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Who

Terry J. Rosen

Director

Company insider

Files Form 4 as: Director, IDEAYA Biosciences; Chief Executive Officer, Arcus Biosciences.

In numbers

Trades disclosed
81
Buys
22
Sells
9
Bought
$3.7M
Sold
$2.2M
Companies
2
Companies where not an officer
1
First trade
19 Mar 2018
Last trade
16 Jun 2026
Last filed
18 Jun 2026

Companies traded

Where they are an officer
RCUS Arcus BiosciencesDirector, Officer · Biotechnology · last 23 Jan 202622 buys · 9 sells
Everywhere else they filed: board seats, 10% stakes, other companies
IDYA IDEAYA BiosciencesDirector · Biotechnology · last 16 Jun 20260 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
201Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
16 Jun 2026filed 18 Jun 2026IDYA IDEAYA Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code A—20,000 at $0.00filing
16 Jun 2026filed 18 Jun 2026IDYA IDEAYA Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code A—20,000 at $0.00filing
23 Jan 2026filed 26 Jan 2026RCUS Arcus BiosciencesBiotechnologySEC FORM 4 Code A—79,000 at $0.00filing
23 Jan 2026filed 26 Jan 2026RCUS Arcus Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code A—315,000 at $0.00filing
23 Jan 2026filed 26 Jan 2026RCUS Arcus Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code A—315,000 at $0.00filing
23 Jan 2026filed 26 Jan 2026RCUS Arcus BiosciencesBiotechnologySEC FORM 4 Code A—79,000 at $0.00filing
8 Jan 2026filed 9 Jan 2026RCUS Arcus BiosciencesBiotechnologySEC FORM 4 Code G—35,000 at $0.00filing
8 Jan 2026filed 9 Jan 2026RCUS Arcus BiosciencesBiotechnologySEC FORM 4 Code G—35,000 at $0.00filing
30 Dec 2025filed 2 Jan 2026RCUS Arcus BiosciencesBiotechnologySEC FORM 4 Code G—2,400 at $0.00filing
30 Dec 2025filed 2 Jan 2026RCUS Arcus BiosciencesBiotechnologySEC FORM 4 Code G—2,400 at $0.00filing
17 Dec 2025filed 18 Dec 2025RCUS Arcus BiosciencesBiotechnologySEC FORM 4 Sold$570K25,744 at $22.16filing
16 Dec 2025filed 18 Dec 2025RCUS Arcus BiosciencesBiotechnologySEC FORM 4 Sold$633K28,947 at $21.88filing
24 Jun 2025filed 26 Jun 2025IDYA IDEAYA Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code A—20,000 at $0.00filing
27 Feb 2025filed 27 Feb 2025RCUS Arcus BiosciencesBiotechnologySEC FORM 4 Bought$202K19,800 at $10.18filing
23 Jan 2025filed 27 Jan 2025RCUS Arcus Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code A—650,000 at $0.00filing
23 Jan 2025filed 27 Jan 2025RCUS Arcus BiosciencesBiotechnologySEC FORM 4 Code A—165,000 at $0.00filing
15 Dec 2024filed 17 Dec 2024RCUS Arcus BiosciencesBiotechnologySEC FORM 4 Code F$609K37,882 at $16.08filing
15 Jun 2024filed 18 Jun 2024RCUS Arcus BiosciencesBiotechnologySEC FORM 4 Code F$215K12,670 at $16.97filing
31 May 2024filed 31 May 2024IDYA IDEAYA Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code A—16,200 at $0.00filing
23 Jan 2024filed 25 Jan 2024RCUS Arcus Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code A—405,900 at $0.00filing

Sectors

Health Care31

Buys in green, sells in red, by the company’s sector.

Related people

Alexander AzoyChief Accounting Officer · Chief Accounting Officer at Arcus Biosciences, filing Form 4 there in the last year
Juan C. JaenPresident · President at Arcus Biosciences, filing Form 4 there in the last year
Yasunori KanekoDirector · Director at Arcus Biosciences, filing Form 4 there in the last year
Patrick MachadoDirector · Director at Arcus Biosciences, filing Form 4 there in the last year
Kathryn E. FalbergDirector · Director at Arcus Biosciences, filing Form 4 there in the last year
Donald J. TrumpPresident · Also traded RCUS in the last 90 days