Koefoed William A
Chief Financial Officer
Koefoed William A has filed 4 SEC Form 4 filings (4 transaction rows) across 1 company, with disclosures dating back to 2025. 4 of those filings fall inside the rolling window. Most recent filing: Dec 16, 2025.
On the most recent filing, Koefoed William A is listed as Chief Financial Officer at OneStream, Inc. Inside the rolling window, Koefoed William A reported no open-market purchases and 2 open-market sales totaling $340K in OS. The largest disclosed transaction in the window is a sale of 8,943 OS shares on Sep 15, 2025, worth $170K.
Companies traded
Other insiders at OS
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$340K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Koefoed William A made?
Koefoed William A has filed 4 SEC Form 4 filings (4 transaction rows) across 1 company since 2025.
Which companies does Koefoed William A trade?
Koefoed William A has filed SEC Form 4 disclosures for 1 company, including OS.
When was Koefoed William A's most recent SEC Form 4 filing?
Koefoed William A's most recent SEC Form 4 filing on Tracefour is dated Dec 16, 2025.
What is Koefoed William A's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Koefoed William A is listed as Chief Financial Officer.
What is Koefoed William A's total buy and sell value in the current window?
Inside the rolling retention window, Koefoed William A bought $0 and sold $340K based on SEC Form 4 filings.
What was Koefoed William A's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 8,943 OS shares on 2025-09-15, worth $170K, per SEC Form 4 filings.