Arcus Biosciences ($RCUS) Insider Trading & Smart Money Activity
Arcus Biosciences, Inc. ($RCUS) has 20 insider trades and 1 13F position change on file. In the last 12 months on the open market, no insider bought and 1 insider sold ($877.53K), net -$877.53K.
- Insider buyers (12 mo)
- 0
- Insider sellers (12 mo)
- 1
- Net insider $ (12 mo)
- -$877.53K
- Congress trades (12 mo)
- 0
- 13F moves on file
- 1
- Analyst ratings on file
- 0
RCUS insider buying and selling by quarter
| Quarter | Insider buys | Insider sales | Congress buys / sales | 13F added / cut |
|---|---|---|---|---|
| Q1 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q2 2026 | 0 | 3 · $877.53K | 0 / 0 | 1 / 0 |
| Q3 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q4 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.
All RCUS insider, congress, 13F and analyst activity
| Date | Source | Who | Action | Shares | Value / amount | ΔOwn | 1W | 1M | 6M | Filing | Story |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Insider | Juan JaenPresident | Sell (Open-market sale) 10b5-1 | 6.43K sh | $190.74K | +0.4% | -1.3% | — | ||||
| Insider | Juan JaenPresident | Sell (Open-market sale) 10b5-1 | 15.76K sh | $437.13K | +9.4% | +5.5% | — | ||||
| Insider | Juan JaenPresident | Sell (Open-market sale) 10b5-1 | 9.24K sh | $249.65K | +14.1% | +10.1% | Read | ||||
| Insider | Carolyn TangGeneral Counsel | Sell (Option exercise) | 34.09K sh | $87.61K | +4.3% | +20.5% | — | ||||
| Insider | Carolyn TangGeneral Counsel | Sell (Option exercise) | 34.09K sh | $87.61K | +4.3% | +20.5% | — | ||||
| Insider | Carolyn TangGeneral Counsel | Buy (Option exercise) | 34.09K sh | $87.61K | +4.3% | +20.5% | — | ||||
| Insider | Carolyn TangGeneral Counsel | Buy (Option exercise) | 34.09K sh | $87.61K | +4.3% | +20.5% | — | ||||
| Insider | Antoni Ribas | Buy (Grant or award) | 5.70K sh | +4.3% | +20.5% | — | |||||
| Insider | Antoni Ribas | Buy (Grant or award) | 16.90K sh | +4.3% | +20.5% | — | |||||
| Insider | Andrew Perlman | Buy (Grant or award) | 5.70K sh | +4.3% | +20.5% | — | |||||
| Insider | Andrew Perlman | Buy (Grant or award) | 5.70K sh | +4.3% | +20.5% | — | |||||
| Insider | Patrick Machado | Buy (Grant or award) | 5.70K sh | +4.3% | +20.5% | — | |||||
| Insider | Patrick Machado | Buy (Grant or award) | 16.90K sh | +4.3% | +20.5% | — | |||||
| Insider | Nicole Lambert | Buy (Grant or award) | 16.90K sh | +4.3% | +20.5% | — | |||||
| Insider | David Lacey | Buy (Grant or award) | 16.90K sh | +4.3% | +20.5% | — | |||||
| Insider | David Lacey | Buy (Grant or award) | 5.70K sh | +4.3% | +20.5% | — | |||||
| Insider | Yasunori Kaneko | Buy (Grant or award) | 16.90K sh | +4.3% | +20.5% | — | |||||
| Insider | Yasunori Kaneko | Buy (Grant or award) | 16.90K sh | +4.3% | +20.5% | — | |||||
| Insider | Kathryn Falberg | Buy (Grant or award) | 5.70K sh | +4.3% | +20.5% | — | |||||
| Insider | Kathryn Falberg | Buy (Grant or award) | 5.70K sh | +4.3% | +20.5% | — | |||||
| 13F | Baker Bros. Advisors | Added | +145.62K sh | $12.79M | -1.5% | +1.7% | — |
1W / 1M / 6M = how RCUS moved from the trade or filing date.
Insider trading in RCUS: who is buying and selling
| Insider | Role | Trades | Open-market net | Shares held | Last trade |
|---|---|---|---|---|---|
| Juan Jaen | President | 3 | -$877.53K | Jun 24, 2026 | |
| Carolyn Tang | General Counsel | 4 | — | Jun 11, 2026 | |
| Antoni Ribas | 2 | — | Jun 11, 2026 | ||
| Andrew Perlman | 2 | — | Jun 11, 2026 | ||
| Patrick Machado | 2 | — | Jun 11, 2026 | ||
| David Lacey | 2 | — | Jun 11, 2026 | ||
| Yasunori Kaneko | 2 | — | Jun 11, 2026 | ||
| Kathryn Falberg | 2 | — | Jun 11, 2026 | ||
| Nicole Lambert | 1 | — | Jun 11, 2026 |
Institutions moving RCUS (13F)
Frequently asked questions
Are RCUS insiders buying or selling?
Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 1 insider made 3 open-market sales worth $877.53K, a net -$877.53K.
What is the latest insider trade in RCUS?
Juan Jaen, President filed a sell (open-market sale) of 6.43K sh worth $190.74K on Jun 24, 2026.
Which institutions changed their RCUS positions?
Recent 13F filers moving the stock include Baker Bros. Advisors.
Other biotechnology stocks
Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.
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