Arkolith/Insider Trading/PRAX/Form 4

Mastrocola Lauren

Principal Accounting OfficerPraxis Precision Medicines, Inc. (PRAX) · full profile →Form 4 · filed Nov 21, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$2.6M
Net Open-Market Flow
-$2.6M
Transactions
16
9 non-derivative · 7 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Nov 20, 2025Sell(S)2K$192.71$413K10K
Nov 20, 2025Sell(S)11K$191.96$2.2M13K
Nov 20, 2025Option exercise(M)5K$56.94$299K24K
Nov 20, 2025Option exercise(M)2K$44.40$104K19K
Nov 20, 2025Option exercise(M)1K$49.50$52K11K
Nov 20, 2025Option exercise(M)207$44.40$9K16K
Nov 20, 2025Option exercise(M)3K$43.37$116K16K
Nov 20, 2025Option exercise(M)2K$133.65$208K14K
Nov 20, 2025Option exercise(M)508$83.85$43K12K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Nov 20, 2025Option exercise(M)2K—$0981
Nov 20, 2025Option exercise(M)207—$00
Nov 20, 2025Option exercise(M)3K—$09K
Nov 20, 2025Option exercise(M)2K—$00
Nov 20, 2025Option exercise(M)508—$00
Nov 20, 2025Option exercise(M)1K—$00
Nov 20, 2025Option exercise(M)5K—$011K

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001104659-25-115098) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML