PRAX - Praxis Precision Medicines, Inc.

Name: Praxis Precision Medicines, Inc. Insider Trading Data
Creator: U.S. Securities and Exchange Commission
License: https://www.sec.gov/privacy#accessibility

Classified under Biotechnology (Health Care sector), PRAX's insider flows are most useful compared with peers in the same group.

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Insider Ownership

Role	Insider	Shares	Value	30d
CEO	Souza Marcio	56.5K	-	-
CFO	Kelly Timothy Edwin	31.2K	$5.23M	-
COO	Sniecinski Megan	28.7K	$4.81M	-
Other	Nemiroff Alex	26.0K	$4.37M	-
Dir	Mitchell Dean J	18.6K	-	-

Activity

Buys and sells only

Transactions

10 filings

Date	Insider	Role	Type	Shares	Price	Value	Chg%	3M	12M
Jun 24, 2026	Desimone Jill	Director	Sale+OE10b5-1	11,600	$311.32	$3,611,334.88	-83.2%	-2.7%	-
Nov 20, 2025	Nemiroff Alex	General Counsel and Secretary	Sale+OE	25,130	$193.09	$4,852,255.51	-54.7%	+100.5%	-
Nov 20, 2025	Mastrocola Lauren	Principal Accounting Officer	Sale+OE	13,600	$192.08	$2,612,243.99	-56.6%	+100.5%	-
Oct 16, 2025	Adage Capital Management, L.P.	10% Owner	Sell	313,910	$105.76	$33,198,123.57	-13.2%	+83.4%	+48.6%
Nov 14, 2024	Nemiroff Alex	General Counsel and Secretary	Sale+OE	8,239	$80.20	$660,827.46	-44.4%	+11.1%	+142.5%
Nov 14, 2024	Mastrocola Lauren	Principal Accounting Officer	Sale+OE	5,188	$81.78	$424,318.34	-48.0%	+11.1%	+142.5%
Oct 5, 2023	Desimone Jill	Director	Buy	14,500	$1.75	$25,375.00	New	-3.0%	+162.4%
Jun 27, 2023	Souza Marcio63	Chief Executive Officer	Buy	10,000	$1.06	$10,587.00	+28.6%	+32.2%	+152.1%
Mar 24, 2023	Kelly Timothy Edwin	Chief Financial Officer	Buy	8,000	$0.87	$6,997.60	+20.8%	+40.7%	+339.5%
Mar 24, 2023	Mitchell Dean J45	Director	Buy	50,000	$0.84	$41,815.00	+200.0%	+40.7%	+339.5%

Understand these filings

How to Read SEC Form 4 Filings →Understanding Insider Buying Signals →What is Insider Trading? A Complete Guide →Cluster Buying: When Multiple Insiders Buy Together →

Insider	Role	Shares	Value	Buys	Sells

Date	Ticker	Insider	Role	Type	Shares	Price	Value	Chg%	SEC