Song Haiyan
- SEC CIK
- 0001804708
In the past year, 1 open-market purchase filing worth $58.7K and no sales.
Current role at each company
- EOSE Eos Energy Enterprises, Inc.Directoras of Sep 15, 2026
- CSGS CSG Systems International IncDirectoras of May 18, 2026
- FFIV F5, Inc.EVP of Securityas of Feb 3, 2023
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- $58.7K
- 1 filing
- Sold
- –
- 0 filings
- Net
- +$58.7K
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Song Haiyan as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
EOSE Eos Energy Enterprises, Inc.
Director1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 (view filing)8:56 AM ET | Sep 11-14 | 4 days | Song HaiyanDirector | PPurchase | +15.0K | $3.91 | +$58.7K | New position15.0K after | 2 lots |