Latest Insider Transactions at Praxis Precision Medicines, Inc. (PRAX)
This section provides a real-time view of insider transactions for Praxis Precision Medicines, Inc. (PRAX). The data is sourced from Form 4 filings with the SEC, which are filed by insiders of Praxis Precision Medicines, Inc. to disclose their transactions in the company's securities. By reviewing this information, investors can gain insights into the trading activity of Praxis Precision Medicines, Inc.'s insiders and make more informed investment decisions.
Insider Transaction List
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Jan 12
2026
|
Megan Sniecinski Chief Operating Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
885
-3.01%
|
$243,375
$275.74 P/Share
|
|
Jan 12
2026
|
Lauren Mastrocola Principal Accounting Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
344
-2.49%
|
$94,600
$275.74 P/Share
|
|
Jan 12
2026
|
Timothy Edwin Kelly Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
943
-2.95%
|
$259,325
$275.74 P/Share
|
|
Jan 12
2026
|
Alex Nemiroff General Counsel and Secretary |
SELL
Payment of exercise price or tax liability
|
Direct |
768
-2.88%
|
$211,200
$275.74 P/Share
|
|
Jan 10
2026
|
Alex Nemiroff General Counsel and Secretary |
SELL
Payment of exercise price or tax liability
|
Direct |
917
-3.32%
|
$264,096
$288.45 P/Share
|
|
Jan 10
2026
|
Megan Sniecinski Chief Operating Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,087
-3.56%
|
$313,056
$288.45 P/Share
|
|
Jan 10
2026
|
Lauren Mastrocola Principal Accounting Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
367
-2.59%
|
$105,696
$288.45 P/Share
|
|
Jan 10
2026
|
Marcio Souza Chief Executive Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
4,252
-5.24%
|
$1,224,576
$288.45 P/Share
|
|
Jan 10
2026
|
Timothy Edwin Kelly Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,335
-4.01%
|
$384,480
$288.45 P/Share
|
|
Jan 08
2026
|
Alex Nemiroff General Counsel and Secretary |
BUY
Grant, award, or other acquisition
|
Direct |
6,875
+19.93%
|
-
|
|
Jan 08
2026
|
Megan Sniecinski Chief Operating Officer |
BUY
Grant, award, or other acquisition
|
Direct |
9,625
+23.99%
|
-
|
|
Jan 08
2026
|
Lauren Mastrocola Principal Accounting Officer |
BUY
Grant, award, or other acquisition
|
Direct |
3,750
+20.94%
|
-
|
|
Jan 08
2026
|
Marcio Souza Chief Executive Officer |
BUY
Grant, award, or other acquisition
|
Direct |
27,640
+25.41%
|
-
|
|
Jan 08
2026
|
Timothy Edwin Kelly Chief Financial Officer |
BUY
Grant, award, or other acquisition
|
Direct |
8,800
+20.89%
|
-
|
|
Jan 07
2026
|
Marcio Souza Chief Executive Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
405
-0.75%
|
$118,260
$292.63 P/Share
|
|
Jan 07
2026
|
Timothy Edwin Kelly Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
139
-0.56%
|
$40,588
$292.63 P/Share
|
|
Jan 07
2026
|
Alex Nemiroff General Counsel and Secretary |
SELL
Payment of exercise price or tax liability
|
Direct |
89
-0.43%
|
$25,988
$292.63 P/Share
|
|
Jan 07
2026
|
Lauren Mastrocola Principal Accounting Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
35
-0.34%
|
$10,220
$292.63 P/Share
|
|
Dec 30
2025
|
Marcio Souza Chief Executive Officer |
SELL
Bona fide gift
|
Indirect |
400
-13.33%
|
-
|
|
Nov 20
2025
|
Lauren Mastrocola Principal Accounting Officer |
SELL
Open market or private sale
|
Direct |
13,600
-32.35%
|
$2,611,200
$192.34 P/Share
|
|
Nov 20
2025
|
Lauren Mastrocola Principal Accounting Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
13,600
+9.6%
|
$884,000
$65.16 P/Share
|
|
Nov 20
2025
|
Alex Nemiroff General Counsel and Secretary |
SELL
Open market or private sale
|
Direct |
25,130
-16.86%
|
$4,824,960
$192.73 P/Share
|
|
Nov 20
2025
|
Alex Nemiroff General Counsel and Secretary |
BUY
Exercise of conversion of derivative security
|
Direct |
25,130
+12.38%
|
$1,809,360
$72.65 P/Share
|
|
Nov 14
2025
|
Timothy Edwin Kelly Chief Financial Officer |
BUY
Grant, award, or other acquisition
|
Direct |
384
+1.53%
|
$11,904
$31.62 P/Share
|
|
Oct 16
2025
|
Adage Capital Management, L.P. > 10% Shareholder |
BUY
Open market or private sale
|
Indirect |
301,310
+1.45%
|
$34,048,030
$113.6 P/Share
|
|
Oct 16
2025
|
Adage Capital Management, L.P. > 10% Shareholder |
BUY
Open market or private sale
|
Indirect |
12,600
+0.53%
|
$1,134,000
$90.0 P/Share
|
|
Sep 24
2025
|
Dean J Mitchell Director |
BUY
Exercise of conversion of derivative security
|
Direct |
12,251
+22.21%
|
$416,534
$34.22 P/Share
|
|
May 14
2025
|
Timothy Edwin Kelly Chief Financial Officer |
BUY
Grant, award, or other acquisition
|
Direct |
249
+1.02%
|
$7,719
$31.54 P/Share
|
|
May 14
2025
|
Marcio Souza Chief Executive Officer |
BUY
Grant, award, or other acquisition
|
Direct |
348
+0.64%
|
$10,788
$31.54 P/Share
|
|
Feb 12
2025
|
Alex Nemiroff General Counsel and Secretary |
SELL
Payment of exercise price or tax liability
|
Direct |
51
-0.24%
|
$4,335
$85.4 P/Share
|
|
Feb 12
2025
|
Marcio Souza Chief Executive Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
401
-0.74%
|
$34,085
$85.4 P/Share
|
|
Feb 12
2025
|
Lauren Mastrocola Principal Accounting Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
40
-0.38%
|
$3,400
$85.4 P/Share
|
|
Jan 12
2025
|
Alex Nemiroff General Counsel and Secretary |
SELL
Payment of exercise price or tax liability
|
Direct |
579
-2.7%
|
$36,477
$63.15 P/Share
|
|
Jan 12
2025
|
Timothy Edwin Kelly Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
676
-2.74%
|
$42,588
$63.15 P/Share
|
|
Jan 12
2025
|
Lauren Mastrocola Principal Accounting Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
390
-3.59%
|
$24,570
$63.15 P/Share
|
|
Jan 10
2025
|
Alex Nemiroff General Counsel and Secretary |
BUY
Grant, award, or other acquisition
|
Direct |
11,250
+34.39%
|
-
|
|
Jan 10
2025
|
Timothy Edwin Kelly Chief Financial Officer |
BUY
Grant, award, or other acquisition
|
Direct |
12,500
+33.6%
|
-
|
|
Jan 10
2025
|
Marcio Souza Chief Executive Officer |
BUY
Grant, award, or other acquisition
|
Direct |
37,500
+41.0%
|
-
|
|
Jan 10
2025
|
Lauren Mastrocola Principal Accounting Officer |
BUY
Grant, award, or other acquisition
|
Direct |
5,000
+31.5%
|
-
|
|
Jan 07
2025
|
Timothy Edwin Kelly Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
139
-1.13%
|
$10,703
$77.52 P/Share
|
|
Jan 07
2025
|
Alex Nemiroff General Counsel and Secretary |
SELL
Payment of exercise price or tax liability
|
Direct |
89
-0.86%
|
$6,853
$77.52 P/Share
|
|
Jan 07
2025
|
Lauren Mastrocola Principal Accounting Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
35
-0.59%
|
$2,695
$77.52 P/Share
|
|
Jan 07
2025
|
Marcio Souza Chief Executive Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
434
-2.57%
|
$33,418
$77.52 P/Share
|
|
Nov 14
2024
|
Lauren Mastrocola Principal Accounting Officer |
BUY
Grant, award, or other acquisition
|
Direct |
294
+4.74%
|
$10,878
$37.4 P/Share
|
|
Nov 14
2024
|
Timothy Edwin Kelly Chief Financial Officer |
BUY
Grant, award, or other acquisition
|
Direct |
205
+1.63%
|
$7,585
$37.4 P/Share
|
|
Nov 14
2024
|
Lauren Mastrocola Principal Accounting Officer |
SELL
Open market or private sale
|
Direct |
5,188
-48.04%
|
$420,228
$81.78 P/Share
|
|
Nov 14
2024
|
Lauren Mastrocola Principal Accounting Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
4,374
+28.82%
|
$244,944
$56.94 P/Share
|
|
Nov 14
2024
|
Alex Nemiroff General Counsel and Secretary |
SELL
Open market or private sale
|
Direct |
8,239
-44.44%
|
$659,120
$80.2 P/Share
|
|
Nov 14
2024
|
Alex Nemiroff General Counsel and Secretary |
BUY
Exercise of conversion of derivative security
|
Direct |
7,583
+29.03%
|
$424,648
$56.94 P/Share
|
|
Jul 29
2024
|
Timothy Edwin Kelly Chief Financial Officer |
BUY
Grant, award, or other acquisition
|
Direct |
7,800
+39.12%
|
-
|