Hawryluk P. Kent, President and CEO of MBX Biosciences ($MBX), made one open market purchase of shares in the last year, totaling $273,000. His most recent buy occurred on October 20, 2025. With no open market sales, his activity ranks 1,233rd among nearly 5,000 insiders, below the average purchase of 1.5 million across 3.3 transactions.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 13, 2026 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | P | Common Stock | 18500 | $28.41 | 1,215,051.0000 | 44,902,302 | 1.55% | 0.04% |
| Feb. 26, 2026 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | M | Stock option (right to buy) | 28768 | $0.00 | 91,668.0000 | 44,902,302 | 23.89% | 0.06% |
| Feb. 26, 2026 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | M | Common Stock | 28768 | $16.00 | 1,196,551.0000 | 44,902,302 | 2.46% | 0.06% |
| Feb. 2, 2026 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | A | Stock option (right to buy) | 164500 | $0.00 | 164,500.0000 | 44,902,302 | 9999.99% | 0.37% |
| Feb. 2, 2026 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | A | Common Stock | 35250 | $0.00 | 1,167,783.0000 | 44,902,302 | 3.11% | 0.08% |
| Oct. 24, 2025 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | M | Stock option (right to buy) | 182859 | $0.00 | 129,708.0000 | 33,424,371 | 58.50% | 0.55% |
| Oct. 24, 2025 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | M | Common Stock | 182859 | $3.25 | 1,132,533.0000 | 33,424,371 | 19.25% | 0.55% |
| Oct. 20, 2025 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | P | Common Stock | 20000 | $13.64 | 949,674.0000 | 33,424,371 | 2.15% | 0.06% |
| Feb. 3, 2025 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | A | Stock Option (Right to Buy) | 243000 | $0.00 | 243,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 4, 2025 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | P | Common Stock | 50000 | $10.69 | 929,674.0000 | 0 | 5.68% | 0.00% |
| Sept. 16, 2024 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | C | Common Stock | 283846 | $0.00 | 879,674.0000 | 0 | 47.64% | 0.00% |
| Sept. 16, 2024 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | C | Common Stock | 115914 | $0.00 | 879,674.0000 | 0 | 15.18% | 0.00% |
| Sept. 16, 2024 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | C | Series A Convertible Preferred Stock | 2015681 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Sept. 16, 2024 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | C | Series A Convertible Preferred Stock | 345705 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Sept. 16, 2024 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | C | Series B Convertible Preferred Stock | 1396762 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Sept. 16, 2024 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | C | Series B Convertible Preferred Stock | 76969 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Sept. 16, 2024 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | C | Series C Convertible Preferred Stock | 970873 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Sept. 12, 2024 | MBX Biosciences, Inc. | $MBX | Hawryluk P. Kent | President & CEO | A | Stock Option (Right to Buy) | 120436 | $0.00 | 120,436.0000 | 0 | 9999.99% | 0.00% |