WINMILL & CO. INC

PrivateCIK: 52234
Location

WALPOLE, NH

WINMILL & CO. INC purchased 4.5% of their position (6.40K shares) of GLOBAL SELF STORAGE, INC. on the open market

Open‑market purchase worth $33.1K — a small addition. The strongest form of insider conviction signal.

P · 2 purchases
InsiderWINMILL & CO. INCCIK 52234
IssuerGLOBAL SELF STORAGE, INC.CIK 1031235
Other
Since Dec 2019
+6.40K
Net shares
Net buyer
$33.1K
Total acquired
2
Open market trades
2B · 0S
2
Total transactions
6.40K acquired
Non-Derivative Transactions2

Common Stock

Direct
P · Purchase

Shares

+3.34K

Price / share

$5.16

Trade value

$17.23K

% of position

2.4%
11/28/2025
141.24K144.58K

Common Stock

Direct
P · Purchase

Shares

+3.06K

Price / share

$5.18

Trade value

$15.85K

% of position

2.1%
12/1/2025
144.58K147.64K
Total

Net shares

+6.40K

Net value

$33.08K

Derivative Transactions0
No derivative transactions reported
WINMILL & CO. INC — Insider Transaction (Form 4) Filed Dec 1, 2025 | Finecho