Winmark (WINA) director Grassle sells 3,900 shares at $475.8000

Rhea-AI Filing Summary

Winmark Corp director Jenele C Grassle reported an open-market sale of common stock. On 2026-03-04, she sold 3,900 shares of Winmark common stock at a price of $475.8000 per share, leaving her with direct ownership of 2,500 common shares.

The filing also lists multiple holdings of Non-Employee Stock Options (right to buy), all held directly, with various share amounts remaining as of 2026-03-04. A footnote states that these options vest at a rate of 25% per year for four years.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

GRASSLE JENELE C

(Last) (First) (Middle)

605 HIGHWAY 169 N

SUITE 400

(Street)

MINNEAPOLIS MN 55441

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
WINMARK CORP [ WINA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/04/2026		S		3,900	D	$475.8	2,500	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non-Employee Stock Option (right to buy)	$143.87							06/01/2021(1)	06/01/2030	Common Stock	750		750	D
Non-Employee Stock Option (right to buy)	$183.87							12/14/2021(1)	12/14/2030	Common Stock	750		750	D
Non-Employee Stock Option (right to buy)	$195.82							06/01/2022(1)	06/01/2031	Common Stock	750		750	D
Non-Employee Stock Option (right to buy)	$261.32							12/13/2022(1)	12/13/2031	Common Stock	750		750	D
Non-Employee Stock Option (right to buy)	$197.8							06/01/2023(1)	06/01/2032	Common Stock	880		880	D
Non-Employee Stock Option (right to buy)	$238.6							12/12/2023(1)	12/12/2032	Common Stock	620		620	D
Non-Employee Stock Option (right to buy)	$325.99							06/01/2024(1)	06/01/2033	Common Stock	380		380	D
Non-Employee Stock Option (right to buy)	$446.68							12/01/2024(1)	12/01/2033	Common Stock	240		240	D
Non-Employee Stock Option (right to buy)	$355.9							06/01/2025(1)	06/01/2034	Common Stock	300		300	D
Non-Employee Stock Option (right to buy)	$400.97							12/09/2025(1)	12/09/2034	Common Stock	300		300	D
Non-Employee Stock Option (right to buy)	$424.82							06/01/2026(1)	06/01/2035	Common Stock	280		280	D
Non-Employee Stock Option (right to buy)	$444.54							12/15/2026(1)	12/15/2035	Common Stock	256		256	D

Explanation of Responses:

1. 25% per year for four years.

	/s/ Jenele C. Grassle	03/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Winmark (WINA) director Jenele C Grassle report?

Jenele C Grassle reported selling 3,900 shares of Winmark common stock in an open-market transaction. The sale occurred on March 4, 2026, and was executed at a price of $475.8000 per share, as disclosed in the Form 4 insider filing.

At what price did Jenele C Grassle sell Winmark (WINA) shares?

She sold the Winmark common shares at $475.8000 per share. This price applied to 3,900 shares sold in an open-market transaction on March 4, 2026, as reported in the Form 4 filing for director Jenele C Grassle.

How many Winmark (WINA) common shares does Jenele C Grassle own after the sale?

After the reported sale, Jenele C Grassle directly owns 2,500 shares of Winmark common stock. This post-transaction balance is explicitly listed in the filing as the total number of common shares she held following the March 4, 2026 transaction.

What type of transaction did Jenele C Grassle execute in Winmark (WINA) stock?

The transaction was an open-market sale of common stock, coded as “S” in the filing. It involved 3,900 shares sold at $475.8000 per share on March 4, 2026, and reflects a net-sell direction for her common stock holdings.

Does Jenele C Grassle hold Winmark (WINA) stock options after this Form 4?

Yes, she holds several Non-Employee Stock Options described as rights to buy Winmark shares. The filing lists multiple option positions with specific share amounts remaining, and a footnote notes they vest 25% per year for four years.

What does the vesting footnote mean for Jenele C Grassle’s Winmark (WINA) options?

The footnote states the options vest 25% per year for four years. This means portions of each Non-Employee Stock Option grant become exercisable annually over four years, affecting when she can convert these options into Winmark common shares.