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PRAX Insider Trading & Form 4 Activity

Praxis Precision Medicines, Inc.
Last filing: Jul 8, 2026·17 days ago
NEUTRAL · LAST 90 DAYS
0%
buyers
$0
0 buys
$0
0 sells
$0
net buying
0
insiders
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Net flow — last 12 months

Monthly net of insider buys minus sells. Green months indicate net buying; red months indicate net selling.

Most active insiders

Ranked by total transaction value over the last 90 days.

INSIDERBOUGHTSOLDNET
Desimone Jill
Insider
$3.6M
-$3.6M
Souza Marcio
Chief Executive Officer
$0
Cudkowicz Merit Ester
Insider
$0
Arbuckle Stuart A
Insider
$0
Mitchell Dean J
Insider
$0
Chodakewitz Jeffrey
Insider
$0
Kindler Jeffrey B
Insider
$0
Young William D
Insider
$0

Recent transactions

Every Form 4 transaction for PRAX, newest first.

GIFT
Souza Marcio · Chief Executive Officer
Tx Jul 8·Filed Jul 8·EDGAR ↗
20,521 sh
GIFT
Souza Marcio · Chief Executive Officer
Tx Jul 8·Filed Jul 8·EDGAR ↗
2,600 sh
EXERCISE10b5-1
Desimone Jill · Insider
Tx Jun 24·Filed Jun 26·EDGAR ↗
3,034 sh @ $147.30
$447K
EXERCISE10b5-1
Desimone Jill · Insider
Tx Jun 24·Filed Jun 26·EDGAR ↗
8,566 sh @ $44.25
$379K
SELL10b5-1
Desimone Jill · Insider
Tx Jun 24·Filed Jun 26·EDGAR ↗
10 sh @ $301.44
$3K
SELL10b5-1
Desimone Jill · Insider
Tx Jun 24·Filed Jun 26·EDGAR ↗
120 sh @ $303.13
$36K
SELL10b5-1
Desimone Jill · Insider
Tx Jun 24·Filed Jun 26·EDGAR ↗
320 sh @ $305.31
$98K
SELL10b5-1
Desimone Jill · Insider
Tx Jun 24·Filed Jun 26·EDGAR ↗
683 sh @ $306.77
$210K
SELL10b5-1
Desimone Jill · Insider
Tx Jun 24·Filed Jun 26·EDGAR ↗
1,240 sh @ $308.24
$382K
SELL10b5-1
Desimone Jill · Insider
Tx Jun 24·Filed Jun 26·EDGAR ↗
999 sh @ $309.38
$309K
SELL10b5-1
Desimone Jill · Insider
Tx Jun 24·Filed Jun 26·EDGAR ↗
1,750 sh @ $310.89
$544K
SELL10b5-1
Desimone Jill · Insider
Tx Jun 24·Filed Jun 26·EDGAR ↗
2,854 sh @ $311.91
$890K
SELL10b5-1
Desimone Jill · Insider
Tx Jun 24·Filed Jun 26·EDGAR ↗
1,004 sh @ $312.83
$314K
SELL10b5-1
Desimone Jill · Insider
Tx Jun 24·Filed Jun 26·EDGAR ↗
504 sh @ $313.66
$158K
SELL10b5-1
Desimone Jill · Insider
Tx Jun 24·Filed Jun 26·EDGAR ↗
1,279 sh @ $314.90
$403K
SELL10b5-1
Desimone Jill · Insider
Tx Jun 24·Filed Jun 26·EDGAR ↗
837 sh @ $315.70
$264K
AWARD
Desimone Jill · Insider
Tx Jun 10·Filed Jun 12·EDGAR ↗
1,371 sh
AWARD
Cudkowicz Merit Ester · Insider
Tx Jun 10·Filed Jun 12·EDGAR ↗
1,371 sh
AWARD
Arbuckle Stuart A · Insider
Tx Jun 10·Filed Jun 12·EDGAR ↗
1,371 sh
AWARD
Mitchell Dean J · Insider
Tx Jun 10·Filed Jun 12·EDGAR ↗
1,371 sh
AWARD
Chodakewitz Jeffrey · Insider
Tx Jun 10·Filed Jun 12·EDGAR ↗
1,371 sh
AWARD
Kindler Jeffrey B · Insider
Tx Jun 10·Filed Jun 12·EDGAR ↗
1,371 sh
AWARD
Young William D · Insider
Tx Jun 10·Filed Jun 12·EDGAR ↗
1,371 sh
AWARD
Norden Gregory · Insider
Tx Jun 10·Filed Jun 12·EDGAR ↗
1,371 sh
AWARD
Sniecinski Megan · Chief Operating Officer
Tx May 14·Filed May 19·EDGAR ↗
89 sh @ $167.94
$15K
AWARD
Mastrocola Lauren · Principal Accounting Officer
Tx May 14·Filed May 19·EDGAR ↗
127 sh @ $167.94
$21K
AWARD
Souza Marcio · Chief Executive Officer
Tx May 14·Filed May 19·EDGAR ↗
126 sh @ $167.94
$21K
AWARD
Nemiroff Alex · General Counsel and Secretary
Tx May 14·Filed May 19·EDGAR ↗
78 sh @ $167.94
$13K
AWARD
Kelly Timothy Edwin · Chief Financial Officer
Tx May 14·Filed May 19·EDGAR ↗
121 sh @ $167.94
$20K

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About PRAX insider trading data

Form 4 is the SEC filing required when an officer, director, or 10% owner of a public company buys or sells the company's stock. By law, these filings must be submitted within two business days of the trade. Tracenotes pulls every Form 4 filing for PRAX from EDGAR, parses it, and surfaces the activity on this page.

What insider buying tells you. Open-market purchases by insiders are widely studied as a meaningful signal. Unlike stock awards (which are compensation, not conviction), an executive spending their own money to buy shares of the company they run is a vote of confidence. Studies have found insider-buying clusters — three or more insiders buying within a short window — outperform the broader market over the following year.

What insider selling tells you. Selling is noisier. Many sales are pre-scheduled under SEC Rule 10b5-1 plans, which let insiders sell on a fixed schedule regardless of company news. We label these "10b5-1" so you can see them. Discretionary sales — sales not tied to a plan — are more meaningful, especially when multiple insiders sell in quick succession.

Tracenotes methodology. We scan EDGAR daily for new Form 4 filings, parse them into individual transactions, and detect clusters when three or more distinct insiders buy or sell within a 14-day window. The data on this page covers the last 12 months. For deeper analysis, Tracenotes also runs language-change detection on 10-K and 10-Q filings — that's our core product.

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Frequently asked questions

What is a Form 4 filing?

Form 4 is the SEC disclosure required when a company insider — an officer, director, or 10% owner — buys or sells the company's stock. By law these filings must be submitted within two business days of the trade.

Is insider buying PRAX always bullish?

Open-market purchases by insiders are widely viewed as a bullish signal because executives are spending their own money. Stock awards and option exercises are part of compensation and don't carry the same weight, which is why we treat them separately on this page.

What is a 10b5-1 trade?

A trade made under SEC Rule 10b5-1, which lets insiders pre-schedule sales weeks or months in advance. These sales execute on a fixed plan regardless of company news, so they're a weaker signal than discretionary sales. We label them with a "10b5-1" tag.

What is an insider cluster?

A cluster is when three or more distinct insiders buy or sell within a 14-day window. Clusters are studied as stronger signals than single trades because multiple people independently reach the same view. We surface active clusters on Praxis Precision Medicines, Inc. (PRAX) when they form.

Where does PRAX insider trading data come from?

Every Form 4 filing for PRAX is sourced directly from SEC EDGAR. Tracenotes scans EDGAR daily, parses each Form 4 into individual transactions, and updates this page within hours of new filings.

Nothing on this page constitutes investment advice. Form 4 data is sourced from SEC EDGAR and provided for research purposes only.

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