Arkolith/Insider Trading/SEPN/Form 4

Long Daniel D.

SVP, Drug DiscoverySepterna, Inc. (SEPN) · full profile →Form 4 · filed Jun 24, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$533K
Net Open-Market Flow
-$533K
Transactions
6
4 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jun 22, 2026Option exercise(M)11K$2.76$29K107K
Jun 22, 2026Option exercise(M)4K$11.70$52K111K
Jun 22, 2026Sell(S)8K$35.10$281K103K
Jun 22, 2026Sell(S)7K$35.97$252K96K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jun 22, 2026Option exercise(M)11K—$010K
Jun 22, 2026Option exercise(M)4K—$026K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-26-281461) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML