Praxis Precision Medicines, Inc.
Praxis Precision Medicines, Inc. (PRAX) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · PRAX · as of Jun 8, 2026
Activity summary
Buy transactions
0
P-Purchase only
Sell transactions
16
12 Months
Buy/Sell ratio
0.00
Buy/Sell (by trades)
Overall sentiment
Praxis Precision Medicines, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
PRAX insider buying and selling by quarter
PRAX insider selling · PRAX insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · PRAX ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
PRAX executive sell shares · PRAX board member insider trading · PRAX insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| May 14, 2026 | Mastrocola Lauren PAO | Award | 127 | $21K | Form 4 |
| May 14, 2026 | Nemiroff Alex General Counsel and Secretary | Award | 78 | $13K | Form 4 |
| May 14, 2026 | Kelly Timothy Edwin CFO | Award | 121 | $20K | Form 4 |
| May 14, 2026 | Sniecinski Megan COO | Award | 89 | $15K | Form 4 |
| May 14, 2026 | Souza Marcio CEO · Director | Award | 126 | $21K | Form 4 |
| Feb 6, 2026 | Arbuckle Stuart A Director | Award | 478 | — | Form 4 |
| Feb 6, 2026 | Arbuckle Stuart A Director | Award | 688 | — | Form 4 |
| Feb 6, 2026 | KINDLER JEFFREY B Director | Award | 478 | — | Form 4 |
| Feb 6, 2026 | KINDLER JEFFREY B Director | Award | 688 | — | Form 4 |
| Jan 12, 2026 | Mastrocola Lauren PAO | Other | 344 | $95K | Form 4 |
| Jan 12, 2026 | Sniecinski Megan COO | Other | 885 | $244K | Form 4 |
| Jan 12, 2026 | Nemiroff Alex General Counsel and Secretary | Other | 768 | $212K | Form 4 |
| Jan 12, 2026 | Kelly Timothy Edwin CFO | Other | 943 | $260K | Form 4 |
| Jan 8, 2026 | Mastrocola Lauren PAO | Award | 3,750 | — | Form 4 |
| Jan 10, 2026 | Mastrocola Lauren PAO | Other | 367 | $106K | Form 4 |
| Jan 8, 2026 | Sniecinski Megan COO | Award | 9,625 | — | Form 4 |
| Jan 10, 2026 | Sniecinski Megan COO | Other | 1,087 | $314K | Form 4 |
| Jan 8, 2026 | Nemiroff Alex General Counsel and Secretary | Award | 6,875 | — | Form 4 |
| Jan 10, 2026 | Nemiroff Alex General Counsel and Secretary | Other | 917 | $265K | Form 4 |
| Jan 8, 2026 | Kelly Timothy Edwin CFO | Award | 8,800 | — | Form 4 |
| Jan 10, 2026 | Kelly Timothy Edwin CFO | Other | 1,335 | $385K | Form 4 |
| Jan 8, 2026 | Souza Marcio CEO · Director | Award | 27,640 | — | Form 4 |
| Jan 10, 2026 | Souza Marcio CEO · Director | Other | 4,252 | $1.23M⚡ | Form 4 |
| Jan 7, 2026 | Mastrocola Lauren PAO | Other | 35 | $10K | Form 4 |
| Jan 7, 2026 | Nemiroff Alex General Counsel and Secretary | Other | 89 | $26K | Form 4 |
Nemiroff Alex
General Counsel and Secretary
Date
May 14
Shares
78
Price
$167.94
Value
$13K
Nemiroff Alex
General Counsel and Secretary
Date
Jan 12
Shares
768
Price
$275.74
Value
$212K
Nemiroff Alex
General Counsel and Secretary
Date
Jan 8
Shares
6,875
Price
—
Value
—
Nemiroff Alex
General Counsel and Secretary
Date
Jan 10
Shares
917
Price
$288.45
Value
$265K
Nemiroff Alex
General Counsel and Secretary
Date
Jan 7
Shares
89
Price
$292.63
Value
$26K
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About PRAX insider trading
PRAX insider trades
Praxis Precision Medicines, Inc. (PRAX) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Mastrocola Lauren (PAO), Nemiroff Alex (General Counsel and Secretary), Adage Capital Management, L.P. (10 percent owner). Over the past 12 months, 5 insiders have filed transactions with the SEC. PRAX insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Praxis Precision Medicines, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
PRAX insider trading · 5 questionsThe insiders of Praxis Precision Medicines, Inc. (PRAX) include executives and directors such as Mastrocola Lauren (PAO), Nemiroff Alex (General Counsel and Secretary), Adage Capital Management, L.P. (10 percent owner), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026