If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




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SCHEDULE 13D




Comment for Type of Reporting Person:
(1) [Line 2(b)] This Schedule 13D/A is filed jointly by Emerald Green Trust ("Emerald Green"), Sarah Bardo and Shane Semler (together with Ms. Bardo and Emerald Green, the "Reporting Persons"). The Reporting Persons expressly disclaim status as a "group" for purposes of this Schedule 13D/A. (2) [Lines 8, 10 & 11] Consists of 1,161,229 shares of Common Stock held directly by Emerald Green. As co-trustees of Emerald Green, Sarah Bardo and Shane Semler share voting and dispositive power over the 1,161,229 shares of Common Stock held by Emerald Green. (3) [Line 13] Based on approximately 13,658,411 shares of Common Stock outstanding as of June 4, 2026, pro forma the offering described in the Company's Prospectus Supplement (to Prospectus dated June 8, 2023) filed June 5, 2026 (the "Xos Pro Supp").


SCHEDULE 13D




Comment for Type of Reporting Person:
(1) [Line 2(b)] This Schedule 13D/A is filed jointly by the Reporting Persons. The Reporting Persons expressly disclaim status as a "group" for purposes of this Schedule 13D/A. (2) [Lines 8, 10 & 11] Consists of: (a) 1,161,229 shares of Common Stock held by Emerald Green; and (b) 3 shares of Common Stock held by Sarah Bardo's spouse. As co-trustees of Emerald Green, Sarah Bardo and Shane Semler share voting and dispositive power over the 1,161,229 shares of Common Stock held by Emerald Green. Sarah Bardo may be deemed to share voting and dispositive power over shares of Common Stock held by her spouse. (3) [Line 13] Based on approximately 13,658,411 shares of Common Stock outstanding as of June 4, 2026, pro forma the offering described in the Xos Pro Supp.


SCHEDULE 13D




Comment for Type of Reporting Person:
(1) [Line 2(b)] This Schedule 13D/A is filed jointly by the Reporting Persons. The Reporting Persons expressly disclaim status as a "group" for purposes of this Schedule 13D/A. (2) [Lines 7, 9 & 11] Consists of 6,003 shares of Common Stock held directly by Shane Semler. (3) [Lines 8, 10 & 11] Consists of 1,161,229 shares of Common Stock held by Emerald Green. As co-trustees of Emerald Green, Sarah Bardo and Shane Semler share voting and dispositive power over shares of Common Stock held by Emerald Green. (4) [Line 13] Based on approximately 13,658,411 shares of Common Stock outstanding as of June 4, 2026, pro forma the offering described in the Xos Pro Supp.


SCHEDULE 13D


 
Emerald Green Trust
 
Signature:/s/ Sarah Bardo
Name/Title:Sarah Bardo, Trustee
Date:06/16/2026
 
Sarah Bardo
 
Signature:/s/ Sarah Bardo
Name/Title:Sarah Bardo
Date:06/16/2026
 
Shane Semler
 
Signature:/s/ Shane Semler
Name/Title:Shane Semler
Date:06/22/2026