Haiyan Song
Director · Eos Energy Enterprises, Inc.
IndividualBuying only
- 2025
- Sep 15, 2026
- 4
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Haiyan Song files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Joe Mastrangelo - $2.06M in EOSE purchases and sales in the last 12 months
- Nathan Kroeker - $1.75M in EOSE purchases and sales in the last 12 months
- Michael W. Silberman - $827K in EOSE purchases and sales in the last 12 months
- Marian Walters - $490K in EOSE purchases and sales in the last 12 months
- Sumeet Puri - $462K in EOSE purchases and sales in the last 12 months
- David Urban - $100K in EOSE purchases and sales in the last 12 months
More insiders (A-Z)
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Frequently asked questions
Who is Haiyan Song?
Haiyan Song is a corporate insider, tracked as Director of Eos Energy Enterprises, Inc. (EOSE). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Haiyan Song submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Haiyan Song been buying or selling stock?
Recorded transactions: 2 open-market purchases ($59K) and 0 open-market sales across all tracked filings.
