Montalbano John S.
SEC Form 4 insider trading activity
Montalbano John S. has filed 3 SEC Form 4 filings (3 transaction rows) across 1 company, with disclosures dating back to 2025. 3 of those filings fall inside the rolling window. Most recent filing: Aug 18, 2026.
On the most recent filing, Montalbano John S. is listed as Director at AbCellera Biologics Inc. Inside the rolling window, Montalbano John S. reported 3 open-market purchases totaling $384K in ABCL and no open-market sales. The largest disclosed transaction in the window is a purchase of 50,000 ABCL shares on Nov 26, 2025, worth $178K.
Companies traded
Other insiders at ABCL
Insider Buying
$384K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Montalbano John S. made?
Montalbano John S. has filed 3 SEC Form 4 filings (3 transaction rows) across 1 company since 2025.
Which companies does Montalbano John S. trade?
Montalbano John S. has filed SEC Form 4 disclosures for 1 company, including ABCL.
When was Montalbano John S.'s most recent SEC Form 4 filing?
Montalbano John S.'s most recent SEC Form 4 filing on Tracefour is dated Aug 18, 2026.
What is Montalbano John S.'s total buy and sell value in the current window?
Inside the rolling retention window, Montalbano John S. bought $384K and sold $0 based on SEC Form 4 filings.
What was Montalbano John S.'s largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 50,000 ABCL shares on 2025-11-26, worth $178K, per SEC Form 4 filings.