Soluna Holdings, Inc. (SLNH) Insider Trading
Over the last 3 months, SLNH insiders made 3 open-market buys and 16 sales, a net sale of -$818K (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 15 institutions increased and 9 reduced their position (13F).
Insider Activity
Sentiment
11/100
Buys (3m)
3
Sells (3m)
16
Net (3m)
-$817.5K
Insiders buyingCluster buying
Insider trades by month Buys Sells
Nov
Dec
Apr
May
Jun
Aug
Context3-month price -34.1%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 27, 2026 | Phelan William Pdirector | Sell | 5,000 | $12.00 |
| Aug 27, 2026 | Phelan William Pdirector | Sell | 1,862 | $12.09 |
| Aug 27, 2026 | Phelan William Pdirector | Sell | 8,099 | $12.08 |
| Aug 27, 2026 | Belizaire Johndirector, officer: Chief Executive Officer | Buy | 50,000 | $1.20 |
| Aug 25, 2026 | Phelan William Pdirector | Sell | 5,000 | $11.66 |
| Aug 25, 2026 | Phelan William Pdirector | Sell | 8,843 | $12.29 |
| Aug 24, 2026 | PICCHI MICHAELofficer: Chief Financial Officer | Buy | 10,000 | $1.14 |
| Aug 24, 2026 | PICCHI MICHAELofficer: Chief Financial Officer | Buy | 20,000 | $1.15 |
| Aug 21, 2026 | Phelan William Pdirector | Sell | 5,000 | $12.61 |
| Aug 21, 2026 | Phelan William Pdirector | Sell | 1,157 | $12.45 |
| Aug 18, 2026 | Hirshfield Edward Rdirector | Sell | 9,007 | $12.34 |
| Aug 4, 2026 | Carver Ryanofficer: Chief Development Officer | Grant | 3,200,000 | — |
| Jun 22, 2026 | Phelan William Pdirector | Sell | 10,113 | $10.75 |
| Jun 22, 2026 | Phelan William Pdirector | Sell | 3,074 | $11.00 |
| Jun 22, 2026 | Phelan William Pdirector | Sell | 4,813 | $11.00 |
| Jun 17, 2026 | Thomas Jessica L.officer: Chief Accounting Officer | Sell | 4,838 | $1.70 |
| Jun 12, 2026 | OReilly Mary Jenniferofficer: Chief People Officer | Sell | 1,071 | $11.10 |
| Jun 12, 2026 | Thomas Jessica L.officer: Chief Accounting Officer | Sell | 2,500 | $10.90 |
| Jun 12, 2026 | OReilly Mary Jenniferofficer: Chief People Officer | Sell | 5,729 | $10.80 |
| Jun 10, 2026 | OReilly Mary Jenniferofficer: Chief People Officer | Sell | 6,600 | $10.80 |
| Jun 1, 2026 | Belizaire Johndirector, officer: Chief Executive Officer | Sell | 1,000 | $10.40 |
| May 22, 2026 | PICCHI MICHAELofficer: Chief Financial Officer | Buy | 100,000 | $1.63 |
| Apr 8, 2026 | Belizaire Johndirector, officer: Chief Executive Officer | Sell | 1,000 | $7.25 |
| Jan 5, 2026 | Thomas Jessica L.officer: Chief Accounting Officer | Grant | 460,000 | — |
| Dec 17, 2025 | Phelan William Pdirector | Sell | 1,300 | $1.41 |
| Dec 15, 2025 | MICHAELS DAVID Cdirector, officer: Chief Financial Officer | Sell | 1,017 | $2.19 |
| Dec 15, 2025 | MICHAELS DAVID Cdirector, officer: Chief Financial Officer | Sell | 5,669 | $9.26 |
| Dec 12, 2025 | Phelan William Pdirector | Sell | 3,737 | $9.52 |
| Dec 12, 2025 | Phelan William Pdirector | Sell | 7,001 | $9.58 |
| Dec 12, 2025 | Hirshfield Edward Rdirector | Sell | 741 | $9.90 |
Source: SLNH SEC Form 4 filings, latest Aug 27, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their SLNH positions over the last 6 months (SEC Form 13F).
Increased
15
New positions
12
Reduced
9
Sold out
44
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2.7M | May 15, 2026 |
| UBS GROUP AG | Reduced | 890K | May 5, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 835K | May 14, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. | Increased | 797K | May 15, 2026 |
| BLACKROCK, INC. | Increased | 785K | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 627K | May 15, 2026 |
| MARSHALL WACE, LLP | Increased | 587K | May 15, 2026 |
| DIAMETRIC CAPITAL, LP | Increased | 443K | May 15, 2026 |
| INTRINSIC EDGE CAPITAL MANAGEMENT LLC | Increased | 350K | May 18, 2026 |
| YORKVILLE ADVISORS GLOBAL, LP | New Position | 336K | May 13, 2026 |
| VANGUARD FIDUCIARY TRUST CO | New Position | 294K | May 8, 2026 |
| STATE STREET CORP | Increased | 293K | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 140K | May 15, 2026 |
| MGO ONE SEVEN LLC | New Position | 122K | May 14, 2026 |
| INVESCO LTD. | New Position | 117K | May 12, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.