Arkolith/Insider Trading/MGNI/Form 4

Barrett Michael G.

CEO, DirectorMAGNITE, INC. (MGNI) · full profile →Form 4 · filed Jan 12, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jan 9, 2026Option exercise(M)214K—$0545K
Jan 9, 2026Tax withholding(F)110K$16.17$1.8M436K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jan 9, 2026Option exercise(M)214K—$00

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001100612-26-000002) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML