Mastrocola Lauren (CIK 1827639) reported 15 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-19). Recent activity: Buy PRAX (127 shares), Sell PRAX (344 shares), Buy PRAX (3,750 shares), Sell PRAX (367 shares), Sell PRAX (35 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-19 | Praxis Precision Medicines, Inc. (PRAX) | Principal Accounting Officer | Buy | 127 | $21,329 |
| 2026-01-13 | Praxis Precision Medicines, Inc. (PRAX) | Principal Accounting Officer | Sell | 344 | $94,855 |
| 2026-01-12 | Praxis Precision Medicines, Inc. (PRAX) | Principal Accounting Officer | Buy | 3,750 | $0 |
| 2026-01-12 | Praxis Precision Medicines, Inc. (PRAX) | Principal Accounting Officer | Sell | 367 | $105,861 |
| 2026-01-09 | Praxis Precision Medicines, Inc. (PRAX) | Principal Accounting Officer | Sell | 35 | $10,242 |
| 2025-11-21 | Praxis Precision Medicines, Inc. (PRAX) | Principal Accounting Officer | Buy | 1,047 | $51,826 |
| 2025-11-21 | Praxis Precision Medicines, Inc. (PRAX) | Principal Accounting Officer | Buy | 508 | $42,596 |
| 2025-11-21 | Praxis Precision Medicines, Inc. (PRAX) | Principal Accounting Officer | Buy | 1,557 | $208,093 |
| 2025-11-21 | Praxis Precision Medicines, Inc. (PRAX) | Principal Accounting Officer | Buy | 2,680 | $116,232 |
| 2025-11-21 | Praxis Precision Medicines, Inc. (PRAX) | Principal Accounting Officer | Buy | 207 | $9,191 |
| 2025-11-21 | Praxis Precision Medicines, Inc. (PRAX) | Principal Accounting Officer | Buy | 2,351 | $104,384 |
| 2025-11-21 | Praxis Precision Medicines, Inc. (PRAX) | Principal Accounting Officer | Buy | 5,250 | $298,935 |
| 2025-11-21 | Praxis Precision Medicines, Inc. (PRAX) | Principal Accounting Officer | Sell | 11,455 | $2.2M |
| 2025-11-21 | Praxis Precision Medicines, Inc. (PRAX) | Principal Accounting Officer | Sell | 2,145 | $413,363 |
| 2025-02-14 | Praxis Precision Medicines, Inc. (PRAX) | Principal Accounting Officer | Sell | 40 | $3,416 |
Source: SEC Form 4 filings · as of 2026-05-19