Rietbroek Robbert
President and CEO
Rietbroek Robbert has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company, with disclosures dating back to 2026. 1 of those filings fall inside the rolling window. Most recent filing: Mar 4, 2026.
On the most recent filing, Rietbroek Robbert is listed as President and CEO at GRAPHIC PACKAGING HOLDING CO. Inside the rolling window, Rietbroek Robbert reported 1 open-market purchase totaling $501K in GPK and no open-market sales.
Companies traded
Other insiders at GPK
Insider Buying
$501K
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 Rietbroek Robbert made?
Rietbroek Robbert has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company since 2026.
Which companies does Rietbroek Robbert trade?
Rietbroek Robbert has filed SEC Form 4 disclosures for 1 company, including GPK.
When was Rietbroek Robbert's most recent SEC Form 4 filing?
Rietbroek Robbert's most recent SEC Form 4 filing on Tracefour is dated Mar 4, 2026.
What is Rietbroek Robbert's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Rietbroek Robbert is listed as President and CEO.
What is Rietbroek Robbert's total buy and sell value in the current window?
Inside the rolling retention window, Rietbroek Robbert bought $501K and sold $0 based on SEC Form 4 filings.
What was Rietbroek Robbert's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 44,278 GPK shares on 2026-03-04, worth $501K, per SEC Form 4 filings.