Charles Mcwherter serves as Executive at CymaBay Therapeutics, Inc., where they oversee executive responsibilities. Since joining the company, Charles Mcwherter has executed 42 insider transactions totaling $2.5M, demonstrating a bearish approach to their equity position. Their most recent transaction on Oct 30, 2025 involved transacting 25,000 shares valued at $0.
Charles Mcwherter currently holds 46,938 shares of CymaBay Therapeutics, Inc. (CBAY), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Charles Mcwherter has been a net seller of CBAY stock. They have purchased $91.9K and sold $2.4M worth of shares.
Charles Mcwherter's most recent insider trade was on Oct 30, 2025, when they sold 25,000 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Mar 22, 2024 | CBAY | $0 | Disposition | 15,000 | $N/A | Discretionary |
| Jan 24, 2024 | CBAY | $0 | Award | 31,938 | $N/A | Discretionary |
| Jan 19, 2024 | CBAY | $53.3K | Sale | 2,250 | $23.67 | Planned |
| Jan 19, 2024 | CBAY | $4.8K | Option Exercise | 2,778 | $1.72 | Planned |
| Jan 19, 2024 | CBAY | $65.7K | Sale | 2,778 | $23.66 | Planned |
| Jan 19, 2024 | CBAY | $3.5K | Option Exercise | 1,916 | $1.82 | Planned |
| Jan 19, 2024 | CBAY | $2.4K | Option Exercise | 2,250 | $1.06 | Planned |
| Jan 19, 2024 | CBAY | $83.3K | Option Exercise | 8,334 | $10.00 | Planned |
| Jan 19, 2024 | CBAY | $197.3K | Sale | 8,334 | $23.68 | Planned |
| Jan 19, 2024 | CBAY | $36.5K | Option Exercise | 3,125 | $11.69 | Planned |
| Jan 19, 2024 | CBAY | $74.0K | Sale | 3,125 | $23.68 | Planned |
| Jan 19, 2024 | CBAY | $45.3K | Sale | 1,916 | $23.66 | Planned |
| Dec 18, 2023 | CBAY | $139.7K | Sale | 6,504 | $21.48 | Discretionary |
| Dec 18, 2023 | CBAY | $32.5K | Option Exercise | 6,504 | $5.00 | Discretionary |
| Dec 18, 2023 | CBAY | $103.8K | Sale | 4,828 | $21.49 | Discretionary |
| Dec 18, 2023 | CBAY | $24.1K | Option Exercise | 4,828 | $5.00 | Discretionary |
| Nov 17, 2023 | CBAY | $207.3K | Sale | 11,342 | $18.28 | Discretionary |
| Nov 17, 2023 | CBAY | $56.7K | Option Exercise | 11,342 | $5.00 | Discretionary |
| Oct 18, 2023 | CBAY | $305.9K | Sale | 21,743 | $14.07 | Discretionary |
| Oct 18, 2023 | CBAY | $108.7K | Option Exercise | 21,743 | $5.00 | Discretionary |
| Sep 18, 2023 | CBAY | $352.7K | Sale | 21,746 | $16.22 | Discretionary |
| Sep 18, 2023 | CBAY | $108.7K | Option Exercise | 21,746 | $5.00 | Discretionary |
| Aug 18, 2023 | CBAY | $108.7K | Option Exercise | 21,746 | $5.00 | Discretionary |
| Aug 18, 2023 | CBAY | $249.4K | Sale | 21,746 | $11.47 | Discretionary |
| Jul 18, 2023 | CBAY | $248.6K | Sale | 21,749 | $11.43 | Discretionary |
| Jul 18, 2023 | CBAY | $108.7K | Option Exercise | 21,749 | $5.00 | Discretionary |
| Jun 20, 2023 | CBAY | $108.7K | Option Exercise | 21,749 | $5.00 | Discretionary |
| Jun 20, 2023 | CBAY | $177.5K | Sale | 21,749 | $8.16 | Discretionary |