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Who

Roy D. Baynes

Director

Company insider

Files Form 4 as: Director, Aardvark Therapeutics; Director, Natera; Director, Travere Therapeutics; Director, Nurix Therapeutics; Chief Medical Officer, Eikon Therapeutics; Director, Atara Biotherapeutics.

In numbers

Trades disclosed
164
Buys
0
Sells
11
Bought
$0
Sold
$14.0M
Companies
6
Companies where not an officer
5
First trade
19 Jul 2016
Last trade
14 Aug 2026
Last filed
21 Aug 2026

Companies traded

Where they are an officer
EIKN Eikon TherapeuticsOfficer · Biotechnology · last 2 Mar 20260 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
AARD Aardvark TherapeuticsDirector · Biotechnology · last 14 Aug 20260 buys · 0 sells
NTRA NateraDirector · Diagnostics & Labs · last 26 Jun 20260 buys · 4 sells
TVTX Travere TherapeuticsDirector · Biotechnology · last 12 Jun 20260 buys · 7 sells
NRIX Nurix TherapeuticsDirector · Biotechnology · last 15 May 20260 buys · 0 sells
ATRA Atara BiotherapeuticsDirector · Biotechnology · last 23 Jun 20220 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
30Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
14 Aug 2026filed 21 Aug 2026AARD Aardvark Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—44,964 at $0.00filing
14 Aug 2026filed 21 Aug 2026AARD Aardvark Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—44,964 at $0.00filing
26 Jun 2026filed 30 Jun 2026NTRA NateraDiagnostics & LabsSEC FORM 4 Code A—1,571filing
26 Jun 2026filed 30 Jun 2026NTRA NateraDiagnostics & LabsSEC FORM 4 Code A—75filing
26 Jun 2026filed 30 Jun 2026NTRA NateraDiagnostics & LabsSEC FORM 4 Code A—1,571filing
26 Jun 2026filed 30 Jun 2026NTRA NateraDiagnostics & LabsSEC FORM 4 Code A—75filing
12 Jun 2026filed 16 Jun 2026TVTX Travere TherapeuticsBiotechnologySEC FORM 4 Code M$96K4,500 at $21.38filing
12 Jun 2026filed 16 Jun 2026TVTX Travere TherapeuticsBiotechnologySEC FORM 4 Sold$225K4,500 at $50.00filing
12 Jun 2026filed 16 Jun 2026TVTX Travere Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code M—4,500 at $0.00filing
12 Jun 2026filed 16 Jun 2026TVTX Travere Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code M—4,500 at $0.00filing
12 Jun 2026filed 16 Jun 2026TVTX Travere TherapeuticsBiotechnologySEC FORM 4 Code M$96K4,500 at $21.38filing
12 Jun 2026filed 16 Jun 2026TVTX Travere TherapeuticsBiotechnologySEC FORM 4 Sold$225K4,500 at $50.00filing
19 May 2026filed 21 May 2026TVTX Travere TherapeuticsBiotechnologySEC FORM 4 Code A—4,000 at $0.00filing
19 May 2026filed 21 May 2026TVTX Travere Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—12,000 at $0.00filing
19 May 2026filed 21 May 2026TVTX Travere Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—12,000 at $0.00filing
19 May 2026filed 21 May 2026TVTX Travere TherapeuticsBiotechnologySEC FORM 4 Code A—4,000 at $0.00filing
15 May 2026filed 15 May 2026NRIX Nurix Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—31,250 at $0.00filing
15 May 2026filed 15 May 2026NRIX Nurix Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—31,250 at $0.00filing
5 May 2026filed 6 May 2026TVTX Travere TherapeuticsBiotechnologySEC FORM 4 Code M$82K4,500 at $18.27filing
5 May 2026filed 6 May 2026TVTX Travere TherapeuticsBiotechnologySEC FORM 4 Sold$210K4,500 at $46.65filing

Sectors

Health Care11

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

Related people

Tim KutzkeyDirector and 10% owner · 10% owner at Eikon Therapeutics, filing Form 4 there in the last year
Column Group IV GP, LP10% owner · 10% owner at Eikon Therapeutics, filing Form 4 there in the last year
Kenneth C. FrazierDirector · Director at Eikon Therapeutics, filing Form 4 there in the last year
Roger M. PerlmutterDirector and Officer · Insider at Eikon Therapeutics, filing Form 4 there in the last year
Robert Luther HuffinesDirector · Director at Eikon Therapeutics, filing Form 4 there in the last year
Jonathan SheenaDirector and Other role · Also traded NTRA in the last 90 days
Eric M. DubeChief Executive Officer · Also traded TVTX in the last 90 days
Matthew RabinowitzExecutive Chairman · Also traded NTRA in the last 90 days