WINMILL MARK CAMPBELL

SELF

WINMILL MARK CAMPBELL serves as director, officer: President and CEO at Global Self Storage, Inc. (SELF). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

12 trades

$395.4K

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$395.4K

Companies Traded

SELF

Active Period

Aug 2021 – May 2026

12 total trades

Most Recent

Buy SELF

May 15, 2026 · $21.3K

WINMILL MARK CAMPBELL's Insider Trading at Global Self Storage, Inc. (SELF)

Buys

12 · $395.4K

Sells

0 · $0.00

Total Shares Bought

76,499

Total Shares Sold

SELF Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 15, 2026	Buy	4,000	$5.33	$21.3K	368,582
Dec 3, 2025	Buy	16,400	$5.12	$84.0K	0
May 19, 2025	Buy	10,000	$5.67	$56.7K	0
May 30, 2024	Buy	22,899	$4.96	$113.6K	287,494
Nov 17, 2023	Buy	7,200	$4.83	$34.8K	210,402
Aug 18, 2023	Buy	1,000	$5.07	$5.1K	203,202
May 16, 2023	Buy	6,300	$5.13	$32.3K	202,202
Nov 21, 2022	Buy	3,000	$5.18	$15.5K	179,637
Aug 24, 2022	Buy	2,000	$6.07	$12.1K	176,637
May 23, 2022	Buy	1,700	$5.74	$9.8K	171,837
Aug 25, 2021	Buy	1,000	$5.12	$5.1K	162,112
Aug 24, 2021	Buy	1,000	$5.10	$5.1K	158,112

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