| 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 Executive Officer
1 company
Terry J Rosen is Chief Executive Officer at RCUS. Terry J Rosen'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 $42.3M at current prices.
Our model assigns Terry J Rosen a strong insider score of 72/100, based on 10 past trades. Over a 12-month horizon, all 8 of those trades were profitable, with an average 12-month return of +28.3%.
Net of sales, the RCUS filings show accumulation of 177,905 shares.
Terry J Rosen has 40 Form 4 filings on record from March 2018 to June 2026, across 2 companies: Director at IDEAYA Biosciences (IDYA), 2019–2026; Chief Executive Officer at Arcus Biosciences (RCUS), 2018–2026.
The 73 reported transactions were 23 open-market purchases, 16 option or other derivative awards, 16 open-market sales and 7 stock awards, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 10 purchases worth about $3.7M and 5 sales worth about $2.2M.
The largest open-market purchase was 66,666 shares of RCUS at an average $15.00 on March 19, 2018, about $1.0M.
The largest open-market sale was 54,691 shares of RCUS at an average $22.01 on December 17, 2025, about $1.2M.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 17, 2025 | RCUS Arcus Biosciences, Inc. | Chief Executive Officer | Sell10b5-1 | 54,691 | $22.01 | $1,203,959.00 | -2.4% | +1.4% | - | |
| Feb 27, 2025 | RCUS Arcus Biosciences, Inc. | Chief Executive Officer | Buy | 19,800 | $10.18 | $201,465.00 | +0.8% | -7.6% | +106.2% | |
| Dec 16, 2022 | RCUS Arcus Biosciences, Inc. | Chief Executive Officer | Sell | 13,043 | $30.75 | $401,072.58 | -5.1% | -45.1% | -41.3% | |
| Jun 17, 2022 | RCUS Arcus Biosciences, Inc. | Chief Executive Officer | Sell | 8,854 | $21.45 | $189,907.91 | -3.7% | +22.0% | -11.3% | |
| Dec 17, 2021 | RCUS Arcus Biosciences, Inc. | Chief Executive Officer | Sell | 5,242 | $40.12 | $210,327.50 | -2.4% | -17.1% | -25.7% | |
| Jun 17, 2021 | RCUS Arcus Biosciences, Inc. | Chief Executive Officer | Sell | 8,831 | $23.89 | $211,005.44 | -4.1% | +40.4% | -7.4% | |
| Aug 10, 2020 | RCUS Arcus Biosciences, Inc. | Chief Executive Officer | Buy | 43,705 | $22.86 | $999,313.89 | +1.4% | - | - | |
| Jun 6, 2019 | RCUS Arcus Biosciences, Inc. | Chief Executive Officer | Buy | 21,738 | $7.93 | $172,344.16 | +0.7% | - | - | |
| Jun 4, 2019 | RCUS Arcus Biosciences, Inc. | Chief Executive Officer | Buy | 41,540 | $7.91 | $328,575.17 | +1.4% | - | - | |
| Aug 28, 2018 | RCUS Arcus Biosciences, Inc. | Chief Executive Officer | Buy | 18,607 | $15.07 | $280,431.11 | +0.5% | - | - |