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Who

Bihua Chen

Director and 10% owner

Company insider

Files Form 4 as: Director and 10% owner, BlossomHill Therapeutics; CEO and Chairperson, BridgeBio Oncology Therapeutics; Chairperson and CEO, Helix Acquisition Corp. III; 10% owner, Corbus Pharmaceuticals Holdings; Director and 10% owner, Biomea Fusion; Other, Aardvark Therapeutics; Other, BioAge Labs; Other, GreenLight Biosciences Holdings, PBC.

In numbers

Trades disclosed
144
Buys
28
Sells
3
Bought
$314.5M
Sold
$4.1M
Companies
19
Companies where not an officer
16
First trade
3 Nov 2016
Last trade
10 Aug 2026
Last filed
10 Aug 2026

Companies traded

Where they are an officer
BBOT BridgeBio Oncology TherapeuticsDirector, Officer, 10% owner · Biotechnology · last 1 Jul 20261 buy · 0 sells
HLXC Helix Acquisition Corp. IIIDirector, Officer, 10% owner · Funds, Shells & SPACs · last 26 Jan 20261 buy · 0 sells
MLTX MoonLake ImmunotherapeuticsDirector, Officer, 10% owner · Biotechnology · last 30 Jun 20236 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
BLSM BlossomHill TherapeuticsDirector, 10% owner · Biotechnology · last 10 Aug 20261 buy · 0 sells
CRBP Corbus Pharmaceuticals Holdings10% owner · Biotechnology · last 11 Dec 20253 buys · 1 sell
BMEA Biomea FusionDirector, 10% owner · Biotechnology · last 11 Jun 20250 buys · 0 sells
AARD Aardvark TherapeuticsOther · Biotechnology · last 14 Feb 20251 buy · 0 sells
BIOA BioAge LabsOther · Biotechnology · last 27 Sep 20241 buy · 0 sells
GreenLight Biosciences Holdings, PBCOther · last 20 Jul 20230 buys · 1 sell
ERAS ErascaDirector · Biotechnology · last 22 Jun 20231 buy · 1 sell
Ambrx Biopharma10% owner · last 20 Apr 20233 buys · 0 sells
Ventyx BiosciencesOther · last 25 Oct 20211 buy · 0 sells
TYRA Tyra BiosciencesBiotechnology · last 17 Sep 20211 buy · 0 sells
Elevation Oncology10% owner · last 29 Jun 20211 buy · 0 sells
Rain TherapeuticsDirector · last 27 Apr 20211 buy · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
10 Aug 2026filed 10 Aug 2026BLSM BlossomHill TherapeuticsBiotechnologySEC FORM 4 Code C—1,599,993filing
10 Aug 2026filed 10 Aug 2026BLSM BlossomHill TherapeuticsBiotechnologySEC FORM 4 Code C—1,701,541filing
10 Aug 2026filed 10 Aug 2026BLSM BlossomHill TherapeuticsBiotechnologySEC FORM 4 Bought$5.0M312,500 at $16.00filing
10 Aug 2026filed 10 Aug 2026BLSM BlossomHill Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code C—1,599,993filing
10 Aug 2026filed 10 Aug 2026BLSM BlossomHill Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code C—1,701,541filing
6 Aug 2026filed 10 Aug 2026BLSM BlossomHill Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—23,904 at $0.00filing
1 Jul 2026filed 6 Jul 2026BBOT BridgeBio Oncology TherapeuticsBiotechnologySEC FORM 4 Code J—4,528,186 at $0.00filing
1 Jul 2026filed 6 Jul 2026BBOT BridgeBio Oncology TherapeuticsBiotechnologySEC FORM 4 Code J—2,692,459 at $0.00filing
1 Jul 2026filed 6 Jul 2026BBOT BridgeBio Oncology TherapeuticsBiotechnologySEC FORM 4 Code J—1,704,862 at $0.00filing
1 Jul 2026filed 6 Jul 2026BBOT BridgeBio Oncology TherapeuticsBiotechnologySEC FORM 4 Code J—130,865 at $0.00filing
1 Jul 2026filed 6 Jul 2026BBOT BridgeBio Oncology TherapeuticsBiotechnologySEC FORM 4 Code J—4,528,186 at $0.00filing
1 Jul 2026filed 6 Jul 2026BBOT BridgeBio Oncology TherapeuticsBiotechnologySEC FORM 4 Code J—2,692,459 at $0.00filing
1 Jul 2026filed 6 Jul 2026BBOT BridgeBio Oncology TherapeuticsBiotechnologySEC FORM 4 Code J—1,704,862 at $0.00filing
1 Jul 2026filed 6 Jul 2026BBOT BridgeBio Oncology TherapeuticsBiotechnologySEC FORM 4 Code J—130,865 at $0.00filing
16 Jun 2026filed 18 Jun 2026BBOT BridgeBio Oncology Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—31,675 at $0.00filing
16 Jun 2026filed 18 Jun 2026BBOT BridgeBio Oncology Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—31,675 at $0.00filing
26 Jan 2026filed 28 Jan 2026HLXC Helix Acquisition Corp. IIIFunds, Shells & SPACsSEC FORM 4 Code A$5.0M497,500 at $10.00filing
26 Jan 2026filed 28 Jan 2026HLXC Helix Acquisition Corp. IIIFunds, Shells & SPACsSEC FORM 4 Bought$8.0M800,000 at $10.00filing
26 Jan 2026filed 28 Jan 2026HLXC Helix Acquisition Corp. IIIFunds, Shells & SPACsSEC FORM 4 Code A$5.0M497,500 at $10.00filing
26 Jan 2026filed 28 Jan 2026HLXC Helix Acquisition Corp. IIIFunds, Shells & SPACsSEC FORM 4 Bought$8.0M800,000 at $10.00filing

News

BlossomHill Therapeutics Announces Collaboration with Foundation Medicine to Develop First Companion Diagnostic for BH-30643 in EGFR C797S Mutated Non-Small Cell Lung CancerBLSM · manilatimes.net · 22 Oct 2026

0 headlines in the last 90 days name Bihua Chen; 1 article from the last 14 days about the 3 companies they traded most, at most three about any one of them.

Sectors

Health Care18
Financials1
Not placed12

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

Related people

Marc CoboPrincipal Accounting Officer · Principal Accounting Officer at BridgeBio Oncology Therapeutics, filing Form 4 there in the last year
Pedro BeltranPresident and CEO · President and CEO at BridgeBio Oncology Therapeutics, filing Form 4 there in the last year
Yong BenChief Med & Dev Officer · Chief Med & Dev Officer at BridgeBio Oncology Therapeutics, filing Form 4 there in the last year
Idan ElmelechCOO & Principal Financial Ofcr · COO & Principal Financial Ofcr at BridgeBio Oncology Therapeutics, filing Form 4 there in the last year
Kristian ReichChief Scientific Officer · Chief Scientific Officer at MoonLake Immunotherapeutics, filing Form 4 there in the last year
Nelson SunOfficer · Also traded AARD in the last 90 days
Rehan VerjeeDirector · Also traded TYRA in the last 90 days
Nishant C. SaxenaChief Business Officer · Also traded CRBP in the last 90 days