SCHEDULE 13D/A Filed 2026-06-15 Event 2026-06-11 SEC 0000947871-26-000624 →

ORBIMED ADVISORS LLC → Shattuck Labs, Inc. STTK

Stake: — Shares: 9,021,127 Class: Common Stock, par value $0.0001 per share

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 29/100 · Filer 90d Win Rate: 25% · Hist. 90d Edge: -5.4%

Filer track record (12 filings): 25% 90d win rate, +0.0% 90d edge
Held by 1 tracked 13F institutional manager
Elevated short days-to-cover (7.2 DTC)

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)

3 transactions

2 buys · 0 sales · 1 awards/exercises

Issuer Cluster

4 13D/G filings on this issuer

3 other filings besides this one

Filer Track Record

145 filings by this filer

144 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 7.24

10,440,338 shares short · -4.6% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $3.90M

Point72 Asset Mgmt

Post-Filing Returns · since 2026-06-11 on STTK

+1 day

0.0%

+5 days

0.0%

+30 days

-11.4%

+60 days

—

+90 days

—

+180 days

—

Anchor price 7.26 on closest trading day on/after 2026-06-11. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-05-29	Boudreau Helen M	director	Award	81,000	$5.95	$482K
2026-05-15	Stout Stephen	officer	Award	12,805	$1.08	$14K
2026-05-15	Stout Stephen	officer	Option exercise	12,805	$1.08	$14K

Other 13D/G Filings on Shattuck Labs, Inc.

Filed	Form	Filer	Stake	Shares
2026-07-17	SCHEDULE 13D/A	Redmile Group, LLC	9.90%	10,019,421	view →
2026-06-17	SCHEDULE 13G	Deep Track Capital, LP	—	—	view →
2026-06-11	SCHEDULE 13D/A	Redmile Group, LLC	9.90%	9,819,084	view →

Other Filings by ORBIMED ADVISORS LLC

Filed	Form	Issuer	Stake	Shares
2026-10-08	SCHEDULE 13D/A	ArriVent BioPharma, Inc.	5.80%	2,875,962	view →
2026-10-02	SCHEDULE 13D	ADARx Pharmaceuticals, Inc.	14.00%	14,913,764	view →
2026-09-25	SCHEDULE 13D	Electra Therapeutics, Inc.	11.00%	6,885,170	view →
2026-09-10	SCHEDULE 13D/A	Braveheart Bio, Inc.	13.50%	12,175,159	view →
2026-08-18	SCHEDULE 13D	BlossomHill Therapeutics, Inc.	8.90%	2,714,279	view →
2026-08-18	SCHEDULE 13D	Braveheart Bio, Inc.	17.20%	12,175,159	view →
2026-08-10	SCHEDULE 13D/A	MBX Biosciences, Inc.	—	3,074,853	view →
2026-08-05	SCHEDULE 13D	Yarrow Bioscience, Inc.	9.97%	266,306	view →
2026-07-29	SCHEDULE 13D	Scribe Therapeutics, Inc.	7.20%	1,348,825	view →
2026-07-20	SCHEDULE 13D/A	Q32 Bio Inc.	—	4,127,987	view →
2026-06-24	SCHEDULE 13D/A	Enliven Therapeutics, Inc. ELVN	—	6,774,507	view →
2026-06-17	SCHEDULE 13D/A	Enliven Therapeutics, Inc. ELVN	10.93%	7,634,630	view →
2026-06-01	SCHEDULE 13D/A	Q32 Bio Inc. QTTB	—	4,127,987	view →
2026-04-10	SCHEDULE 13D/A	Adicet Bio, Inc. ACET	8.80%	844,787	view →
2026-01-27	SCHEDULE	Corvus Pharmaceuticals, Inc. CRVS	10.30%	8,609,091	view →
2025-10-10	SCHEDULE	Adicet Bio, Inc. ACET	9.60%	14,772,598	view →
2025-09-30	SCHEDULE	MBX Biosciences, Inc. MBX	9.00%	4,002,887	view →
2025-07-21	SCHEDULE	Passage BIO, Inc. PASG	7.82%	243,878	view →
2025-05-14	SCHEDULE	Corvus Pharmaceuticals, Inc. CRVS	12.20%	9,785,423	view →
2025-04-11	SCHEDULE	Compass Therapeutics, Inc. CMPX	11.00%	15,219,994	view →

Showing 20 of 144

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