Johnston Ian A
Chief Financial Officer
Johnston Ian A has filed 4 SEC Form 4 filings (17 transaction rows) across 1 company, with disclosures dating back to 2025. 3 of those filings fall inside the rolling window. Most recent filing: Mar 11, 2026.
On the most recent filing, Johnston Ian A is listed as Chief Financial Officer at Amrize Ltd. Inside the rolling window, Johnston Ian A reported 2 open-market purchases totaling $327K in AMRZ and no open-market sales. The largest disclosed transaction in the window is a purchase of 4,250 AMRZ shares on Mar 10, 2026, worth $250K.
Companies traded
Other insiders at AMRZ
Insider Buying
$327K
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 Johnston Ian A made?
Johnston Ian A has filed 4 SEC Form 4 filings (17 transaction rows) across 1 company since 2025.
Which companies does Johnston Ian A trade?
Johnston Ian A has filed SEC Form 4 disclosures for 1 company, including AMRZ.
When was Johnston Ian A's most recent SEC Form 4 filing?
Johnston Ian A's most recent SEC Form 4 filing on Tracefour is dated Mar 11, 2026.
What is Johnston Ian A's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Johnston Ian A is listed as Chief Financial Officer.
What is Johnston Ian A's total buy and sell value in the current window?
Inside the rolling retention window, Johnston Ian A bought $327K and sold $0 based on SEC Form 4 filings.
What was Johnston Ian A's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 4,250 AMRZ shares on 2026-03-10, worth $250K, per SEC Form 4 filings.