| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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Chief Medical Officer
1 company
Richard Markus is Chief Medical Officer at RCUS. Richard Markus's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $1.7M at current prices.
The RCUS filings lean toward selling, a net 9,546 shares.
Richard Markus has 3 Form 4 filings on record from February 2025 to January 2026, all as Chief Medical Officer at Arcus Biosciences (RCUS), 2025–2026.
The 6 reported transactions were 2 stock awards, 2 option or other derivative awards and 2 open-market sales.
Counted by filing, the open-market trades come to no purchases and 1 sale worth about $210K.
The only open-market sale was 9,546 shares of RCUS at an average $22.01 on December 17, 2025, about $210K.