VICHAIRATTANAWONG AMAREE ELIZABETH (Chief Operating Officer) exercised options at GAMESQUARE HOLDINGS, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 3 exercises

VICHAIRATTANAWONG AMAREE ELIZABETH

Filed: 9/23/2026ACC: 0001493152-26-043786

InsiderVICHAIRATTANAWONG AMAREE ELIZABETHCIK 2116454

→

IssuerGAMESQUARE HOLDINGS, INC.CIK 1714562

Officer· Chief Operating Officer

Since Feb 2026

+69.75K

Net shares

Net buyer

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

130.77K acquired · 61.02K disposed

Non-Derivative Transactions3

Common Stock

Direct

M · Option Exercise

+34.88K

Price / share

—

Trade value

—

% of position

279.0%

9/18/2026

12.50K→47.38K

Common Stock

Direct

M · Option Exercise

+19.61K

Price / share

—

Trade value

—

% of position

41.4%

9/18/2026

47.38K→66.99K

Common Stock

Direct

M · Option Exercise

+6.54K

Price / share

—

Trade value

—

% of position

9.8%

9/18/2026

66.99K→73.52K

Total

Net shares

+61.02K

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	9/18/2026	M · Option Exercise	+34.88K	—	—	279.0%	12.50K	47.38K
Common Stock Direct	9/18/2026	M · Option Exercise	+19.61K	—	—	41.4%	47.38K	66.99K
Common Stock Direct	9/18/2026	M · Option Exercise	+6.54K	—	—	9.8%	66.99K	73.52K
Total			+61.02K		$0.00

Derivative Transactions4

Options to Purchase Common Stock

Direct

A · Award

Converts to

Common Stock

34.88K shares

+34.88K

Strike price

3.31

Held after

93.70K

Exercisable

—

9/18/2026

Restricted Stock Units

Direct

A · Award

Converts to

Common Stock

34.88K shares

+34.88K

Strike price

Held after

61.02K

Exercisable

—

9/18/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

34.88K shares

−34.88K

Strike price

Held after

26.15K

Exercisable

—

9/18/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

26.15K shares

−26.15K

Strike price

Held after

0.00

Exercisable

—

9/18/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Options to Purchase Common Stock Direct	Common Stock34.88K shares	9/18/2026	A · Award	+34.88K	3.31	—	93.70K
Restricted Stock Units Direct	Common Stock34.88K shares	9/18/2026	A · Award	+34.88K		—	61.02K
Restricted Stock Units Direct	Common Stock34.88K shares	9/18/2026	M · Option Exercise	−34.88K		—	26.15K
Restricted Stock Units Direct	Common Stock26.15K shares	9/18/2026	M · Option Exercise	−26.15K		—	0.00

Non-Derivative Holdings (Post-Transaction)1

Common Stock

Direct

Shares owned12.50K

Total

12.50K direct12.50K

Security Title	Shares Owned	Ownership Type
Common Stock	12.50K	Direct
Total	12.50K	12.50K direct

Derivative Holdings (Post-Transaction)2

Options to Purchase Common Stock

Direct

Underlying security

Common Stock

Underlying shares

N/A

Shares owned

58.82K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

N/A

Shares owned

26.15K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

0.00

Owned

84.97K

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
Options to Purchase Common Stock Direct	Common Stock	—	—	N/A	58.82K
Restricted Stock Units Direct	Common Stock	—	—	N/A	26.15K
Total				0.00	84.97K