Hansoo Michael Keyoung serves as Executive at GRAYBUG VISION, INC., where they oversee executive responsibilities. Since joining the company, Hansoo Michael Keyoung has executed 3 insider transactions totaling $0, demonstrating a balanced approach to their equity position. Their most recent transaction on Oct 8, 2025 involved receiving (via award) 19,084 shares valued at $0.
Hansoo Michael Keyoung currently holds 29,084 shares of GRAYBUG VISION, INC. (GRAY), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Hansoo Michael Keyoung has been a net neutral trader of GRAY stock. They have purchased $0 and sold $0 worth of shares.
Hansoo Michael Keyoung's most recent insider trade was on Oct 8, 2025, when they sold 19,084 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Sep 29, 2020 | GRAY | $0 | Conversion | 1,133,596 | $N/A | Discretionary |