Filed Pursuant to Rule 424(b)(3) and Rule 424(c)
Registration Statement No. 333-286070
December 4, 2025
PROSPECTUS SUPPLEMENT NO. 15
DEVVSTREAM CORP.
UP TO 26,419,091 COMMON SHARES
This prospectus supplement amends the prospectus dated March 25, 2025 (as amended and supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws
of the Province of Alberta, Canada (the “Company”), which forms a part of the Company’s Registration Statement on Form S-1 (No. 333-286070). This prospectus supplement is being filed to update and supplement the information included or incorporated
by reference in the Prospectus with the information contained in the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission (the “SEC”) on December 4, 2025. This prospectus supplement should be read in conjunction
with the Prospectus, which is to be delivered with this prospectus supplement.
Shares of our Common Shares are listed on the Nasdaq Stock Market LLC (“Nasdaq”) under the symbol “DEVS”. On December 3, 2025, the closing price of our Common Shares was $1.90.
Investing in the Company’s Common Shares involves risks. See “Risk Factors” beginning on page 9 of the Prospectus and under similar headings in any amendments or
supplements to the Prospectus.
Neither the SEC nor any other regulatory body has approved or disapproved of these securities or passed upon the adequacy or accuracy of this prospectus. Any
representation to the contrary is a criminal offense.
The date of this Prospectus Supplement No. 15 is December 4, 2025.
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or Section 15(d)
of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): December 4, 2025
DEVVSTREAM CORP.
(Exact name of registrant as specified in its charter)
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Alberta, Canada
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001-40977
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86-2433757 |
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(State or other jurisdiction of incorporation or organization)
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(Commission File Number)
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(I.R.S. Employer Identification No.)
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2108 N St., Suite 4254
Sacramento, California
(Address of principal executive offices)
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95816
(Zip Code)
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(647) 689-6041
(Registrant’s telephone number, including area code)
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the Registrant under any of
the following provisions:
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Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
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Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
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Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
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Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
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Securities registered pursuant to Section 12(b) of the Act:
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Title of each class
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Trading
Symbol(s)
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Name of each exchange on
which registered
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| Common shares |
DEVS |
The Nasdaq Stock Market LLC |
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of
the Securities Exchange Act of 1934.
Emerging growth company ☒
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any
new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
| Item 8.01. |
Other Events.
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On December 4, 2025, DevvStream Corp. (the “Company”) issued a press release announcing that Southern
Energy Renewables Inc. (“Southern”), a U.S.-based producer of low-cost fuels made from biomass, with a flagship Louisiana project that plans to utilize regional wood-waste biomass to deliver green
methanol and carbon-negative sustainable aviation fuel (“SAF”), announced that the Louisiana Community Development Authority (“LCDA”) approved a resolution
authorizing the issuance, subject to further approvals, of up to $402 million of Louisiana Local Government Environmental Facilities and Community Development Authority Revenue Bonds in support of Southern’s planned biomass‑to‑fuel facility
in Louisiana. The Company and Southern previously announced a proposed business combination to form a new U.S.‑domiciled, Nasdaq‑listed company focused on producing low‑cost, carbon‑negative SAF and green methanol using domestic biomass,
integrated carbon capture, and environmental‑asset capabilities.
A copy of the press release is filed as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference, and the
foregoing description of the press release is qualified in its entirety by reference to such exhibit.
| Item 9.01 |
Financial Statements and Exhibits.
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(d) Exhibits:
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Exhibit No.
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Description
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Press Release dated December 4, 2025.
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104
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Cover page Interactive Data File (embedded in the cover page formatted in Inline XBRL)
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SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on
its behalf by the undersigned hereunto duly authorized.
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Dated: December 4, 2025
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DEVVSTREAM CORP.
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By:
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/s/ Sunny Trinh
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Name:
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Sunny Trinh
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Title:
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Chief Executive Officer
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