X0202 SCHEDULE 13G/A 0002052205 XXXXXXXX LIVE 5 Common Stock 06/30/2026 0000785557 DLH Holdings Corp. 23335Q100 3565 Piedmont Road Building 3, Suite 700 Atlanta GA 30305 Rule 13d-1(c) Mink Brook Partners LP b DE 0.00 2121736.00 0.00 2121736.00 2121736.00 N 14.6 PN The percentage reported in Row 11 is calculated based on 14,493,035 shares of Common Stock outstanding as of 5/6/26, as disclosed in DLH Holdings Corp.'s Form 10-Q. Mink Brook Opportunity Fund LP b DE 0.00 694322.00 0.00 694322.00 694322.00 N 4.8 PN The percentage reported in Row 11 is calculated based on 14,493,035 shares of Common Stock outstanding as of 5/6/26, as disclosed in DLH Holdings Corp.'s Form 10-Q. Mink Brook Capital GP LLC b DE 0.00 2816058.00 0.00 2816058.00 2816058.00 N 19.4 OO The percentage reported in Row 11 is calculated based on 14,493,035 shares of Common Stock outstanding as of 5/6/26, as disclosed in DLH Holdings Corp.'s Form 10-Q. William Mueller b X1 0.00 2816058.00 0.00 2816058.00 2816058.00 N 19.4 IN HC The percentage reported in Row 11 is calculated based on 14,493,035 shares of Common Stock outstanding as of 5/6/26, as disclosed in DLH Holdings Corp.'s Form 10-Q. Mink Brook Asset Management LLC b DE 0.00 2816058.00 0.00 2816058.00 2816058.00 N 19.4 IA The percentage reported in Row 11 is calculated based on 14,493,035 shares of Common Stock outstanding as of 5/6/26, as disclosed in DLH Holdings Corp.'s Form 10-Q. DLH Holdings Corp. 3565 Piedmont Road, Building 3, Suite 700, Atlanta, Georgia, 30305 Mink Brook Partners LP Mink Brook Opportunity Fund LP Mink Brook Capital GP LLC William Mueller Mink Brook Asset Management LLC Mink Brook Partners LP 201 Summa Street West Palm Beach, FL 33405 Mink Brook Opportunity Fund LP 201 Summa Street West Palm Beach, FL 33405 Mink Brook Capital GP LLC 201 Summa Street West Palm Beach, FL 33405 William Mueller c/o Mink Brook Asset Management LLC 201 Summa Street West Palm Beach, FL 33405 Mink Brook Asset Management LLC 201 Summa Street West Palm Beach, FL 33405 Mink Brook Partners LP - Delaware Mink Brook Opportunity Fund LP - Delaware Mink Brook Capital GP LLC - Delaware William Mueller - United States Mink Brook Asset Management LLC - Delaware Y Mink Brook Partners LP - 2,121,736 Mink Brook Opportunity Fund LP - 694,322 Mink Brook Capital GP LLC - 2,816,058 William Mueller - 2,816,058 Mink Brook Asset Management LLC - 2,816,058 Mink Brook Partners LP - 14.6% Mink Brook Opportunity Fund LP - 4.8% Mink Brook Capital GP LLC - 19.4% William Mueller - 19.4% Mink Brook Asset Management LLC - 19.4% Mink Brook Partners LP - 0 Mink Brook Opportunity Fund LP - 0 Mink Brook Capital GP LLC - 0 William Mueller - 0 Mink Brook Asset Management LLC - 0 Mink Brook Partners LP - 2,121,736 Mink Brook Opportunity Fund LP - 694,322 Mink Brook Capital GP LLC - 2,816,058 William Mueller - 2,816,058 Mink Brook Asset Management LLC - 2,816,058 Mink Brook Partners LP - 0 Mink Brook Opportunity Fund LP - 0 Mink Brook Capital GP LLC - 0 William Mueller - 0 Mink Brook Asset Management LLC - 0 Mink Brook Partners LP - 2,121,736 Mink Brook Opportunity Fund LP - 694,322 Mink Brook Capital GP LLC - 2,816,058 William Mueller - 2,816,058 Mink Brook Asset Management LLC - 2,816,058 Y N N All of the securities reported in this Schedule 13G Amendment No. 5 are directly owned by advisory clients of Mink Brook Asset Management LLC. None of those advisory clients, other than Mink Brook Partners LP, may be deemed to beneficially own more than 5% of the Common Stock. Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his, her or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose. The original statement shall be signed by each person on whose behalf the statement is filed or his authorized representative. If the statement is signed on behalf of a person by his authorized representative (other than an executive officer or general partner of this filing person), evidence of the representative's authority to sign on behalf of such person shall be filed with the statement, provided, however, that a power of attorney for this purpose which is already on file with the Commission may be incorporated by reference. The name and any title of each person who signs the statement shall be typed or printed beneath his signature. Attention: Intentional misstatements or omissions of fact constitute Federal criminal violations (See 18 U.S.C. 1001). Mink Brook Partners LP /s/ William Mueller William Mueller/Managing Member of its general partner, Mink Brook Capital GP LLC 08/10/2026 Mink Brook Opportunity Fund LP /s/ William Mueller William Mueller/Managing Member of its general partner, Mink Brook Capital GP LLC 08/10/2026 Mink Brook Capital GP LLC /s/ William Mueller William Mueller/Managing Member 08/10/2026 William Mueller /s/ William Mueller William Mueller 08/10/2026 Mink Brook Asset Management LLC /s/ William Mueller William Mueller/Managing Member 08/10/2026