Praxis Precision Medicines, Inc (PRAX) insider trading
Every open-market stock purchase and sale by Praxis Precision Medicines, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $44.3M over the last 12 months (4 sales). No open-market buys.
- Last insider buy: Jill DeSimone (Director), $25.4K, 2 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $44.3M (4 sales). Last close $333.12 on Jul 9, 2026.
Recent PRAX insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jul 8, 2026 | Marcio Souza (CEO) | Sold (not open market) | — |
| Jul 8, 2026 | Marcio Souza (CEO) | Sold (not open market) | — |
| Jun 24, 2026 | Jill DeSimone (Director) | Sold | $890K |
| Jun 24, 2026 | Jill DeSimone (Director) | Sold | $544K |
| Jun 24, 2026 | Jill DeSimone (Director) | Sold | $403K |
| Jun 24, 2026 | Jill DeSimone (Director) | Sold | $382K |
| Jun 24, 2026 | Jill DeSimone (Director) | Sold | $314K |
| Jun 24, 2026 | Jill DeSimone (Director) | Sold | $309K |
| Jun 24, 2026 | Jill DeSimone (Director) | Sold | $264K |
| Jun 24, 2026 | Jill DeSimone (Director) | Sold | $210K |
| Jun 24, 2026 | Jill DeSimone (Director) | Sold | $158K |
| Jun 24, 2026 | Jill DeSimone (Director) | Sold | $97.7K |
| Jun 24, 2026 | Jill DeSimone (Director) | Sold | $36.4K |
| Jun 24, 2026 | Jill DeSimone (Director) | Sold | $3K |
| Jun 24, 2026 | Jill DeSimone (Director) | Bought (not open market) | — |
| Jun 24, 2026 | Jill DeSimone (Director) | Bought (not open market) | — |
| Jun 10, 2026 | William D Young (Director) | Bought (not open market) | — |
| Jun 10, 2026 | Jeffrey Chodakewitz (Director) | Bought (not open market) | — |
| Jun 10, 2026 | Dean J Mitchell (Director) | Bought (not open market) | — |
| Jun 10, 2026 | Merit Ester Cudkowicz (Director) | Bought (not open market) | — |
| Jun 10, 2026 | Gregory Norden (Director) | Bought (not open market) | — |
| Jun 10, 2026 | Merit Ester Cudkowicz (Director) | Bought (not open market) | — |
| Jun 10, 2026 | Jill DeSimone (Director) | Bought (not open market) | — |
| Jun 10, 2026 | Jill DeSimone (Director) | Bought (not open market) | — |
| Jun 10, 2026 | Jeffrey B Kindler (Director) | Bought (not open market) | — |
Who's trading PRAX
- Marcio Souza, CEO: other filings, last Jul 8, 2026
- Jill DeSimone, Director: sold $3.6M (12 sales), last Jun 24, 2026
- Jeffrey Chodakewitz, Director: other filings, last Jun 10, 2026
- Merit Ester Cudkowicz, Director: other filings, last Jun 10, 2026
- Jeffrey B Kindler, Director: other filings, last Jun 10, 2026
- Dean J Mitchell, Director: other filings, last Jun 10, 2026
- William D Young, Director: other filings, last Jun 10, 2026
- Stuart A Arbuckle, Director: other filings, last Jun 10, 2026
- Gregory Norden, Director: other filings, last Jun 10, 2026
- Alex Nemiroff, General Counsel: sold $4.9M (4 sales), last May 14, 2026
- Megan Sniecinski, COO: other filings, last May 14, 2026
- Timothy Edwin Kelly, CFO: other filings, last May 14, 2026
- Lauren Mastrocola, Officer: sold $2.6M (2 sales), last May 14, 2026
- Adage Capital Management L.P., 10% owner: sold $33.2M (10 sales), last Oct 16, 2025
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