This is a routine initial ownership filing with no trading signal. Monitor future Form 4 filings by Haiyan Song for any open-market transactions that may provide insight into insider sentiment.
Price Chart
Executive Summary
Haiyan Song filed a Form 3 initial statement of beneficial ownership with a Power of Attorney authorizing officers to file future Section 16 reports. This is a routine administrative filing for a new reporting person — no ownership amounts, transactions, or material financial information are disclosed.
Key Facts
- Form 3 filed by Haiyan Song as a reporting person for Eos Energy Enterprises, Inc.
- Filing date: July 15, 2026; period of report: July 9, 2026
- Power of Attorney executed July 9, 2026, authorizing multiple officers to file Forms 3, 4, and 5
- No beneficial ownership amounts, securities, or transactions are disclosed in the filing
Financial Impact
No financial impact — administrative filing only
Risk Factors
- No material risks identified from this filing
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 4 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 3 Filing (Primary) | 0001628280-26-048342 |
| Document: 0001628280-26-048342-index-headers.html | 0001628280-26-048342 |
| Document: 0001628280-26-048342-index.html | 0001628280-26-048342 |
| Document: 0001628280-26-048342.txt | 0001628280-26-048342 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 19, 2026 7d ago | 8-K | $1.81 $1.62 | ▼ −10.50% | ▼ −10.35% | $1.62 (−10.50%) |
Oct 19, 2026 7d ago | Press Release | $1.81 $1.70 | ▲ +6.35% | ▲ +6.21% | $1.62 (+10.50%) |
Sep 16, 2026 5w ago | 144 | $3.98 $3.25 | ▼ −18.47% | ▼ −19.07% | $1.62 (−59.30%) |
Sep 15, 2026 5w ago | Insider Cluster | $4.07 $4.06 | ▲ +0.25% | ▲ +2.61% | $1.62 (+60.20%) |
Sep 15, 2026 5w ago | Insider Cluster | $4.07 $4.06 | ▼ −0.25% | ▼ −2.36% | $1.62 (−60.20%) |
Sep 14, 2026 6w ago | 8-K | $3.82 $4.07 | ▲ +6.54% | ▲ +6.44% | $1.62 (−57.59%) |
Aug 27, 2026 8w ago | Press Release | $3.42 $3.61 | ▲ +5.56% | ▲ +6.33% | $1.62 (−52.63%) |
Aug 5, 2026 11w ago | 8-K | $3.82 $4.24 | ▲ +10.99% | ▲ +10.64% | $1.62 (−57.59%) |
Aug 5, 2026 11w ago | Press Release | $3.82 $4.24 | ▲ +10.99% | ▲ +10.64% | $1.62 (−57.59%) |
Jul 28, 2026 12w ago | Insider Cluster | $3.14 $3.82 | ▲ +21.66% | ▲ +16.13% | $1.62 (−48.41%) |
US Market Status
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