Song Haiyan insider trades
Song Haiyan has filed 15 Form 4s with the SEC that we hold, for F5, INC. (FFIV) (EVP of Security), CSGS (Director) and Eos Energy Enterprises, Inc. (EOSE) (Director). Across all of them we count 2 purchases worth $58.7K and 0 sales worth $0 reported on Form 4. In the last 12 months: 2 purchases ($58.7K) and 0 sales ($0). The largest single trade was a purchase of 10,000 shares of Eos Energy Enterprises, Inc. worth $39.5K, dated 2026-09-11. The first filing on our record is dated 2021-09-14 and the latest 2026-09-15.
F5, INC. (FFIV)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
CSGS
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Eos Energy Enterprises, Inc. (EOSE)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2026-09-11 | P, purchase reported on Form 4 | 10,000 | $39.5K | 2026-09-15 |
| 2026-09-14 | P, purchase reported on Form 4 | 5,000 | $19.2K | 2026-09-15 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1804708) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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