SLNH insider buying and SEC filings, explained
Soluna Holdings, Inc · CIK 64463
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$280K
Insiders who bought
2
Sold (not marked 10b5-1)
$1.3M
Planned sales (10b5-1)
$30K
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 23, 2026 | Sale | Jessica L. Thomas (Chief Accounting Officer) sold 30,000 shares at $1.26 ($38K). Holdings down 2% to 1,481,417 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 24, 2026 |
| Sep 3, 2026 | Sale | William P Phelan (Director) sold 12,037 shares at $1.12 ($13K). Holdings down 1% to 2,279,985 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 4, 2026 |
| Sep 1, 2026 | Planned (10b5-1) | John Belizaire (CEO and Director) sold 1,000 shares at $11.91 ($12K), marked as a 10b5-1 plan trade. Holdings down 1% to 98,042 shares. | SEC filing Filed Sep 1, 2026 |
| Aug 28–31, 2026 | Sale | William P Phelan (Director) sold 8,227 shares between Aug 28 and Aug 31 at about $12.18 ($100K). Holdings down 12% to 63,045 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 1, 2026 |
| Aug 28, 2026 | Purchase (code P) | Michael Picchi (CFO) bought 20,000 shares at $1.13 ($23K), reported as a purchase (code P). Holdings up 1% to 1,431,250 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 31, 2026 |
| Aug 26, 2026 | Purchase (code P) | John Belizaire (CEO and Director) bought 50,000 shares at $1.20 ($60K), reported as a purchase (code P). Holdings up 1% to 7,063,105 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 27, 2026 |
| Aug 25–27, 2026 | Sale | William P Phelan (Director) sold 14,961 shares between Aug 25 and Aug 27 at about $12.05 ($180K). Holdings down 17% to 71,272 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 27, 2026 |
| Aug 21–24, 2026 | Sale | William P Phelan (Director) sold 13,843 shares between Aug 21 and Aug 24 at about $12.06 ($167K). Holdings down 14% to 86,233 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 25, 2026 |
| Aug 20–24, 2026 | Purchase (code P) | Michael Picchi (CFO) bought 30,000 shares between Aug 20 and Aug 24 at about $1.15 ($34K), reported as a purchase (code P). Holdings up 2% to 1,411,250 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 24, 2026 |
| Aug 19–20, 2026 | Sale | William P Phelan (Director) sold 6,157 shares between Aug 19 and Aug 20 at about $12.58 ($77K). Holdings down 6% to 100,076 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 21, 2026 |
| Aug 17, 2026 | Sale | Edward R Hirshfield (Director) sold 9,007 shares at $12.34 ($111K). Holdings down 100% to 0 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 18, 2026 |
| Jun 17–22, 2026 | Sale | William P Phelan (Director) sold 18,000 shares between Jun 17 and Jun 22 at about $10.86 ($195K). Holdings down 14% to 106,233 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 22, 2026 |
| Jun 15, 2026 | Sale | Jessica L. Thomas (Chief Accounting Officer) sold 4,838 shares at $1.70 ($8K). Holdings down <1% to 1,516,760 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 17, 2026 |
| Jun 10–11, 2026 | Sale | Mary Jennifer OReilly (Chief People Officer) sold 6,800 shares between Jun 10 and Jun 11 at about $10.85 ($74K). Holdings down 100% to 0 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 12, 2026 |
| Jun 10, 2026 | Sale | Jessica L. Thomas (Chief Accounting Officer) sold 2,500 shares at $10.90 ($27K). Holdings down 74% to 900 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 12, 2026 |
| Jun 8, 2026 | Sale | Mary Jennifer OReilly (Chief People Officer) sold 6,600 shares at $10.80 ($71K). Holdings down 49% to 6,800 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 10, 2026 |
| Jun 1, 2026 | Sale | John Bottomley (Director) sold 1,000 shares at $10.00 ($10K). Holdings down 4% to 26,489 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 3, 2026 |
| Jun 1, 2026 | Planned (10b5-1) | John Belizaire (CEO and Director) sold 1,000 shares at $10.40 ($10K), marked as a 10b5-1 plan trade. Holdings down 1% to 99,042 shares. | SEC filing Filed Jun 1, 2026 |
| May 21, 2026 | Purchase (code P) | Michael Picchi (CFO) bought 100,000 shares at $1.63 ($163K), reported as a purchase (code P). Holdings up 8% to 1,381,250 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 22, 2026 |
| Apr 6, 2026 | Planned (10b5-1) | John Belizaire (CEO and Director) sold 1,000 shares at $7.25 ($7K), marked as a 10b5-1 plan trade. Holdings down 1% to 100,042 shares. | SEC filing Filed Apr 8, 2026 |
| Dec 16, 2025 | Sale | William P Phelan (Director) sold 1,300 shares at $1.41 ($2K). Holdings down <1% to 1,318,715 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 17, 2025 |
| Dec 12, 2025 | Sale | David C. Michaels (CFO and Director) sold 6,686 shares in 2 share classes at about $8.18 ($55K). Holdings of 9.0% Series A Cumulative Perpetual Preferred Stock down 10% to 52,977 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 15, 2025 |
| Dec 10–12, 2025 | Sale | Edward R Hirshfield (Director) sold 4,741 shares between Dec 10, 2025 and Dec 12, 2025 at about $9.76 ($46K). Holdings down 34% to 9,007 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 12, 2025 |
| Dec 10–11, 2025 | Sale | William P Phelan (Director) sold 10,738 shares between Dec 10, 2025 and Dec 11, 2025 at about $9.56 ($103K). Holdings down 8% to 124,233 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 12, 2025 |
| Nov 28, 2025 | Sale | Edward R Hirshfield (Director) sold 1,000 shares at $8.75 ($9K). Holdings down 7% to 13,748 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 2, 2025 |
| Nov 21–24, 2025 | Sale | Edward R Hirshfield (Director) sold 3,000 shares between Nov 21, 2025 and Nov 24, 2025 at about $7.46 ($22K). Holdings down 17% to 14,748 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 25, 2025 |
| Nov 21, 2025 | Sale | John Belizaire (CEO and Director) sold 9,222 shares at about $1.44 ($13K). Holdings down 1% to 1,212,478 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 25, 2025 |
| Nov 19–20, 2025 | Sale | William P Phelan (Director) sold 600 shares between Nov 19, 2025 and Nov 20, 2025 at about $7.76 ($5K). Holdings down <1% to 171,471 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 21, 2025 |
28 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
2 insiders bought in 30 days
$117K in purchases since Aug 24, 2026 · Purchases traded Aug 24, 2026 to Aug 28, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Michael Picchi (CFO) | $34K | Aug 24, 2026 | SEC filing |
| John Belizaire (CEO) | $60K | Aug 26, 2026 | SEC filing |
| Michael Picchi (CFO) | $23K | Aug 28, 2026 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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