Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2025-11-20 Sale | 2025-11-21 9:41 pm | Praxis Precision Medicines Inc. | PRAX | Nemiroff Alex General Counsel and Secretary | 25,130 | $193.09 | $4,852,256 | 42,896 (Direct) | View |
| 2025-11-20 Sale | 2025-11-21 9:39 pm | Praxis Precision Medicines Inc. | PRAX | Mastrocola Lauren Principal Accounting Officer | 13,600 | $192.08 | $2,612,244 | 32,119 (Direct) | View |
| 2025-10-16 Sale | 2025-10-17 4:10 pm | Praxis Precision Medicines Inc. | PRAX | Adage Capital Management L.P. Atchinson Robert Gross Phillip 10% Owner | 313,910 | $105.76 | $33,198,124 | 2,060,175 (Indirect) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-01-12 Tax Withholding | 2026-01-13 8:20 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Mastrocola Lauren Principal Accounting Officer | 344 | $275.74 | 13,446 (Direct) | View |
| 2026-01-12 Tax Withholding | 2026-01-13 8:19 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Sniecinski Megan Chief Operating Officer | 885 | $275.74 | 28,530 (Direct) | View |
| 2026-01-12 Tax Withholding | 2026-01-13 8:19 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Nemiroff Alex General Counsel and Secretary | 768 | $275.74 | 25,933 (Direct) | View |
| 2026-01-12 Tax Withholding | 2026-01-13 8:18 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Kelly Timothy Edwin Chief Financial Officer | 943 | $275.74 | 31,046 (Direct) | View |
| 2026-01-10 Tax Withholding | 2026-01-12 5:51 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Mastrocola Lauren Principal Accounting Officer | 367 | $288.45 | 21,290 (Direct) | View |
| 2026-01-08 Option Award | 2026-01-12 5:51 pm | N/A 2036-01-08 | Praxis Precision Medicines Inc. | PRAX | Mastrocola Lauren Principal Accounting Officer | 11,250 | $0 | 21,290 (Direct) | View |
| 2026-01-10 Tax Withholding | 2026-01-12 5:50 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Sniecinski Megan Chief Operating Officer | 1,087 | $288.45 | 37,115 (Direct) | View |
| 2026-01-08 Option Award | 2026-01-12 5:50 pm | N/A 2036-01-08 | Praxis Precision Medicines Inc. | PRAX | Sniecinski Megan Chief Operating Officer | 17,325 | $0 | 37,115 (Direct) | View |
| 2026-01-10 Tax Withholding | 2026-01-12 5:49 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Nemiroff Alex General Counsel and Secretary | 917 | $288.45 | 32,201 (Direct) | View |
| 2026-01-08 Option Award | 2026-01-12 5:49 pm | N/A 2036-01-08 | Praxis Precision Medicines Inc. | PRAX | Nemiroff Alex General Counsel and Secretary | 12,375 | $0 | 32,201 (Direct) | View |
| 2026-01-10 Tax Withholding | 2026-01-12 5:49 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Kelly Timothy Edwin Chief Financial Officer | 1,335 | $288.45 | 39,029 (Direct) | View |
| 2026-01-08 Option Award | 2026-01-12 5:49 pm | N/A 2036-01-08 | Praxis Precision Medicines Inc. | PRAX | Kelly Timothy Edwin Chief Financial Officer | 15,840 | $0 | 39,029 (Direct) | View |
| 2026-01-10 Tax Withholding | 2026-01-12 5:48 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Souza Marcio Chief Executive Officer | 4,252 | $288.45 | 101,600 (Direct) | View |
| 2026-01-08 Option Award | 2026-01-12 5:48 pm | N/A 2036-01-08 | Praxis Precision Medicines Inc. | PRAX | Souza Marcio Chief Executive Officer | 49,750 | $0 | 101,600 (Direct) | View |
| 2026-01-07 Tax Withholding | 2026-01-09 4:47 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Mastrocola Lauren Principal Accounting Officer | 35 | $292.63 | 10,407 (Direct) | View |
| 2026-01-07 Tax Withholding | 2026-01-09 4:47 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Nemiroff Alex General Counsel and Secretary | 89 | $292.63 | 20,743 (Direct) | View |
