HEFFES BRETT D (CEO) sold 6.1% of their position (7.41K shares) of WINMARK CORP on the open market

Open‑market sale worth $3.37M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 8 sales

HEFFES BRETT D

Filed: 8/28/2025ACC: 0001415889-25-023218

InsiderHEFFES BRETT DCIK 1237904

→

IssuerWINMARK CORPCIK 908315

DirectorOfficer· CEO

Since Jul 2018

-7.41K

Net shares

Net seller

$3.37M

Total sold

Open market trades

0B · 8S

Total transactions

9.31K acquired · 16.72K disposed

Non-Derivative Transactions14

Common Stock

Direct

M · Option Exercise

+1.92K

Price / share

$143.87

Trade value

$275.51K

% of position

1.7%

8/26/2025

112.50K→114.42K

Common Stock

Direct

M · Option Exercise

+526.00

Price / share

$164.84

Trade value

$86.71K

% of position

0.5%

8/26/2025

114.42K→114.94K

Common Stock

Direct

M · Option Exercise

+510.00

Price / share

$195.82

Trade value

$99.87K

% of position

0.4%

8/26/2025

114.94K→115.45K

Common Stock

Direct

S · Sale

−600.00

Price / share

$458.65

Trade value

$275.19K

% of position

0.5%

8/26/2025

115.45K→114.85K

Common Stock

Direct

S · Sale

−400.00

Price / share

$456.97

Trade value

$182.79K

% of position

0.3%

8/26/2025

114.85K→114.45K

Common Stock

Direct

S · Sale

−800.00

Price / share

$453.82

Trade value

$363.06K

% of position

0.7%

8/26/2025

114.45K→113.65K

Common Stock

Direct

S · Sale

−641.00

Price / share

$452.07

Trade value

$289.78K

% of position

0.6%

8/26/2025

113.65K→113.01K

Common Stock

Direct

M · Option Exercise

+2.10K

Price / share

$176.20

Trade value

$370.55K

% of position

1.9%

8/27/2025

113.01K→115.11K

Common Stock

Direct

M · Option Exercise

+2.87K

Price / share

$164.84

Trade value

$472.76K

% of position

2.5%

8/27/2025

115.11K→117.98K

Common Stock

Direct

M · Option Exercise

+1.39K

Price / share

$143.87

Trade value

$199.98K

% of position

1.2%

8/27/2025

117.98K→119.37K

Common Stock

Direct

S · Sale

−1.99K

Price / share

$454.95

Trade value

$903.08K

% of position

1.7%

8/27/2025

119.37K→117.39K

Common Stock

Direct

S · Sale

−1.19K

Price / share

$454.03

Trade value

$538.48K

% of position

1.0%

8/27/2025

117.39K→116.20K

Common Stock

Direct

S · Sale

−1.63K

Price / share

$452.72

Trade value

$737.93K

% of position

1.4%

8/27/2025

116.20K→114.57K

Common Stock

Direct

S · Sale

−170.00

Price / share

$451.76

Trade value

$76.80K

% of position

0.1%

8/27/2025

114.57K→114.40K

Total

Net shares

+1.90K

Net value

-$1.86M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	8/26/2025	M · Option Exercise	+1.92K	$143.87	$275.51K	1.7%	112.50K	114.42K
Common Stock Direct	8/26/2025	M · Option Exercise	+526.00	$164.84	$86.71K	0.5%	114.42K	114.94K
Common Stock Direct	8/26/2025	M · Option Exercise	+510.00	$195.82	$99.87K	0.4%	114.94K	115.45K
Common Stock Direct	8/26/2025	S · Sale	−600.00	$458.65	$275.19K	0.5%	115.45K	114.85K
Common Stock Direct	8/26/2025	S · Sale	−400.00	$456.97	$182.79K	0.3%	114.85K	114.45K
Common Stock Direct	8/26/2025	S · Sale	−800.00	$453.82	$363.06K	0.7%	114.45K	113.65K
Common Stock Direct	8/26/2025	S · Sale	−641.00	$452.07	$289.78K	0.6%	113.65K	113.01K
Common Stock Direct	8/27/2025	M · Option Exercise	+2.10K	$176.20	$370.55K	1.9%	113.01K	115.11K
Common Stock Direct	8/27/2025	M · Option Exercise	+2.87K	$164.84	$472.76K	2.5%	115.11K	117.98K
Common Stock Direct	8/27/2025	M · Option Exercise	+1.39K	$143.87	$199.98K	1.2%	117.98K	119.37K
Common Stock Direct	8/27/2025	S · Sale	−1.99K	$454.95	$903.08K	1.7%	119.37K	117.39K
Common Stock Direct	8/27/2025	S · Sale	−1.19K	$454.03	$538.48K	1.0%	117.39K	116.20K
Common Stock Direct	8/27/2025	S · Sale	−1.63K	$452.72	$737.93K	1.4%	116.20K	114.57K
Common Stock Direct	8/27/2025	S · Sale	−170.00	$451.76	$76.80K	0.1%	114.57K	114.40K
Total			+1.90K		-$1.86M

