Form 8-K

8-K — FLEXIBLE SOLUTIONS INTERNATIONAL INC

Accession: 0001493152-26-040991

Filed: 2026-09-01

Period: 2026-08-31

CIK: 0001069394

SIC: 2890 (MISCELLANEOUS CHEMICAL PRODUCTS)

Item: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Item: Other Events

Item: Financial Statements and Exhibits

Documents

8-K — form8-k.htm (Primary)

EX-99.1 (ex99-1.htm)

GRAPHIC (ex99-1_001.jpg)

XML — IDEA: XBRL DOCUMENT (R1.htm)

8-K

8-K (Primary)

Filename: form8-k.htm · Sequence: 1

false

0001069394

2026-08-31

iso4217:USD

xbrli:shares

iso4217:USD

xbrli:shares

UNITED

STATES

SECURITIES

AND EXCHANGE COMMISSION

WASHINGTON,

D.C. 20549

FORM

8-K

CURRENT

REPORT

Pursuant

to Section 13 or 15(d) of the

Securities

Exchange Act of 1934

Date

of Report (date of earliest event reported): August 31, 2026

FLEXIBLE

SOLUTIONS INTERNATIONAL INC.

(Exact

name of Registrant as specified in its charter)

Alberta A0

001-31540

163 0889 71-1630889

(State

or other jurisdiction

incorporation)

(Commission

File No.)

(Employer

Identification

No.)

6001

54 Ave.

Taber,

Alberta, Canada T1G

1X4

(Address

of principal executive offices, including Zip Code)

Registrant’s

telephone number, including area code: (250) 477-9969

N/A

(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 obligations of the registrant under

any of the following provisions:

☐

Written communications pursuant

to Rule 425 under the Securities Act (17 CFR 230.425)

☐

Soliciting material pursuant

to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐

Pre-commencement communications

pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐

Pre-commencement communications

pursuant to Rule 13e-14(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities

registered pursuant to Section 12(b) of the Act:

Title

of each class

Trading

Symbol

Name

of exchange on which registered

Common Stock

FSI

NYSE American

Indicate

by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§203.405

of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§204.12b-2 of this chapter.

Emerging

growth company ☐

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 5.02. Departure

of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers;

Compensatory Arrangements of Certain Officers.

August 31, 2026:

John

Bientjes resigned as a director of the Company and as the chairman of the Company’s audit committee.

Dr.

Kim Reid was appointed a director of the Company and as a member of the Company’s audit committee.

Davis

Fynn was appointed as a chairman of the audit committee.

The

resignation of Mr. Bientjes was not due to any disagreement on any matter relating to the Company’s operations, policies, or practices.

Item 8.01 Other

Events

August 31, 2026, the Company issued a press release announcing the resignation of Mr. Bientjes as a director and the appointment of Mr.

Reid as a director.

Item 9.01

Exhibits

Exhibit

Number

Description of Document

99.1

August 31, 2026 Press Release

104

Cover

Page Interactive Data File (embedded within the Inline XBRL document)

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 hereunto duly authorized.

Date:

September 1, 2026

FLEXIBLE SOLUTIONS INTERNATIONAL INC.

By:

/s/ Daniel B. O’Brien

Daniel B. O’Brien, President and Chief Executive

Officer

EX-99.1

Filename: ex99-1.htm · Sequence: 2

EXHIBIT

99.1

NEWS

RELEASE

August

31, 2026

FSI announces the appointment of Dr. Kim Reid as director

TABER,

ALBERTA, August 31, 2026– FLEXIBLE SOLUTIONS INTERNATIONAL, INC. (NYSE-AMERICAN: FSI), is the developer and manufacturer of

biodegradable polymers for oil extraction, detergent ingredients and water treatment as well as crop nutrient availability chemistry.

Flexible Solutions also manufactures biodegradable and environmentally safe water and energy conservation technologies. In addition,

FSI is increasing its presense in the food and nutrition supplement manufacturing markets. Today the Company wishes to announce the appointment

of Dr. Kim Reid as director and audit committee member.

“The

Board of Directors wishes to announce the resignation of Director John Bientjes after nearly thirty years of service. We are sad to lose

his official advice but, John will remain as a friend and confidant of the Company. Mr. Bientjes also served as Audit Committee Chair;

Mr. David Fynn, who has been on the Audit Committee for many years, has accepted the Audit Committee Chair position.

are also pleased to announce the appointment of Dr. Kim Reid as Director and Audit Committee member, to serve until the next Annual Meeting.

