Song Haiyan has filed 7 insider transactions across 2 companies since February 2023.
Most recent transaction: a disposition of 22560 shares of CSG SYSTEMS INTERNATIONAL INC ($CSGS) on May 14, 2026.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 14, 2026 | CSG SYSTEMS INTERNATIONAL INC | $CSGS | Song Haiyan | Not found | D | Common Stock | 22560 | $80.70 | 0.0000 | 28,370,000 | 100.00% | 0.08% |
| June 10, 2025 | CSG SYSTEMS INTERNATIONAL INC | $CSGS | Song Haiyan | Director | A | Common Stock | 3085 | $0.00 | 22,560.0000 | 29,104,000 | 15.84% | 0.01% |
| June 10, 2024 | CSG SYSTEMS INTERNATIONAL INC | $CSGS | Song Haiyan | Director | A | Common Stock | 4723 | $0.00 | 19,475.0000 | 29,779,000 | 32.02% | 0.02% |
| Feb. 1, 2023 | F5, INC. | $FFIV | Song Haiyan | EVP of Security | M | Restricted Stock Unit | 445 | $0.00 | 3,119.0000 | 0 | 12.49% | 0.00% |
| Feb. 1, 2023 | F5, INC. | $FFIV | Song Haiyan | EVP of Security | F | Common Stock | 819 | $0.00 | 6,460.0000 | 0 | 11.25% | 0.00% |
| Feb. 1, 2023 | F5, INC. | $FFIV | Song Haiyan | EVP of Security | M | Common Stock | 1559 | $0.00 | 7,279.0000 | 0 | 27.26% | 0.00% |
| Feb. 1, 2023 | F5, INC. | $FFIV | Song Haiyan | EVP of Security | M | Restricted Stock Unit | 1114 | $0.00 | 8,914.0000 | 0 | 11.11% | 0.00% |