Arkolith/Insider Trading/SEIC/Form 4

McCarthy Kathryn

DirectorSEI INVESTMENTS CO (SEIC) · full profile →Form 4 · filed May 5, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$911K
Net Open-Market Flow
-$911K
Transactions
5
3 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
May 4, 2026Option exercise(M)5K$49.63$248K83K
May 4, 2026Option exercise(M)5K$49.63$248K88K
May 4, 2026Sell(S)10K$91.07$911K78K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
May 4, 2026Option exercise(M)5K——0
May 4, 2026Option exercise(M)5K——0

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001628280-26-030177) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML