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Arcus Biosciences ($RCUS) Insider Trading & Smart Money Activity

Arcus Biosciences, Inc. · Biotechnology · Latest filing Jun 24, 2026

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

QuarterInsider buysInsider salesCongress buys / sales13F 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

DateSourceWhoActionSharesValue / amount ΔOwn1W1M6MFilingStory
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

InsiderRoleTradesOpen-market netShares heldLast 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

All stocks Insider cluster buys Top insider purchases Congress 13F institutions

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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