Arkolith/Insider Trading/AMG/Form 4

Wojcik Thomas M

President and COOAFFILIATED MANAGERS GROUP, INC. (AMG) · full profile →Form 4 · filed Sep 9, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$3.7M
Net Open-Market Flow
-$3.7M
Transactions
4
3 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Sep 9, 2025Sell(S)16K$231.03$3.7M159K
Sep 8, 2025Tax withholding(F)114K$231.19$26.4M175K
Sep 8, 2025Option exercise(M)169K$74.49$12.6M289K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Sep 8, 2025Option exercise(M)169K—$01K

Transaction Codes

S
Open-market sale
F
Shares withheld for taxes
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001127602-25-021240) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML