SCHEDULE 13G Filed 2026-05-28 Event — SEC 0001831942-26-000026 →

Commodore Capital LP → Research Alliance Corp III RACC

Stake: — Shares: — Class: Class A Ordinary Shares, par value $0.0001 per share

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 11/100

Passive Schedule 13G filer baseline
Short interest building (+20.8% vs prior settlement)

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

2 transactions

2 buys · 0 sales · 0 awards/exercises

Issuer Cluster

8 13D/G filings on this issuer

7 other filings besides this one

Filer Track Record

9 filings by this filer

8 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 1.00

8,654 shares short · +20.8% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-05-21	Research Alliance Holdings III LLC /Cayman	director, 10%+ owner	Award	275,000	$10.00	$2.75M
2026-05-21	Hammond Matthew	director, officer, 10%+ owner	Award	275,000	$10.00	$2.75M

Other 13D/G Filings on Research Alliance Corp III

Filed	Form	Filer	Stake	Shares
2026-10-07	SCHEDULE 13G	Nantahala Capital Management, LLC	—	—	view →
2026-09-11	SCHEDULE 13G	GREAT POINT PARTNERS LLC	—	—	view →
2026-08-14	SCHEDULE 13G	ADAR1 Capital Management, LLC	—	—	view →
2026-08-03	SCHEDULE 13G	BANK OF AMERICA CORP /DE/	—	—	view →
2026-07-28	SCHEDULE 13D/A	Research Alliance Holdings III LLC /Cayman	—	1,520,269	view →
2026-05-29	SCHEDULE 13D	Research Alliance Holdings III LLC /Cayman	14.70%	1,520,269	view →
2026-05-29	SCHEDULE 13G	BIOTECHNOLOGY VALUE FUND L P	—	—	view →

Other Filings by Commodore Capital LP

Filed	Form	Issuer	Stake	Shares
2026-10-07	SCHEDULE 13G	Sagimet Biosciences Inc.	—	—	view →
2026-10-01	SCHEDULE 13G	Surrozen, Inc./DE	—	—	view →
2026-09-02	SCHEDULE 13G	JATT III Acquisition Corp	—	—	view →
2026-08-17	SCHEDULE 13G	InflaRx N.V.	—	—	view →
2026-07-20	SCHEDULE 13G	Research Alliance Corp IV	—	—	view →
2026-06-18	SCHEDULE 13G	Avalo Therapeutics, Inc. AVTX	—	—	view →
2026-06-03	SCHEDULE 13G	EyePoint, Inc. EYPT	—	—	view →
2026-06-02	SCHEDULE 13G	Editas Medicine, Inc. EDIT	—	—	view →

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