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SUNE · NASDAQ · Engineering & Construction

SUNation Energy (SUNE)

Installs solar, battery storage, roofing and grid services across New York and Hawaii.

$2.43
vs last close+0.09 (+3.85%)

13F · 13D/G · Form 4

Insiders20.49%682.9K shares
5 holders · as of May 1, 2026
Strategic holders31.07%1.04M shares
4 holders · as of Jul 8, 2026
Other48.44%1.61M shares
remainder

3.33M company shares as of Sep 20, 2026 · holders as of their latest filing

Two share counts disagree (6.51M in the company's Sep 22, 2026 report, 3.33M elsewhere); stakes use the report.

13F · 13D/G · Form 4

HolderStakeSharesDate
AWM Investment Company, Inc.Strategic10 percent owner
24.60%820,000filed Jul 8, 2026
Pinnacle Family Office Investments, L.P.Institution
18.75%625,000filed Aug 28, 2026
Scott MaskinInsiderdirector, 10 percent owner, officer: Chief Executive Officer
16.65%554,736filed May 1, 2026
Ayrton Capital LLCInstitution
10.86%361,881filed Aug 13, 2026
Jane Street Group, LLCStrategic
6.33%211,110filed Jul 2, 2026
James Robert BrennanInsiderofficer: Chief Financial Officer
3.70%123,269filed May 1, 2026
Pacific Growth Investment Advisors, LLC          I.D. No.Strategic
0.11%3,644filed Apr 6, 2022
Spring HollisInsiderdirector
0.08%2,610filed Dec 10, 2024
Roger HD LaceyInsiderdirector
0.06%2,000filed Dec 13, 2024
Hercules Capital, Inc.Strategic
0.02%740filed Apr 27, 2022
Kevin Michael OConnorInsiderdirector
0.01%322filed Dec 10, 2024
BML Investment Partners, L.P.Institution
5.20% of class, as filedfiled Nov 6, 2018
Communication Systems, Inc. Employee Stock Ownership Plan and TrustInstitution
5.60% of class, as filedfiled Feb 14, 2022
Curtis A. SampsonInsider
12.79% of class, as filedfiled Feb 14, 2020
D. SampsonInsider
20.10% of class, as filedfiled Apr 15, 2021
Hudson Bay Capital Management LPInstitution
9.99% of class, as filedfiled Feb 3, 2022
Jeffrey J. ConroyInsider
14.20% of class, as filedfiled Oct 16, 2024
Renaissance Technologies Holdings CorporationStrategic
6.49% of class, as filedfiled Feb 11, 2022
Randall D. SampsonInsider
18.50% of class, as filedfiled Feb 14, 2022

13F

No 13F holders on record.

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
AWM Investment Company, Inc.19.90%820.0K13GJul 8, 2026
Scott Maskin16.60%554.7K13DMay 1, 2026
Jeffrey J. Conroy14.20%13DOct 16, 2024
Pinnacle Family Office Investments, L.P.9.60%625.0K13GAug 28, 2026
Ayrton Capital LLC8.78%361.9K13GAug 13, 2026
Jane Street Group, LLC5.10%211.1K13GJul 2, 2026

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Apr 14, 2026
Scott Maskindirector, 10 percent owner, officer: Chief Executive Officer
Purchase554,712$1.77554,736
Apr 14, 2026
James Robert Brennanofficer: Chief Financial Officer
Purchase123,254$1.77123,269

House and Senate disclosures

Not reported.