Global Self Storage Ownership & Insider Activity

Global Self Storage (SELF) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 5.6% of shares outstanding. Institutional investors hold 9.9%. Over the past 90 days, insiders made 8 purchases worth $466K.

Shares Outstanding

11.421M

Shares Float

10.196M

Insider Shares Owned

643.569K

Insider % Owned

5.6%

Institutional Shares Held

1.132M

Institutional % Held

9.9%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

$466K total

Sales (90d)

Net Activity

Net Buying

Net Value (90d)

$466K

Global Self Storage Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 9, 2026	Mark Winmill	PRESIDENT AND CEO	BUY	4.000K	$5.16	$21K
Aug 25, 2026	WINMILL CO INC	—	BUY	15.308K	$5.65	$86K
Aug 21, 2026	WINMILL CO INC	—	BUY	15.139K	$5.54	$84K
Aug 19, 2026	WINMILL CO INC	—	BUY	13.778K	$5.41	$75K
Aug 17, 2026	WINMILL CO INC	—	BUY	12.853K	$5.33	$68K
Aug 13, 2026	Russell E. Burke, by power of attorney dated March 27, 2018	—	BUY	1.625K	$5.21	$8K
Aug 13, 2026	WINMILL CO INC	—	BUY	11.658K	$5.21	$61K
Aug 11, 2026	WINMILL CO INC	—	BUY	12.135K	$5.16	$63K
May 14, 2026	Mark Winmill	PRESIDENT AND CEO	BUY	4.000K	$5.33	$21K