Form 4 for PRAX Praxis Precision Medicines, Inc.
Accepted 2026-01-12 00:00:00 ET · period of report 2026-01-08 · accession 0001689548-26-000014 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| D | 2026-01-12 | 2026-01-08 | PRAX | Mastrocola Lauren | Principal Accounting Off | A - Grant | $0.00 | +7,500 | 7,500 | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-01-08 | A | A | 3,750 | $0.00 | 14,156.66 | D | — | — | |
| 2 | Common | Common Stock | 2026-01-10 | F | D | 367 | $288.45 | 13,789.66 | D | — | — | |
| 3 | Derivative | Stock Option (Right to Buy) | 2026-01-08 | A | A | 7,500 | $0.00 | 7,500 | D | $294.38 · — to 2036-01-08 | 7,500 Common Stock | (F3) The shares underlying this stock option vest over a four-year period, with 25% vesting on January 8, 2027 and the remaining 75% vesting in 36 equal monthly installments thereafter, subject to the reporting person's continued service through each vesting date. |