Dr. Reid is a process development scientist with a background in bio-manufacturing, molecular biology, health research, and operational

leadership. She is currently a Postdoctoral Fellow in the John C. Bell Laboratory at the Ottawa Hospital Research Institute, where she

leads a technology transfer team to bring mRNA-LNP cancer-vaccine production from academia into scaled GMP bio-manufacturing. She has

experience in upstream and downstream process development, assay development, quality control and assurance, GMP clean-room procedures,

bioreactors, filtration, chromatography and fill-and-finish. She holds a PhD in Biology from the University of Ottawa, an MSc in Experimental

Pathology and Laboratory Medicine from UBC, an Advanced Biotechnology Diploma from Algonquin College, a BSc in Biology, and a combined

BSc in Physics and Physical Oceanography. She has completed specialized training in GMP and mRNA/mRNA-LNP biomanufacturing.

Kim’s

research has been published in peer-reviewed journals including Scientific Reports, Journal of Biological Chemistry, and Endocrinology,

and her work as a freelance systematic reviewer has involved leading multidisciplinary teams in the examination of clinical and health-economics

evidence for international clients. Her current professional engagement includes founding and leading the Expert Talk Series for the

Society for RNA Therapeutics. Early in her career, Kim served with the Royal Canadian Air Force as an officer and fighter pilot, flying

the CT-114 Tutor, CF-5 Freedom Fighter and CF-18 Hornet with 441 Tactical Fighter Squadron. She was the third woman to fly fighter aircraft

in Canada and the first woman to become operationally qualified for both NORAD and NATO combat missions. Her experience will allow her

to contribute to scientific and board discussions, particularly where technology, innovation, risk, regulated environments, evidence-based

decision-making and organizational leadership intersect.

are excited to welcome Dr. Reid and feel sure that she will add depth and new skills to the Board.

Once

again, we would like to thank John personally for all his years of service and friendship.”

About

Flexible Solutions International

Flexible

Solutions International, Inc. (www.flexiblesolutions.com), based in Taber, Alberta, is an environmental technology company. The

Company’s NanoChem Solutions Inc. subsidiary specializes in biodegradable, water-soluble products utilizing thermal polyaspartate

(TPA) biopolymers. TPA beta-proteins are manufactured from the common biological amino acid, L-aspartic and have wide usage including

scale inhibitors, detergent ingredients, water treatment and crop enhancement. Along with TPA, this division started producing other

crop enhancement products as well. In 2022, the Company entered the food and nutrition markets by obtaining FDA food grade approval for

the Peru IL plant. The other divisions manufacture energy and water conservation products for drinking water, agriculture, industrial

markets and swimming pools throughout the world.

Safe

Harbor Provision

The

Private Securities Litigation Reform Act of 1995 provides a “Safe Harbor” for forward-looking statements. Certain of the

statements contained herein, which are not historical facts, are forward looking statement with respect to events, the occurrence of

which involve risks and uncertainties. These forward-looking statements may be impacted, either positively or negatively, by various

factors. Information concerning potential factors that could affect the company is detailed from time to time in the company’s

reports filed with the Securities and Exchange Commission.

Flexible

Solutions International

6001

54th Ave, Taber, Alberta, CANADA T1G 1X4

Company

Contacts

Jason

Bloom

Toll

Free: 800.661.3560

Fax:

403.223.2905

Email:

info@flexiblesolutions.com

find out more information about Flexible Solutions and our products please visit www.flexiblesolutions.com

you have received this news release by mistake or if you would like to be removed from our update list please reply to: info@flexiblesolutions.com

GRAPHIC

Filename: ex99-1_001.jpg · Sequence: 3

Binary file (6322 bytes)

Download ex99-1_001.jpg

XML — IDEA: XBRL DOCUMENT

XML

Filename: R1.htm · Sequence: 8

v3.26.1

Cover

Aug. 31, 2026

Cover [Abstract]

Document Type

8-K

Amendment Flag

false

Document Period End Date

Aug. 31, 2026

Entity File Number

001-31540

Entity Registrant Name

FLEXIBLE

SOLUTIONS INTERNATIONAL INC.

Entity Central Index Key

0001069394

Entity Tax Identification Number

71-1630889

Entity Incorporation, State or Country Code

Entity Address, Address Line One

6001

54 Ave.

Entity Address, City or Town

Taber,

Entity Address, State or Province

Entity Address, Country

Entity Address, Postal Zip Code

T1G

1X4

City Area Code

(250)

Local Phone Number

477-9969

Written Communications

false

Soliciting Material

false

Pre-commencement Tender Offer

false

Pre-commencement Issuer Tender Offer

false

Title of 12(b) Security

Common Stock

Trading Symbol

FSI

Security Exchange Name

NYSEAMER

Entity Emerging Growth Company

false

- Definition

Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.

+ References

No definition available.

+ Details

Name:

dei_AmendmentFlag

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Area code of city

+ References

No definition available.

+ Details

Name:

dei_CityAreaCode

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Cover page.

+ References

No definition available.

+ Details

Name:

dei_CoverAbstract

Namespace Prefix:

dei_

Data Type:

xbrli:stringItemType

Balance Type:

Period Type:

duration

- Definition

For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

+ References

No definition available.

+ Details

Name:

dei_DocumentPeriodEndDate

Namespace Prefix:

dei_

Data Type:

xbrli:dateItemType

Balance Type:

Period Type:

duration

- Definition

The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

+ References

No definition available.

+ Details

Name:

dei_DocumentType

Namespace Prefix:

dei_

Data Type:

dei:submissionTypeItemType

Balance Type:

Period Type:

duration

- Definition

Address Line 1 such as Attn, Building Name, Street Name

+ References

No definition available.

+ Details

Name:

dei_EntityAddressAddressLine1

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Name of the City or Town

+ References

No definition available.

+ Details

Name:

dei_EntityAddressCityOrTown

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

ISO 3166-1 alpha-2 country code.

+ References

No definition available.

+ Details

Name:

dei_EntityAddressCountry

Namespace Prefix:

dei_

Data Type:

dei:countryCodeItemType

Balance Type:

Period Type:

duration

- Definition

Code for the postal or zip code

+ References

No definition available.

+ Details

Name:

dei_EntityAddressPostalZipCode

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Name of the state or province.

+ References

No definition available.

+ Details

Name:

dei_EntityAddressStateOrProvince

Namespace Prefix:

dei_

Data Type:

dei:stateOrProvinceItemType

Balance Type:

Period Type:

duration

- Definition

A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityCentralIndexKey

Namespace Prefix:

dei_

Data Type:

dei:centralIndexKeyItemType

Balance Type:

Period Type:

duration

- Definition

Indicate if registrant meets the emerging growth company criteria.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityEmergingGrowthCompany

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

+ References

No definition available.

+ Details

Name:

dei_EntityFileNumber

Namespace Prefix:

dei_

Data Type:

dei:fileNumberItemType

Balance Type:

Period Type:

duration

- Definition

Two-character EDGAR code representing the state or country of incorporation.

+ References

No definition available.

+ Details

Name:

dei_EntityIncorporationStateCountryCode

Namespace Prefix:

dei_

Data Type:

dei:edgarStateCountryItemType

Balance Type:

Period Type:

duration

- Definition

The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityRegistrantName

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityTaxIdentificationNumber

Namespace Prefix:

dei_

Data Type:

dei:employerIdItemType

Balance Type:

Period Type:

duration

- Definition

Local phone number for entity.

+ References

No definition available.

+ Details

Name:

dei_LocalPhoneNumber

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 13e

-Subsection 4c

+ Details

Name:

dei_PreCommencementIssuerTenderOffer

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14d

-Subsection 2b

+ Details

Name:

dei_PreCommencementTenderOffer

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Title of a 12(b) registered security.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b

+ Details

Name:

dei_Security12bTitle

Namespace Prefix:

dei_

Data Type:

dei:securityTitleItemType

Balance Type:

Period Type:

duration

- Definition

Name of the Exchange on which a security is registered.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection d1-1

+ Details

Name:

dei_SecurityExchangeName

Namespace Prefix:

dei_

Data Type:

dei:edgarExchangeCodeItemType

Balance Type:

Period Type:

duration

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14a

-Subsection 12

+ Details

Name:

dei_SolicitingMaterial

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Trading symbol of an instrument as listed on an exchange.

+ References

No definition available.

+ Details

Name:

dei_TradingSymbol

Namespace Prefix:

dei_

Data Type:

dei:tradingSymbolItemType

Balance Type:

Period Type:

duration

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Securities Act

-Number 230

-Section 425

+ Details

Name:

dei_WrittenCommunications

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration