Insider Transactions last 24 months for Praxis Precision Medicines, Inc. - NSDQ: PRAX
Transactions
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Option Exercise
Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Kindler Jeffrey B Director 02/06/2026 AA Direct COM 478 $0.00 $0.00 1,166 Kindler Jeffrey B Director 02/06/2026 AA Direct COM 688 $0.00 $0.00 688 Arbuckle Stuart A Director 02/06/2026 AA Direct COM 478 $0.00 $0.00 1,166 Arbuckle Stuart A Director 02/06/2026 AA Direct COM 688 $0.00 $0.00 688 Sniecinski Megan Chief Operating Officer 01/12/2026 DF Direct COM 885 $275.74 $244,029.90 28,530 Mastrocola Lauren Principal Accounting Officer 01/12/2026 DF Direct COM 344 $275.74 $94,854.56 13,446 Nemiroff Alex General Counsel and Secretary 01/12/2026 DF Direct COM 768 $275.74 $211,768.32 25,933 Kelly Timothy Edwin Chief Financial Officer 01/12/2026 DF Direct COM 943 $275.74 $260,022.82 31,046 Souza Marcio Chief Executive Officer 01/10/2026 DF Direct COM 4,252 $288.45 $1,226,489.40 76,890 Kelly Timothy Edwin Chief Financial Officer 01/10/2026 DF Direct COM 1,335 $288.45 $385,080.75 31,989 Nemiroff Alex General Counsel and Secretary 01/10/2026 DF Direct COM 917 $288.45 $264,508.65 26,701 Sniecinski Megan Chief Operating Officer 01/10/2026 DF Direct COM 1,087 $288.45 $313,545.15 29,415 Mastrocola Lauren Principal Accounting Officer 01/10/2026 DF Direct COM 367 $288.45 $105,861.15 13,790 Souza Marcio Chief Executive Officer 01/08/2026 AA Direct COM 27,640 $0.00 $0.00 81,142 Kelly Timothy Edwin Chief Financial Officer 01/08/2026 AA Direct COM 8,800 $0.00 $0.00 33,324 Nemiroff Alex General Counsel and Secretary 01/08/2026 AA Direct COM 6,875 $0.00 $0.00 27,618 Sniecinski Megan Chief Operating Officer 01/08/2026 AA Direct COM 9,625 $0.00 $0.00 30,502 Mastrocola Lauren Principal Accounting Officer 01/08/2026 AA Direct COM 3,750 $0.00 $0.00 14,157 Souza Marcio Chief Executive Officer 01/07/2026 DF Direct COM 405 $292.63 $118,515.15 53,502 Mastrocola Lauren Principal Accounting Officer 01/07/2026 DF Direct COM 35 $292.63 $10,242.05 10,407 Nemiroff Alex General Counsel and Secretary 01/07/2026 DF Direct COM 89 $292.63 $26,044.07 20,743 Kelly Timothy Edwin Chief Financial Officer 01/07/2026 DF Direct COM 139 $292.63 $40,675.57 24,524 Souza Marcio Chief Executive Officer 12/30/2025 DG Indirect COM 400 $0.00 $0.00 2,600 Mastrocola Lauren Principal Accounting Officer 11/20/2025 DS Direct COM 2,145 $192.71 $413,365.10 10,442 Mastrocola Lauren Principal Accounting Officer 11/20/2025 DS Direct COM 11,455 $191.96 $2,198,878.89 12,587
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Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Kindler Jeffrey B Director 02/06/2026 AA Direct COM 478 $0.00 $0.00 1,166 Kindler Jeffrey B Director 02/06/2026 AA Direct COM 688 $0.00 $0.00 688 Arbuckle Stuart A Director 02/06/2026 AA Direct COM 478 $0.00 $0.00 1,166 Arbuckle Stuart A Director 02/06/2026 AA Direct COM 688 $0.00 $0.00 688 Souza Marcio Chief Executive Officer 01/08/2026 AA Direct COM 27,640 $0.00 $0.00 81,142 Kelly Timothy Edwin Chief Financial Officer 01/08/2026 AA Direct COM 8,800 $0.00 $0.00 33,324 Nemiroff Alex General Counsel and Secretary 01/08/2026 AA Direct COM 6,875 $0.00 $0.00 27,618 Sniecinski Megan Chief Operating Officer 01/08/2026 AA Direct COM 9,625 $0.00 $0.00 30,502 Mastrocola Lauren Principal Accounting Officer 01/08/2026 AA Direct COM 3,750 $0.00 $0.00 14,157 Kelly Timothy Edwin Chief Financial