16.0K | 32.0K | +100% | $0 | |
| 2023-02-03 | 2023-02-02 | SNDX | Podlesak Dennis | Dir | A - Grant | $0.00 | +32.0K | 107.8K | +42% | $0 | |
| DM | 2023-01-13 | 2023-01-12+ | SNDX | Legault Pierre | Dir | S - Sale+OE | $26.84 | -39.0K | 32.0K | -55% | -$1.05M |
| DM | 2023-01-13 | 2023-01-12+ | SNDX | Legault Pierre | Dir | M - OptEx | $11.05 | +39.0K | 37.0K | New | +$431.0K |
| DM | 2022-12-02 | 2022-12-01+ | SNDX | Ordentlich Peter | CSO | M - OptEx | $6.38 | +25.0K | 4,037 | New | +$159.4K |
| DM | 2022-12-02 | 2022-12-01+ | SNDX | Ordentlich Peter | CSO | S - Sale+OE | $25.04 | -25.0K | 265 | -99% | -$625.9K |
| DM | 2022-10-07 | 2022-10-06 | SNDX | Katkin Keith | Dir | M - OptEx | $8.20 | +29.9K | 52.8K | +131% | +$245.2K |
| DM | 2022-10-07 | 2022-10-06 | SNDX | Katkin Keith | Dir | S - Sale+OE | $25.90 | -29.9K | 32.0K | -48% | -$774.4K |
| D | 2022-10-07 | 2022-10-06 | SNDX | Metzger Michael A | CEO, Dir | S - Sale+OE | $25.29 | -16.2K | 17.7K | -48% | -$410.5K |
| D | 2022-10-07 | 2022-10-06 | SNDX | Metzger Michael A | CEO, Dir | M - OptEx | $8.77 | +16.2K | 33.9K | +92% | +$142.3K |
| DM | 2022-10-04 | 2022-09-30+ | SNDX | Metzger Michael A | CEO, Dir | M - OptEx | $8.77 | +33.8K | 20.5K | New | +$296.2K |
| DM | 2022-10-04 | 2022-09-30+ | SNDX | Metzger Michael A | CEO, Dir | S - Sale+OE | $25.02 | -33.8K | 17.7K | -66% | -$844.9K |
| DM | 2022-10-04 | 2022-09-30+ | SNDX | Katkin Keith | Dir | S - Sale+OE | $25.06 | -4,101 | 32.0K | -11% | -$102.8K |
Purchase Sale Sale after option exercise All abbreviations