Robbert Rietbroek
First SEC filing: Jan. 27, 2025 · Latest: Jan. 27, 2025
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 4, 2026 | GPK | P | 44,278 | $11.32 | $501,227 | 44,278 Direct | · | Acquired | -22.4% (price as of 2026-10-02) |
| Feb. 25, 2026 | GPK | A | 165,030 | · | · | 165,030 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 1, 2026 | GPK | A | 265,605 | · | · | 265,605 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 13, 2025 | PRMB | P | 8,285 | $24.12 | $199,834 | 586,349 Direct | +1.43% | Acquired | -19.1% (price as of 2026-10-02) |
| Jan. 1, 2025 | PRMB | F | 50,068 | $30.77 | $1,540,592 | 331,717 Direct | -13.11% | Disposed | -36.6% (price as of 2026-10-02) |
| Dec. 11, 2024 | PRMB | A | 81,453 | · | · | 381,785 Direct | +27.12% | Acquired | (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 25, 2026 | GPK | Service-Based Restricted Stock Units | Common Stock | $0.00 | · | 165,030 | Acquired |
| Jan. 1, 2026 | GPK | Service-Based Restricted Stock Units | Common Stock | $0.00 | · | 265,605 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $721,154 | $882,500 | · | · | $1,328,400 | · | $245,043 | $25,990,984 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.