Derivative Transactions4

Employee Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

3.39K shares

−3.39K

Strike price

164.84

Held after

0.00

Exercisable

—

8/26/2025

Employee Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

3.31K shares

−3.31K

Strike price

143.87

Held after

0.00

Exercisable

—

8/26/2025

Employee Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

4K shares

−510.00

Strike price

195.82

Held after

3.49K

Exercisable

—

8/26/2025

Employee Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

4K shares

−2.10K

Strike price

176.20

Held after

1.90K

Exercisable

—

8/27/2025

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Employee Stock Option (right to buy) Direct	Common Stock3.39K shares	8/26/2025	M · Option Exercise	−3.39K	164.84	—	0.00
Employee Stock Option (right to buy) Direct	Common Stock3.31K shares	8/26/2025	M · Option Exercise	−3.31K	143.87	—	0.00
Employee Stock Option (right to buy) Direct	Common Stock4K shares	8/26/2025	M · Option Exercise	−510.00	195.82	—	3.49K
Employee Stock Option (right to buy) Direct	Common Stock4K shares	8/27/2025	M · Option Exercise	−2.10K	176.20	—	1.90K

Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect

Shares owned338.00

Total

338.00 indirect338.00

Security Title	Shares Owned	Ownership Type
Common Stock	338.00	Indirect
Total	338.00	338.00 indirect

Derivative Holdings (Post-Transaction)8

Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

11.10K

Shares owned

11.10K

Exercise price

261.32

Expiration

—

Exercise window

—

Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

3.58K

Shares owned

3.58K

Exercise price

355.90

Expiration

—

Exercise window

—

Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

2.98K

Shares owned

2.98K

Exercise price

424.82

Expiration

—

Exercise window

—

Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

5.74K

Shares owned

5.74K

Exercise price

238.60

Expiration

—

Exercise window

—

Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

Shares owned

Exercise price

183.87

Expiration

—

Exercise window

—

Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

4.12K

Shares owned

4.12K

Exercise price

325.99

Expiration

—

Exercise window

—

Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

3.26K

Shares owned

3.26K

Exercise price

400.97

Expiration

—

Exercise window

—

Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

9.36K

Shares owned

9.36K

Exercise price

197.80

Expiration

—

Exercise window

—

Total

Underlying

44.14K

Owned

44.14K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Employee Stock Option (right to buy) Direct	Common Stock	261.32	—	—	11.10K	11.10K
Employee Stock Option (right to buy) Direct	Common Stock	355.90	—	—	3.58K	3.58K
Employee Stock Option (right to buy) Direct	Common Stock	424.82	—	—	2.98K	2.98K
Employee Stock Option (right to buy) Direct	Common Stock	238.60	—	—	5.74K	5.74K
Employee Stock Option (right to buy) Direct	Common Stock	183.87	—	—	4K	4K
Employee Stock Option (right to buy) Direct	Common Stock	325.99	—	—	4.12K	4.12K
Employee Stock Option (right to buy) Direct	Common Stock	400.97	—	—	3.26K	3.26K
Employee Stock Option (right to buy) Direct	Common Stock	197.80	—	—	9.36K	9.36K
Total					44.14K	44.14K