Insider / Praxis Precision Medicines, Inc.
YOUNG WILLIAM D
Director at Praxis Precision Medicines, Inc.
YOUNG WILLIAM D, Director at Praxis Precision Medicines, Inc., has disclosed 2 transactions in PRAX since June 12, 2026: 0 purchases (0 open-market buys) and 0 sales, worth about $0 at the reported prices. The latest was filed June 12, 2026, 2 days after the trade.
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
In the last 12 months YOUNG WILLIAM D reported 2 transactions that were neither a purchase nor a sale, such as stock awards, option exercises or shares withheld for tax.
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| A | Grant or award | 2 | 2,019 | — |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 2 | 0 | 0 |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| PRAX | Other A | June 10, 2026 | June 12, 2026 | 2d | 648 | — | — | derivative | Form 4 ↗ | |
| PRAX | Other A | June 10, 2026 | June 12, 2026 | 2d | 1,371 | — | — | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| June 12, 2026 | Form 4 | 0001689548-26-000062 | 2 | published | EDGAR ↗ |
Other insiders at Praxis Precision Medicines, Inc.
- Mastrocola Lauren Principal Accounting Officer 22 rows
- Nemiroff Alex General Counsel and Secretary 20 rows
- DeSimone Jill Director 18 rows
- Adage Capital Management, L.P. Insider 10 rows
- Souza Marcio Chief Executive Officer 8 rows
- Kelly Timothy Edwin Chief Financial Officer 7 rows
- Norden Gregory Director 7 rows
- Arbuckle Stuart A Director 5 rows
- KINDLER JEFFREY B Director 5 rows
- Sniecinski Megan Chief Operating Officer 5 rows
Everyone on file, with contracts and lobbying under the company's name: Praxis Precision Medicines, Inc..
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 1 | 2 | June 12, 2026 | June 12, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.