Rietbroek Robbert

Open-market buys

$501K total

Open-market sells

$0 total

Tracking since

Mar 2026

Activity timeline

Open-market buy — $501K

Open-market trades from the last two years.

Holdings as last reported

165,030 Service-Based Restricted Stock Units in GPK

Held directly · as of 2026-02-25

44,278 Common Stock in GPK

Held directly · as of 2026-03-04

Companies touched