74 transactions on file (5 open-market purchases and 39 open-market sales).
39 open-market sales by SLNH insiders, between Nov 19, 2025 and Sep 3, 2026.
Discretionary.
Planned (10b5-1).
Not stated.
The 5 open-market purchases on file carry no plan label.
| Date | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-09-03 | Phelan William P Director Open-market sale Discretionary | Open-market sale Discretionary | −12,037 | $1.12 | −13.48K | 2,279,985 |
| 2026-09-01 | OReilly Mary Jennifer Chief People Officer Tax withholding | Tax withholding | −16,189 | $1.05 | −17K | 1,687,486 |
| 2026-09-01 | Thomas Jessica L. Chief Accounting Officer Tax withholding | Tax withholding | −5,343 | $1.05 | −5.61K | 1,511,417 |
| 2026-09-01 | Belizaire John Chief Executive Officer · Director Open-market sale Planned (10b5-1) | Open-market sale Planned (10b5-1) | −1,000 | $11.91 | −11.91K | 98,042 |
| 2026-08-31 | Phelan William P Director Open-market sale Discretionary | Open-market sale Discretionary | −3,188 | $12.08 | −38.51K | 63,045 |
69 more transactions are on Measure
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| Insider | Role | On Sep 23, 2025 | Now | Change | Sold | Shape |
|---|---|---|---|---|---|---|
| Hirshfield Edward RDirector | Director | 17,748 | 0 | −100.00% | $189K$189K no plan | |
| OReilly Mary JenniferChief People Officer | Chief People Officer | 13,400 | 0 | −100.00% | $145K$145K no plan | |
| MICHAELS DAVID CChief Financial Officer, Director | Chief Financial Officer, Director | 1,180,804 | 52,977 | −95.51% | $54.72K$54.72K no plan |
The assistant answers from what SLNH has actually filed: 16 annual reports filed with the SEC, 74 Form 4 filings from the last year and 2 funds that hold it. Every figure in a reply links to the filing it came from, so an answer can be checked rather than believed.
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Source
From SEC Form 4 filings, filed within two business days of a transaction.
Past transactions say nothing about future ones, and none of this is investment advice.
What each insider held after every open-market trade, over the last twelve months.
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Watch SLNH and every open-market Form 4 worth a row (a purchase, a senior officer's sale, anything at a million dollars) lands in the bell and a daily email, with the 10b5-1 word on it when the filing says so. Free.
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Every Form 4 SLNH insiders file, not just the latest handful, with vesting and tax withholding struck out so what's left reads as a decision.
Every filingMeasure
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Each stake priced at the quarter it was filed, and diffed against the quarter before: how big a bet it is for them, and by how much it moved.
Every position, sizedMeasure
Ask what a run of filings adds up to
Whether this is one decision or a pattern, and how it compares with SLNH's own history of insider activity.
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The table above says who traded. This says what SLNH did over the following 30, 90 and 180 days after each open-market purchase and sale, from this company’s own record rather than a study about companies in general, and with the number of transactions shown beside every average.
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