Chen Bihua
SEC Form 4 insider trading activity
Chen Bihua has filed 5 SEC Form 4 filings (15 transaction rows) across 4 companies, including BLSM, BBOT, HLXC, with disclosures dating back to 2025. 5 of those filings fall inside the rolling window. Most recent filing: Aug 10, 2026.
On the most recent filing, Chen Bihua is listed as Director, 10% Owner at BlossomHill Therapeutics, Inc. Inside the rolling window, Chen Bihua reported 2 open-market purchases totaling $13.0M in BLSM and HLXC and 2 open-market sales totaling $46.9M in MLTX. The largest disclosed transaction in the window is a sale of 6,494,151 MLTX shares on Sep 29, 2025, worth $46.8M.
Companies traded
Other insiders at BLSM
Insider Buying
$13.0M
reported purchases (SEC code P)
Insider Selling
$46.9M
reported sales (SEC code S)
Companies
4
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Chen Bihua made?
Chen Bihua has filed 5 SEC Form 4 filings (15 transaction rows) across 4 companies, including BLSM, BBOT, HLXC since 2025.
Which companies does Chen Bihua trade?
Chen Bihua has filed SEC Form 4 disclosures for 4 companies, including BLSM, BBOT, HLXC.
When was Chen Bihua's most recent SEC Form 4 filing?
Chen Bihua's most recent SEC Form 4 filing on Tracefour is dated Aug 10, 2026.
What is Chen Bihua's total buy and sell value in the current window?
Inside the rolling retention window, Chen Bihua bought $13.0M and sold $46.9M based on SEC Form 4 filings.
What was Chen Bihua's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 6,494,151 MLTX shares on 2025-09-29, worth $46.8M, per SEC Form 4 filings.