Grassle Jenele C

DirectorWINMARK CORP (WINA) · full profile →Form 4 · filed Feb 27, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
10
5 non-derivative · 5 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Feb 25, 2026Option exercise(M)800$156.00$125K5K
Feb 25, 2026Option exercise(M)750$164.84$124K6K
Feb 25, 2026Option exercise(M)800$143.20$115K4K
Feb 25, 2026Option exercise(M)800$134.25$107K3K
Feb 25, 2026Option exercise(M)750$176.20$132K6K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Feb 25, 2026Option exercise(M)800$134.25$107K0
Feb 25, 2026Option exercise(M)800$143.20$115K0
Feb 25, 2026Option exercise(M)750$176.20$132K0
Feb 25, 2026Option exercise(M)750$164.84$124K0
Feb 25, 2026Option exercise(M)800$156.00$125K0

Transaction Codes

M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001218668-26-000002) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

Build

Ask your agent about WINA insider filings

This filing is the Follow view. The Build view lets your agent pull every Form 4 for the issuer, the net open-market picture over 90 days, and the accession behind each row, through REST or MCP.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/filing/0001218668-26-000002"
Ask your agent
Use Arkolith to summarize insider buying and selling at WINMARK CORP
over the last 90 days and cite the filings.