Based on data from the past 90 days ending January 09, 2026, Syndax Pharmaceuticals's three largest insider shareholders are Chief Executive Officer Michael A Metzger (298.66K shares), Director Dennis Podlesak (191.76K shares), Director Keith Katkin (100.00K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Michael A Metzger | Chief Executive Officer | 298,661 | 08 Sep, 2025 |
| Dennis Podlesak | 191,763 | 18 Aug, 2025 | |
| Keith Katkin | 100,000 | 19 May, 2025 | |
| Keith A. Goldan | Chief Financial Officer | 92,452 | 01 Dec, 2025 |
| Pierre Legault | 90,000 | 07 Feb, 2025 | |
| William Meury | 90,000 | 07 Feb, 2025 | |
| Jennifer Jarrett | 90,000 | 07 Feb, 2025 | |
| Neil Gallagher | President And Head Of R&D | 85,095 | 12 Feb, 2025 |
| Martin H. Jr. Huber | 79,000 | 19 May, 2025 | |
| Nicholas A.J. Botwood | Head Of R&D And Cmo | 35,165 | 19 May, 2025 |
| Briggs Morrison | 34,836 | 09 Feb, 2024 | |
| Fabrice Egros | 32,000 | 03 Feb, 2022 | |
| Aleksandra Rizo | 25,000 | 07 Feb, 2025 | |
| Michael L. Meyers | Svp And Chief Medical Officer | 23,280 | 03 Feb, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 01 Dec, 2025 | Keith A. Goldan | Common Stock | D | 1,224 | $0.00 | 92,452 | D | G |
| 08 Sep, 2025 | Michael A Metzger | Common Stock | D | 157,307 | $16.41 | 298,661 | D | S |
| 08 Sep, 2025 | Michael A Metzger | - | - | 298,661 | D | |||
| 08 Sep, 2025 | Michael A Metzger | Common Stock | A | 157,307 | $10.90 | 455,968 | D | M |
| 18 Aug, 2025 | Dennis Podlesak | Common Stock | A | 19,200 | $7.20 | 210,963 | D | M |
| 18 Aug, 2025 | Dennis Podlesak | - | - | 210,963 | D | |||
| 18 Aug, 2025 | Dennis Podlesak | - | - | 191,763 | D | |||
| 18 Aug, 2025 | Dennis Podlesak | Common Stock | D | 19,200 | $15.84 | 191,763 | D | S |
| 15 Aug, 2025 | Dennis Podlesak | - | - | 191,763 | D | |||
| 15 Aug, 2025 | Dennis Podlesak | - | - | 210,963 | D | |||
| 15 Aug, 2025 | Dennis Podlesak | Common Stock | A | 19,200 | $7.20 | 210,963 | D | M |
| 15 Aug, 2025 | Dennis Podlesak | Common Stock | D | 19,200 | $15.54 | 191,763 | D | S |
| 14 Aug, 2025 | Dennis Podlesak | Common Stock | D | 19,200 | $14.19 | 191,763 | D | S |
| 14 Aug, 2025 | Dennis Podlesak | - | - | 210,963 | D | |||
| 14 Aug, 2025 | Dennis Podlesak | - | - | 191,763 | D | |||
| 14 Aug, 2025 | Dennis Podlesak | Common Stock | A | 19,200 | $7.20 | 210,963 | D | M |
| 31 Jul, 2025 | Keith A. Goldan | Common Stock | A | 1,226 | $8.43 | 93,676 | D | J |
| 16 Jul, 2025 | Keith A. Goldan | Common Stock | D | 1,296 | $9.28 | 92,450 | D | S |
| 16 Jul, 2025 | Michael A Metzger | - | - | 298,661 | D | |||
| 16 Jul, 2025 | Michael A Metzger | Common Stock | D | 7,534 | $9.28 | 298,661 | D | S |