NASDAQ:PRAX | Insider Transactions | Praxis Precision Medicines, Inc.

PRAX Insider Transactions

165 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.

PRAX insiders transaction timeline

PurchaseSale
2020-10-20: 1 purchase — Vitorovic Stefan2020-11-10: 1 purchase — Souza Marcio2021-07-30: 9 sales — SCHWARZMAN STEPHEN A, Blackstone Group Inc, Blackstone Group Management L.L.C. and 6 more2021-08-02: 9 sales — SCHWARZMAN STEPHEN A, Blackstone Group Inc, Blackstone Group Management L.L.C. and 6 more2021-08-03: 9 sales — SCHWARZMAN STEPHEN A, Blackstone Group Inc, Blackstone Group Management L.L.C. and 6 more2021-08-11: 9 sales — SCHWARZMAN STEPHEN A, Blackstone Inc, Blackstone Group Management L.L.C. and 6 more2021-08-12: 9 sales — SCHWARZMAN STEPHEN A, Blackstone Inc, Blackstone Group Management L.L.C. and 6 more2021-08-18: 1 purchase — Souza Marcio2021-08-18: 9 sales — SCHWARZMAN STEPHEN A, Blackstone Inc, Blackstone Group Management L.L.C. and 6 more2021-08-23: 18 sales — SCHWARZMAN STEPHEN A, Blackstone Inc, Blackstone Group Management L.L.C. and 6 more2021-08-31: 1 purchase — Kelly Timothy Edwin2021-10-01: 9 sales — SCHWARZMAN STEPHEN A, Blackstone Inc, Blackstone Group Management L.L.C. and 6 more2021-10-05: 9 sales — SCHWARZMAN STEPHEN A, Blackstone Inc, Blackstone Group Management L.L.C. and 6 more2021-10-06: 9 sales — SCHWARZMAN STEPHEN A, Blackstone Inc, Blackstone Group Management L.L.C. and 6 more2022-06-08: 2 purchases — Souza Marcio, MITCHELL DEAN J2022-06-09: 1 purchase — Kelly Timothy Edwin2022-06-13: 1 purchase — Nemiroff Alex2022-06-16: 1 purchase — Mastrocola Lauren2023-03-23: 2 purchases — Souza Marcio2023-03-24: 3 purchases — Kelly Timothy Edwin, MITCHELL DEAN J2023-06-27: 1 purchase — Souza Marcio2023-10-05: 1 purchase — DeSimone Jill2024-11-14: 2 sales — Nemiroff Alex, Mastrocola Lauren2025-10-16: 30 sales — Atchinson Robert, Gross Phillip, Adage Capital Management, L.P.2025-11-20: 6 sales — Nemiroff Alex, Mastrocola Lauren2026-06-24: 12 sales — DeSimone Jill2020-10-202026-06-24
Insider profileRoleDateTransactionSharesPrice
DeSimone JillDirector2026-06-24Sale837.0$315.71
DeSimone JillDirector2026-06-24Sale1,279.0$314.9
DeSimone JillDirector2026-06-24Sale504.0$313.66
DeSimone JillDirector2026-06-24Sale1,004.0$312.83
DeSimone JillDirector2026-06-24Sale2,854.0$311.91
DeSimone JillDirector2026-06-24Sale1,750.0$310.89
DeSimone JillDirector2026-06-24Sale999.0$309.38
DeSimone JillDirector2026-06-24Sale1,240.0$308.24
DeSimone JillDirector2026-06-24Sale683.0$306.77
DeSimone JillDirector2026-06-24Sale320.0$305.31
DeSimone JillDirector2026-06-24Sale120.0$303.13
DeSimone JillDirector2026-06-24Sale10.0$301.44
Nemiroff AlexGeneral Counsel and Secretary2025-11-20Sale9,100.0$194.3
Nemiroff AlexGeneral Counsel and Secretary2025-11-20Sale977.0$193.23
Nemiroff AlexGeneral Counsel and Secretary2025-11-20Sale13,339.0$192.53
