Arkolith/Insider Trading/POST/Form 4

Stiritz William P

InsiderPost Holdings, Inc. (POST) · full profile →Form 4 · filed Dec 19, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
6
4 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Dec 18, 2025Disposed to issuer(D)170K$101.81$17.3M4.3M
Dec 18, 2025Option exercise(M)170K——4.5M
Dec 17, 2025Option exercise(M)11K——4.3M
Dec 17, 2025Disposed to issuer(D)11K$101.19$1.1M4.3M

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Dec 18, 2025Option exercise(M)170K——0
Dec 17, 2025Option exercise(M)11K——170K

Transaction Codes

D
Disposition to the issuer
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001052058-25-000020) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML