Arkolith/Insider Trading/SPRO/Form 4

Keutzer Timothy

Chief Operating OfficerSpero Therapeutics, Inc. (SPRO) · full profile →Form 4 · filed Sep 3, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$3K
Net Open-Market Flow
-$3K
Transactions
1
1 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 28, 2025Sell(S)2K$1.97$3K740K

Transaction Codes

S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000950170-25-112659) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML