PRAX Praxis Precision Medicines, Inc.
Nasdaq · SEC CIK 1689548 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- -$22.12M 4 sales by 4 insiders
- Filings on record
- 161 since 2021-07-07, latest 2026-07-08 16:56
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Nemiroff Alex | GC, Sec | — | $4.85M |
| DeSimone Jill | Dir | — | $3.61M |
| Mastrocola Lauren | Principal Accounting Off | — | $2.61M |
| Kelly Timothy Edwin | CFO | — | — |
| Cudkowicz Merit Ester | Dir | — | — |
| Sniecinski Megan | COO | — | — |
| Souza Marcio | CEO, Dir | — | — |
| Chodakewitz Jeffrey | Dir | — | — |
| Arbuckle Stuart A | Dir | — | — |
| Norden Gregory | Dir | — | — |
Transactions 130
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-08 16:56 | 2026-07-08 | PRAX | Souza Marcio | CEO, Dir | G - Gift | $0.00 | -20.5K | 56.5K | -27% | $0 | |
| I | 2026-07-08 16:56 | 2026-07-08 | PRAX | Souza Marcio | CEO, Dir | G - Gift | $0.00 | -2,600 | 0 | -100% | $0 |
| DMT | 2026-06-26 17:09 | 2026-06-24 | PRAX | DeSimone Jill | Dir | M - OptEx | $71.20 | +11.6K | 13.9K | +496% | +$826.0K |
| DMT | 2026-06-26 17:09 | 2026-06-24 | PRAX | DeSimone Jill | Dir | S - Sale+OE | $311.32 | -11.6K | 2,337 | -83% | -$3.61M |
| D | 2026-06-12 17:24 | 2026-06-10 | PRAX | Arbuckle Stuart A | Dir | A - Grant | $0.00 | +1,371 | 2,537 | +118% | $0 |
| D | 2026-06-12 17:24 | 2026-06-10 | PRAX | Chodakewitz Jeffrey | Dir | A - Grant | $0.00 | +1,371 | 1,371 | New | $0 |
| D | 2026-06-12 17:24 | 2026-06-10 | PRAX | YOUNG WILLIAM D | Dir | A - Grant | $0.00 | +1,371 | 3,269 | +72% | $0 |
| D | 2026-06-12 17:24 | 2026-06-10 | PRAX | DeSimone Jill | Dir | A - Grant | $0.00 | +1,371 | 2,337 | +142% | $0 |
| D | 2026-06-12 17:24 | 2026-06-10 | PRAX | Cudkowicz Merit Ester | Dir | A - Grant | $0.00 | +1,371 | 1,371 | New | $0 |
| D | 2026-06-12 17:23 | 2026-06-10 | PRAX | MITCHELL DEAN J | Dir | A - Grant | $0.00 | +1,371 | 18.6K | +8% | $0 |
| D | 2026-06-12 17:23 | 2026-06-10 | PRAX | KINDLER JEFFREY B | Dir | A - Grant | $0.00 | +1,371 | 2,537 | +118% | $0 |
| D | 2026-06-12 17:23 | 2026-06-10 | PRAX | Norden Gregory | Dir | A - Grant | $0.00 | +1,371 | 1,559 | +729% | $0 |
| 2026-05-19 21:45 | 2026-05-14 | PRAX | Mastrocola Lauren | Principal Accounting Off | A - Grant | $167.94 | +127 | 13.6K | +0.9% | +$21.3K | |
| 2026-05-19 21:45 | 2026-05-14 | PRAX | Nemiroff Alex | GC, Sec | A - Grant | $167.94 | +78 | 26.0K | +0.3% | +$13.1K | |
| 2026-05-19 21:44 | 2026-05-14 | PRAX | Kelly Timothy Edwin | CFO | A - Grant | $167.94 | +121 | 31.2K | +0.4% | +$20.3K | |
| 2026-05-19 21:43 | 2026-05-14 | PRAX | Sniecinski Megan | COO | A - Grant | $167.94 | +89 | 28.7K | +0.3% | +$14.9K | |
| 2026-05-19 21:42 | 2026-05-14 | PRAX | Souza Marcio | CEO, Dir | A - Grant | $167.94 | +126 | 77.0K | +0.2% | +$21.2K | |
| DM | 2026-02-10 | 2026-02-06 | PRAX | Arbuckle Stuart A | Dir | A - Grant | $0.00 | +1,166 | 1,166 | New | $0 |
| DM | 2026-02-10 | 2026-02-06 | PRAX | KINDLER JEFFREY B | Dir | A - Grant | $0.00 | +1,166 | 688 | New | $0 |
| 2026-01-13 | 2026-01-12 | PRAX | Kelly Timothy Edwin | CFO | F - Tax | $275.74 | -943 | 31.0K | -3% | -$260.0K | |
| 2026-01-13 | 2026-01-12 | PRAX | Mastrocola Lauren | Principal Accounting Off | F - Tax | $275.74 | -344 | 13.4K | -2% | -$94.9K | |
| 2026-01-13 | 2026-01-12 | PRAX | Nemiroff Alex | GC, Sec | F - Tax | $275.74 | -768 | 25.9K | -3% | -$211.8K | |
| 2026-01-13 | 2026-01-12 | PRAX | Sniecinski Megan | COO | F - Tax | $275.74 | -885 | 28.5K | -3% | -$244.0K | |
| D | 2026-01-12 | 2026-01-10 | PRAX | Souza Marcio | CEO, Dir | F - Tax | $288.45 | -4,252 | 76.9K | -5% | -$1.23M |
| D | 2026-01-12 | 2026-01-08 | PRAX | Souza Marcio | CEO, Dir | A - Grant | $0.00 | +27.6K | 81.1K | +52% | $0 |
| D | 2026-01-12 | 2026-01-08 | PRAX | Nemiroff Alex | GC, Sec | A - Grant | $0.00 | +6,875 | 27.6K | +33% | $0 |
| D | 2026-01-12 | 2026-01-10 | PRAX | Nemiroff Alex | GC, Sec | F - Tax | $288.45 | -917 | 26.7K | -3% | -$264.5K |
| D | 2026-01-12 | 2026-01-08 | PRAX | Sniecinski Megan | COO | A - Grant | $0.00 | +9,625 | 30.5K | +46% | $0 |
| D | 2026-01-12 | 2026-01-10 | PRAX | Sniecinski Megan | COO | F - Tax | $288.45 | -1,087 | 29.4K | -4% | -$313.5K |
| D | 2026-01-12 | 2026-01-08 | PRAX | Kelly Timothy Edwin | CFO | A - Grant | $0.00 | +8,800 | 33.3K | +36% | $0 |
| D | 2026-01-12 | 2026-01-10 | PRAX | Kelly Timothy Edwin | CFO | F - Tax | $288.45 | -1,335 | 32.0K | -4% | -$385.1K |
| D | 2026-01-12 | 2026-01-08 | PRAX | Mastrocola Lauren | Principal Accounting Off | A - Grant | $0.00 | +3,750 | 14.2K | +36% | $0 |
| D | 2026-01-12 | 2026-01-10 | PRAX | Mastrocola Lauren | Principal Accounting Off | F - Tax | $288.45 | -367 | 13.8K | -3% | -$105.9K |
| 2026-01-09 | 2026-01-07 | PRAX | Souza Marcio | CEO, Dir | F - Tax | $292.63 | -405 | 53.5K | -0.8% | -$118.5K | |
| 2026-01-09 | 2026-01-07 | PRAX | Mastrocola Lauren | Principal Accounting Off | F - Tax | $292.63 | -35 | 10.4K | -0.3% | -$10.2K | |
| 2026-01-09 | 2026-01-07 | PRAX | Nemiroff Alex | GC, Sec | F - Tax | $292.63 | -89 | 20.7K | -0.4% | -$26.0K | |
| 2026-01-09 | 2026-01-07 | PRAX | Kelly Timothy Edwin | CFO | F - Tax | $292.63 | -139 | 24.5K | -0.6% | -$40.7K | |
| I | 2025-12-31 | 2025-12-30 | PRAX | Souza Marcio | CEO, Dir | G - Gift | $0.00 | -400 | 2,600 | -13% | $0 |
| DM | 2025-11-21 | 2025-11-20 | PRAX | Nemiroff Alex | GC, Sec | S - Sale+OE | $193.08 | -25.1K | 44.2K | -36% | -$4.85M |
| DM | 2025-11-21 | 2025-11-20 | PRAX | Nemiroff Alex | GC, Sec | M - OptEx | $73.76 | +25.1K | 22.5K | New | +$1.85M |
| DM | 2025-11-21 | 2025-11-20 | PRAX | Mastrocola Lauren | Principal Accounting Off | S - Sale+OE | $192.08 | -13.6K | 12.6K | -52% | -$2.61M |
| DM | 2025-11-21 | 2025-11-20 | PRAX | Mastrocola Lauren | Principal Accounting Off | M - OptEx | $61.12 | +13.6K | 12.0K | New | +$831.3K |
| 2025-11-21 | 2025-11-14 | PRAX | Kelly Timothy Edwin | CFO | A - Grant | $31.62 | +384 | 24.7K | +2% | +$12.1K | |
| MI | 2025-10-17 | 2025-10-16 | PRAX | Gross Phillip | 10% | S - Sale | $105.76 | +313.9K | 2.08M | +18% | +$33.20M |
| DM | 2025-09-25 | 2025-09-24 | PRAX | MITCHELL DEAN J | Dir | M - OptEx | $39.51 | +12.3K | 6,932 | New | +$484.0K |
| 2025-05-19 | 2025-05-14 | PRAX | Kelly Timothy Edwin | CFO | A - Grant | $31.54 | +249 | 24.3K | +1% | +$7,853 | |
| 2025-05-19 | 2025-05-14 | PRAX | Souza Marcio | CEO, Dir | A - Grant | $31.54 | +348 | 53.9K | +0.6% | +$11.0K | |
| 2025-02-14 | 2025-02-12 | PRAX | Mastrocola Lauren | Principal Accounting Off | F - Tax | $85.40 | -40 | 10.4K | -0.4% | -$3,416 | |
| 2025-02-14 | 2025-02-12 | PRAX | Nemiroff Alex | GC, Sec | F - Tax | $85.40 | -51 | 20.8K | -0.2% | -$4,355 | |
| 2025-02-14 | 2025-02-12 | PRAX | Souza Marcio | CEO, Dir | F - Tax | $85.40 | -401 | 53.6K | -0.7% | -$34.2K | |
| D | 2025-01-14 | 2025-01-10 | PRAX | Kelly Timothy Edwin | CFO | A - Grant | $0.00 | +12.5K | 24.7K | +102% | $0 |
| D | 2025-01-14 | 2025-01-12 | PRAX | Kelly Timothy Edwin | CFO | F - Tax | $63.15 | -676 | 24.0K | -3% | -$42.7K |
| D | 2025-01-14 | 2025-01-12 | PRAX | Nemiroff Alex | GC, Sec | F - Tax | $63.15 | -579 | 20.9K | -3% | -$36.6K |
| D | 2025-01-14 | 2025-01-10 | PRAX | Nemiroff Alex | GC, Sec | A - Grant | $0.00 | +11.2K | 21.5K | +110% | $0 |
| D | 2025-01-14 | 2025-01-10 | PRAX | Souza Marcio | CEO, Dir | A - Grant | $0.00 | +37.5K | 54.0K | +228% | $0 |
| D | 2025-01-14 | 2025-01-10 | PRAX | Mastrocola Lauren | Principal Accounting Off | A - Grant | $0.00 | +5,000 | 10.9K | +85% | $0 |
| D | 2025-01-14 | 2025-01-12 | PRAX | Mastrocola Lauren | Principal Accounting Off | F - Tax | $63.15 | -390 | 10.5K | -4% | -$24.6K |
| 2025-01-08 | 2025-01-07 | PRAX | Mastrocola Lauren | Principal Accounting Off | F - Tax | $77.52 | -35 | 5,872 | -0.6% | -$2,713 | |
| 2025-01-08 | 2025-01-07 | PRAX | Kelly Timothy Edwin | CFO | F - Tax | $77.52 | -139 | 12.2K | -1% | -$10.8K | |
| 2025-01-08 | 2025-01-07 | PRAX | Souza Marcio | CEO, Dir | F - Tax | $77.52 | -434 | 16.5K | -3% | -$33.6K | |
| 2025-01-08 | 2025-01-07 | PRAX | Nemiroff Alex | GC, Sec | F - Tax | $77.52 | -89 | 10.2K | -0.9% | -$6,899 | |
| 2024-11-19 | 2024-11-14 | PRAX | Kelly Timothy Edwin | CFO | A - Grant | $37.40 | +205 | 12.3K | +2% | +$7,667 | |
| 2024-11-19 | 2024-11-14 | PRAX | Mastrocola Lauren | Principal Accounting Off | A - Grant | $37.40 | +294 | 5,907 | +5% | +$11.0K | |
| D | 2024-11-15 | 2024-11-14 | PRAX | Mastrocola Lauren | Principal Accounting Off | S - Sale+OE | $81.78 | -5,188 | 5,613 | -48% | -$424.3K |
| D | 2024-11-15 | 2024-11-14 | PRAX | Mastrocola Lauren | Principal Accounting Off | M - OptEx | $56.94 | +4,374 | 10.8K | +68% | +$249.1K |
| D | 2024-11-15 | 2024-11-14 | PRAX | Nemiroff Alex | GC, Sec | S - Sale+OE | $80.20 | -8,239 | 10.3K | -44% | -$660.8K |
| D | 2024-11-15 | 2024-11-14 | PRAX | Nemiroff Alex | GC, Sec | M - OptEx | $56.94 | +7,583 | 18.5K | +69% | +$431.8K |
| D | 2024-07-31 | 2024-07-29 | PRAX | Nemiroff Alex | GC, Sec | A - Grant | $0.00 | +7,800 | 11.0K | +247% | $0 |
| D | 2024-07-31 | 2024-07-29 | PRAX | Kelly Timothy Edwin | CFO | A - Grant | $0.00 | +7,800 | 12.1K | +180% | $0 |
| D | 2024-07-31 | 2024-07-29 | PRAX | Mastrocola Lauren | Principal Accounting Off | A - Grant | $0.00 | +4,500 | 6,427 | +234% | $0 |
| 2024-05-20 | 2024-05-14 | PRAX | Kelly Timothy Edwin | CFO | A - Grant | $12.37 | +606 | 4,340 | +16% | +$7,496 | |
| 2024-05-20 | 2024-05-14 | PRAX | Souza Marcio | CEO, Dir | A - Grant | $12.37 | +1,718 | 16.9K | +11% | +$21.3K | |
| 2024-02-14 | 2024-02-12 | PRAX | Mastrocola Lauren | Principal Accounting Off | F - Tax | $44.65 | -48 | 1,927 | -2% | -$2,143 | |
| 2024-02-14 | 2024-02-12 | PRAX | Souza Marcio | CEO, Dir | F - Tax | $44.65 | -271 | 15.2K | -2% | -$12.1K | |
| 2024-02-14 | 2024-02-12 | PRAX | Nemiroff Alex | GC, Sec | F - Tax | $44.65 | -51 | 3,157 | -2% | -$2,277 | |
| 2024-01-09 | 2024-01-07 | PRAX | Kelly Timothy Edwin | CFO | F - Tax | $25.19 | -139 | 3,734 | -4% | -$3,501 | |
| 2024-01-09 | 2024-01-07 | PRAX | Souza Marcio | CEO, Dir | F - Tax | $25.19 | -418 | 15.4K | -3% | -$10.5K | |
| 2024-01-09 | 2024-01-07 | PRAX | Mastrocola Lauren | Principal Accounting Off | F - Tax | $25.19 | -35 | 1,975 | -2% | -$881.65 | |
| 2024-01-09 | 2024-01-07 | PRAX | Nemiroff Alex | GC, Sec | F - Tax | $25.19 | -89 | 3,208 | -3% | -$2,242 | |
| 2023-10-10 | 2023-10-05 | PRAX | DeSimone Jill | Dir | P - Purchase | $1.75 | +14.5K | 14.5K | New | +$25.4K | |
| I | 2023-06-27 | 2023-06-27 | PRAX | Souza Marcio | CEO, Dir | P - Purchase | $1.06 | +10.0K | 45.0K | +29% | +$10.6K |
| 2023-05-18 | 2023-05-12 | PRAX | Kelly Timothy Edwin | CFO | A - Grant | $0.88 | +11.7K | 58.1K | +25% | +$10.3K | |
| 2023-05-18 | 2023-05-12 | PRAX | Souza Marcio | CEO, Dir | A - Grant | $0.88 | +11.7K | 238.0K | +5% | +$10.3K | |
| 2023-05-18 | 2023-05-12 | PRAX | Nemiroff Alex | GC, Sec | A - Grant | $0.88 | +11.7K | 49.5K | +31% | +$10.3K | |
| A | 2023-04-06 | 2023-03-24 | PRAX | Kelly Timothy Edwin | CFO | P - Purchase | $0.87 | +8,000 | 46.4K | +21% | +$6,960 |
| 2023-03-27 | 2023-03-24 | PRAX | Kelly Timothy Edwin | CFO | P - Purchase | $0.87 | -8,000 | 46.4K | -15% | -$6,960 | |
| 2023-03-27 | 2023-03-23 | PRAX | Souza Marcio | CEO, Dir | P - Purchase | $0.86 | +35.0K | 226.3K | +18% | +$30.1K | |
| I | 2023-03-27 | 2023-03-23 | PRAX | Souza Marcio | CEO, Dir | P - Purchase | $0.86 | +35.0K | 35.0K | New | +$30.1K |
| 2023-03-27 | 2023-03-24 | PRAX | MITCHELL DEAN J | Dir | P - Purchase | $0.84 | +50.0K | 75.0K | +200% | +$42.0K | |
| 2023-02-13 | 2023-02-12 | PRAX | Sweeny Nicole | Chief Commercial Off | F - Tax | $3.94 | -1,456 | 38.6K | -4% | -$5,737 | |
| 2023-02-13 | 2023-02-12 | PRAX | Mastrocola Lauren | Principal Accounting Off | F - Tax | $3.94 | -711 | 30.2K | -2% | -$2,801 | |
| 2023-02-13 | 2023-02-12 | PRAX | Nemiroff Alex | GC, Sec | F - Tax | $3.94 | -920 | 37.8K | -2% | -$3,625 | |
| 2023-01-09 | 2023-01-07 | PRAX | Mastrocola Lauren | Principal Accounting Off | F - Tax | $2.52 | -520 | 30.9K | -2% | -$1,310 | |
| 2023-01-09 | 2023-01-07 | PRAX | Nemiroff Alex | GC, Sec | F - Tax | $2.52 | -1,335 | 38.7K | -3% | -$3,364 | |
| 2023-01-09 | 2023-01-07 | PRAX | Sweeny Nicole | Chief Commercial Off | F - Tax | $2.52 | -2,079 | 40.1K | -5% | -$5,239 | |
| 2023-01-09 | 2023-01-07 | PRAX | Kelly Timothy Edwin | CFO | F - Tax | $2.52 | -2,079 | 38.4K | -5% | -$5,239 | |
| 2022-11-21 | 2022-11-14 | PRAX | Nemiroff Alex | GC, Sec | A - Grant | $1.81 | +682 | 40.0K | +2% | +$1,234 | |
| 2022-11-21 | 2022-11-14 | PRAX | Souza Marcio | CEO, Dir | A - Grant | $1.81 | +2,115 | 191.3K | +1% | +$3,828 | |
| 2022-11-21 | 2022-11-14 | PRAX | Kelly Timothy Edwin | CFO | A - Grant | $1.81 | +5 | 40.5K | +0.0% | +$9.05 | |
| 2022-06-21 | 2022-06-16 | PRAX | Mastrocola Lauren | Principal Accounting Off | P - Purchase | $1.93 | +3,000 | 31.4K | +11% | +$5,790 |
Purchase Sale Sale after option exercise All abbreviations