Rietbroek Robbert

CEO Rietbroek acquires 44.3K GPK shares at $11.32; stock down 59.6% from 52-week high of $27.73.

President and CEO Robbert Rietbroek purchased 44,278 shares for $501,098.55 on 2026-03-04, establishing an initial position in the stock. The transaction occurs as GPK trades at $11.19, down 59.6% from its 52-week high of $27.73 and down 24.3% over the past 30 days. Rietbroek's cross-ticker open-market history shows 1 prior buy with an average 90-day return of -35.9% and 0% win rate, suggesting his prior purchases have not demonstrated strong timing. The company's fundamentals show modest stress: annual revenue growth is negative at -2.2%, though the business maintains profitability with $142.0M net income on $2.2B revenue and a reasonable P/E of 11.19. The timing of a new insider position during a sharp drawdown warrants observation, particularly given the modest track record of success in his prior discretionary trades.

CEO Rietbroek bought 8,285 shares at $24.12 on 2025-08-13; cluster buy with 2 other insiders in 14 days as stock down 31.0% from 52-week high.

CEO Robbert Rietbroek purchased 8,285 shares at $24.12 on 2025-08-13 as part of a three-insider cluster buy within 14 days. The purchase occurs with the stock trading at $24.57, down 31.0% from its 52-week high of $35.63 and down 24.0% over 90 days, representing a material drawdown from recent peaks. Notably, the company's fundamentals are mixed: revenue grew 9.7% annually to $1.7B in the latest quarter, but the company was unprofitable over its most recent full fiscal year, raising questions about earnings sustainability. The coordinated buying pattern by multiple insiders at a depressed valuation warrants investor attention to whether management views the stock as undervalued or is signaling confidence despite near-term profit headwinds.