William P. Phelan - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
William P. Phelan has filed 2 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $305K.
Profile
William P. Phelan holds the role of Director at Soluna Holdings, Inc (SLNHP). Phelan has reported 14 insider filings with the SEC since 2024. The most recent filing was in June 2026.
| Role | Director |
|---|---|
| Notability | 26/100 |
Board memberships
- Soluna Holdings, Inc
Reported roles
- Director
Trading Pattern
InsiderAlpha's records for William P. Phelan go back to 2024: 8 primary Form 4 filings, an average of 2.7 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role William P. Phelan has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Director at Soluna Holdings, Inc (SLNHP) - 8 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-22 | SLNHP | Soluna Holdings, Inc | S - Open-market sale | 3.1K | $11.00 | $34K |
| 2026-06-22 | SLNHP | Soluna Holdings, Inc | S - Open-market sale | 4.8K | $11.00 | $53K |
| 2026-06-22 | SLNHP | Soluna Holdings, Inc | S - Open-market sale | 10.1K | $10.75 | $109K |
| 2026-06-03 | SLNHP | Soluna Holdings, Inc | A - Grant or award | 973.3K | $0.00 | |
| 2025-12-17 | SLNHP | Soluna Holdings, Inc | S - Open-market sale | 1.3K | $1.41 | $2K |
| 2025-12-12 | SLNHP | Soluna Holdings, Inc | S - Open-market sale | 3.7K | $9.52 | $36K |
| 2025-12-12 | SLNHP | Soluna Holdings, Inc | S - Open-market sale | 7.0K | $9.58 | $67K |
| 2025-12-03 | SLNHP | Soluna Holdings, Inc | A - Grant or award | 917.9K | $0.00 | |
| 2025-11-21 | SLNHP | Soluna Holdings, Inc | G - Bona-fide gift | 36.5K | $0.00 | |
| 2025-11-21 | SLNHP | Soluna Holdings, Inc | S - Open-market sale | 500 | $7.80 | $4K |
| 2025-11-21 | SLNHP | Soluna Holdings, Inc | S - Open-market sale | 100 | $7.58 | $758 |
| 2025-09-01 | SLNHP | Soluna Holdings, Inc | A - Grant or award | 133.6K | $0.00 | |
| 2024-12-03 | SLNHP | Soluna Holdings, Inc | A - Grant or award | 49.3K | $0.00 |
Companies - Last 90 Days
- Soluna Holdings, Inc (SLNHP) - 2 filings, last 2026-06-22
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies William P. Phelan has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Michael Picchi - $163K of SLNHP open-market activity in the last 12 months
- Mary Jennifer Oreilly - $145K of SLNHP open-market activity in the last 12 months
- Edward R. Hirshfield - $77K of SLNHP open-market activity in the last 12 months
- Jessica L. Thomas - $35K of SLNHP open-market activity in the last 12 months
- John Belizaire - $31K of SLNHP open-market activity in the last 12 months
- John Bottomley - $10K of SLNHP open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Gregg Williams
- Stephen T. Wills
- WINMILL CO. INC
- Caroline Young
- Jeffrey Yu
- George Raymond Zage III
- Payam Zamani
- Mahkam Zanganeh
Frequently Asked Questions
Who is William P. Phelan?
William P. Phelan holds the role of Director at Soluna Holdings, Inc (SLNHP). Phelan has reported 14 insider filings with the SEC since 2024. The most recent filing was in June 2026.…
How many SEC Form 4 filings has William P. Phelan submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has William P. Phelan been buying or selling stock?
Recorded transactions: 0 open-market purchases and 8 open-market sales ($305K) across all tracked filings.
Where can I see all of William P. Phelan's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live William P. Phelan profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.