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Global Self Storage, Inc.

NASDAQ · Real Estate · REIT - Industrial · US

$5.03
−0.40%
Ask drillr
17
Insider buys (3m)
0
Insider sells (3m)
$465.8K
Net value (3m)
-2.0%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Sep 11, 2026WINMILL MARK CAMPBELL · director, officer: President and CEOPurchase2,058$5.16
Sep 11, 2026WINMILL MARK CAMPBELL · director, officer: President and CEOPurchase1,600$5.16
Sep 11, 2026WINMILL MARK CAMPBELL · director, officer: President and CEOPurchase50$5.16
Sep 11, 2026WINMILL MARK CAMPBELL · director, officer: President and CEOPurchase292$5.16
Aug 26, 2026WINMILL & CO. INC · other: See "Explanation of Responses"Purchase7,547$5.66
Aug 26, 2026WINMILL & CO. INC · other: See "Explanation of Responses"Purchase7,761$5.64
Aug 24, 2026WINMILL & CO. INC · other: See "Explanation of Responses"Purchase8,022$5.62
Aug 24, 2026WINMILL & CO. INC · other: See "Explanation of Responses"Purchase7,117$5.45
Aug 20, 2026WINMILL & CO. INC · other: See "Explanation of Responses"Purchase6,877$5.40
Aug 20, 2026WINMILL & CO. INC · other: See "Explanation of Responses"Purchase6,901$5.42
Aug 18, 2026WINMILL & CO. INC · other: See "Explanation of Responses"Purchase7,117$5.33
Aug 18, 2026WINMILL & CO. INC · other: See "Explanation of Responses"Purchase5,736$5.32
Aug 14, 2026WINMILL & CO. INC · other: See "Explanation of Responses"Purchase6,029$5.23
Aug 14, 2026BURKE RUSSELL E III · directorPurchase1,625$5.21
Aug 14, 2026WINMILL & CO. INC · other: See "Explanation of Responses"Purchase5,629$5.20
Aug 13, 2026BURKE RUSSELL E III · directorA-Award196$5.10
Aug 13, 2026Zachary William Chester · directorA-Award196$5.10
Aug 12, 2026WINMILL & CO. INC · other: See "Explanation of Responses"Purchase6,248$5.15
Aug 12, 2026WINMILL & CO. INC · other: See "Explanation of Responses"Purchase5,887$5.17
May 15, 2026WINMILL MARK CAMPBELL · director, officer: President and CEOPurchase4,000$5.33
May 14, 2026BURKE RUSSELL E III · directorA-Award94$5.31
May 14, 2026Zachary William Chester · directorA-Award94$5.31
Apr 1, 2026Zachary William Chester · directorA-Award2,739$5.11
Apr 1, 2026BURKE RUSSELL E III · directorA-Award2,739$5.11
Mar 25, 2026WINMILL MARK CAMPBELL · director, officer: President and CEOA-Award12,672$5.08
Mar 25, 2026Klimoski Donald II · officer: General CounselA-Award5,527$5.08
Mar 25, 2026OMalley Thomas · officer: Chief Financial OfficerA-Award5,527$5.08
Mar 25, 2026Kamerman Russell · officer: Assistant General CounselA-Award500$5.10
Dec 5, 2025WINMILL MARK CAMPBELL · director, officer: President and CEOPurchase6,000$5.14
Dec 5, 2025WINMILL MARK CAMPBELL · director, officer: President and CEOPurchase3,600$5.09
Institutional positioning

13F filings over the trailing two quarters

New 18Increased 39Reduced 27Sold out 4
FilerActionSharesFiled
WINMILL & CO. INCUnchanged586,500Aug 13, 2026
WINMILL & CO. INCUnchanged586,500May 14, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased434,491Aug 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position430,003May 15, 2026
BlackRock, Inc.Increased397,495Aug 7, 2026
BLACKROCK, INC.Increased294,640May 13, 2026
MARATHON CAPITAL MANAGEMENTIncreased260,784Jul 22, 2026
MARATHON CAPITAL MANAGEMENTReduced259,627May 14, 2026
Private Capital Management, LLCIncreased223,337Aug 14, 2026
RENAISSANCE TECHNOLOGIES LLCIncreased216,175May 14, 2026
RENAISSANCE TECHNOLOGIES LLCReduced198,075Aug 13, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased144,262May 15, 2026
GEODE CAPITAL MANAGEMENT, LLCReduced143,249Aug 12, 2026
WELLS FARGO & COMPANY/MNIncreased130,919Jul 8, 2026
WELLS FARGO & COMPANY/MNReduced130,918Aug 14, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 11, 2026