BLAKE KATRYN
SEC Form 4 insider trading activity
BLAKE KATRYN has filed 5 SEC Form 4 filings (5 transaction rows) across 3 companies, including TWST, TRIP, SEMR, with disclosures dating back to 2026. 5 of those filings fall inside the rolling window. Most recent filing: Aug 14, 2026.
On the most recent filing, BLAKE KATRYN is listed as Director at Twist Bioscience Corp. Inside the rolling window, BLAKE KATRYN reported no open-market purchases and 1 open-market sale totaling $275K in TWST.
Companies traded
Other insiders at TWST
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$275K
reported sales (SEC code S)
Companies
3
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has BLAKE KATRYN made?
BLAKE KATRYN has filed 5 SEC Form 4 filings (5 transaction rows) across 3 companies, including TWST, TRIP, SEMR since 2026.
Which companies does BLAKE KATRYN trade?
BLAKE KATRYN has filed SEC Form 4 disclosures for 3 companies, including TWST, TRIP, SEMR.
When was BLAKE KATRYN's most recent SEC Form 4 filing?
BLAKE KATRYN's most recent SEC Form 4 filing on Tracefour is dated Aug 14, 2026.
What is BLAKE KATRYN's total buy and sell value in the current window?
Inside the rolling retention window, BLAKE KATRYN bought $0 and sold $275K based on SEC Form 4 filings.
What was BLAKE KATRYN's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 2,240 TWST shares on 2026-08-12, worth $275K, per SEC Form 4 filings.