Nemiroff AlexGeneral Counsel and Secretary2025-11-20Sale1,714.0$190.86
Mastrocola LaurenPrincipal Accounting Officer2025-11-20Sale2,145.0$192.71
Mastrocola LaurenPrincipal Accounting Officer2025-11-20Sale11,455.0$191.96
Atchinson RobertTenPercentOwner2025-10-16Sale19,198.0$140.0
Gross PhillipTenPercentOwner2025-10-16Sale19,198.0$140.0
Adage Capital Management, L.P.TenPercentOwner2025-10-16Sale19,198.0$140.0
Atchinson RobertTenPercentOwner2025-10-16Sale308.0$132.19
Gross PhillipTenPercentOwner2025-10-16Sale308.0$132.19
Adage Capital Management, L.P.TenPercentOwner2025-10-16Sale308.0$132.19
Atchinson RobertTenPercentOwner2025-10-16Sale487.0$131.64
Gross PhillipTenPercentOwner2025-10-16Sale487.0$131.64
Adage Capital Management, L.P.TenPercentOwner2025-10-16Sale487.0$131.64
Atchinson RobertTenPercentOwner2025-10-16Sale1,661.0$130.1
Gross PhillipTenPercentOwner2025-10-16Sale1,661.0$130.1
Adage Capital Management, L.P.TenPercentOwner2025-10-16Sale1,661.0$130.1
Atchinson RobertTenPercentOwner2025-10-16Sale250,000.0$104.31
Gross PhillipTenPercentOwner2025-10-16Sale250,000.0$104.31
Adage Capital Management, L.P.TenPercentOwner2025-10-16Sale250,000.0$104.31
Atchinson RobertTenPercentOwner2025-10-16Sale27,287.0$101.0
Gross PhillipTenPercentOwner2025-10-16Sale27,287.0$101.0
Adage Capital Management, L.P.TenPercentOwner2025-10-16Sale27,287.0$101.0
Atchinson RobertTenPercentOwner2025-10-16Sale559.0$100.11
Gross PhillipTenPercentOwner2025-10-16Sale559.0$100.11
Adage Capital Management, L.P.TenPercentOwner2025-10-16Sale559.0$100.11
Atchinson RobertTenPercentOwner2025-10-16Sale1,363.0$92.03
Gross PhillipTenPercentOwner2025-10-16Sale1,363.0$92.03
Adage Capital Management, L.P.TenPercentOwner2025-10-16Sale1,363.0$92.03
Atchinson RobertTenPercentOwner2025-10-16Sale447.0$91.04
Gross PhillipTenPercentOwner2025-10-16Sale447.0$91.04
Adage Capital Management, L.P.TenPercentOwner2025-10-16Sale447.0$91.04
Atchinson RobertTenPercentOwner2025-10-16Sale12,600.0$90.0
Gross PhillipTenPercentOwner2025-10-16Sale12,600.0$90.0
Adage Capital Management, L.P.TenPercentOwner2025-10-16Sale12,600.0$90.0
Nemiroff AlexGeneral Counsel and Secretary2024-11-14Sale8,239.33$80.2
Mastrocola LaurenPrincipal Accounting Officer2024-11-14Sale5,188.34$81.78
DeSimone JillDirector2023-10-05Purchase14,500.0$1.75
Souza MarcioChief Executive Officer2023-06-27Purchase10,000.0$1.06
Kelly Timothy EdwinChief Financial Officer2023-03-24Purchase8,000.0$0.87
MITCHELL DEAN JDirector2023-03-24Purchase50,000.0$0.84
Kelly Timothy EdwinChief Financial Officer2023-03-24Purchase8,000.0$0.87
Souza MarcioChief Executive Officer2023-03-23Purchase35,001.75$0.86
Souza MarcioChief Executive Officer2023-03-23Purchase35,000.0$0.86
Mastrocola LaurenPrincipal Accounting Officer2022-06-16Purchase3,000.0$1.93
Nemiroff AlexGeneral Counsel and Secretary2022-06-13Purchase7,500.0$1.63
Kelly Timothy EdwinChief Financial Officer2022-06-09Purchase10,000.0$1.77
