Insider Transactions Reported by 19 Insiders of Praxis Precision Medicines, Inc.

Symbol
PRAX on Nasdaq
Location
Boston, MA

Insiders trading volume in the past year

Praxis Precision Medicines, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Adage Capital Management, L.P. 10%+ Owner $288,424,500 +$33,198,124 +13% 16 Oct 2025
Clarus Lifesciences III, L.P. 10%+ Owner $123,282,606 12 May 2021
Marcio Souza Chief Executive Officer, Director $22,945,243 08 Jan 2026
Timothy Edwin Kelly Chief Financial Officer $8,560,624 12 Jan 2026
Megan Sniecinski Chief Operating Officer $7,866,862 12 Jan 2026
Alex Nemiroff General Counsel and Secretary $7,150,673 -$4,852,256 -40% 12 Jan 2026
Lauren Mastrocola Principal Accounting Officer $3,707,505 -$2,612,244 -41% 12 Jan 2026
Nicole Sweeny Chief Commercial Officer $972,813 12 Feb 2023
Dean J. Mitchell Director $759,734 24 Sep 2025
Stuart A. Arbuckle Director $336,332 06 Feb 2026
Jeffrey B. Kindler Director $336,332 06 Feb 2026
BSOF Parallel Master Fund L.P. 10%+ Owner $0 06 Oct 2021
Merit Ester Cudkowicz Director 26 Jun 2025
Bernard Ravina Chief Medical Officer 22 Jun 2022
Jeffrey Chodakewitz Director 26 Jun 2025
Gregory Norden Director 26 Jun 2025
Jill DeSimone Director 26 Jun 2025
Stefan Vitorovic Director 26 May 2022
William D. Young Director 26 Jun 2025

Recent Insider Transactions by Companies or Individuals for Praxis Precision Medicines, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Stuart A. Arbuckle PRAX Common Stock Award 1,166 1,166 06 Feb 2026 Direct
Stuart A. Arbuckle PRAX Stock Option (Right to Buy) Award 224 224 06 Feb 2026 Direct
Jeffrey B. Kindler PRAX Common Stock Award 1,166 1,166 06 Feb 2026 Direct
Jeffrey B. Kindler PRAX Stock Option (Right to Buy) Award 224 224 06 Feb 2026 Direct
Lauren Mastrocola PRAX Common Stock Tax liability -2.49% -344 13,446 12 Jan 2026 Direct
Megan Sniecinski PRAX Common Stock Tax liability -3.01% -885 28,530 12 Jan 2026 Direct
Alex Nemiroff PRAX Common Stock Tax liability -2.88% -768 25,933 12 Jan 2026 Direct
Timothy Edwin Kelly PRAX Common Stock Tax liability -2.95% -943 31,046 12 Jan 2026 Direct
Lauren Mastrocola PRAX Common Stock Tax liability -2.59% -367 13,790 10 Jan 2026 Direct
Megan Sniecinski PRAX Common Stock Tax liability -3.56% -1,087 29,415 10 Jan 2026 Direct
Alex Nemiroff PRAX Common Stock Tax liability -3.32% -917 26,701 10 Jan 2026 Direct
Timothy Edwin Kelly PRAX Common Stock Tax liability -4.01% -1,335 31,989 10 Jan 2026 Direct
Marcio Souza PRAX Common Stock Tax liability -5.24% -4,252 76,890 10 Jan 2026 Direct
Lauren Mastrocola PRAX Common Stock Award 36% 3,750 14,157 08 Jan 2026 Direct
Lauren Mastrocola PRAX Stock Option (Right to Buy) Award 7,500 7,500 08 Jan 2026 Direct
Megan Sniecinski PRAX Common Stock Award 46.1% 9,625 30,502 08 Jan 2026 Direct
Megan Sniecinski PRAX Stock Option (Right to Buy) Award 7,700 7,700 08 Jan 2026 Direct
Alex Nemiroff PRAX Common Stock Award 33.1% 6,875 27,618 08 Jan 2026 Direct
Alex Nemiroff PRAX Stock Option (Right to Buy) Award 5,500 5,500 08 Jan 2026 Direct
Timothy Edwin Kelly PRAX Common Stock Award 35.9% 8,800 33,324 08 Jan 2026 Direct
Timothy Edwin Kelly PRAX Stock Option (Right to Buy) Award 7,040 7,040 08 Jan 2026 Direct
Marcio Souza PRAX Common Stock Award 51.7% 27,640 81,142 08 Jan 2026 Direct
Marcio Souza PRAX Stock Option (Right to Buy) Award 22,110 22,110 08 Jan 2026 Direct
Lauren Mastrocola PRAX Common Stock Tax liability -0.34% -35 10,407 07 Jan 2026 Direct
Alex Nemiroff PRAX Common Stock Tax liability -0.43% -89 20,743 07 Jan 2026 Direct
Timothy Edwin Kelly PRAX Common Stock Tax liability -0.56% -139 24,524 07 Jan 2026 Direct
Marcio Souza PRAX Common Stock Tax liability -0.75% -405 53,502 07 Jan 2026 Direct
Marcio Souza PRAX Common Stock Gift -13.3% -400 2,600 30 Dec 2025 Held by spouse
Alex Nemiroff PRAX Common Stock Sale -54.7% $4,852,256 $193.09 -25,130 20,832 20 Nov 2025 Direct
Alex Nemiroff PRAX Common Stock Options Exercise 120.6% 25,130 45,962 20 Nov 2025 Direct
Alex Nemiroff PRAX Stock Option (Right to Buy) Options Exercise -100% -25,130 0 20 Nov 2025 Direct
Lauren Mastrocola PRAX Common Stock Sale -56.6% $2,612,244 $192.08 -13,600 10,442 20 Nov 2025 Direct
Lauren Mastrocola PRAX Common Stock Options Exercise 130.2% 13,600 24,042 20 Nov 2025 Direct
Lauren Mastrocola PRAX Stock Option (Right to Buy) Options Exercise -100% -13,600 0 20 Nov 2025 Direct
Timothy Edwin Kelly PRAX Common Stock Award 1.58% 384 24,663 14 Nov 2025 Direct
Adage Capital Management, L.P. PRAX Common Stock Sale 14.6% $32,064,092 $106.42 301,310 2,361,038 16 Oct 2025 See footnotes
Adage Capital Management, L.P. PRAX Common Stock, $0.0001 par value per share ("Common Stock") Sale 0.54% $1,134,032 $90.00 12,600 2,361,485 16 Oct 2025 See footnotes
Dean J. Mitchell PRAX Common Stock Options Exercise 245% 12,251 17,251 24 Sep 2025 Direct
Dean J. Mitchell PRAX Stock Option (Right to Buy) Options Exercise -100% -12,251 0 24 Sep 2025 Direct
Dean J. Mitchell PRAX Stock Option (Right to Buy) Award 10,520 10,520 26 Jun 2025 Direct
William D. Young PRAX Stock Option (Right to Buy) Award 10,520 10,520 26 Jun 2025 Direct
Gregory Norden PRAX Stock Option (Right to Buy) Award 10,520 10,520 26 Jun 2025 Direct
Jill DeSimone PRAX Stock Option (Right to Buy) Award 10,520 10,520 26 Jun 2025 Direct
Jeffrey Chodakewitz PRAX Stock Option (Right to Buy) Award 10,520 10,520 26 Jun 2025 Direct
Merit Ester Cudkowicz PRAX Stock Option (Right to Buy) Award 10,520 10,520 26 Jun 2025 Direct
Marcio Souza PRAX Common Stock Award 0.65% 348 53,907 14 May 2025 Direct
Timothy Edwin Kelly PRAX Common Stock Award 1.04% 249 24,279 14 May 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.