Haiyan Song
Haiyan Song has made 1 open-market purchase worth $59k since Sep 15, 2026, in 1 company. The latest: $59k of EOSE, filed Sep 15, 2026, scored 40 out of 100.
Director, Eos Energy Enterprises, Inc.
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Purchases
| Filed | Stock | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Sep 15 Form 4 (opens sec.gov) |
EOSEEos Energy Enterprises, Inc. · DirectorDirector · Near 52-week low | New position | 40 | $59k 15,000 at $3.91 |
−0.2% | −46.9% |
Track record (hypothetical): a week after the filing, these buys averaged −0.2% (0% up, 1 measured); a month after, −46.9% (0% up, 1 measured).
Questions
What stock has Haiyan Song bought?
EOSE (Eos Energy Enterprises, Inc.), all on the open market and reported on SEC Form 4.
When did Haiyan Song last buy?
Sep 15, 2026: 15,000 shares of EOSE at $3.91, $59k in all (Form 4 (opens sec.gov)).
Has Haiyan Song filed a notice of a planned sale?
Not in the filings on record. A Form 144 is the notice an insider must file before selling restricted or control shares, and it lands on EDGAR before the sale is reported.
Is Haiyan Song a routine or an opportunistic buyer?
There isn't enough history to say yet.
Data as of Sep 15, 2026, from SEC EDGAR Form 4 filings: open-market purchases (code P) of $25,000 or more, and open-market sales. Every row links to its filing. Scores summarise what a filing says (how the score works); outcomes are hypothetical, from the first close after the filing, and past results don't predict future ones. Disclaimer