Terry J. Rosen is CEO at Arcus Biosciences, Inc. (RCUS). They have made 15 open-market trades across 1 company since 2018, most recently 2026-01-23.
CIK 0001182473
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
10 open-market purchases totalling $4.8M since 2018, against 5 sales. Across 10 scored buys the stock is down 10.8% at ninety days, and 9.0 points behind the S&P over the same stretch.
10 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| RCUS | 2,236,409 | $49.5M |
Shares reported on the most recent Form 4, priced at the 2026-01-26 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 50% | 40% | 10% |
| Avg Move | +3.7% | -1.1% | -10.8% |
| Alpha | +3.7% | -2.2% | -9.0% |
| Scored | 10 | 10 | 10 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| RCUS | SELL | 2025-12-16 | 2025-12-18 | $22.01 | $2.4M | +8.4% | -0.1% | +1.0% |
| RCUS | BUY | 2025-02-27 | 2025-02-27 | $10.18 | $202K | -4.5% | -24.3% | -12.0% |
| RCUS | SELL | 2022-12-16 | 2022-12-16 | $30.75 | $802K | -33.9% | -33.7% | -44.7% |
| RCUS | SELL | 2022-06-16 | 2022-06-21 | $21.43 | $350K | +16.7% | +26.1% | +12.5% |
| RCUS | SELL | 2021-12-16 | 2021-12-20 | $39.99 | $277K | -1.3% | -18.3% | -15.6% |
| RCUS | SELL | 2021-06-16 | 2021-06-21 | $23.89 | $418K | +19.0% | +37.1% | +51.7% |
| RCUS | BUY | 2020-08-07 | 2020-08-11 | $22.56 | $1.2M | -0.2% | -7.2% | -12.6% |
| RCUS | BUY | 2019-06-05 | 2019-06-07 | $7.93 | $326K | +15.1% | +6.2% | -3.2% |
| RCUS | BUY | 2019-06-03 | 2019-06-05 | $7.91 | $657K | +13.3% | +8.9% | -7.9% |
| RCUS | BUY | 2018-08-27 | 2018-08-29 | $14.91 | $384K | -4.9% | -1.1% | -22.4% |
| RCUS | BUY | 2018-08-22 | 2018-08-24 | $13.43 | $191K | -3.6% | -0.6% | -14.2% |
| RCUS | BUY | 2018-08-17 | 2018-08-21 | $13.24 | $118K | +5.2% | +1.3% | -16.4% |
| RCUS | BUY | 2018-08-14 | 2018-08-16 | $12.67 | $551K | +11.9% | -2.8% | -14.8% |
| RCUS | BUY | 2018-08-09 | 2018-08-13 | $11.87 | $118K | +12.8% | +10.3% | +0.4% |
| RCUS | BUY | 2018-03-19 | 2018-03-19 | $15.00 | $1000K | -7.9% | -2.1% | -4.5% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.