GRASSLE JENELE C sold 60.9% of their position (3.90K shares) of WINMARK CORP on the open market

Open‑market sale worth $1.86M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

GRASSLE JENELE C

Filed: 3/5/2026ACC: 0001218668-26-000004

InsiderGRASSLE JENELE CCIK 1218668

→

IssuerWINMARK CORPCIK 908315

Director

Since Mar 2026

-3.90K

Net shares

Net seller

$1.86M

Total sold

Open market trades

0B · 1S

Total transactions

3.90K disposed

Non-Derivative Transactions1

Common Stock

Direct

S · Sale

−3.90K

Price / share

$475.80

Trade value

$1.86M

% of position

60.9%

3/4/2026

6.40K→2.50K

Total

Net shares

−3.90K

Net value

-$1.86M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	3/4/2026	S · Sale	−3.90K	$475.80	$1.86M	60.9%	6.40K	2.50K
Total			−3.90K		-$1.86M

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)12

Non-Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

240.00

Shares owned

240.00

Exercise price

446.68

Expiration

—

Exercise window

—

Non-Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

620.00

Shares owned

620.00

Exercise price

238.60

Expiration

—

Exercise window

—

Non-Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

750.00

Shares owned

750.00

Exercise price

143.87

Expiration

—

Exercise window

—

Non-Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

256.00

Shares owned

256.00

Exercise price

444.54

Expiration

—

Exercise window

—

Non-Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

750.00

Shares owned

750.00

Exercise price

195.82

Expiration

—

Exercise window

—

Non-Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

380.00

Shares owned

380.00

Exercise price

325.99

Expiration

—

Exercise window

—

Non-Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

880.00

Shares owned

880.00

Exercise price

197.80

Expiration

—

Exercise window

—

Non-Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

300.00

Shares owned

300.00

Exercise price

400.97

Expiration

—

Exercise window

—

Non-Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

300.00

Shares owned

300.00

Exercise price

355.90

Expiration

—

Exercise window

—

Non-Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

280.00

Shares owned

280.00

Exercise price

424.82

Expiration

—

Exercise window

—

Non-Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

750.00

Shares owned

750.00

Exercise price

261.32

Expiration

—

Exercise window

—

Non-Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

750.00

Shares owned

750.00

Exercise price

183.87

Expiration

—

Exercise window

—

Total

Underlying

6.26K

Owned

6.26K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Non-Employee Stock Option (right to buy) Direct	Common Stock	446.68	—	—	240.00	240.00
Non-Employee Stock Option (right to buy) Direct	Common Stock	238.60	—	—	620.00	620.00
Non-Employee Stock Option (right to buy) Direct	Common Stock	143.87	—	—	750.00	750.00
Non-Employee Stock Option (right to buy) Direct	Common Stock	444.54	—	—	256.00	256.00
Non-Employee Stock Option (right to buy) Direct	Common Stock	195.82	—	—	750.00	750.00
Non-Employee Stock Option (right to buy) Direct	Common Stock	325.99	—	—	380.00	380.00
Non-Employee Stock Option (right to buy) Direct	Common Stock	197.80	—	—	880.00	880.00
Non-Employee Stock Option (right to buy) Direct	Common Stock	400.97	—	—	300.00	300.00
Non-Employee Stock Option (right to buy) Direct	Common Stock	355.90	—	—	300.00	300.00
Non-Employee Stock Option (right to buy) Direct	Common Stock	424.82	—	—	280.00	280.00
Non-Employee Stock Option (right to buy) Direct	Common Stock	261.32	—	—	750.00	750.00
Non-Employee Stock Option (right to buy) Direct	Common Stock	183.87	—	—	750.00	750.00
Total					6.26K	6.26K