| 2026-01-07 Tax Withholding | 2026-01-09 4:47 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Kelly Timothy Edwin Chief Financial Officer | 139 | $292.63 | 24,524 (Direct) | View |
| 2026-01-07 Tax Withholding | 2026-01-09 4:46 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Souza Marcio Chief Executive Officer | 405 | $292.63 | 56,102 (Direct) | View |
Ownership | 2026-01-09 4:37 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Sniecinski Megan Chief Operating Officer | 0 | $0 | 132,596 (Direct) | View |
| 2025-12-30 Gift | 2025-12-31 7:17 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Souza Marcio Chief Executive Officer | 400 | $0 | 56,507 (Indirect) | View |
| 2025-11-14 Option Award | 2025-11-21 9:42 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Kelly Timothy Edwin Chief Financial Officer | 384 | $31.62 | 24,663 (Direct) | View |
| 2025-11-20 Exercise | 2025-11-21 9:41 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Nemiroff Alex General Counsel and Secretary | 1,714 | $83.85 | 42,896 (Direct) | View |
| 2025-11-20 Exercise | 2025-11-21 9:41 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Nemiroff Alex General Counsel and Secretary | 8,086 | $44.4 | 42,896 (Direct) | View |
| 2025-11-20 Exercise | 2025-11-21 9:41 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Nemiroff Alex General Counsel and Secretary | 9,100 | $56.94 | 42,896 (Direct) | View |
| 2025-11-20 Exercise | 2025-11-21 9:41 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Nemiroff Alex General Counsel and Secretary | 6,230 | $133.65 | 42,896 (Direct) | View |
| 2025-11-20 Exercise | 2025-11-21 9:41 pm | N/A 2030-06-04 | Praxis Precision Medicines Inc. | PRAX | Nemiroff Alex General Counsel and Secretary | 25,130 | $0 | 42,896 (Direct) | View |
| 2025-11-20 Exercise | 2025-11-21 9:39 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Mastrocola Lauren Principal Accounting Officer | 508 | $83.85 | 32,119 (Direct) | View |
| 2025-11-20 Exercise | 2025-11-21 9:39 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Mastrocola Lauren Principal Accounting Officer | 2,680 | $43.37 | 32,119 (Direct) | View |
| 2025-11-20 Exercise | 2025-11-21 9:39 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Mastrocola Lauren Principal Accounting Officer | 2,558 | $44.4 | 32,119 (Direct) | View |
| 2025-11-20 Exercise | 2025-11-21 9:39 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Mastrocola Lauren Principal Accounting Officer | 5,250 | $56.94 | 32,119 (Direct) | View |
| 2025-11-20 Exercise | 2025-11-21 9:39 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Mastrocola Lauren Principal Accounting Officer | 1,557 | $133.65 | 32,119 (Direct) | View |
| 2025-11-20 Exercise | 2025-11-21 9:39 pm | N/A 2029-09-23 | Praxis Precision Medicines Inc. | PRAX | Mastrocola Lauren Principal Accounting Officer | 13,600 | $0 | 32,119 (Direct) | View |
| 2025-11-20 Exercise | 2025-11-21 9:39 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Mastrocola Lauren Principal Accounting Officer | 1,047 | $49.5 | 32,119 (Direct) | View |
| 2025-09-24 Exercise | 2025-09-25 4:40 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | MITCHELL DEAN J Director | 1,932 | $14.36 | 26,018 (Direct) | View |
| 2025-09-24 Exercise | 2025-09-25 4:40 pm | N/A 2033-06-12 | Praxis Precision Medicines Inc. | PRAX | MITCHELL DEAN J Director | 12,251 | $0 | 26,018 (Direct) | View |
| 2025-09-24 Exercise | 2025-09-25 4:40 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | MITCHELL DEAN J Director | 8,566 | $44.25 | 26,018 (Direct) | View |
| 2025-09-24 Exercise | 2025-09-25 4:40 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | MITCHELL DEAN J Director | 1,753 | $44.04 | 26,018 (Direct) | View |
