Arkolith/Insider Trading/SEPN/Form 4

Long Daniel D.

SVP, Drug DiscoverySepterna, Inc. (SEPN) · full profile →Form 4 · filed Aug 5, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$115K
Net Open-Market Flow
-$115K
Transactions
6
4 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 3, 2026Option exercise(M)2K$2.76$5K98K
Aug 3, 2026Option exercise(M)2K$2.76$4K100K
Aug 3, 2026Sell(S)1K$33.98$34K99K
Aug 3, 2026Sell(S)2K$34.68$81K96K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Aug 3, 2026Option exercise(M)2K—$05K
Aug 3, 2026Option exercise(M)2K—$012K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-26-335820) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML

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