Officer 11/14/2025 AA Direct COM 384 $31.62 $12,142.08 24,663 Adage Capital Management, L.P. Other 10/16/2025 AS Indirect COM 19,198 $140.00 $2,687,720.00 2,060,175 Adage Capital Management, L.P. Other 10/16/2025 AS Indirect COM 308 $132.19 $40,714.95 2,079,373 Adage Capital Management, L.P. Other 10/16/2025 AS Indirect COM 487 $131.64 $64,107.95 2,079,681 Adage Capital Management, L.P. Other 10/16/2025 AS Indirect COM 1,661 $130.10 $216,090.12 2,080,168 Adage Capital Management, L.P. Other 10/16/2025 AS Indirect COM 250,000 $104.31 $26,077,375.00 2,081,829 Adage Capital Management, L.P. Other 10/16/2025 AS Indirect COM 27,287 $101.00 $2,755,987.00 2,331,829 Adage Capital Management, L.P. Other 10/16/2025 AS Indirect COM 559 $100.11 $55,961.10 2,359,116 Adage Capital Management, L.P. Other 10/16/2025 AS Indirect COM 1,363 $92.03 $125,440.98 2,359,675 Adage Capital Management, L.P. Other 10/16/2025 AS Indirect COM 447 $91.04 $40,694.97 2,361,038 Adage Capital Management, L.P. Other 10/16/2025 AS Indirect COM 12,600 $90.00 $1,134,031.50 2,361,485 Kelly Timothy Edwin Chief Financial Officer 05/14/2025 AA Direct COM 249 $31.54 $7,852.22 24,279 Souza Marcio Chief Executive Officer 05/14/2025 AA Direct COM 348 $31.54 $10,974.18 53,907 Nemiroff Alex General Counsel and Secretary 01/10/2025 AA Direct COM 11,250 $0.00 $0.00 21,462 Kelly Timothy Edwin Chief Financial Officer 01/10/2025 AA Direct COM 12,500 $0.00 $0.00 24,706 Souza Marcio Chief Executive Officer 01/10/2025 AA Direct COM 37,500 $0.00 $0.00 53,960
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Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Sniecinski Megan Chief Operating Officer 01/12/2026 DF Direct COM 885 $275.74 $244,029.90 28,530 Mastrocola Lauren Principal Accounting Officer 01/12/2026 DF Direct COM 344 $275.74 $94,854.56 13,446 Nemiroff Alex General Counsel and Secretary 01/12/2026 DF Direct COM 768 $275.74 $211,768.32 25,933 Kelly Timothy Edwin Chief Financial Officer 01/12/2026 DF Direct COM 943 $275.74 $260,022.82 31,046 Souza Marcio Chief Executive Officer 01/10/2026 DF Direct COM 4,252 $288.45 $1,226,489.40 76,890 Kelly Timothy Edwin Chief Financial Officer 01/10/2026 DF Direct COM 1,335 $288.45 $385,080.75 31,989 Nemiroff Alex General Counsel and Secretary 01/10/2026 DF Direct COM 917 $288.45 $264,508.65 26,701 Sniecinski Megan Chief Operating Officer 01/10/2026 DF Direct COM 1,087 $288.45 $313,545.15 29,415 Mastrocola Lauren Principal Accounting Officer 01/10/2026 DF Direct COM 367 $288.45 $105,861.15 13,790 Souza Marcio Chief Executive Officer 01/07/2026 DF Direct COM 405 $292.63 $118,515.15 53,502 Mastrocola Lauren Principal Accounting Officer 01/07/2026 DF Direct COM 35 $292.63 $10,242.05 10,407 Nemiroff Alex General Counsel and Secretary 01/07/2026 DF Direct COM 89 $292.63 $26,044.07 20,743 Kelly Timothy Edwin Chief Financial Officer 01/07/2026 DF Direct COM 139 $292.63 $40,675.57 24,524 Souza Marcio Chief Executive Officer 12/30/2025 DG Indirect COM 400 $0.00 $0.00 2,600 Mastrocola Lauren Principal Accounting Officer 11/20/2025 DS Direct COM 2,145 $192.71 $413,365.10 10,442 Mastrocola Lauren Principal Accounting Officer 11/20/2025 DS Direct COM 11,455 $191.96 $2,198,878.89 12,587 Nemiroff Alex General Counsel and Secretary 11/20/2025 DS Direct COM 9,100 $194.30 $1,768,130.00 20,832 Nemiroff Alex General Counsel and Secretary 11/20/2025 DS Direct COM 977 $193.23 $188,788.64 29,932 Nemiroff Alex General Counsel and Secretary 