Mastrocola Lauren — SEC Form 4 filings
SEC reporting owner CIK 1827639. 14 Form 4 filings on record with FilingPulse; latest filed 2026-05-19.
Transaction summary — filings shown
Covers all 14 filings on record, filed 2024-01-09 to 2026-05-19. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 3 legs across 2 filings — 18,788 shares, $3,036,562 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 33.
- Largest priced transaction: sale of 11,455 shares @ $191.96 ($2,198,879) in Praxis Precision Medicines, Inc., filed 2025-11-21.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Praxis Precision Medicines, Inc. (PRAX) | Principal Accounting Officer | 14 | — | 3 legs · 18,788 sh · $3,036,562 | 33 |
Form 4 filings — Mastrocola Lauren
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-05-19 | 4 | Praxis Precision Medicines, Inc. (PRAX) | Grant/award (A): 127 @ $167.94 | EDGAR |
| 2026-01-13 | 4 | Praxis Precision Medicines, Inc. (PRAX) | Tax withholding (F): 344 @ $275.74 | EDGAR |
| 2026-01-12 | 4 | Praxis Precision Medicines, Inc. (PRAX) | Grant/award (A): 3,750 @ $0 · Tax withholding (F): 367 @ $288.45 · Grant/award (A): 7,500 (derivative) @ $0 | EDGAR |
| 2026-01-09 | 4 | Praxis Precision Medicines, Inc. (PRAX) | Tax withholding (F): 35 @ $292.63 | EDGAR |
| 2025-11-21 | 4 | Praxis Precision Medicines, Inc. (PRAX) | Option exercise (M): 1,047 @ $49.50 · Option exercise (M): 508 @ $83.85 · Option exercise (M): 1,557 @ $133.65 · Option exercise (M): 2,680 @ $43.37 · Option exercise (M): 207 @ $44.40 · Option exercise (M): 2,351 @ $44.40 · +10 more | EDGAR |
| 2025-02-14 | 4 | Praxis Precision Medicines, Inc. (PRAX) | Tax withholding (F): 40 @ $85.40 | EDGAR |
| 2025-01-14 | 4 | Praxis Precision Medicines, Inc. (PRAX) | Grant/award (A): 5,000 @ $0 · Tax withholding (F): 390 @ $63.15 · Grant/award (A): 10,000 (derivative) @ $0 | EDGAR |
| 2025-01-08 | 4 | Praxis Precision Medicines, Inc. (PRAX) | Tax withholding (F): 35 @ $77.52 | EDGAR |
| 2024-11-19 | 4 | Praxis Precision Medicines, Inc. (PRAX) | Grant/award (A): 294 @ $37.40 | EDGAR |
| 2024-11-15 | 4 | Praxis Precision Medicines, Inc. (PRAX) | Option exercise (M): 4,374 @ $56.94 · Sale (S): 5,188.34 @ $81.78 · Option exercise (M): 4,374 (derivative) @ $0 | EDGAR |
| 2024-07-31 | 4 | Praxis Precision Medicines, Inc. (PRAX) | Grant/award (A): 4,500 @ $0 · Grant/award (A): 21,000 (derivative) @ $0 | EDGAR |
| 2024-02-14 | 4 | Praxis Precision Medicines, Inc. (PRAX) | Tax withholding (F): 48 @ $44.65 | EDGAR |
| 2024-01-17 | 4 | Praxis Precision Medicines, Inc. (PRAX) | Grant/award (A): 12,000 (derivative) @ $0 | EDGAR |
| 2024-01-09 | 4 | Praxis Precision Medicines, Inc. (PRAX) | Tax withholding (F): 35 @ $25.19 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-09 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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