Arkolith/Insider Trading/MGNX/Form 4

Karrels James

SVP and CFOMACROGENICS INC (MGNX) · full profile →Form 4 · filed Feb 10, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
6
4 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Feb 8, 2026Option exercise(M)10K——201K
Feb 8, 2026Tax withholding(F)4K$1.81$7K197K
Feb 7, 2026Tax withholding(F)2K$1.81$4K191K
Feb 7, 2026Option exercise(M)6K——193K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Feb 8, 2026Option exercise(M)10K—$010K
Feb 7, 2026Option exercise(M)6K—$013K

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001587477-26-000002) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML