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SELF

STRONG

Global Self Storage, Inc.

CIK: 0001031235

Buy (90% confidence)

Last activity: Dec 5, 2025

Financial Metrics

As of Dec 31, 2024 (10-K)

Revenue $12.53M
Total Cash $6.36M

Trend Signals

CEO Buy STRONG

CEO buying activity

Dec 5, 2025

Insider Roster (3 total, 3 active)

Insider Buys Sells Net Value Holdings
WINMILL & CO. INC
OTHER
8 0 $196K
147,641 shares
$764K
WINMILL MARK CAMPBELL
President and CEO
4 0 $84K
339,238.289 shares
$1.73M
Klimoski Donald II
General Counsel
1 0 $2K
86,500 shares
$437K

Recent Transactions

BUY WINMILL MARK CAMPBELL (President and CEO)

3,600 shares @ $5.09

$18K

Dec 5, 2025

Conviction: | View SEC Filing →
BUY WINMILL MARK CAMPBELL (President and CEO)

800 shares @ $5.05

$4K

Dec 5, 2025

Conviction: | View SEC Filing →
BUY WINMILL MARK CAMPBELL (President and CEO)

6,000 shares @ $5.14

$31K

Dec 4, 2025

Conviction: | View SEC Filing →
BUY WINMILL MARK CAMPBELL (President and CEO)

6,000 shares @ $5.13

$31K

Dec 3, 2025

Conviction: | View SEC Filing →
BUY Klimoski Donald II (General Counsel)

446 shares @ $5.05

$2K

Dec 2, 2025

Conviction: | View SEC Filing →
BUY WINMILL & CO. INC (OTHER)

3,062 shares @ $5.18

$16K

Dec 1, 2025

Conviction: | View SEC Filing →
BUY WINMILL & CO. INC (OTHER)

3,342 shares @ $5.16

$17K

Nov 28, 2025

Conviction: | View SEC Filing →
BUY WINMILL & CO. INC (OTHER)

4,873 shares @ $5.17

$25K

Nov 26, 2025

Conviction: | View SEC Filing →
BUY WINMILL & CO. INC (OTHER)

4,547 shares @ $5.18

$24K

Nov 25, 2025

Conviction: | View SEC Filing →
BUY WINMILL & CO. INC (OTHER)

4,064 shares @ $5.14

$21K

Nov 24, 2025

Conviction: | View SEC Filing →
BUY WINMILL & CO. INC (OTHER)

6,226 shares @ $5.09

$32K

Nov 21, 2025

Conviction: | View SEC Filing →
BUY WINMILL & CO. INC (OTHER)

5,870 shares @ $5.08

$30K

Nov 20, 2025

Conviction: | View SEC Filing →
BUY WINMILL & CO. INC (OTHER)

6,226 shares @ $5.13

$32K

Nov 19, 2025

Conviction: | View SEC Filing →

⚠️ Important Disclaimer

• This is AI-generated analysis for educational purposes only, not financial advice.

• Insider trading data is derived from SEC Form 4 filings and may contain errors.

• Always conduct your own research and consult qualified financial advisors before making investment decisions.