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BCS

Notice of Proposed Sale · 144

Winmark Corporation

WINANASDAQEQUITYCurrent

Notice of Proposed Sale

Filed May 7, 2026Accepted May 7, 2026, 11:31 AM EDTFiling CIK 908315Accession 0001949846-26-000256
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Structured filing — 144

primary_doc.xml

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Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.

Proposed-sale notice

Issuer
WINMARK CORP
Issuer CIK
0000908315
SEC file number
000-22012
Phone
763-520-8500
Person for whose account securities are to be sold
GRASSLE JENELE C
Relationships to issuer
Former Affiliate
Street
605 HIGHWAY 169 N SUITE 400
City
MINNEAPOLIS
State / country code
MN
Postal code
55441

Securities proposed for sale

Securities proposed for sale · 1 reported row
SecurityProposed unitsAggregate market valueUnits outstandingApproximate sale dateExchangeBroker / market maker
Common3,0001,097,160.003,577,67105/07/2026NASDAQCharles Schwab Corporation

Broker / market maker — proposed row 1, entry 1

Name
Charles Schwab Corporation
Street
3000 Schwab Way
City
Westlake
State / country code
TX
Postal code
76262

Acquisition of securities to be sold

Acquisition of securities to be sold · 4 reported rows
SecurityAcquiredNature of acquisitionAcquired fromAmount acquiredGift transactionPayment dateNature of payment
Common06/01/2020Employee Stock Option ExerciseIssuer750N06/01/2020Equity Compensation
Common12/14/2020Employee Stock Option ExerciseIssuer750N12/14/2020Equity Compensation
Common06/01/2021Employee Stock Option ExerciseIssuer750N06/01/2021Equity Compensation
Common12/13/2021Employee Stock Option ExerciseIssuer750N12/13/2021Equity Compensation

Sales reported in the preceding three months

Sales reported in the preceding three months · 1 reported row
SellerSecuritySale dateAmount soldGross proceeds
JENELE GRASSLECommon03/04/20263,9001,885,601.23

Seller — prior-sale row 1, entry 1

Name
JENELE GRASSLE
Street
605 HIGHWAY 169 N SUITE 400
City
MINNEAPOLIS
State / country code
MN
Postal code
55441

Prior-sale reporting

Nothing to report for the preceding three months
N

Remarks

Sale to occur in JENELE GRASSLE REVOCABLE TRUST

Notice signature

Notice date
05/07/2026
Signed
JENELE GRASSLE

Company context

Current securities

Recent company filings

  1. 10-Q filingOct 14, 2026
  2. Results of Operations and Financial Condition · Regulation FD Disclosure · Other EventsOct 14, 2026
  3. SCHEDULE 13G - filed by FIRST TRUST PORTFOLIOS LP regarding WINMARK CORPJul 27, 2026
  4. 10-Q filingJul 15, 2026
  5. Results of Operations and Financial Condition · Regulation FD Disclosure · Other EventsJul 15, 2026

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