Wichterman Troy
Chief Financial Officer
Wichterman Troy has filed 16 SEC Form 4 filings (21 transaction rows) across 1 company, with disclosures dating back to 2025. 14 of those filings fall inside the rolling window. Most recent filing: Oct 9, 2026.
On the most recent filing, Wichterman Troy is listed as Chief Financial Officer at BIOLIFE SOLUTIONS INC. Inside the rolling window, Wichterman Troy reported no open-market purchases and 5 open-market sales totaling $851K in BLFS. The largest disclosed transaction in the window is a sale of 30,000 BLFS shares on Dec 4, 2025, worth $772K.
Companies traded
Other insiders at BLFS
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$851K
reported sales (SEC code S)
Companies
1
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
Frequently asked questions
How many SEC Form 4 filings has Wichterman Troy made?
Wichterman Troy has filed 16 SEC Form 4 filings (21 transaction rows) across 1 company since 2025.
Which companies does Wichterman Troy trade?
Wichterman Troy has filed SEC Form 4 disclosures for 1 company, including BLFS.
When was Wichterman Troy's most recent SEC Form 4 filing?
Wichterman Troy's most recent SEC Form 4 filing on Tracefour is dated Oct 9, 2026.
What is Wichterman Troy's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Wichterman Troy is listed as Chief Financial Officer.
What is Wichterman Troy's total buy and sell value in the current window?
Inside the rolling retention window, Wichterman Troy bought $0 and sold $851K based on SEC Form 4 filings.
What was Wichterman Troy's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 30,000 BLFS shares on 2025-12-04, worth $772K, per SEC Form 4 filings.