Wall John Christopher
President, QNX
Wall John Christopher has filed 1 SEC Form 4 filing (2 transaction rows) across 1 company, with disclosures dating back to 2026. 1 of those filings fall inside the rolling window. Most recent filing: Oct 5, 2026.
On the most recent filing, Wall John Christopher is listed as President, QNX at BLACKBERRY Ltd. Inside the rolling window, Wall John Christopher reported no open-market purchases and 1 open-market sale totaling $32K in BB.
Companies traded
Other insiders at BB
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$32K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Wall John Christopher made?
Wall John Christopher has filed 1 SEC Form 4 filing (2 transaction rows) across 1 company since 2026.
Which companies does Wall John Christopher trade?
Wall John Christopher has filed SEC Form 4 disclosures for 1 company, including BB.
When was Wall John Christopher's most recent SEC Form 4 filing?
Wall John Christopher's most recent SEC Form 4 filing on Tracefour is dated Oct 5, 2026.
What is Wall John Christopher's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Wall John Christopher is listed as President, QNX.
What is Wall John Christopher's total buy and sell value in the current window?
Inside the rolling retention window, Wall John Christopher bought $0 and sold $32K based on SEC Form 4 filings.
What was Wall John Christopher's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 3,474 BB shares on 2026-10-02, worth $32K, per SEC Form 4 filings.