InsiderTrades

Souza Marcio

SEC CIK 1707657 · EDGAR

Buying vs selling by month open-market trades, last 60 months, all 2 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
PRAXPraxis Precision Medicines, Inc.Pres, CEO, Dir 56.5K $271.4K — 232021-08-182026-07-08
SYRESpyre Therapeutics, Inc.Dir 90.0K $50.4K — 12022-08-252022-08-25

Most active insiders at PRAX, 12 months

#InsiderTitleBoughtSold
1 Nemiroff AlexGC, Sec —$4.85M
2 DeSimone JillDir —$3.61M
3 Mastrocola LaurenPrincipal Accounting Off —$2.61M
4 Kelly Timothy EdwinCFO ——
5 Cudkowicz Merit EsterDir ——
6 Sniecinski MeganCOO ——
7 Souza MarcioCEO, Dir ——
8 Chodakewitz JeffreyDir ——
9 Arbuckle Stuart ADir ——
10 Norden GregoryDir ——

Transactions 24

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-07-08 16:56 2026-07-08 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir G - Gift $0.00 -20.5K 56.5K -27% $0
I 2026-07-08 16:56 2026-07-08 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir G - Gift $0.00 -2,600 0 -100% $0
2026-05-19 21:42 2026-05-14 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir A - Grant $167.94 +126 77.0K +0.2% +$21.2K
D 2026-01-12 2026-01-10 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir F - Tax $288.45 -4,252 76.9K -5% -$1.23M
D 2026-01-12 2026-01-08 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir A - Grant $0.00 +27.6K 81.1K +52% $0
2026-01-09 2026-01-07 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir F - Tax $292.63 -405 53.5K -0.8% -$118.5K
I 2025-12-31 2025-12-30 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir G - Gift $0.00 -400 2,600 -13% $0
2025-05-19 2025-05-14 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir A - Grant $31.54 +348 53.9K +0.6% +$11.0K
2025-02-14 2025-02-12 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir F - Tax $85.40 -401 53.6K -0.7% -$34.2K
D 2025-01-14 2025-01-10 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir A - Grant $0.00 +37.5K 54.0K +228% $0
2025-01-08 2025-01-07 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir F - Tax $77.52 -434 16.5K -3% -$33.6K
2024-05-20 2024-05-14 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir A - Grant $12.37 +1,718 16.9K +11% +$21.3K
2024-02-14 2024-02-12 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir F - Tax $44.65 -271 15.2K -2% -$12.1K
2024-01-09 2024-01-07 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir F - Tax $25.19 -418 15.4K -3% -$10.5K
I 2023-06-27 2023-06-27 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir P - Purchase $1.06 +10.0K 45.0K +29% +$10.6K
2023-05-18 2023-05-12 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir A - Grant $0.88 +11.7K 238.0K +5% +$10.3K
2023-03-27 2023-03-23 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir P - Purchase $0.86 +35.0K 226.3K +18% +$30.1K
I 2023-03-27 2023-03-23 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir P - Purchase $0.86 +35.0K 35.0K New +$30.1K
2022-11-21 2022-11-14 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir A - Grant $1.81 +2,115 191.3K +1% +$3,828
2022-08-25 2022-08-25 SYRE Spyre Therapeutics, Inc. Souza Marcio Dir P - Purchase $0.56 +90.0K 90.0K New +$50.4K
2022-06-09 2022-06-08 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir P - Purchase $1.85 +27.0K 189.2K +17% +$50.0K
2022-05-18 2022-05-13 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir A - Grant $8.80 +1,392 162.2K +0.9% +$12.2K
D 2022-01-11 2022-01-07 PRAX Praxis Precision Medicines, Inc. Souza Marcio Pres, CEO, Dir A - Grant $0.00 +74.0K 160.8K +85% $0
2021-08-19 2021-08-18 PRAX Praxis Precision Medicines, Inc. Souza Marcio CEO, Dir P - Purchase $15.79 +9,542 86.8K +12% +$150.7K

Purchase Sale Sale after option exercise All abbreviations