Insider · CIK 0001311899
William P Phelan
Files at SLNH (Soluna Holdings, Inc). First filing Jun 12, 2025, latest Sep 4, 2026.
In brief
William P Phelan files SEC Form 4 as director at SLNH (Soluna Holdings, Inc). Since Jun 12, 2025, William P Phelan has reported 0 open-market buys worth $0 and 10 open-market sells worth $882k, the latest filed on Sep 4, 2026.
A track record needs three past buys with six months of prices behind them; William P Phelan has 0, so none is measured yet.
The newest scored trade: sold $13k of SLNH on Sep 3, 2026, filed Sep 4, 2026, scored 23 (weak). In the last 12 months: 0 buys worth $0 and 9 sells worth $843k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
SLNH: Soluna Holdings, Inc
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 23Weak | Soluna Holdings, Inc | $13k 12,037 shares | -1% | +161% from low-73% from high | |
| 45Moderate | Soluna Holdings, Inc | $100k 8,227 shares | -12% | +141% from low-75% from high | |
| 47Moderate | Soluna Holdings, Inc | $180k 14,961 shares | -17% | +167% from low-72% from high | |
| 46Moderate | Soluna Holdings, Inc | $167k 13,843 shares | -14% | +162% from low-73% from high | |
| 38Weak | Soluna Holdings, Inc | $77k 6,157 shares | -6% | +179% from low-73% from high | |
| 47Moderate | Soluna Holdings, Inc | $195k 18,000 shares | -14% | +312% from low-60% from high | |
| 30Weak | Soluna Holdings, Inc | $1,833 1,300 shares | -0% | +258% from low-68% from high | |
| 40Moderate | Soluna Holdings, Inc | $103k 10,738 shares | -8% | +393% from low-55% from high | |
| 30Weak | Soluna Holdings, Inc | $4,658 600 shares | -0% | +355% from low-59% from high | |
| 36Weak | Soluna Holdings, Inc | $39k 13,350 shares | -7% | +70% from low-85% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Sep 3, 2026 | SLNH Soluna Holdings, Inc | 12,037 0.00% of outstanding | $13k | Sep 3, 2026 | $720k |
| Aug 19, 2026 | SLNH Soluna Holdings, Inc | 43,188 0.02% of outstanding | $539k | Aug 19, 2026 | $195k |
| Jun 17, 2026 | SLNH Soluna Holdings, Inc | 18,000 0.37% of outstanding | $193k | Jun 17, 2026 | none |
| Dec 16, 2025 | SLNH Soluna Holdings, Inc | 1,301 0.00% of outstanding | $2,043 | Dec 16, 2025 | $107k |
| Nov 19, 2025 | SLNH Soluna Holdings, Inc | 11,338 0.23% of outstanding | $96k | Nov 19, 2025 | none |
| Jun 11, 2025 | SLNH Soluna Holdings, Inc | 10,000 0.07% of outstanding | $29k | Jun 11, 2025 | $30k |
| Jun 10, 2025 | SLNH Soluna Holdings, Inc | 20,000 0.15% of outstanding | $75k | Jun 10, 2025 | none |
Transactions
Every row this insider has filed, 26 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 3, 2026 | SLNH Soluna Holdings, Inc | SOpen-market sale Common Stock | -12,037 | $1.12 | $13k | 2,279,985 | 40 d ago |
| Aug 28, 2026 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -5,039 | $12.25 | $62k | 66,233 | 43 d ago |
| Aug 31, 2026 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -3,188 | $12.08 | $39k | 63,045 | 43 d ago |
| Aug 25, 2026 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -5,000 | $12.00 | $60k | 81,233 | Aug 27, 2026 |
| Aug 26, 2026 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -1,862 | $12.09 | $23k | 79,371 | Aug 27, 2026 |
| Aug 27, 2026 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -8,099 | $12.08 | $98k | 71,272 | Aug 27, 2026 |
| Aug 21, 2026 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -8,843 | $12.29 | $109k | 91,233 | Aug 25, 2026 |
| Aug 24, 2026 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -5,000 | $11.66 | $58k | 86,233 | Aug 25, 2026 |
| Aug 19, 2026 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -5,000 | $12.61 | $63k | 101,233 | Aug 21, 2026 |
| Aug 20, 2026 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -1,157 | $12.45 | $14k | 100,076 | Aug 21, 2026 |
| Jun 17, 2026 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -10,113 | $10.75 | $109k | 114,120 | Jun 22, 2026 |
| Jun 18, 2026 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -4,813 | $11.00 | $53k | 109,307 | Jun 22, 2026 |
| Jun 22, 2026 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -3,074 | $11.00 | $34k | 106,233 | Jun 22, 2026 |
| Jun 1, 2026 | SLNH Soluna Holdings, Inc | AGrant or award Common Stock | +973,307 | $0.00 | $0 | 2,292,022 | Jun 3, 2026 |
| Dec 16, 2025 | SLNH Soluna Holdings, Inc | SOpen-market sale Common Stock | -1,300 | $1.41 | $1,833 | 1,318,715 | Dec 17, 2025 |
| Dec 10, 2025 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -7,001 | $9.58 | $67k | 127,970 | Dec 12, 2025 |
| Dec 11, 2025 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -3,737 | $9.52 | $36k | 124,233 | Dec 12, 2025 |
| Dec 1, 2025 | SLNH Soluna Holdings, Inc | AGrant or award Common Stock | +917,932 | $0.00 | $0 | 1,320,015 | Dec 3, 2025 |
| Nov 19, 2025 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -100 | $7.58 | $758 | 171,971 | Nov 21, 2025 |
| Nov 20, 2025 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -500 | $7.80 | $3,900 | 171,471 | Nov 21, 2025 |
| Nov 21, 2025 | SLNH Soluna Holdings, Inc | GGift 9.0% Series A Cumulative Perpetual Preferred Stock | -36,500 | $0.00 | $0 | 134,971 | Nov 21, 2025 |
| Sep 1, 2025 | SLNH Soluna Holdings, Inc | AGrant or award Common Stock | +133,560 | $0.00 | $0 | 402,083 | Sep 2, 2025 |
| Jun 10, 2025 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -10,000 | $2.98 | $30k | 175,421 | Jun 12, 2025 |
| Jun 11, 2025 | SLNH Soluna Holdings, Inc | SOpen-market sale 9.0% Series A Cumulative Perpetual Preferred Stock | -3,350 | $2.80 | $9,380 | 172,071 | Jun 12, 2025 |
| Jun 1, 2025 | SLNH Soluna Holdings, Inc | AGrant or award Common Stock | +99,115 | $0.00 | $0 | 268,523 | Jun 3, 2025 |
| Dec 1, 2024 | SLNH Soluna Holdings, Inc | AGrant or award Common Stock | +49,315 | $0.00 | $0 | 169,408 | Dec 3, 2024 |
Questions about William P Phelan
Answered from the filings on this page, as of the latest one.
Is William P Phelan buying or selling?
In the last 12 months William P Phelan reported 0 open-market buys worth $0 and 9 open-market sells worth $843k on SEC Form 4; the latest was sold $13k of SLNH on Sep 3, 2026. Grants, option exercises and tax withholding are not counted.
How did William P Phelan's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and William P Phelan has 0.
Where does William P Phelan file Form 4?
William P Phelan has filed Form 4 at SLNH (Soluna Holdings, Inc). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.