Gross Mario
Chief Supply Chain Officer
Gross Mario has filed 4 SEC Form 4 filings (8 transaction rows) across 1 company, with disclosures dating back to 2026. 4 of those filings fall inside the rolling window. Most recent filing: Aug 13, 2026.
On the most recent filing, Gross Mario is listed as Chief Supply Chain Officer at Amrize Ltd. Inside the rolling window, Gross Mario reported 4 open-market purchases totaling $539K in AMRZ and no open-market sales. The largest disclosed transaction in the window is a purchase of 3,200 AMRZ shares on Mar 13, 2026, worth $177K.
Companies traded
Other insiders at AMRZ
Insider Buying
$539K
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 Gross Mario made?
Gross Mario has filed 4 SEC Form 4 filings (8 transaction rows) across 1 company since 2026.
Which companies does Gross Mario trade?
Gross Mario has filed SEC Form 4 disclosures for 1 company, including AMRZ.
When was Gross Mario's most recent SEC Form 4 filing?
Gross Mario's most recent SEC Form 4 filing on Tracefour is dated Aug 13, 2026.
What is Gross Mario's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Gross Mario is listed as Chief Supply Chain Officer.
What is Gross Mario's total buy and sell value in the current window?
Inside the rolling retention window, Gross Mario bought $539K and sold $0 based on SEC Form 4 filings.
What was Gross Mario's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 3,200 AMRZ shares on 2026-03-13, worth $177K, per SEC Form 4 filings.