Haiyan Song insider trades

Open-market stock purchases and sales by Haiyan Song, Director at Eos Energy Enterprises, Inc, from SEC Form 4 filings since Sep 10, 2020.

Track record: 0% of 2 scored buys are up 5% or more since purchase, averaging -56%.

Recent trades

DateStockTradeValue
Sep 14, 2026EOSE Eos Energy Enterprises, IncBought$19.2K
Sep 11, 2026EOSE Eos Energy Enterprises, IncBought$39.5K
Jul 13, 2026EOSE Eos Energy Enterprises, IncBought (not open market)—
May 14, 2026CSGS CSG Systems International IncSold (not open market)$1.8M

Companies traded

  • EOSE Eos Energy Enterprises, Inc: 2 buys, last Sep 14, 2026
  • CSGS CSG Systems International Inc: other filings, last May 14, 2026
  • FFIV F5, Inc: other filings, last Feb 1, 2023

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