BDT Badger Holdings, LLC

SEC source: 0001628280-26-058640 · wk-form4_1787602551.xml · nonDerivative · entry 1

BDT CAPITAL PARTNERS, LLC · CIK 0001510974 · Director · 10% owner

BDTCP GP II-A, L.P. · CIK 0002085916 · Director · 10% owner

BDTCP GP II, Co. · CIK 0002085917 · Director · 10% owner

BDT Badger Holdings, LLC · CIK 0002014505 · Director · 10% owner

BDTP GP, LLC · CIK 0001540177 · Director · 10% owner

Trott Byron D · CIK 0001472182 · Director · 10% owner

BDTCP GP II-A (DEL), LLC · CIK 0002110501 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 114,832,842

F1 · price: 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.

F2 · ownership.nature: 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)

F3 · ownership.nature: (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)

F4 · ownership.nature: (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.

SEC source: 0001628280-26-042907 · wk-form4_1781297001.xml · nonDerivative · entry 1

BDT CAPITAL PARTNERS, LLC · CIK 0001510974 · Director · 10% owner

BDTCP GP II-A, L.P. · CIK 0002085916 · Director · 10% owner

BDTCP GP II, Co. · CIK 0002085917 · Director · 10% owner

BDT Badger Holdings, LLC · CIK 0002014505 · Director · 10% owner

BDTP GP, LLC · CIK 0001540177 · Director · 10% owner

Trott Byron D · CIK 0001472182 · Director · 10% owner

BDTCP GP II-A (DEL), LLC · CIK 0002110501 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 140,765,342

F1 · shares: 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.

F2 · shares: 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").

F3 · balance_after: 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.

F2 · ownership.direct: 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").

F4 · ownership.nature: 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)

F5 · ownership.nature: (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)

F6 · ownership.nature: (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.

SEC source: 0001628280-25-045000 · wk-form4_1760474125.xml · derivative · entry 2

BDT CAPITAL PARTNERS, LLC · CIK 0001510974 · Director · 10% owner

BDTCP GP II-A, L.P. · CIK 0002085916 · Director · 10% owner

BDTCP GP II, Co. · CIK 0002085917 · Director · 10% owner

BDT Badger Holdings, LLC · CIK 0002014505 · Director · 10% owner

BDTP GP, LLC · CIK 0001540177 · Director · 10% owner

Trott Byron D · CIK 0001472182 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,272

Underlying: Common Stock · 7,272 shares

Expires not disclosed

F4 · derivative.exercise_price: The restricted share unit ("RSU") awards were granted on October 10, 2025. The RSUs shall vest on the earlier of (i) the one-year anniversary of the Grant Date and (ii) 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.

F4 · derivative.exercise_date: The restricted share unit ("RSU") awards were granted on October 10, 2025. The RSUs shall vest on the earlier of (i) the one-year anniversary of the Grant Date and (ii) 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.

F4 · derivative.expiration_date: The restricted share unit ("RSU") awards were granted on October 10, 2025. The RSUs shall vest on the earlier of (i) the one-year anniversary of the Grant Date and (ii) 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.

F5 · ownership.direct: 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").

SEC source: 0001628280-25-045000 · wk-form4_1760474125.xml · nonDerivative · entry 1

BDT CAPITAL PARTNERS, LLC · CIK 0001510974 · Director · 10% owner

BDTCP GP II-A, L.P. · CIK 0002085916 · Director · 10% owner

BDTCP GP II, Co. · CIK 0002085917 · Director · 10% owner

BDT Badger Holdings, LLC · CIK 0002014505 · Director · 10% owner

BDTP GP, LLC · CIK 0001540177 · Director · 10% owner

Trott Byron D · CIK 0001472182 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 140,751,696

F1 · ownership.nature: This Form 4 is jointly filed by BDTBH, BDTCP GP II-A, L.P. ("BDTCP GP II-A"), 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, of which its general partner is BDTCP GP II. 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, 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 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. (cont'd in fn 2)

F2 · ownership.nature: (cont'd from fn 1) 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, 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. 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. (cont'd in fn 3)

F3 · ownership.nature: (con't from fn 2) 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.