Barry D. Quart serves as Executive at Ardea Biosciences, Inc./DE, where they oversee executive responsibilities. Since joining the company, Barry D. Quart has executed 121 insider transactions totaling $14.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 4, 2026 involved exercising options for 2,602 shares valued at $0.
Barry D. Quart currently holds 2,800 shares of Ardea Biosciences, Inc./DE (RDEA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Barry D. Quart has been a net seller of RDEA stock. They have purchased $597.5K and sold $13.8M worth of shares.
Barry D. Quart's most recent insider trade was on Feb 4, 2026, when they sold 2,602 shares at $0.00 per share.
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| $45.02 |
| Discretionary |
| Feb 4, 2026 | KNSA | $40.3K | Option Exercise | 2,602 | $15.47 | Discretionary |
| Feb 3, 2026 | KNSA | $0 | Option Exercise | 12,528 | $N/A | Discretionary |
| Feb 3, 2026 | KNSA | $567.1K | Sale | 12,528 | $45.27 | Discretionary |
| Feb 3, 2026 | KNSA | $193.8K | Option Exercise | 12,528 | $15.47 | Discretionary |
| Feb 2, 2026 | KNSA | $0 | Option Exercise | 830 | $N/A | Discretionary |
| Feb 2, 2026 | KNSA | $37.4K | Sale | 830 | $45.00 | Discretionary |
| Feb 2, 2026 | KNSA | $12.8K | Option Exercise | 830 | $15.47 | Discretionary |
| Dec 15, 2025 | KNSA | $208.5K | Option Exercise | 20,129 | $10.36 | Discretionary |
| Dec 15, 2025 | KNSA | $835.6K | Sale | 20,129 | $41.51 | Discretionary |
| Jun 6, 2024 | KNSA | $0 | Option Exercise | 4,373 | $N/A | Discretionary |
| Jun 29, 2023 | KNSA | $0 | Option Exercise | 5,000 | $N/A | Discretionary |
| Jan 13, 2023 | HRTX | $16.5K | Payment | 5,219 | $3.17 | Discretionary |
| Jan 13, 2023 | HRTX | $0 | Option Exercise | 16,122 | $N/A | Discretionary |
| Jan 13, 2023 | HRTX | $0 | Option Exercise | 3,645 | $N/A | Discretionary |
| Nov 29, 2022 | KNSA | $354.6K | Sale | 21,959 | $16.15 | Discretionary |
| Nov 29, 2022 | KNSA | $34.9K | Option Exercise | 21,959 | $1.59 | Discretionary |
| Oct 31, 2022 | HRTX | $5.4K | Other | 1,655 | $3.27 | Discretionary |
| Oct 13, 2022 | HRTX | $0 | Option Exercise | 16,122 | $N/A | Discretionary |
| Oct 13, 2022 | HRTX | $19.6K | Payment | 5,219 | $3.76 | Discretionary |
| Oct 13, 2022 | HRTX | $0 | Option Exercise | 3,646 | $N/A | Discretionary |
| Jul 13, 2022 | HRTX | $0 | Option Exercise | 16,122 | $N/A | Discretionary |
| Jul 13, 2022 | HRTX | $0 | Option Exercise | 3,646 | $N/A | Discretionary |
| Jul 13, 2022 | HRTX | $15.7K | Payment | 5,219 | $3.01 | Discretionary |
| Apr 29, 2022 | HRTX | $5.8K | Other | 1,504 | $3.84 | Discretionary |
| Apr 13, 2022 | HRTX | $31.7K | Payment | 5,219 | $6.07 | Discretionary |
| Apr 13, 2022 | HRTX | $0 | Option Exercise | 16,122 | $N/A | Discretionary |
| Apr 13, 2022 | HRTX | $0 | Option Exercise | 3,646 | $N/A | Discretionary |
| Jan 13, 2022 | HRTX | $43.3K | Payment | 5,219 | $8.30 | Discretionary |