Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 months
- Director since
- 2026
4 months of board service in total across 1 board, counting each seat separately. Longest: Eos Energy Enterprises Inc., 4 months.
Eos Energy Enterprises Inc.
Director
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 14, 2026 | Eos Energy Enterprises Inc. | Open-market purchase | +5,000 | $3.84 | $19,200 |
| Sep 11, 2026 | Eos Energy Enterprises Inc. | Open-market purchase | +10,000 | $3.95 | $39,500 |
Questions about Haiyan Song
What boards is Haiyan Song on?
Haiyan Song sits on the board of Eos Energy Enterprises Inc.
How long has Haiyan Song served on boards?
Our records show at least 4 months of board service across 1 board, the earliest from 2026.
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