Song Haiyan

Director · EOSE, CSGS

As of 2026-09-16, Song Haiyan has 5 Form 4 transactions on record across 2 companies — 4 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $59KIndirect: $0$59Kas of 2026-09-16
  • Direct $59K
  • Indirect $0
EOSEdirect15,000 sh$59K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

EOSE · 3 trades
2026-09-14: Purchase, 5,000 sh ($19K)2026-09-11: Purchase, 10,000 sh ($40K)2026-07-13: Award / grant, 29,980 sh ($0)
CSGS · 2 trades
2026-05-14: Disposition, 22,560 sh ($1.8M)2025-06-10: Award / grant, 3,085 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-14EOSEPurchase5,000 @ $3.84$19K+50.0% of holding15,000Form 4
2026-09-11EOSEPurchase10,000 @ $3.95$40Kownership Δ n/a10,000Form 4
3 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-07-13EOSEAward / grant29,98029,980Form 4
2026-05-14CSGSDisposition22,5600Form 4
2025-06-10CSGSAward / grant3,08522,560Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.