Arkolith/Insider Trading/AMG/Form 4

Starr Loren M

DirectorAFFILIATED MANAGERS GROUP, INC. (AMG) · full profile →Form 4 · filed Mar 9, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
4
1 non-derivative · 3 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 5, 2026Option exercise(M)652—$02K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Mar 5, 2026Option exercise(M)652—$02K
Mar 5, 2026Grant(A)257—$0257
Mar 5, 2026Grant(A)503—$0503

Transaction Codes

M
Option exercise / conversion
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001004434-26-000023) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML