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Who

Robert F. Booth

Director

Company insider

Files Form 4 as: Director, Summit Therapeutics; Director, CymaBay Therapeutics; Director, Pharmacyclics.

In numbers

Trades disclosed
65
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
3
Companies where not an officer
3
First trade
9 Dec 2010
Last trade
2 Jan 2026
Last filed
6 Jan 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
SMMT Summit TherapeuticsDirector · Biotechnology · last 2 Jan 20260 buys · 0 sells
CymaBay TherapeuticsDirector · last 29 Jan 20190 buys · 0 sells
PharmacyclicsDirector · last 26 May 20150 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
2 Jan 2026filed 6 Jan 2026SMMT Summit Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—35,000filing
2 Jan 2026filed 6 Jan 2026SMMT Summit Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A$63K7,180 at $8.76filing
2 Jan 2026filed 6 Jan 2026SMMT Summit Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—35,000filing
2 Jan 2026filed 6 Jan 2026SMMT Summit Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A$63K7,180 at $8.76filing
2 Jan 2025filed 6 Jan 2025SMMT Summit Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—35,000filing
2 Jan 2025filed 6 Jan 2025SMMT Summit Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A$63K6,855 at $9.18filing
2 Jan 2024filed 4 Jan 2024SMMT Summit Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—35,000filing
2 Jan 2024filed 4 Jan 2024SMMT Summit Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A$63K47,651 at $1.32filing
3 Jan 2023filed 5 Jan 2023SMMT Summit Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—35,000filing
3 Jan 2023filed 5 Jan 2023SMMT Summit Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A$55K32,700 at $1.67filing
28 Sep 2022filed 3 Oct 2022SMMT Summit Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—200,000filing
28 Sep 2022filed 3 Oct 2022SMMT Summit Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—6,250filing
29 Jan 2019filed 31 Jan 2019CymaBay Therapeuticsoption or derivativeSEC FORM 4 Code A—27,705 at $0.00filing
24 Jan 2018filed 26 Jan 2018CymaBay Therapeuticsoption or derivativeSEC FORM 4 Code A—16,000 at $0.00filing
22 Sep 2017filed 26 Sep 2017CymaBay Therapeuticsoption or derivativeSEC FORM 4 Code A—7,500 at $0.00filing
28 Jun 2017filed 30 Jun 2017CymaBay Therapeuticsoption or derivativeSEC FORM 4 Code A—15,000 at $0.00filing
19 Jan 2017filed 23 Jan 2017CymaBay Therapeuticsoption or derivativeSEC FORM 4 Code A—30,000 at $0.00filing
26 May 2015filed 28 May 2015PharmacyclicsSEC FORM 4 Code D$2.6M10,000 at $261.25filing
26 May 2015filed 28 May 2015Pharmacyclicsoption or derivativeSEC FORM 4 Code D—10,000filing
26 May 2015filed 28 May 2015Pharmacyclicsoption or derivativeSEC FORM 4 Code D—20,000filing

News

No headline names them, or the companies they trade most, lately.

Sectors

No trade we could place in a sector.

Related people

Bhaskar AnandChief Accounting Officer · Chief Accounting Officer at Summit Therapeutics, filing Form 4 there in the last year
Mahkam ZanganehDirector · Co-Chief Executive Officer at Summit Therapeutics, filing Form 4 there in the last year
Robert W. DugganDirector and 10% owner · Co-Chief Executive Officer at Summit Therapeutics, filing Form 4 there in the last year
Manmeet Singh SoniDirector · COO and CFO at Summit Therapeutics, filing Form 4 there in the last year
Alessandra CesanoDirector · Director at Summit Therapeutics, filing Form 4 there in the last year