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Who

Ian T. Clark

Director

Company insider

Files Form 4 as: Director, Guardant Health; Director, Olema Pharmaceuticals; Director, Corvus Pharmaceuticals; Director, BioMarin Pharmaceutical; Director, Kyverna Therapeutics; Director, GoodRx Holdings; Director, Tectonic Therapeutic; Director, Agios Pharmaceuticals.

In numbers

Trades disclosed
595
Buys
1
Sells
58
Bought
$54K
Sold
$43.9M
Companies
13
Companies where not an officer
12
First trade
20 Sep 2006
Last trade
4 Aug 2026
Last filed
5 Aug 2026

Companies traded

Where they are an officer
GenentechOfficer · last 26 Mar 20090 buys · 11 sells
Everywhere else they filed: board seats, 10% stakes, other companies
GH Guardant HealthDirector · Diagnostics & Labs · last 4 Aug 20260 buys · 44 sells
OLMA Olema PharmaceuticalsDirector · Biotechnology · last 18 Jun 20260 buys · 1 sell
CRVS Corvus PharmaceuticalsDirector · Biotechnology · last 11 Jun 20260 buys · 0 sells
BMRN BioMarin PharmaceuticalDirector · Biotechnology · last 2 Jun 20260 buys · 0 sells
KYTX Kyverna TherapeuticsDirector · Biotechnology · last 27 May 20260 buys · 0 sells
GDRX GoodRx HoldingsDirector · Payments & Processors · last 8 Jul 20250 buys · 0 sells
TECX Tectonic TherapeuticDirector · Biotechnology · last 6 Jun 20230 buys · 0 sells
AGIO Agios PharmaceuticalsDirector · Biotechnology · last 20 May 20220 buys · 0 sells
Forty SevenDirector · last 7 Apr 20200 buys · 0 sells
Kite PharmaDirector · last 3 Oct 20170 buys · 0 sells
TerraVia HoldingsDirector · last 22 May 20171 buy · 0 sells
DendreonDirector · last 20 Aug 20100 buys · 2 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
20Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
4 Aug 2026filed 5 Aug 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code M$205K2,255 at $91.11filing
4 Aug 2026filed 5 Aug 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code M$346K6,833 at $50.57filing
4 Aug 2026filed 5 Aug 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Sold$1.4M9,088 at $158.98filing
4 Aug 2026filed 5 Aug 2026GH Guardant Healthoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—2,255 at $0.00filing
4 Aug 2026filed 5 Aug 2026GH Guardant Healthoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—6,833 at $0.00filing
4 Aug 2026filed 5 Aug 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Sold$809K5,092 at $158.80filing
4 Aug 2026filed 5 Aug 2026GH Guardant Healthoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—2,255 at $0.00filing
4 Aug 2026filed 5 Aug 2026GH Guardant Healthoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—6,833 at $0.00filing
4 Aug 2026filed 5 Aug 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code M$205K2,255 at $91.11filing
4 Aug 2026filed 5 Aug 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code M$346K6,833 at $50.57filing
4 Aug 2026filed 5 Aug 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Sold$1.4M9,088 at $158.98filing
4 Aug 2026filed 5 Aug 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Sold$809K5,092 at $158.80filing
18 Jun 2026filed 23 Jun 2026OLMA Olema Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—29,500 at $0.00filing
18 Jun 2026filed 23 Jun 2026OLMA Olema Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—29,500 at $0.00filing
17 Jun 2026filed 22 Jun 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code M—5,092 at $0.00filing
17 Jun 2026filed 22 Jun 2026GH Guardant Healthoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—5,092 at $0.00filing
17 Jun 2026filed 22 Jun 2026GH Guardant Healthoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—2,711 at $0.00filing
17 Jun 2026filed 22 Jun 2026GH Guardant Healthoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—5,092 at $0.00filing
17 Jun 2026filed 22 Jun 2026GH Guardant Healthoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—2,711 at $0.00filing
17 Jun 2026filed 22 Jun 2026GH Guardant HealthDiagnostics & LabsSEC FORM 4 Code M—5,092 at $0.00filing

The newest 500 lines are listed; the numbers count every line.

Sectors

Health Care45
Not placed14

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

Related people

Musa TariqDirector · Also traded GH in the last 90 days
Alex M. Azar IIDirector · Also traded GH in the last 90 days
Jonathan L. JacksonRepresentative, IL-01 · Also traded GH in the last 90 days
Steve E. KrognesDirector · Also traded GH in the last 90 days
Darya ChudovaChief Technology Officer · Also traded GH in the last 90 days
Kumud KaliaChief Information Officer · Also traded GH in the last 90 days
AmirAli TalasazCo-Chief Executive Officer · Also traded GH in the last 90 days
Terilyn J. MonroeChief People Officer · Also traded GH in the last 90 days