Arkolith/Insider Trading/EXPO/Form 4

Corrigan Catherine

President & CEO, DirectorEXPONENT INC (EXPO) · full profile →Form 4 · filed May 15, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$227K
Net Open-Market Flow
-$227K
Transactions
6
4 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
May 15, 2026Option exercise(M)3K$25.41$82K108K
May 15, 2026Sell(S)2K$54.06$128K105K
May 15, 2026Option exercise(M)2K$29.05$69K108K
May 15, 2026Sell(S)2K$54.06$99K106K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
May 15, 2026Option exercise(M)3K——3K
May 15, 2026Option exercise(M)2K——7K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000851520-26-000072) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML