ALH · Alliance Laundry Holdings Inc. · Insider Trading

Represents restricted share unit ("RSU") awards granted on August 31, 2026. The RSUs shall vest in equal installments on each of the first four anniversaries of the Grant Date, subject to continued service on such vesting date. Each RSU represents the contingent right to receive one share of the Issuer's common stock on the vesting date.

This amount represents the $22.7362 sale price per share of common stock, par value $0.01 per share, in a secondary offering of shares, including as a result of the underwriters' exercise of an overallotment option, made pursuant to an underwriting agreement, dated August 18, 2026, which closed on August 20, 2026.

This Form 4 is jointly filed by BDTBH, BDTCP GP II-A, L.P. ("BDTCP GP II-A"), BDTCP GP II-A (DEL), LLC ("BDTCP GP II-A DEL"), BDTCP GP II, Co. ("BDTCP GP II"), BDT Capital Partners, LLC ("BDTCP"), BDTP GP, LLC ("BDTP") and Byron D. Trott. BDTCP wholly owns its shares through the investment fund BDTBH. The managing member of BDTBH is BDTCP GP II-A DEL, of which BDTCP GP II-A is the sole member. The sole member of BDTCP GP II is BDTCP, of which the managing member is BDTP. Byron D. Trott is the sole member of BDTP. Each of BDTCP GP II-A DEL, BDTCP GP II-A, BDTCP GP II, BDTCP, BDTP and Mr. Trott may be deemed to have indirect voting and investment control over the shares held by BDTBH. Voting and investment determinations with respect to the shares held by BDTBH are made by an investment committee of (cont'd in next FN)

(cont'd from previous FN) BDT & MSD Partners, LLC ("BDT & MSD") comprised of Byron D. Trott, Dan Jester, Gregg Lemkau, San Orr, Robert Platek, Amy Ennesser, Genevieve Hovde, Douglas Londal, Robert Verigan, Greg Olafson and Dag Skattum. Accordingly, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by BDTBH. Each of them disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein. The address for BDTBH, BDTCP GP II-A, BDTCP GP II-A DEL, BDTCP GP II, BDTCP, BDTP and Mr. Trott is BDT & MSD, 401 North Michigan Avenue, Suite 3100, Chicago, IL 60611. Each of the reporting persons disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interests therein. (cont'd in next FN)

(cont'd from previous FN) This Form 4 shall not be deemed to be an admission that any reporting person hereunder is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or for any other purpose. Robert L. Verigan is a Partner of BDT & MSD, an affiliate of BDTCP, and is a director of the Issuer. By virtue of his service on the Board of Directors of the issuer as a representative of BDTCP, for purposes of Section 16, the reporting persons may be deemed to be a director by deputization of the Issuer.

Sale of shares pursuant to Rule 10b5-1 plan entered into on 3/16/2026.

The price reported above is the weighted average price. The shares were sold in multiple transactions at prices ranging from $24.10 to $25.05. The reporting person undertakes 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 sold at each separate price within the range set forth in this footnote.

The price reported above is the weighted average price. The shares were sold in multiple transactions at prices ranging from $28.00 to $28.28. The reporting person undertakes 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 sold at each separate price within the range set forth in this footnote.

The stock option was fully vested and exercisable.

The price reported above is the weighted average price. The shares were sold in multiple transactions at prices ranging from $28.00 to $28.16. The reporting person undertakes 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 sold at each separate price within the range set forth in this footnote.

The price reported above is the weighted average price. The shares were sold in multiple transactions at prices ranging from $28.00 to $28.16. The reporting person undertakes 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 sold at each separate price within the range set forth in this footnote.

The price reported above is the weighted average price. The shares were sold in multiple transactions at prices ranging from $28.00 to $28.11. The reporting person undertakes 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 sold at each separate price within the range set forth in this footnote.

The price reported above is the weighted average price. The shares were sold in multiple transactions at prices ranging from $28.00 to $28.16. The reporting person undertakes 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 sold at each separate price within the range set forth in this footnote.

The stock option was fully vested and exercisable.

Sale of shares pursuant to Rule 10b5-1 plan entered into on 3/16/2026.

The price reported above is the weighted average price. The shares were sold in multiple transactions at prices ranging from $26.14 to $27.04. The reporting person undertakes 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 sold at each separate price within the range set forth in this footnote.

Held in a revocable trust, of which the Reporting Person is the trustee, for the benefit of members of her immediate family.

The price reported above is the weighted average price. The shares were sold in multiple transactions at prices ranging from $27.00 to $27.03. The reporting person undertakes 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 sold at each separate price within the range set forth in this footnote.

The stock option was fully vested and exercisable.

Sale of shares pursuant to Rule 10b5-1 plan entered into on 3/16/2026.

The price reported above is the weighted average price. The shares were sold in multiple transactions at prices ranging from $25.09 to $25.81. The reporting person undertakes 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 sold at each separate price within the range set forth in this footnote.

Sale of shares pursuant to Rule 10b5-1 plan entered into on 3/16/2026.

The price reported above is the weighted average price. The shares were sold in multiple transactions at prices ranging from $26.16 to $26.66. The reporting person undertakes 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 sold at each separate price within the range set forth in this footnote.

Held in a revocable trust, of which the Reporting Person is the trustee, for the benefit of members of her immediate family.

The price reported above is the weighted average price. The shares were sold in multiple transactions at prices ranging from $27.00 to $27.13. The reporting person undertakes 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 sold at each separate price within the range set forth in this footnote.

The stock option was fully vested and exercisable.

The stock option was fully vested and exercisable.

The stock option was fully vested and exercisable.

The price reported above is the weighted average price. The shares were sold in multiple transactions at prices ranging from $26.00 to $26.30. The reporting person undertakes 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 sold at each separate price within the range set forth in this footnote.

Sale of shares pursuant to Rule 10b5-1 plan entered into on 3/16/2026.

The price reported above is the weighted average price. The shares were sold in multiple transactions at prices ranging from $25.52 to $25.99. The reporting person undertakes 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 sold at each separate price within the range set forth in this footnote.

Held in a revocable trust, of which the Reporting Person is the trustee, for the benefit of members of her immediate family.

Sale of shares pursuant to Rule 10b5-1 plan entered into on 3/16/2026.

The price reported above is the weighted average price. The shares were sold in multiple transactions at prices ranging from $25.48 to $25.95. The reporting person undertakes 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 sold at each separate price within the range set forth in this footnote.

The restricted share unit ("RSU") awards were granted on June 11, 2026. The RSUs shall vest on the earlier of (i) the one-year anniversary of the Grant Date, (ii) the next-occurring annual meeting of our stockholders and (iii) a Change of Control, subject to continued service on such vesting date. Each RSU represents the contingent right to receive one share of the Issuer's common stock on the vesting date.

The reporting person has reported prior RSU awards in Table II of Form 4. The total reported in Column 5 includes the 6,374 newly awarded RSUs and 7,272 RSUs previously reported in Table II.

The restricted share unit ("RSU") awards were granted on June 11, 2026. The RSUs shall vest on the earlier of (i) the one-year anniversary of the Grant Date, (ii) the next-occurring annual meeting of our stockholders and (iii) a Change of Control, subject to continued service on such vesting date. Each RSU represents the contingent right to receive one share of the Issuer's common stock on the vesting date.

The reporting person has reported prior RSU awards in Table II of Form 4. The total reported in Column 5 includes the 6,374 newly awarded RSUs and 7,272 RSUs previously reported in Table II.

The restricted share unit ("RSU") awards were granted on June 11, 2026. The RSUs shall vest on the earlier of (i) the one-year anniversary of the Grant Date, (ii) the next-occurring annual meeting of our stockholders and (iii) a Change of Control, subject to continued service on such vesting date. Each RSU represents the contingent right to receive one share of the Issuer's common stock on the vesting date.

The reporting person has reported prior RSU awards in Table II of Form 4. The total reported in Column 5 includes the 6,374 newly awarded RSUs, 7,272 RSUs previously reported in Table II and 487,229 shares of common stock in the company.

The restricted share unit ("RSU") awards were granted on June 11, 2026. The RSUs shall vest on the earlier of (i) the one-year anniversary of the Grant Date, (ii) the next-occurring annual meeting of our stockholders and (iii) a Change of Control, subject to continued service on such vesting date. Each RSU represents the contingent right to receive one share of the Issuer's common stock on the vesting date.

The reporting person has reported prior RSU awards in Table II of Form 4. The total reported in Column 5 includes the 6,374 newly awarded RSUs, 7,272 RSUs previously reported in Table II and 166,902 shares of common stock in the company.

The restricted share unit ("RSU") awards were granted on June 11, 2026. The RSUs shall vest on the earlier of (i) the one-year anniversary of the Grant Date, (ii) the next-occurring annual meeting of our stockholders and (iii) a Change of Control, subject to continued service on such vesting date. Each RSU represents the contingent right to receive one share of the Issuer's common stock on the vesting date.

The reporting person has reported prior RSU awards in Table II of Form 4. The total reported in Column 5 includes the 6,374 newly awarded RSUs, 7,272 RSUs previously reported in Table II and 4,545 shares of common stock in the company.

The restricted share unit ("RSU") awards were granted on June 11, 2026. The RSUs shall vest on the earlier of (i) the one-year anniversary of the Grant Date, (ii) the next-occurring annual meeting of our stockholders and (iii) a Change of Control, subject to continued service on such vesting date. Each RSU represents the contingent right to receive one share of the Issuer's common stock on the vesting date.

Represents shares of Common Stock pursuant to an award of RSUs granted to Robert L. Verigan in connection with his service as a director. Mr. Verigan has automatically assigned all rights, title and interest in the RSUs reported herein to BDT Badger Holdings LLC ("BDTBH").

The reporting person has reported prior RSU awards in Table II of Form 4. The total reported in Column 5 includes the 6,374 newly awarded RSUs, 7,272 RSUs previously reported in Table II and 140,751,696 shares of common stock in the company.

This Form 4 is jointly filed by BDTBH, BDTCP GP II-A, L.P. ("BDTCP GP II-A"), BDTCP GP II-A (DEL), LLC ("BDTCP GP II-A DEL"), BDTCP GP II, Co. ("BDTCP GP II"), BDT Capital Partners, LLC ("BDTCP"), BDTP GP, LLC ("BDTP") and Byron D. Trott. BDTCP wholly owns its shares through the investment fund BDTBH. The managing member of BDTBH is BDTCP GP II-A DEL, of which BDTCP GP II-A is the sole member. The sole member of BDTCP GP II is BDTCP, of which the managing member is BDTP. Byron D. Trott is the sole member of BDTP. Each of BDTCP GP II-A DEL, BDTCP GP II-A, BDTCP GP II, BDTCP, BDTP and Mr. Trott may be deemed to have indirect voting and investment control over the shares held by BDTBH. Voting and investment determinations with respect to the shares held by BDTBH are made by an investment committee of (cont'd in next FN)

(cont'd from previous FN) BDT & MSD Partners, LLC ("BDT & MSD") comprised of Byron D. Trott, Dan Jester, Gregg Lemkau, San Orr, Robert Platek, Amy Ennesser, Genevieve Hovde, Douglas Londal, Robert Verigan, Greg Olafson and a rotating non-voting observer. Accordingly, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by BDTBH. Each of them disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein. The address for BDTBH, BDTCP GP II-A DEL, BDTCP GP II-A, BDTCP GP II-A DEL, BDTCP GP II, BDTCP, BDTP and Mr. Trott is BDT & MSD, 401 North Michigan Avenue, Suite 3100, Chicago, IL 60611. Each of the reporting persons disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interests therein. (cont'd in next FN)

(con't from previous FN) This Form 4 shall not be deemed to be an admission that any reporting person hereunder is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or for any other purpose. Robert L. Verigan is a Partner of BDT & MSD, an affiliate of BDTCP, and is a director of the Issuer. By virtue of his service on the Board of Directors of the issuer as a representative of BDTCP, for purposes of Section 16, the reporting persons may be deemed to be a director by deputization of the Issuer.

Represents restricted share unit ("RSU") awards granted on April 16, 2026. The RSUs shall vest in equal installments on each of the first four anniversaries of the Grant Date, subject to continued service on such vesting date. Each RSU represents the contingent right to receive one share of the Issuer's common stock on the vesting date.

Represents restricted share unit ("RSU") awards granted on March 17, 2026. The RSUs shall vest in equal installments on each of the first four anniversaries of the Grant Date, subject to continued service on such vesting date. Each RSU represents the contingent right to receive one share of the Issuer's common stock on the vesting date.

Represents restricted share unit ("RSU") awards granted on March 17, 2026. The RSUs shall vest in equal installments on each of the first four anniversaries of the Grant Date, subject to continued service on such vesting date. Each RSU represents the contingent right to receive one share of the Issuer's common stock on the vesting date.

Represents restricted share unit ("RSU") awards granted on March 17, 2026. The RSUs shall vest in equal installments on each of the first four anniversaries of the Grant Date, subject to continued service on such vesting date. Each RSU represents the contingent right to receive one share of the Issuer's common stock on the vesting date.

Represents restricted share unit ("RSU") awards granted on March 17, 2026. The RSUs shall vest in equal installments on each of the first four anniversaries of the Grant Date, subject to continued service on such vesting date. Each RSU represents the contingent right to receive one share of the Issuer's common stock on the vesting date.

Represents restricted share unit ("RSU") awards granted on March 17, 2026. The RSUs shall vest in equal installments on each of the first four anniversaries of the Grant Date, subject to continued service on such vesting date. Each RSU represents the contingent right to receive one share of the Issuer's common stock on the vesting date.

Represents restricted share unit ("RSU") awards granted on March 17, 2026. The RSUs shall vest in equal installments on each of the first four anniversaries of the Grant Date, subject to continued service on such vesting date. Each RSU represents the contingent right to receive one share of the Issuer's common stock on the vesting date.

Represents restricted share unit ("RSU") awards granted on March 17, 2026. The RSUs shall vest in equal installments on each of the first four anniversaries of the Grant Date, subject to continued service on such vesting date. Each RSU represents the contingent right to receive one share of the Issuer's common stock on the vesting date.

Represents restricted share unit ("RSU") awards granted on March 17, 2026. The RSUs shall vest in equal installments on each of the first four anniversaries of the Grant Date, subject to continued service on such vesting date. Each RSU represents the contingent right to receive one share of the Issuer's common stock on the vesting date.

Represents the number of shares withheld by the Issuer to satisfy the aggregate (i) exercise price and (ii) withholding taxes related to such exercise.

The reported transaction reflects the exercise of stock options granted under an equity incentive plan described in the issuer's registration statement and final prospectus for its initial public offering. Any shares issued upon exercise are subject to the reporting person's lock-up agreement signed in connection with the issuer's initial public offering. The reported transaction was only with the issuer. No public sale was made.

The stock option is fully vested and exercisable.

Represents the number of shares withheld by the Issuer to satisfy the aggregate (i) exercise price and (ii) withholding taxes related to such exercise.

The reported transaction reflects the exercise of stock options granted under an equity incentive plan described in the issuer's registration statement and final prospectus for its initial public offering. Any shares issued upon exercise are subject to the reporting person's lock-up agreement signed in connection with the issuer's initial public offering. The reported transaction was only with the issuer. No public sale was made.

The stock option is fully vested and exercisable.

These stock options were exercised on a net share settlement basis.

These stock options were exercised on a net share settlement basis.