Souza MarcioChief Executive Officer2022-06-08Purchase27,000.0$1.85
MITCHELL DEAN JDirector2022-06-08Purchase25,000.0$1.81
SCHWARZMAN STEPHEN ATenPercentOwner2021-10-06Sale400,000.0$17.5
Blackstone IncTenPercentOwner2021-10-06Sale400,000.0$17.5
Blackstone Group Management L.L.C.TenPercentOwner2021-10-06Sale400,000.0$17.5
Blackstone Holdings I L.P.TenPercentOwner2021-10-06Sale400,000.0$17.5
Blackstone Holdings I/II GP L.L.C.TenPercentOwner2021-10-06Sale400,000.0$17.5
Blackstone Holdings II L.P.TenPercentOwner2021-10-06Sale400,000.0$17.5
Blackstone Strategic Opportunity Associates L.L.C.TenPercentOwner2021-10-06Sale400,000.0$17.5
Blackstone Alternative Solutions L.L.C.TenPercentOwner2021-10-06Sale400,000.0$17.5
BSOF Parallel Master Fund L.P.TenPercentOwner2021-10-06Sale400,000.0$17.5
SCHWARZMAN STEPHEN ATenPercentOwner2021-10-05Sale23,946.0$19.15
Blackstone IncTenPercentOwner2021-10-05Sale23,946.0$19.15
Blackstone Group Management L.L.C.TenPercentOwner2021-10-05Sale23,946.0$19.15
Blackstone Holdings I L.P.TenPercentOwner2021-10-05Sale23,946.0$19.15
Blackstone Holdings I/II GP L.L.C.TenPercentOwner2021-10-05Sale23,946.0$19.15
Blackstone Holdings II L.P.TenPercentOwner2021-10-05Sale23,946.0$19.15
Blackstone Strategic Opportunity Associates L.L.C.TenPercentOwner2021-10-05Sale23,946.0$19.15
Blackstone Alternative Solutions L.L.C.TenPercentOwner2021-10-05Sale23,946.0$19.15
BSOF Parallel Master Fund L.P.TenPercentOwner2021-10-05Sale23,946.0$19.15
SCHWARZMAN STEPHEN ATenPercentOwner2021-10-01Sale22,600.0$19.13
Blackstone IncTenPercentOwner2021-10-01Sale22,600.0$19.13
Blackstone Group Management L.L.C.TenPercentOwner2021-10-01Sale22,600.0$19.13
Blackstone Holdings I L.P.TenPercentOwner2021-10-01Sale22,600.0$19.13
Blackstone Holdings I/II GP L.L.C.TenPercentOwner2021-10-01Sale22,600.0$19.13
Blackstone Holdings II L.P.TenPercentOwner2021-10-01Sale22,600.0$19.13
Blackstone Strategic Opportunity Associates L.L.C.TenPercentOwner2021-10-01Sale22,600.0$19.13
Blackstone Alternative Solutions L.L.C.TenPercentOwner2021-10-01Sale22,600.0$19.13
BSOF Parallel Master Fund L.P.TenPercentOwner2021-10-01Sale22,600.0$19.13
Kelly Timothy EdwinChief Financial Officer2021-08-31Purchase3,905.0$19.48
SCHWARZMAN STEPHEN ATenPercentOwner2021-08-23Sale771.0$20.04
Blackstone IncTenPercentOwner2021-08-23Sale771.0$20.04
Blackstone Group Management L.L.C.TenPercentOwner2021-08-23Sale771.0$20.04
Blackstone Holdings I L.P.TenPercentOwner2021-08-23Sale771.0$20.04
Blackstone Holdings I/II GP L.L.C.TenPercentOwner2021-08-23Sale771.0$20.04
Blackstone Holdings II L.P.TenPercentOwner2021-08-23Sale771.0$20.04
Blackstone Strategic Opportunity Associates L.L.C.TenPercentOwner2021-08-23Sale771.0$20.04
Blackstone Alternative Solutions L.L.C.TenPercentOwner2021-08-23Sale771.0$20.04
BSOF Parallel Master Fund L.P.TenPercentOwner2021-08-23Sale771.0$20.04
SCHWARZMAN STEPHEN ATenPercentOwner2021-08-23Sale351,625.0$19.0