Ownership | 2025-08-19 4:10 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Adage Capital Management L.P. Atchinson Robert Gross Phillip 10% Owner | 0 | $0 | 2,374,085 (Indirect) | View |
| 2025-06-26 Option Award | 2025-06-27 4:55 pm | N/A 2035-06-26 | Praxis Precision Medicines Inc. | PRAX | MITCHELL DEAN J Director | 10,520 | $0 | 10,520 (Direct) | View |
| 2025-06-26 Option Award | 2025-06-27 4:55 pm | N/A 2035-06-26 | Praxis Precision Medicines Inc. | PRAX | YOUNG WILLIAM D Director | 10,520 | $0 | 10,520 (Direct) | View |
| 2025-06-26 Option Award | 2025-06-27 4:55 pm | N/A 2035-06-26 | Praxis Precision Medicines Inc. | PRAX | Norden Gregory Director | 10,520 | $0 | 10,520 (Direct) | View |
| 2025-06-26 Option Award | 2025-06-27 4:55 pm | N/A 2035-06-26 | Praxis Precision Medicines Inc. | PRAX | DeSimone Jill Director | 10,520 | $0 | 10,520 (Direct) | View |
| 2025-06-26 Option Award | 2025-06-27 4:54 pm | N/A 2035-06-26 | Praxis Precision Medicines Inc. | PRAX | Chodakewitz Jeffrey Director | 10,520 | $0 | 10,520 (Direct) | View |
| 2025-06-26 Option Award | 2025-06-27 4:54 pm | N/A 2035-06-26 | Praxis Precision Medicines Inc. | PRAX | Cudkowicz Merit Ester Director | 10,520 | $0 | 10,520 (Direct) | View |
| 2025-05-14 Option Award | 2025-05-19 4:57 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Souza Marcio Chief Executive Officer | 348 | $31.54 | 56,907 (Direct) | View |
| 2025-05-14 Option Award | 2025-05-19 4:55 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Kelly Timothy Edwin Chief Financial Officer | 249 | $31.54 | 24,279 (Direct) | View |
| 2025-02-12 Tax Withholding | 2025-02-14 4:29 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Nemiroff Alex General Counsel and Secretary | 51 | $85.4 | 20,832 (Direct) | View |
| 2025-02-12 Tax Withholding | 2025-02-14 4:29 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Mastrocola Lauren Principal Accounting Officer | 40 | $85.4 | 10,442 (Direct) | View |
| 2025-02-12 Tax Withholding | 2025-02-14 4:29 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Souza Marcio Chief Executive Officer | 401 | $85.4 | 56,559 (Direct) | View |
| 2025-01-12 Tax Withholding | 2025-01-14 6:51 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Mastrocola Lauren Principal Accounting Officer | 390 | $63.15 | 20,482 (Direct) | View |
| 2025-01-10 Option Award | 2025-01-14 6:51 pm | N/A 2035-01-10 | Praxis Precision Medicines Inc. | PRAX | Mastrocola Lauren Principal Accounting Officer | 15,000 | $0 | 20,482 (Direct) | View |
| 2025-01-10 Option Award | 2025-01-14 6:50 pm | N/A 2035-01-10 | Praxis Precision Medicines Inc. | PRAX | Souza Marcio Chief Executive Officer | 112,500 | $0 | 131,960 (Direct) | View |
| 2025-01-12 Tax Withholding | 2025-01-14 6:50 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Kelly Timothy Edwin Chief Financial Officer | 676 | $63.15 | 49,030 (Direct) | View |
| 2025-01-10 Option Award | 2025-01-14 6:50 pm | N/A 2035-01-10 | Praxis Precision Medicines Inc. | PRAX | Kelly Timothy Edwin Chief Financial Officer | 37,500 | $0 | 49,030 (Direct) | View |
| 2025-01-12 Tax Withholding | 2025-01-14 6:50 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Nemiroff Alex General Counsel and Secretary | 579 | $63.15 | 43,383 (Direct) | View |
| 2025-01-10 Option Award | 2025-01-14 6:50 pm | N/A 2035-01-10 | Praxis Precision Medicines Inc. | PRAX | Nemiroff Alex General Counsel and Secretary | 33,750 | $0 | 43,383 (Direct) | View |
| 2025-01-07 Tax Withholding | 2025-01-08 7:50 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Souza Marcio Chief Executive Officer | 434 | $77.52 | 19,460 (Direct) | View |
| 2025-01-07 Tax Withholding | 2025-01-08 7:50 pm | N/A N/A | Praxis Precision Medicines Inc. | PRAX | Mastrocola Lauren Principal Accounting Officer | 35 | $77.52 | 5,872 (Direct) | View |