SCHEDULE 13D/A Filed 2026-06-01 Event 2026-05-28 SEC 0000921895-26-001521 →

STADIUM CAPITAL MANAGEMENT LLC → Sleep Number Corp SNBRQ

Stake: — Shares: 953,478 Class: Common Stock, par value $0.01 per share

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 27/100

Active Schedule 13D filer baseline
Held by 1 tracked 13F institutional manager
Moderate short days-to-cover (4.3 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)

2 transactions

0 buys · 2 sales · 0 awards/exercises

Issuer Cluster

5 13D/G filings on this issuer

4 other filings besides this one

Filer Track Record

5 filings by this filer

4 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 4.28

1,288,380 shares short · -8.9% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $191K

Point72 Asset Mgmt

Post-Filing Returns · since 2026-05-28 on SNBRQ

+1 day

0.0%

+5 days

0.0%

+30 days

0.0%

+60 days

-33.3%

+90 days

—

+180 days

—

Anchor price 0.03 on closest trading day on/after 2026-05-28. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-05-28	STADIUM CAPITAL MANAGEMENT LLC	10%+ owner	Sale	330,732	$1.78	$588K
2026-05-28	STADIUM CAPITAL MANAGEMENT LLC	10%+ owner	Sale	59,944	$1.78	$107K

Other 13D/G Filings on Sleep Number Corp

Filed	Form	Filer	Stake	Shares
2026-06-23	SCHEDULE 13G	AQR CAPITAL MANAGEMENT LLC	—	—	view →
2026-06-23	SCHEDULE 13G	JANE STREET GROUP, LLC	—	—	view →
2024-12-02	SC	STADIUM CAPITAL MANAGEMENT LLC	—	—	view →
2024-11-04	SC	STADIUM CAPITAL MANAGEMENT LLC	—	—	view →

Other Filings by STADIUM CAPITAL MANAGEMENT LLC

Filed	Form	Issuer	Stake	Shares
2024-12-02	SC	Sleep Number Corp SNBR	—	—	view →
2024-11-04	SC	Sleep Number Corp SNBR	—	—	view →
2020-12-17	SC	Ascena Retail Group, Inc.	—	—	view →
2020-12-11	SC	Ascena Retail Group, Inc.	—	—	view →

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