Rietbroek Robbert insider trades
Rietbroek Robbert has filed 8 Form 4s with the SEC that we hold, for Graphic Packaging Holding Co (GPK) (President and CEO, Director), Primo Brands Corp (PRMB) (Chief Executive Officer, Director) and PRMW (Chief Executive Officer, Director). Across all of them we count 2 purchases worth $701.1K and 0 sales worth $0 reported on Form 4. In the last 12 months: 1 purchase ($501.2K) and 0 sales ($0). The largest single trade was a purchase of 44,278 shares of Graphic Packaging Holding Co worth $501.2K, dated 2026-03-04. The first filing on our record is dated 2024-01-05 and the latest 2026-03-04.
Graphic Packaging Holding Co (GPK)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2026-03-04 | P, purchase reported on Form 4 | 44,278 | $501.2K | 2026-03-04 |
Primo Brands Corp (PRMB)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2025-08-13 | P, purchase reported on Form 4 | 8,285 | $199.8K | 2025-08-14 |
PRMW
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 2002890) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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