Song Haiyan
SEC Form 4 insider trading activity
Song Haiyan has filed 2 SEC Form 4 filings (3 transaction rows) across 2 companies, including EOSE, CSGS, with disclosures dating back to 2026. 2 of those filings fall inside the rolling window. Most recent filing: Sep 15, 2026.
On the most recent filing, Song Haiyan is listed as Director at Eos Energy Enterprises, Inc. Inside the rolling window, Song Haiyan reported 2 open-market purchases totaling $59K in EOSE and no open-market sales. The largest disclosed transaction in the window is a purchase of 10,000 EOSE shares on Sep 11, 2026, worth $40K.
Companies traded
Other insiders at EOSE
Insider Buying
$59K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Song Haiyan made?
Song Haiyan has filed 2 SEC Form 4 filings (3 transaction rows) across 2 companies, including EOSE, CSGS since 2026.
Which companies does Song Haiyan trade?
Song Haiyan has filed SEC Form 4 disclosures for 2 companies, including EOSE, CSGS.
When was Song Haiyan's most recent SEC Form 4 filing?
Song Haiyan's most recent SEC Form 4 filing on Tracefour is dated Sep 15, 2026.
What is Song Haiyan's total buy and sell value in the current window?
Inside the rolling retention window, Song Haiyan bought $59K and sold $0 based on SEC Form 4 filings.
What was Song Haiyan's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 10,000 EOSE shares on 2026-09-11, worth $40K, per SEC Form 4 filings.