Arkolith/Insider Trading/EXPO/Form 4

Corrigan Catherine

President & CEO, DirectorEXPONENT INC (EXPO) · full profile →Form 4 · filed Jan 20, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$121K
Net Open-Market Flow
-$121K
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jan 15, 2026Sell(S)2K$72.52$121K93K
Jan 15, 2026Option exercise(M)2K$29.05$69K94K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jan 15, 2026Option exercise(M)2K——17K

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000851520-26-000002) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML