SNBRQ

SEC source: 0001127602-25-016013 · form4.xml · nonDerivative · entry 1

Eyler Phillip · CIK 0001649301 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,748

F1 · balance_after: Includes 9,776 restricted stock units that will vest over time. On 5/21/25, restrictions lapsed on 5,457 restricted stock units and the reporting person elected to defer receipt of those shares.

SEC source: 0001127602-25-016011 · form4.xml · nonDerivative · entry 1

HOWARD JULIE · CIK 0001232758 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,098

F1 · balance_after: Includes 9,776 restricted stock units that will vest over time. On 5/21/25, restrictions lapsed on 5,457 restricted stock units and the reporting person elected to defer receipt of those shares.

SEC source: 0001127602-25-016010 · form4.xml · nonDerivative · entry 1

MENDEZ ANGEL L · CIK 0001266620 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,448

F1 · balance_after: Includes 9,776 restricted stock units that will vest over time. On 5/21/25, 5,457 shares vested from a restricted stock unit award and the reporting person has deferred receipt of the shares.

SEC source: 0001127602-25-014427 · form4.xml · nonDerivative · entry 1

Minson Amber · CIK 0001951324 · EVP, Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,724

F1 · balance_after: Includes 21,724 Restricted Stock Units that will vest over time.

SEC source: 0001127602-25-014249 · form4.xml · nonDerivative · entry 1

Eyler Phillip · CIK 0001649301 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,972

F1 · balance_after: Includes 5,457 restricted stock units that will vest over time.

SEC source: 0001127602-25-013790 · form4.xml · nonDerivative · entry 2

Findley Linda · CIK 0001675052 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 647,606

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices between $7.01 and $7.58, inclusive. The reporting person will provide to the SEC Staff, Sleep Number or any security holder of Sleep Number, upon request, full information regarding the number of shares purchased at each separate price.

F3 · balance_after: Includes 181,029 shares from a Restricted Stock Unit Award and 362,057 shares from a Restricted Stock Unit with Modifier Award. These Awards vest over time.

SEC source: 0001127602-25-013791 · form4.xml · nonDerivative · entry 1

Lee Francis K · CIK 0001989230 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,970

F1 · balance_after: Includes 72,455 shares from Restricted Stock Unit awards that vest over time.

SEC source: 0001127602-25-013790 · form4.xml · nonDerivative · entry 1

Findley Linda · CIK 0001675052 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 604,106

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices between $7.02 and $7.21, inclusive. The reporting person will provide to the SEC Staff, Sleep Number or any security holder of Sleep Number, upon request, full information regarding the number of shares purchased at each separate price.

SEC source: 0001127602-25-012268 · form4.xml · nonDerivative · entry 2

Findley Linda · CIK 0001675052 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 543,086

F1 · balance_after: Includes 181,029 shares from a Restricted Stock Unit Award and 362,057 shares from a Restricted Stock Unit with Modifier Award. These Awards vest over time.

SEC source: 0001127602-25-012268 · form4.xml · nonDerivative · entry 1

Findley Linda · CIK 0001675052 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 181,029

SEC source: 0001127602-25-012269 · form4.xml · nonDerivative · entry 1

Laing Joel Joseph · CIK 0001920706 · Treasurer & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,798

F1 · shares: On 4/15/25 555 shares vested from a restricted stock unit award. These shares were withheld from the vesting to cover the estimated tax withholding obligation.

F2 · balance_after: Includes 9,667 restricted stock units that vest over time.

SEC source: 0001127602-25-010262 · form4.xml · nonDerivative · entry 2

Ibach Shelly Radue · CIK 0001393812 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · by Family Trust

Disclosed balance after: 396,049

SEC source: 0001127602-25-010262 · form4.xml · nonDerivative · entry 1

Ibach Shelly Radue · CIK 0001393812 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,630

F1 · shares: On March 21, 2025, these deferred shares paid out and the reporting person gifted the shares to her Family Trust.

F2 · balance_after: Includes 60,630 restricted stock units that vest over time.

SEC source: 0001127602-25-009656 · form4.xml · nonDerivative · entry 2

Laing Joel Joseph · CIK 0001920706 · Treasurer & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,998

F1 · shares: On 3/15/25 1,901 shares vested from restricted stock unit awards. These shares were withheld from the vesting to cover the estimated tax withholding obligation.

F2 · balance_after: Includes 10,222 restricted stock units that vest over time.

SEC source: 0001127602-25-009656 · form4.xml · nonDerivative · entry 1

Laing Joel Joseph · CIK 0001920706 · Treasurer & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,682

SEC source: 0001127602-25-009654 · form4.xml · nonDerivative · entry 1

Lee Francis K · CIK 0001989230 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,770

F1 · balance_after: Includes 72,455 shares from Restricted Stock Unit awards that vest over time. On 3/15/25 8,085 shares vested from a restricted stock unit award and the reporting person covered his estimated tax obligation in cash.

SEC source: 0001127602-25-009651 · form4.xml · nonDerivative · entry 1

Krusmark Christopher D · CIK 0001816177 · EVP & Chief H.R. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,534

F1 · balance_after: Includes 30,232 restricted stock units that vest over time. On 3/15/25 6,026 shares vested from restricted stock unit awards. The reporting person covered his estimated tax obligation in cash.

SEC source: 0001127602-25-009647 · form4.xml · nonDerivative · entry 1

Hellfeld Samuel R · CIK 0001750478 · EVP Chief Legal & Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,906

F1 · balance_after: Includes 44,354 shares from restricted stock unit awards that vest over time. On 3/15/25 9,562 shares vested from restricted stock unit awards. The reporting person covered his estimated tax obligation in cash.

SEC source: 0001127602-25-009645 · form4.xml · nonDerivative · entry 2

Bloomquist Andrea Lee · CIK 0001551521 · EVP, Chief Innovation Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,117

F1 · shares: On 3/15/25 6,737 shares vested from a restricted stock unit award. These shares were withheld from the vesting to cover the reporting persons estimated tax obligation.

F2 · balance_after: Includes 49,680 restricted stock units that will vest over time.

SEC source: 0001127602-25-009645 · form4.xml · nonDerivative · entry 1

Bloomquist Andrea Lee · CIK 0001551521 · EVP, Chief Innovation Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 143,432

SEC source: 0001127602-25-009642 · form4.xml · nonDerivative · entry 1

Brown Kevin Kennedy · CIK 0001596057 · EVP and CMO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,335

F1 · balance_after: Includes 33,533 shares pursuant to restricted stock awards that will vest over time. On 3/15/25 4,548 shares vested from a restricted stock unit award.

SEC source: 0001127602-25-009640 · form4.xml · nonDerivative · entry 2

Barra Melissa · CIK 0001630667 · EVP, Chief Sales & Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,943

F1 · shares: On 3/15/25 6,737 shares vested from a restricted stock unit award. These shares were withheld from the vesting to cover the reporting person's estimated tax obligation.

F2 · balance_after: Includes 49,679 restricted stock units that will vest over time.

SEC source: 0001127602-25-009640 · form4.xml · nonDerivative · entry 1

Barra Melissa · CIK 0001630667 · EVP, Chief Sales & Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,982

SEC source: 0001127602-25-009637 · form4.xml · nonDerivative · entry 2

Ibach Shelly Radue · CIK 0001393812 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · by Family Trust

Disclosed balance after: 308,040

SEC source: 0001127602-25-009637 · form4.xml · nonDerivative · entry 1

Ibach Shelly Radue · CIK 0001393812 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 148,639

F1 · shares: On 3/15/25 shares vested from a restricted stock unit award. The reporting person covered her estimated tax obligation in cash.

F2 · balance_after: Includes 88,009 restricted stock units which the reporting person has deferred and 60,630 restricted stock units that vest over time.

SEC source: 0000921895-25-000760 · form407785006_03132025.xml · nonDerivative · entry 1

Fazio Gary T · CIK 0002060606 · See Explanation of Responses

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,125

F1 · security: The reporting person may be deemed to be a member of a Section 13(d) group with, among others, Stadium Capital Management, LLC and certain of its affiliates that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock, par value $0.01 per share. The reporting person disclaims beneficial ownership of the securities of the Issuer owned directly by the other members of the Section 13(d) group and this report shall not be deemed an admission that he is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

SEC source: 0000921895-25-000603 · form407785006_02252025.xml · nonDerivative · entry 1

HOPF PATRICK A · CIK 0001271538 · See Explanation of Responses

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,000

F1 · security: The reporting person may be deemed to be a member of a Section 13(d) group with Stadium Capital Management, LLC and certain of its affiliates that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock, par value $0.01 per share. The reporting person disclaims beneficial ownership of the securities of the Issuer owned directly by the other members of the Section 13(d) group and this report shall not be deemed an admission that he is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

SEC source: 0001127602-24-029244 · form4.xml · derivative · entry 2

HOWARD JULIE · CIK 0001232758 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,233.0442

Underlying: Common Stock · 1,204.9721 shares

Expires not disclosed

F2 · derivative.exercise_price: Each share of Phantom Stock is the economic equivalent of one share of Common Stock. The shares of Phantom Stock become payable in Common Stock, at the election of the reporting person.

F3 · shares: These shares in lieu of board fees are awarded based on an irrevocable deferral election for calendar year 2024 which was made before January 1, 2024.

F2 · derivative.exercise_date: Each share of Phantom Stock is the economic equivalent of one share of Common Stock. The shares of Phantom Stock become payable in Common Stock, at the election of the reporting person.

F2 · derivative.expiration_date: Each share of Phantom Stock is the economic equivalent of one share of Common Stock. The shares of Phantom Stock become payable in Common Stock, at the election of the reporting person.

SEC source: 0001127602-24-029241 · form4.xml · derivative · entry 2

Matas Barbara Ruth · CIK 0001671249 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,720.4366

Underlying: Common Stock · 1,331.8113 shares

Expires not disclosed

F2 · derivative.exercise_price: Each share of Phantom Stock is the economic equivalent of one share of Common Stock. The shares of Phantom Stock become payable in Common Stock, at the election of the reporting person.

F3 · shares: These shares in lieu of board fees are awarded based on an irrevocable deferral election for calendar year 2024 which was made before January 1, 2024.

F2 · derivative.exercise_date: Each share of Phantom Stock is the economic equivalent of one share of Common Stock. The shares of Phantom Stock become payable in Common Stock, at the election of the reporting person.

F2 · derivative.expiration_date: Each share of Phantom Stock is the economic equivalent of one share of Common Stock. The shares of Phantom Stock become payable in Common Stock, at the election of the reporting person.

SEC source: 0001127602-24-029239 · form4.xml · derivative · entry 3

Macadam Stephen E. · CIK 0001432316 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,078.7512

Underlying: Common Stock · 1,331.8113 shares

Expires not disclosed

F2 · derivative.exercise_price: Each share of Phantom Stock is the economic equivalent of one share of Common Stock. The shares of Phantom Stock become payable in Common Stock, at the election of the reporting person.

F3 · shares: These shares in lieu of board fees are awarded based on an irrevocable deferral election for calendar year 2024 which was made before January 1, 2024.

F2 · derivative.exercise_date: Each share of Phantom Stock is the economic equivalent of one share of Common Stock. The shares of Phantom Stock become payable in Common Stock, at the election of the reporting person.

F2 · derivative.expiration_date: Each share of Phantom Stock is the economic equivalent of one share of Common Stock. The shares of Phantom Stock become payable in Common Stock, at the election of the reporting person.

SEC source: 0001127602-24-029237 · form4.xml · derivative · entry 4

KILPATRICK DEBORAH L. · CIK 0001590950 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 615.6325

Underlying: Common Stock · 132.5469 shares

Expires not disclosed

F5 · derivative.exercise_price: Each share of Phantom Stock is the economic equivalent of one share of Common Stock. The shares of Phantom Stock become payable in Common Stock, at the election of the reporting person.

F5 · derivative.exercise_date: Each share of Phantom Stock is the economic equivalent of one share of Common Stock. The shares of Phantom Stock become payable in Common Stock, at the election of the reporting person.

F5 · derivative.expiration_date: Each share of Phantom Stock is the economic equivalent of one share of Common Stock. The shares of Phantom Stock become payable in Common Stock, at the election of the reporting person.

SEC source: 0001127602-24-029237 · form4.xml · nonDerivative · entry 3

KILPATRICK DEBORAH L. · CIK 0001590950 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Family Trust

Disclosed balance after: 25,271

SEC source: 0001127602-24-029237 · form4.xml · nonDerivative · entry 2

KILPATRICK DEBORAH L. · CIK 0001590950 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,457

F3 · shares: The reporting person gifted these shares to her Family Trust.

F4 · shares: These shares in lieu of board fees are awarded based on an irrevocable deferral election for calendar year 2024 which was made before January 1, 2024.

SEC source: 0001127602-24-029237 · form4.xml · nonDerivative · entry 1

KILPATRICK DEBORAH L. · CIK 0001590950 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,589

F1 · shares: The reporting person elected to receive a portion of her Board fees in common stock based on an irrevocable deferral election for calendar year 2024 which was made before January 1, 2024..

F2 · balance_after: Includes 5,457 restricted stock units that will vest over time.

SEC source: 0000921895-24-002772 · form407785006_11182024.xml · nonDerivative · entry 4

STADIUM CAPITAL MANAGEMENT LLC · CIK 0001105087 · 10% owner

Stadium Capital Management GP, L.P. · CIK 0001580925 · 10% owner

Stadium Special Opportunity I, L.P. · CIK 0001987945 · See Explanation of Responses

STADIUM CAPITAL PARTNERS L P · CIK 0001076204 · See Explanation of Responses

SEAVER ALEXANDER M · CIK 0001473106 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Stadium Capital Partners, L.P.

Disclosed balance after: 2,215,000

F1 · security: This Form 4 is filed jointly by Stadium Capital Management, LLC ("SCM"), Stadium Capital Management GP, L.P. ("SCMGP"), Stadium Special Opportunity I, L.P. ("SSO"), Stadium Capital Partners, L.P. ("SCP") and Alexander M. Seaver (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F6 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $12.0400 to $12.2076 per share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Securities owned directly by SCP. As the general partner of SCP, SCMGP may be deemed to beneficially own the securities owned directly by SCP. SCM, as the investment advisor of SCP and general partner of SCMGP, may be deemed to beneficially own the securities owned directly by SCP. Mr. Seaver, as the manager of SCM, may be deemed to beneficially own the securities owned directly by SCP.

SEC source: 0000921895-24-002772 · form407785006_11182024.xml · nonDerivative · entry 3

STADIUM CAPITAL MANAGEMENT LLC · CIK 0001105087 · 10% owner

Stadium Capital Management GP, L.P. · CIK 0001580925 · 10% owner

Stadium Special Opportunity I, L.P. · CIK 0001987945 · See Explanation of Responses

STADIUM CAPITAL PARTNERS L P · CIK 0001076204 · See Explanation of Responses

SEAVER ALEXANDER M · CIK 0001473106 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Stadium Capital Partners, L.P.

Disclosed balance after: 2,200,000

F1 · security: This Form 4 is filed jointly by Stadium Capital Management, LLC ("SCM"), Stadium Capital Management GP, L.P. ("SCMGP"), Stadium Special Opportunity I, L.P. ("SSO"), Stadium Capital Partners, L.P. ("SCP") and Alexander M. Seaver (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F5 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.4795 to $13.6300 per share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Securities owned directly by SCP. As the general partner of SCP, SCMGP may be deemed to beneficially own the securities owned directly by SCP. SCM, as the investment advisor of SCP and general partner of SCMGP, may be deemed to beneficially own the securities owned directly by SCP. Mr. Seaver, as the manager of SCM, may be deemed to beneficially own the securities owned directly by SCP.

SEC source: 0000921895-24-002772 · form407785006_11182024.xml · nonDerivative · entry 2

STADIUM CAPITAL MANAGEMENT LLC · CIK 0001105087 · 10% owner

Stadium Capital Management GP, L.P. · CIK 0001580925 · 10% owner

Stadium Special Opportunity I, L.P. · CIK 0001987945 · See Explanation of Responses

STADIUM CAPITAL PARTNERS L P · CIK 0001076204 · See Explanation of Responses

SEAVER ALEXANDER M · CIK 0001473106 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Stadium Capital Partners, L.P.

Disclosed balance after: 2,198,200

F1 · security: This Form 4 is filed jointly by Stadium Capital Management, LLC ("SCM"), Stadium Capital Management GP, L.P. ("SCMGP"), Stadium Special Opportunity I, L.P. ("SSO"), Stadium Capital Partners, L.P. ("SCP") and Alexander M. Seaver (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F4 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $12.4354 to $13.4000 per share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Securities owned directly by SCP. As the general partner of SCP, SCMGP may be deemed to beneficially own the securities owned directly by SCP. SCM, as the investment advisor of SCP and general partner of SCMGP, may be deemed to beneficially own the securities owned directly by SCP. Mr. Seaver, as the manager of SCM, may be deemed to beneficially own the securities owned directly by SCP.

SEC source: 0000921895-24-002772 · form407785006_11182024.xml · nonDerivative · entry 1

STADIUM CAPITAL MANAGEMENT LLC · CIK 0001105087 · 10% owner

Stadium Capital Management GP, L.P. · CIK 0001580925 · 10% owner

Stadium Special Opportunity I, L.P. · CIK 0001987945 · See Explanation of Responses

STADIUM CAPITAL PARTNERS L P · CIK 0001076204 · See Explanation of Responses

SEAVER ALEXANDER M · CIK 0001473106 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Stadium Capital Partners, L.P.

Disclosed balance after: 2,188,460

F1 · security: This Form 4 is filed jointly by Stadium Capital Management, LLC ("SCM"), Stadium Capital Management GP, L.P. ("SCMGP"), Stadium Special Opportunity I, L.P. ("SSO"), Stadium Capital Partners, L.P. ("SCP") and Alexander M. Seaver (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F2 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.4921 to $14.3680 per share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Securities owned directly by SCP. As the general partner of SCP, SCMGP may be deemed to beneficially own the securities owned directly by SCP. SCM, as the investment advisor of SCP and general partner of SCMGP, may be deemed to beneficially own the securities owned directly by SCP. Mr. Seaver, as the manager of SCM, may be deemed to beneficially own the securities owned directly by SCP.

SEC source: 0000921895-24-002637 · form407785006_11132024.xml · nonDerivative · entry 3

STADIUM CAPITAL MANAGEMENT LLC · CIK 0001105087 · 10% owner

Stadium Capital Management GP, L.P. · CIK 0001580925 · 10% owner

Stadium Special Opportunity I, L.P. · CIK 0001987945 · See Explanation of Responses

STADIUM CAPITAL PARTNERS L P · CIK 0001076204 · See Explanation of Responses

SEAVER ALEXANDER M · CIK 0001473106 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Stadium Capital Partners, L.P.

Disclosed balance after: 2,171,860

F1 · security: This Form 4 is filed jointly by Stadium Capital Management, LLC ("SCM"), Stadium Capital Management GP, L.P. ("SCMGP"), Stadium Special Opportunity I, L.P. ("SSO"), Stadium Capital Partners, L.P. ("SCP") and Alexander M. Seaver (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F5 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.6700 to $14.0137 per share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Securities owned directly by SCP. As the general partner of SCP, SCMGP may be deemed to beneficially own the securities owned directly by SCP. SCM, as the investment advisor of SCP and general partner of SCMGP, may be deemed to beneficially own the securities owned directly by SCP. Mr. Seaver, as the manager of SCM, may be deemed to beneficially own the securities owned directly by SCP.

SEC source: 0000921895-24-002637 · form407785006_11132024.xml · nonDerivative · entry 2

STADIUM CAPITAL MANAGEMENT LLC · CIK 0001105087 · 10% owner

Stadium Capital Management GP, L.P. · CIK 0001580925 · 10% owner

Stadium Special Opportunity I, L.P. · CIK 0001987945 · See Explanation of Responses

STADIUM CAPITAL PARTNERS L P · CIK 0001076204 · See Explanation of Responses

SEAVER ALEXANDER M · CIK 0001473106 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Stadium Capital Partners, L.P.

Disclosed balance after: 2,149,860

F1 · security: This Form 4 is filed jointly by Stadium Capital Management, LLC ("SCM"), Stadium Capital Management GP, L.P. ("SCMGP"), Stadium Special Opportunity I, L.P. ("SSO"), Stadium Capital Partners, L.P. ("SCP") and Alexander M. Seaver (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F4 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.9979 to $14.8437 per share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Securities owned directly by SCP. As the general partner of SCP, SCMGP may be deemed to beneficially own the securities owned directly by SCP. SCM, as the investment advisor of SCP and general partner of SCMGP, may be deemed to beneficially own the securities owned directly by SCP. Mr. Seaver, as the manager of SCM, may be deemed to beneficially own the securities owned directly by SCP.

SEC source: 0000921895-24-002637 · form407785006_11132024.xml · nonDerivative · entry 1

STADIUM CAPITAL MANAGEMENT LLC · CIK 0001105087 · 10% owner

Stadium Capital Management GP, L.P. · CIK 0001580925 · 10% owner

Stadium Special Opportunity I, L.P. · CIK 0001987945 · See Explanation of Responses

STADIUM CAPITAL PARTNERS L P · CIK 0001076204 · See Explanation of Responses

SEAVER ALEXANDER M · CIK 0001473106 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Stadium Capital Partners, L.P.

Disclosed balance after: 2,120,000

F1 · security: This Form 4 is filed jointly by Stadium Capital Management, LLC ("SCM"), Stadium Capital Management GP, L.P. ("SCMGP"), Stadium Special Opportunity I, L.P. ("SSO"), Stadium Capital Partners, L.P. ("SCP") and Alexander M. Seaver (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F2 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $14.8075 to $14.9783 per share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Securities owned directly by SCP. As the general partner of SCP, SCMGP may be deemed to beneficially own the securities owned directly by SCP. SCM, as the investment advisor of SCP and general partner of SCMGP, may be deemed to beneficially own the securities owned directly by SCP. Mr. Seaver, as the manager of SCM, may be deemed to beneficially own the securities owned directly by SCP.

SEC source: 0000921895-24-002514 · form407785006_11072024.xml · nonDerivative · entry 4

STADIUM CAPITAL MANAGEMENT LLC · CIK 0001105087 · 10% owner

Stadium Capital Management GP, L.P. · CIK 0001580925 · 10% owner

Stadium Special Opportunity I, L.P. · CIK 0001987945 · See Explanation of Responses

STADIUM CAPITAL PARTNERS L P · CIK 0001076204 · See Explanation of Responses

SEAVER ALEXANDER M · CIK 0001473106 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Stadium Capital Partners, L.P.

Disclosed balance after: 2,094,675

F1 · security: This Form 4 is filed jointly by Stadium Capital Management, LLC ("SCM"), Stadium Capital Management GP, L.P. ("SCMGP"), Stadium Special Opportunity I, L.P. ("SSO"), Stadium Capital Partners, L.P. ("SCP") and Alexander M. Seaver (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F3 · ownership.nature: Securities owned directly by SCP. As the general partner of SCP, SCMGP may be deemed to beneficially own the securities owned directly by SCP. SCM, as the investment advisor of SCP and general partner of SCMGP, may be deemed to beneficially own the securities owned directly by SCP. Mr. Seaver, as the manager of SCM, may be deemed to beneficially own the securities owned directly by SCP.

SEC source: 0000921895-24-002514 · form407785006_11072024.xml · nonDerivative · entry 3

STADIUM CAPITAL MANAGEMENT LLC · CIK 0001105087 · 10% owner

Stadium Capital Management GP, L.P. · CIK 0001580925 · 10% owner

Stadium Special Opportunity I, L.P. · CIK 0001987945 · See Explanation of Responses

STADIUM CAPITAL PARTNERS L P · CIK 0001076204 · See Explanation of Responses

SEAVER ALEXANDER M · CIK 0001473106 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Stadium Capital Partners, L.P.

Disclosed balance after: 2,094,375

F1 · security: This Form 4 is filed jointly by Stadium Capital Management, LLC ("SCM"), Stadium Capital Management GP, L.P. ("SCMGP"), Stadium Special Opportunity I, L.P. ("SSO"), Stadium Capital Partners, L.P. ("SCP") and Alexander M. Seaver (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F3 · ownership.nature: Securities owned directly by SCP. As the general partner of SCP, SCMGP may be deemed to beneficially own the securities owned directly by SCP. SCM, as the investment advisor of SCP and general partner of SCMGP, may be deemed to beneficially own the securities owned directly by SCP. Mr. Seaver, as the manager of SCM, may be deemed to beneficially own the securities owned directly by SCP.

SEC source: 0000921895-24-002514 · form407785006_11072024.xml · nonDerivative · entry 2

STADIUM CAPITAL MANAGEMENT LLC · CIK 0001105087 · 10% owner

Stadium Capital Management GP, L.P. · CIK 0001580925 · 10% owner

Stadium Special Opportunity I, L.P. · CIK 0001987945 · See Explanation of Responses

STADIUM CAPITAL PARTNERS L P · CIK 0001076204 · See Explanation of Responses

SEAVER ALEXANDER M · CIK 0001473106 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Stadium Capital Partners, L.P.

Disclosed balance after: 2,094,275

F1 · security: This Form 4 is filed jointly by Stadium Capital Management, LLC ("SCM"), Stadium Capital Management GP, L.P. ("SCMGP"), Stadium Special Opportunity I, L.P. ("SSO"), Stadium Capital Partners, L.P. ("SCP") and Alexander M. Seaver (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F3 · ownership.nature: Securities owned directly by SCP. As the general partner of SCP, SCMGP may be deemed to beneficially own the securities owned directly by SCP. SCM, as the investment advisor of SCP and general partner of SCMGP, may be deemed to beneficially own the securities owned directly by SCP. Mr. Seaver, as the manager of SCM, may be deemed to beneficially own the securities owned directly by SCP.

SEC source: 0000921895-24-002514 · form407785006_11072024.xml · nonDerivative · entry 1

STADIUM CAPITAL MANAGEMENT LLC · CIK 0001105087 · 10% owner

Stadium Capital Management GP, L.P. · CIK 0001580925 · 10% owner

Stadium Special Opportunity I, L.P. · CIK 0001987945 · See Explanation of Responses

STADIUM CAPITAL PARTNERS L P · CIK 0001076204 · See Explanation of Responses

SEAVER ALEXANDER M · CIK 0001473106 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Stadium Capital Partners, L.P.

Disclosed balance after: 2,093,914

F1 · security: This Form 4 is filed jointly by Stadium Capital Management, LLC ("SCM"), Stadium Capital Management GP, L.P. ("SCMGP"), Stadium Special Opportunity I, L.P. ("SSO"), Stadium Capital Partners, L.P. ("SCP") and Alexander M. Seaver (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F2 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.1312 to $14.1075 per share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Securities owned directly by SCP. As the general partner of SCP, SCMGP may be deemed to beneficially own the securities owned directly by SCP. SCM, as the investment advisor of SCP and general partner of SCMGP, may be deemed to beneficially own the securities owned directly by SCP. Mr. Seaver, as the manager of SCM, may be deemed to beneficially own the securities owned directly by SCP.

SEC source: 0000921895-24-002452 · form407785006_11042024.xml · nonDerivative · entry 5

STADIUM CAPITAL MANAGEMENT LLC · CIK 0001105087 · 10% owner

Stadium Capital Management GP, L.P. · CIK 0001580925 · 10% owner

Stadium Special Opportunity I, L.P. · CIK 0001987945 · See Explanation of Responses

STADIUM CAPITAL PARTNERS L P · CIK 0001076204 · See Explanation of Responses

SEAVER ALEXANDER M · CIK 0001473106 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Stadium Capital Partners, L.P.

Disclosed balance after: 2,054,802

F1 · security: This Form 4 is filed jointly by Stadium Capital Management, LLC ("SCM"), Stadium Capital Management GP, L.P. ("SCMGP"), Stadium Special Opportunity I, L.P. ("SSO"), Stadium Capital Partners, L.P. ("SCP") and Alexander M. Seaver (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F7 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.0255 to $13.1606 per share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Securities owned directly by SCP. As the general partner of SCP, SCMGP may be deemed to beneficially own the securities owned directly by SCP. SCM, as the investment advisor of SCP and general partner of SCMGP, may be deemed to beneficially own the securities owned directly by SCP. Mr. Seaver, as the manager of SCM, may be deemed to beneficially own the securities owned directly by SCP.

SEC source: 0000921895-24-002452 · form407785006_11042024.xml · nonDerivative · entry 4

STADIUM CAPITAL MANAGEMENT LLC · CIK 0001105087 · 10% owner

Stadium Capital Management GP, L.P. · CIK 0001580925 · 10% owner

Stadium Special Opportunity I, L.P. · CIK 0001987945 · See Explanation of Responses

STADIUM CAPITAL PARTNERS L P · CIK 0001076204 · See Explanation of Responses

SEAVER ALEXANDER M · CIK 0001473106 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Stadium Capital Partners, L.P.

Disclosed balance after: 2,018,705

F1 · security: This Form 4 is filed jointly by Stadium Capital Management, LLC ("SCM"), Stadium Capital Management GP, L.P. ("SCMGP"), Stadium Special Opportunity I, L.P. ("SSO"), Stadium Capital Partners, L.P. ("SCP") and Alexander M. Seaver (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F6 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.5419 to $13.8721 per share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Securities owned directly by SCP. As the general partner of SCP, SCMGP may be deemed to beneficially own the securities owned directly by SCP. SCM, as the investment advisor of SCP and general partner of SCMGP, may be deemed to beneficially own the securities owned directly by SCP. Mr. Seaver, as the manager of SCM, may be deemed to beneficially own the securities owned directly by SCP.

SEC source: 0000921895-24-002452 · form407785006_11042024.xml · nonDerivative · entry 3

STADIUM CAPITAL MANAGEMENT LLC · CIK 0001105087 · 10% owner

Stadium Capital Management GP, L.P. · CIK 0001580925 · 10% owner

Stadium Special Opportunity I, L.P. · CIK 0001987945 · See Explanation of Responses

STADIUM CAPITAL PARTNERS L P · CIK 0001076204 · See Explanation of Responses

SEAVER ALEXANDER M · CIK 0001473106 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Stadium Capital Partners, L.P.

Disclosed balance after: 2,007,205

F1 · security: This Form 4 is filed jointly by Stadium Capital Management, LLC ("SCM"), Stadium Capital Management GP, L.P. ("SCMGP"), Stadium Special Opportunity I, L.P. ("SSO"), Stadium Capital Partners, L.P. ("SCP") and Alexander M. Seaver (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F5 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $12.5103 to $13.4893 per share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Securities owned directly by SCP. As the general partner of SCP, SCMGP may be deemed to beneficially own the securities owned directly by SCP. SCM, as the investment advisor of SCP and general partner of SCMGP, may be deemed to beneficially own the securities owned directly by SCP. Mr. Seaver, as the manager of SCM, may be deemed to beneficially own the securities owned directly by SCP.

SEC source: 0000921895-24-002452 · form407785006_11042024.xml · nonDerivative · entry 2

STADIUM CAPITAL MANAGEMENT LLC · CIK 0001105087 · 10% owner

Stadium Capital Management GP, L.P. · CIK 0001580925 · 10% owner

Stadium Special Opportunity I, L.P. · CIK 0001987945 · See Explanation of Responses

STADIUM CAPITAL PARTNERS L P · CIK 0001076204 · See Explanation of Responses

SEAVER ALEXANDER M · CIK 0001473106 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Stadium Capital Partners, L.P.

Disclosed balance after: 1,920,000

F1 · security: This Form 4 is filed jointly by Stadium Capital Management, LLC ("SCM"), Stadium Capital Management GP, L.P. ("SCMGP"), Stadium Special Opportunity I, L.P. ("SSO"), Stadium Capital Partners, L.P. ("SCP") and Alexander M. Seaver (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F4 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.6192 to $14.0546 per share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Securities owned directly by SCP. As the general partner of SCP, SCMGP may be deemed to beneficially own the securities owned directly by SCP. SCM, as the investment advisor of SCP and general partner of SCMGP, may be deemed to beneficially own the securities owned directly by SCP. Mr. Seaver, as the manager of SCM, may be deemed to beneficially own the securities owned directly by SCP.

SEC source: 0000921895-24-002452 · form407785006_11042024.xml · nonDerivative · entry 1

STADIUM CAPITAL MANAGEMENT LLC · CIK 0001105087 · 10% owner

Stadium Capital Management GP, L.P. · CIK 0001580925 · 10% owner

Stadium Special Opportunity I, L.P. · CIK 0001987945 · See Explanation of Responses

STADIUM CAPITAL PARTNERS L P · CIK 0001076204 · See Explanation of Responses

SEAVER ALEXANDER M · CIK 0001473106 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Stadium Capital Partners, L.P.

Disclosed balance after: 1,869,089

F1 · security: This Form 4 is filed jointly by Stadium Capital Management, LLC ("SCM"), Stadium Capital Management GP, L.P. ("SCMGP"), Stadium Special Opportunity I, L.P. ("SSO"), Stadium Capital Partners, L.P. ("SCP") and Alexander M. Seaver (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Sleep Number Corporation's (the "Issuer") outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F2 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $12.5000 to $13.2965 per share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Securities owned directly by SCP. As the general partner of SCP, SCMGP may be deemed to beneficially own the securities owned directly by SCP. SCM, as the investment advisor of SCP and general partner of SCMGP, may be deemed to beneficially own the securities owned directly by SCP. Mr. Seaver, as the manager of SCM, may be deemed to beneficially own the securities owned directly by SCP.