11/20/2025 DS Direct COM 13,339 $192.53 $2,568,197.69 30,909 Nemiroff Alex General Counsel and Secretary 11/20/2025 DS Direct COM 1,714 $190.86 $327,139.18 44,248 Souza Marcio Chief Executive Officer 02/12/2025 DF Direct COM 401 $85.40 $34,245.40 53,559 Mastrocola Lauren Principal Accounting Officer 02/12/2025 DF Direct COM 40 $85.40 $3,416.00 10,442 Nemiroff Alex General Counsel and Secretary 02/12/2025 DF Direct COM 51 $85.40 $4,355.40 20,832 Nemiroff Alex General Counsel and Secretary 01/12/2025 DF Direct COM 579 $63.15 $36,563.85 20,883 Kelly Timothy Edwin Chief Financial Officer 01/12/2025 DF Direct COM 676 $63.15 $42,689.40 24,030
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Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Mastrocola Lauren Principal Accounting Officer 11/20/2025 AM Direct COM 5,250 $56.94 $298,935.00 24,042 Mastrocola Lauren Principal Accounting Officer 11/20/2025 AM Direct COM 2,351 $44.40 $104,384.40 18,792 Mastrocola Lauren Principal Accounting Officer 11/20/2025 AM Direct COM 207 $44.40 $9,190.80 16,441 Mastrocola Lauren Principal Accounting Officer 11/20/2025 AM Direct COM 2,680 $43.37 $116,231.60 16,234 Mastrocola Lauren Principal Accounting Officer 11/20/2025 AM Direct COM 1,557 $133.65 $208,093.05 13,554 Mastrocola Lauren Principal Accounting Officer 11/20/2025 AM Direct COM 508 $83.85 $42,595.80 11,997 Mastrocola Lauren Principal Accounting Officer 11/20/2025 AM Direct COM 1,047 $49.50 $51,826.50 11,489 Nemiroff Alex General Counsel and Secretary 11/20/2025 AM Direct COM 9,100 $56.94 $518,154.00 45,962 Nemiroff Alex General Counsel and Secretary 11/20/2025 AM Direct COM 5,652 $44.40 $250,948.80 36,862 Nemiroff Alex General Counsel and Secretary 11/20/2025 AM Direct COM 2,434 $44.40 $108,069.60 31,210 Nemiroff Alex General Counsel and Secretary 11/20/2025 AM Direct COM 6,230 $133.65 $832,639.50 28,776 Nemiroff Alex General Counsel and Secretary 11/20/2025 AM Direct COM 1,714 $83.85 $143,718.90 22,546 Mitchell Dean J Director 09/24/2025 AM Direct COM 1,753 $44.04 $77,202.12 17,251 Mitchell Dean J Director 09/24/2025 AM Direct COM 8,566 $44.25 $379,045.50 15,498 Mitchell Dean J Director 09/24/2025 AM Direct COM 1,932 $14.36 $27,743.52 6,932 Mastrocola Lauren Principal Accounting Officer 11/14/2024 AM Direct COM 4,374 $56.94 $249,055.56 10,801 Nemiroff Alex General Counsel and Secretary 11/14/2024 AM Direct COM 7,583 $56.94 $431,776.02 18,540
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Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d)
C = Conversion of derivative security |
D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) |
E = Expiration of short derivative position |
F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. |
G = Gift |
H = Expiration (or cancellation) of long derivative position with value received |
I = Discretionary transaction in accordance with Rule 16b-3(f) |
J = Other |
L = Small acquisition under Rule 16a-6 |
M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 |
O = Exercise of out-of-the-money derivative security |
P = Open market or private purchase |
S = Open market or private sale |
U = Disposition pursuant to a tender of shares in a change of control transaction |
W = Acquisition or disposition by will or the laws of descent and distribution |
X = Exercise of in-the-money or at-the-money derivative security |
Z = Deposit into or withdrawal from voting trust
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