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ACFN · NASDAQ · Hardware, Equipment & Parts

Acorn Energy (ACFN)

Supplies remote monitoring and control for power equipment and gas-pipeline protection systems.

$20.00

Pre-market+0.47 (+2.41%)

At close$19.53(+1.88%)

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Breakdown13F · 13D/G · Form 4

	Insiders6 holders · as of Jun 24, 2026	22.31%	559.8K shares
	Otherremainder	77.69%	1.95M shares

2.51M company shares as of Sep 3, 2026 · holders as of their latest filing

Top shareholders13F · 13D/G · Form 4

Holder	Stake	Shares	Evidence
Jan H. LoebInsiderdirector, 10 percent owner, officer: President and CEO	9.65%	242,198	Form 4filed Dec 11, 2024 ↗
Charles SklarInsider	6.46%	162,111	13G/Afiled Oct 18, 2024 ↗
Michael OstererInsiderdirector	5.03%	126,211	Form 4filed Feb 9, 2026 ↗
Gary MohrInsiderdirector	0.70%	17,661	Form 4filed Feb 9, 2026 ↗
Samuel M. ZentmanInsiderdirector	0.29%	7,242	Form 4filed Feb 9, 2026 ↗
Tracy Simmons CliffordInsiderofficer: Chief Financial Officer	0.17%	4,360	Form 4filed Jun 24, 2026 ↗
Tide Capital Acorn LLCStrategic	—11.00% of class, as filed	—	13Dfiled Jul 8, 2019 ↗
Leap Tide Capital Acorn LLC¹Strategic10 percent owner	10.89%	273,251	Form 4filed Jul 2, 2019 ↗
Peter Rabover²Insiderdirector	4.91%	123,219	Form 4filed Mar 22, 2023 ↗
Edgar S. Jr Woolard³Insiderdirector	2.05%	51,397	Form 4filed Jan 3, 2018 ↗
Mannie L. Jackson⁴Insiderdirector	1.59%	39,933	Form 4filed Jan 4, 2017 ↗
Michael Barth⁵Insiderofficer: Chief Financial Officer	0.23%	5,894	Form 4filed Dec 27, 2016 ↗

Last filed Jul 2, 2019; leaving the company requires no filing. Not in the bar.
Last filed Mar 22, 2023; leaving the company requires no filing. Not in the bar.
Last filed Jan 3, 2018; leaving the company requires no filing. Not in the bar.
Last filed Jan 4, 2017; leaving the company requires no filing. Not in the bar.
Last filed Dec 27, 2016; leaving the company requires no filing. Not in the bar.

13D/13G — an ownership statement filed at 5% or more · Form 4 — an insider's transaction report

Institutions13F

No 13F holders on record.

Ownership statements13D/G · 5% or more, as filed

Holder	% of class	Shares	Form	Filed
Charles Sklar	6.50%	162.1K	13G/A	Oct 18, 2024 ↗

Acorn Energy (ACFN)

Breakdown13F · 13D/G · Form 4

Top shareholders13F · 13D/G · Form 4

Institutions13F

Ownership statements13D/G · 5% or more, as filed

Insider tradesForm 4

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