Mastrocola Lauren's Form 4 filing
Praxis Precision Medicines, Inc. (PRAX) · filed Nov 21, 2025
- Accession no.
- 0001104659-25-115098
- Filed
- Nov 21, 2025
- Trade date
- Nov 20, 2025
- Filing delay
- 1 day
- Rule 10b5-1 plan
- Not checked
This filing lists 9 non-derivative transactions and 7 derivative transactions. Open-market sales total $2.61M. It was filed 1 day after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Mastrocola LaurenCIK 0001827639 | Officer (Principal Accounting Officer) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Nov 20, 2025 | Common Stock | MOption exerciseAcquired | +1,047 | $49.50 | +$51,826.5 | 11,488.66 | Direct | |
| Nov 20, 2025 | Common Stock | MOption exerciseAcquired | +508 | $83.85 | +$42,595.8 | 11,996.66 | Direct | |
| Nov 20, 2025 | Common Stock | MOption exerciseAcquired | +1,557 | $133.65 | +$208,093.05 | 13,553.66 | Direct | |
| Nov 20, 2025 | Common Stock | MOption exerciseAcquired | +2,680 | $43.37 | +$116,231.6 | 16,233.66 | Direct | |
| Nov 20, 2025 | Common Stock | MOption exerciseAcquired | +207 | $44.40 | +$9,190.8 | 16,440.66 | Direct | |
| Nov 20, 2025 | Common Stock | MOption exerciseAcquired | +2,351 | $44.40 | +$104,384.4 | 18,791.66 | Direct | |
| Nov 20, 2025 | Common Stock | MOption exerciseAcquired | +5,250 | $56.94 | +$298,935 | 24,041.66 | Direct | |
| Nov 20, 2025 | Common Stock | SSaleDisposed | −11,455 | $191.96F1 | −$2,198,901.8 | 12,586.66 | Direct | |
| Nov 20, 2025 | Common Stock | SSaleDisposed | −2,145 | $192.71F2 | −$413,362.95 | 10,441.66 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Nov 20, 2025 | Common Stock | MOption exerciseDisposed | −1,047 | $0.00 | $0 | 0 | Direct | |
| Nov 20, 2025 | Common Stock | MOption exerciseDisposed | −508 | $0.00 | $0 | 0 | Direct | |
| Nov 20, 2025 | Common Stock | MOption exerciseDisposed | −1,557 | $0.00 | $0 | 0 | Direct | |
| Nov 20, 2025 | Common Stock | MOption exerciseDisposed | −2,680 | $0.00 | $0 | 9,320 | Direct | |
| Nov 20, 2025 | Common Stock | MOption exerciseDisposed | −207 | $0.00 | $0 | 0 | Direct | |
| Nov 20, 2025 | Common Stock | MOption exerciseDisposed | −2,351 | $0.00 | $0 | 981 | Direct | |
| Nov 20, 2025 | Common Stock | MOption exerciseDisposed | −5,250 | $0.00 | $0 | 11,376 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F1
The price reported is a weighted average price. The securities were sold in multiple transactions at per share prices ranging from $191.500 to $192.432. The Reporting Person undertakes to provide upon request from the SEC staff, the Issuer, or any shareholder of the Issuer, full information regarding the number of securities sold at each separate price within the range set forth in this footnote.
Referenced by the price of 1 transaction in Table I.
- F2
The price reported is a weighted average price. The securities were sold in multiple transactions at per share prices ranging from $192.552 to $193.109. The Reporting Person undertakes to provide upon request from the SEC staff, the Issuer, or any shareholder of the Issuer, full information regarding the number of securities sold at each separate price within the range set forth in this footnote.
Referenced by the price of 1 transaction in Table I.
Remarks
The transactions reported in this Form 4 were effected for estate planning purposes.