Jon Congleton serves as Executive at Nivalis Therapeutics, Inc., where they oversee executive responsibilities. Since joining the company, Jon Congleton has executed 27 insider transactions totaling $11.9M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 19, 2026 involved receiving (via award) 187,900 shares valued at $0.
Jon Congleton currently holds 187,900 shares of Nivalis Therapeutics, Inc. (NVLS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Jon Congleton has been a net seller of NVLS stock. They have purchased $208.4K and sold $11.7M worth of shares.
Jon Congleton's most recent insider trade was on Feb 19, 2026, when they sold 187,900 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Nov 21, 2025 | MLYS | $13.0K | Option Exercise | 24,082 | $0.54 | Discretionary |
| Nov 11, 2025 | MLYS | $533.2K | Sale | 12,806 | $41.64 | Discretionary |
| Nov 11, 2025 | MLYS | $375.0K | Sale | 8,862 | $42.31 | Discretionary |
| Nov 11, 2025 | MLYS | $174.0K | Sale | 4,000 | $43.50 | Discretionary |
| Nov 11, 2025 | MLYS | $1.3M | Sale | 29,207 | $45.20 | Discretionary |
| Nov 11, 2025 | MLYS | $5.1M | Sale | 112,275 | $45.83 | Discretionary |
| Nov 11, 2025 | MLYS | $1.5M | Sale | 32,850 | $46.89 | Discretionary |
| Oct 13, 2025 | MLYS | $577.6K | Sale | 13,548 | $42.63 | Discretionary |
| Oct 13, 2025 | MLYS | $66.8K | Sale | 1,552 | $43.03 | Discretionary |
| Jul 11, 2025 | MLYS | $230.5K | Sale | 15,884 | $14.51 | Discretionary |
| Jul 11, 2024 | MLYS | $210.1K | Sale | 15,746 | $13.34 | Planned |
| Jun 20, 2024 | MLYS | $175.2K | Sale | 14,940 | $11.73 | Planned |
| Jun 18, 2024 | MLYS | $199.1K | Sale | 16,607 | $11.99 | Planned |
| Jun 17, 2024 | MLYS | $217.6K | Sale | 17,766 | $12.25 | Planned |
| Jun 14, 2024 | MLYS | $203.2K | Sale | 16,229 | $12.52 | Planned |
| Jun 13, 2024 | MLYS | $509.1K | Sale | 39,961 | $12.74 | Planned |
| Jun 12, 2024 | MLYS | $212.1K | Sale | 16,607 | $12.77 | Planned |
| Nov 22, 2023 | MLYS | $25.4K | Purchase | 4,250 | $5.97 | Discretionary |
| Sep 6, 2023 | MLYS | $27.2K | Purchase | 2,250 | $12.08 | Discretionary |
| Aug 17, 2023 | MLYS | $27.2K | Purchase | 2,250 | $12.10 | Discretionary |
| Aug 11, 2023 | MLYS | $25.8K | Purchase | 2,000 | $12.89 | Discretionary |
| Jun 16, 2016 | NVLS | $19.4K | Purchase | 5,000 | $3.87 | Discretionary |
| Mar 24, 2016 | NVLS | $21.1K | Purchase | 5,000 | $4.22 | Discretionary |
| Mar 22, 2016 | NVLS | $21.9K | Purchase | 5,000 | $4.38 | Discretionary |
| Dec 11, 2015 | NVLS | $40.5K | Purchase | 5,000 | $8.10 | Discretionary |