SCHEDULE 13D/A Filed 2026-06-11 Event 2026-06-09 SEC 0001104659-26-073086 →

Redmile Group, LLC → Shattuck Labs, Inc. STTK

Stake: 9.90% Shares: 9,819,084 CUSIP: 82024L103 Class: Common Stock, par value $0.0001 per share

Composite Decision Signal · WATCH (DEVELOPING SETUP) Conviction Score: 62/100 · Filer 90d Win Rate: 100% · Hist. 90d Edge: +12.1%

Filer track record (3 filings): 100% 90d win rate, +12.1% 90d edge
High conviction ownership stake (9.9%)
Held by 1 tracked 13F institutional manager
3 NPORT-P mutual funds holding CUSIP
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

24 filings by this filer

23 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 2026-06-09 on STTK

+1 day

0.0%

+5 days

0.0%

+30 days

-3.2%

+60 days

—

+90 days

—

+180 days

—

Anchor price 7.26 on closest trading day on/after 2026-06-09. 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 →
2026-06-15	SCHEDULE 13D/A	ORBIMED ADVISORS LLC	—	9,021,127	view →

Other Filings by Redmile Group, LLC

Filed	Form	Issuer	Stake	Shares
2026-09-28	SCHEDULE 13G	Electra Therapeutics, Inc.	—	—	view →
2026-07-24	SCHEDULE 13D/A	Atara Biotherapeutics, Inc.	9.90%	950,994	view →
2026-07-17	SCHEDULE 13D/A	Shattuck Labs, Inc.	9.90%	10,019,421	view →
2026-05-14	SCHEDULE 13D/A	Atara Biotherapeutics, Inc. ATRA	9.90%	950,994	view →
2025-04-29	SCHEDULE	Absci Corp ABSI	6.50%	8,335,116	view →
2024-07-19	SC	Augmedix, Inc.	—	—	view →
2023-12-28	SC	FATE THERAPEUTICS INC FATE	—	—	view →
2023-06-21	SC	MedAvail Holdings, Inc.	—	—	view →
2023-06-13	SC	IGM Biosciences, Inc.	—	—	view →
2023-03-15	SC	MedAvail Holdings, Inc.	—	—	view →
2022-10-05	SC	IGM Biosciences, Inc.	—	—	view →
2022-07-06	SC	MedAvail Holdings, Inc.	—	—	view →
2022-01-14	SC	MedAvail Holdings, Inc.	—	—	view →
2021-11-29	SC	MedAvail Holdings, Inc.	—	—	view →
2021-03-01	SC	Augmedix, Inc.	—	—	view →
2021-01-12	SC	FATE THERAPEUTICS INC FATE	—	—	view →
2020-12-15	SC	IGM Biosciences, Inc.	—	—	view →
2020-09-10	SC	IGM Biosciences, Inc.	—	—	view →
2019-10-24	SC	ALDER BIOPHARMACEUTICALS INC	—	—	view →
2019-09-17	SC	FATE THERAPEUTICS INC FATE	—	—	view →

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