Soluna Holdings, Inc. SLNHP NASDAQ

NASDAQ Capital Marke • Technology • Hardware, Equipment & Parts • US • USD

Soluna Holdings, Inc. (SLNHP) has 20 known insider and institutional holders on record. The largest holder is TOPOREK MICHAEL with 9,822,282 shares. Other notable holders include Phelan William P and PICCHI MICHAEL.

Over the last 12 months, insiders have made 63 transactions in SLNHP stock — 39 buys (valued at $5.28K) and 19 sells (valued at $306.76K). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.

SLNHP Insider Ownership

Top Holder

TOPOREK MICHAEL

9,822,282 shares

Buys (12 mo)

$5.28K value

Sells (12 mo)

$306.76K value

12-Month Transaction Activity

Buy 62%

Sell 30%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Toporek Michael	Director	9,822,282	2025-12-03	100%
2	Phelan William P	Director	1,318,715	2025-12-17	13%
3	Picchi Michael	Chief Financial Officer	1,281,250	2026-04-01	13%
4	Belizaire John	Chief Executive Officer	1,191,499	2025-12-11	12%
5	Marusak Thomas J	Director	1,149,040	2025-12-03	12%
6	Lipman Matthew E.	Director	977,402	2025-12-03	10%
7	Oreilly Mary Jennifer	Chief People Officer	977,274	2025-12-03	10%
8	Bottomley John	Director	977,158	2025-12-03	10%
9	Hazelip William	Director	976,458	2025-12-03	10%
10	Thomas Jessica L.	Chief Accounting Officer	795,197	2026-01-05	8%
11	Budzyn Agnieszka Teresa	Director	485,000	2025-12-03	5%
12	Sternlight Beno	Director	483,561	2004-04-13	5%
13	Lynch Kevin G	Chairman and CEO	185,000	2016-06-27	2%
14	Patman Philip F Jr	Chief Financial Officer	138,820	2023-04-18	1%
15	Michaels David C	Chief Financial Officer	52,977	2025-12-15	1%
16	Fischer Steven N	Executive Chairman	50,000	2007-04-23	1%
17	Lim Peng K	Chairman and CEO	50,000	2012-07-05	1%
18	Madhavji Alykhan	Director	41,600	2021-05-17	0%
19	Scheuer Cynthia A	VP, CFO & Secretary	38,750	2007-09-07	0%
20	Jones Frederick W.	Chief Executive & CFO	33,168	2018-05-11	0%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-04-01	Picchi Michael	Chief Financial Officer	Unknown	-	-	-
2026-01-01	Thomas Jessica L.	Chief Accounting Officer	RSU Award	460,000	-	-
2025-12-16	Phelan William P	Director	Informative Sell	1,300	$1.41	$1.83K
2025-12-12	Michaels David C	Chief Financial Officer	Informative Sell	5,669	$9.26	$52.49K
2025-12-12	Hirshfield Edward R	Director	Informative Sell	2,000	$9.76	$19.52K
2025-12-11	Hirshfield Edward R	Director	Informative Sell	741	$9.90	$7.34K
2025-12-10	Hirshfield Edward R	Director	Informative Sell	2,000	$9.70	$19.4K
2025-12-11	Phelan William P	Director	Informative Sell	3,737	$9.52	$35.58K
2025-12-10	Phelan William P	Director	Informative Sell	7,001	$9.58	$67.07K
2025-12-01	Belizaire John	Chief Executive Officer	Tax Withholding of RSU	20,979	$1.63	$34.2K
2025-12-01	Thomas Jessica L.	Chief Accounting Officer	Tax Withholding of RSU	3,412	$1.63	$5.56K
2025-12-01	Budzyn Agnieszka Teresa	Director	RSU Award	350,000	-	-
2025-12-01	Belizaire John	Chief Executive Officer	RSU Award	2,861,788	-	-
2025-12-01	Bottomley John	Director	RSU Award	685,074	-	-
2025-12-01	Oreilly Mary Jennifer	Chief People Officer	RSU Award	685,074	-	-
2025-12-01	Hazelip William	Director	RSU Award	685,074	-	-
2025-12-01	Thomas Jessica L.	Chief Accounting Officer	RSU Award	226,108	-	-
2025-12-01	Lipman Matthew E.	Director	RSU Award	685,074	-	-
2025-12-01	Hirshfield Edward R	Director	RSU Award	685,074	-	-
2025-12-01	Marusak Thomas J	Director	RSU Award	801,222	-	-
2025-12-01	Phelan William P	Director	RSU Award	917,932	-	-
2025-12-01	Toporek Michael	Director	RSU Award	6,894,614	-	-
2025-12-01	Michaels David C	Chief Financial Officer	RSU Award	801,222	-	-
2025-11-28	Hirshfield Edward R	Director	Informative Sell	1,000	$8.75	$8.75K
2025-11-21	Belizaire John	Chief Executive Officer	Informative Sell	4,922	$1.44	$7.09K