Arkolith/Insider Trading/AMG/Form 4

Horgen Jay C.

President and CEO, DirectorAFFILIATED MANAGERS GROUP, INC. (AMG) · full profile →Form 4 · filed Jun 8, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$5.9M
Net Open-Market Flow
-$5.9M
Transactions
4
3 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jun 8, 2026Option exercise(M)75K$74.49$5.6M262K
Jun 8, 2026Tax withholding(F)40K$336.62$13.4M222K
Jun 8, 2026Sell(S)18K$338.27$5.9M205K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jun 8, 2026Option exercise(M)75K—$00

Transaction Codes

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

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001004434-26-000065) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML