Bylund James
Chief Operating Officer
Bylund James has filed 4 SEC Form 4 filings (6 transaction rows) across 1 company, with disclosures dating back to 2025. 4 of those filings fall inside the rolling window. Most recent filing: Mar 23, 2026.
On the most recent filing, Bylund James is listed as Chief Operating Officer at REPLIGEN CORP. Inside the rolling window, Bylund James reported no open-market purchases and 1 open-market sale totaling $331K in RGEN.
Companies traded
Other insiders at RGEN
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$331K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Bylund James made?
Bylund James has filed 4 SEC Form 4 filings (6 transaction rows) across 1 company since 2025.
Which companies does Bylund James trade?
Bylund James has filed SEC Form 4 disclosures for 1 company, including RGEN.
When was Bylund James's most recent SEC Form 4 filing?
Bylund James's most recent SEC Form 4 filing on Tracefour is dated Mar 23, 2026.
What is Bylund James's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Bylund James is listed as Chief Operating Officer.
What is Bylund James's total buy and sell value in the current window?
Inside the rolling retention window, Bylund James bought $0 and sold $331K based on SEC Form 4 filings.
What was Bylund James's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 2,191 RGEN shares on 2025-11-18, worth $331K, per SEC Form 4 filings.