UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of August 2025

Commission file number: 001-42389

BIOHARVEST SCIENCES INC.

(Exact name of Registrant as specified in its charter)

Not applicable

(Translation of Registrant’s name into English)

1140-625 Howe Street, Vancouver, British Columbia V6C 2T6, Canada

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

☐ Form 20-F ☒ Form 40-F

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐

SUBMITTED HEREWITH

Exhibits:

SIGNATURES

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, thereunto duly authorized.

BioHarvest Sciences to Host Second Quarter 2025 Earnings Call on August 11 at 8:00 a.m. Eastern Time

Rehovot, Israel –BioHarvest Sciences Inc. (NASDAQ: BHST) (FSE: 8MV0) (“BioHarvest” or the “Company”), a company pioneering its patented Botanical Synthesis technology platform, today announced that it will release financial results for the second quarter ended June 30, 2025 before market open on Monday, August 11, 2025.

Management will host an investor conference call and webcast at 8:00 a.m. Eastern time on Monday, August 11, 2025 to discuss the Company’s second quarter 2025 financial results, provide a corporate update, and conclude with a question-and-answer session from telephone participants. To participate, please use the following information:

Second Quarter 2025 Results Conference Call

Date: Monday, August 11, 2025

Time: 8:00 a.m. Eastern time

U.S./Canada Dial-in: 1-877-300-8521

International Dial-in: 1-412-317-6026

Conference ID: 0083058

Webcast: BHST Q2 2025 Earnings Conference Call (https://viavid.webcasts.com/starthere.jsp?ei=1716881&tp_key=012ee8f679)

Please dial in at least 10 minutes before the start of the call to ensure timely participation.

A telephone playback of the call will be available through Monday, August 25, 2025. To listen, call 1-844-512-2921 within the United States and Canada or 1-412-317-6671 when calling internationally, using replay pin number 10199237. A webcast replay will also be available at the webcast link above.

About BioHarvest Sciences Inc.

BioHarvest Sciences Inc. (NASDAQ: BHST) (FSE: 8MV) is a leader in Botanical Synthesis, leveraging its patented technology platform to grow plant-based compounds, without the need to grow the underlying plant. BioHarvest is leveraging its botanical synthesis technology to develop the next generation of science-based and clinically proven therapeutic solutions within two major business verticals; as a contract development and production organization (CDMO) on behalf of customers seeking novel plant-based compounds, and as a creator of proprietary nutraceutical health and wellness products, which includes dietary supplements. To learn more, please visit www.bioharvest.com.

Forward-Looking Statements

Information set forth in this news release might include forward-looking statements that are based on management's current estimates, beliefs, intentions, and expectations, and are subject to a number of risks and uncertainties that could cause actual results to differ materially from those described in the forward-looking statements. All forward-looking statements are inherently uncertain and actual results may be affected by a number of material factors beyond our control. Readers should not place undue reliance on forward-looking statements. BHST does not intend to update forward-looking statement disclosures other than through our regular management discussion and analysis disclosures.

BioHarvest Corporate Contact:

Dave Ryan, VP Investor Relations

+1 (604) 622-1186

info@bioharvest.com

Investor Relations Contact:

Lucas A. Zimmerman

Managing Director

MZ Group - MZ North America

+1 (949) 259-4987

BHST@mzgroup.us