Stantec (STN) names Susan Reisbord as next CEO in planned succession

Rhea-AI Filing Summary

Stantec Inc. reports a planned leadership transition, with Gordon A. Johnston retiring as president and chief executive officer effective October 1, 2026. He will remain on the Board of Directors and become vice chair.

Susan Reisbord, currently chief operating officer for North America, has been appointed as the next president and chief executive officer, also effective October 1, 2026, and will join the Board on that date. She brings more than 30 years of industry experience, including prior service as CEO of Cardno Inc. and leadership of Stantec’s Environmental Services business. The company describes this change as the outcome of a long-standing, Board-led succession plan, emphasizing continuity in its leadership platform and ongoing focus on client relationships, project delivery, and operations.

Insights

Corporate governance analyst

Stantec outlines an orderly, board-led CEO succession with continuity in strategy.

Stantec Inc. details a CEO transition where Gordon A. Johnston retires from the president and chief executive officer role effective October 1, 2026. He will stay on the Board as vice chair, which helps preserve institutional knowledge and continuity at the board level.

Susan Reisbord, now chief operating officer for North America, becomes president and chief executive officer on October 1, 2026 and joins the Board. The report highlights more than 30 years of industry experience, her prior CEO role at Cardno Inc., and progression through key operating roles at Stantec.

The company characterizes this leadership change as the result of a long-standing, Board-led succession plan, with an unchanged focus on client relationships, project delivery, and operations. This framing points to a planned transition rather than an abrupt leadership change, though future performance under the new CEO will depend on execution over time.

Key Figures

CEO retirement effective date: October 1, 2026 New CEO effective date: October 1, 2026 News release date: June 17, 2026 +2 more

5 metrics

CEO retirement effective date October 1, 2026 Gordon A. Johnston retires as president and CEO

New CEO effective date October 1, 2026 Susan Reisbord becomes president and CEO and joins Board

News release date June 17, 2026 Announcement of CEO retirement and appointment

Johnston leadership tenure Eight-and-a-half years Time leading Stantec through transformation and growth

Material change report date June 18, 2026 Date on the material change report

Key Terms

Form 6-K, Foreign Private Issuer, Material Change Report, National Instrument 51-102, +1 more

5 terms

Form 6-K regulatory

"Form 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16"

A Form 6-K is a report that companies listed in certain countries file to provide important updates, such as financial results, corporate changes, or other significant information, to regulators and investors. It functions like an official company update or news release, helping investors stay informed about developments that could affect their investment decisions.

Foreign Private Issuer regulatory

"Report of Foreign Private Issuer Pursuant to Rule 13a-16"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

Material Change Report regulatory

"Exhibit 99.1 FORM 51-102F3 MATERIAL CHANGE REPORT Stantec Inc."

A material change report is a public notice that a company must file and share whenever new information or an event is significant enough to likely influence an investor’s decision. Think of it like an urgent update board that tells shareholders about big shifts—such as major deals, leadership changes, sudden losses, or legal issues—so investors can reassess risk and value with the same facts everyone else has.

National Instrument 51-102 regulatory

"subsection 7.1(2) of National Instrument 51-102."

National Instrument 51-102 is a Canadian securities rule that requires public companies to regularly publish clear, standardized information about their finances and significant developments, such as quarterly and annual reports, management discussion and analysis, and notices of material changes. For investors it acts like a rule forcing businesses to keep their financial “windows” clear and up to date, making it easier to compare companies, spot risks, and make informed decisions.

succession plan financial

"This transition is the result of a long-standing, Board-led succession plan"

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Form 6-K: How Foreign Companies Report to the SEC →

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

Form 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16 of

the Securities Exchange Act of 1934

For the Month of: June, 2026 Commission File Number: 001-32562

STANTEC INC.

(Name of Registrant)

300-10220 103 Avenue NW

Edmonton, Alberta

Canada T5J 0K4

(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    ☒

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.

	STANTEC INC.
Date: June 18, 2026	By:	/s/ Vito Culmone
		Name: Vito Culmone
		Title: Executive Vice President and CFO

EXHIBIT INDEX

Exhibit		Description of Exhibit
99.1		Material Change Report

Exhibit 99.1

FORM 51-102F3

MATERIAL CHANGE REPORT

1. Name and Address of Company:

Stantec Inc. (“Stantec” or the “Company”)

10220-103 Avenue NW, Suite 300

Edmonton, AB T5J 0K4

2. Date of Material Change:

June 17, 2026.

3. News Release:

A news release was issued by Stantec and disseminated through the facilities of a recognized newswire service on June 17, 2026.

4. Summary of Material Change:

Stantec announced the retirement of Gordon A. Johnston as president and chief executive officer effective October 1, 2026, and the appointment of Susan Reisbord as the next president and chief executive officer to take effect on October 1, 2026.

5. Full Description of Material Change:

5.1 Full Description of Material Change:

After leading Stantec for eight-and-a-half years through a period of significant transformation and growth, Gord Johnston will retire as president and executive officer effective October 1, 2026. Mr. Johnston will remain on the Board of Directors of Stantec Inc., taking on the role of vice chair. Susan Reisbord, currently chief operating officer of the North America business, has been appointed as the next president and chief executive officer, such appointment to take effect on October 1, 2026. Ms. Reisbord will also join the Board of Directors of Stantec Inc. effective October 1, 2026. Susan Reisbord brings more than 30 years of experience in the industry. After joining Stantec in 2021 with the acquisition of Cardno, where she was the CEO of Cardno Inc., Ms Reisbord became the business operating unit leader for Stantec’s Environmental Services business line. In 2025, Ms. Reisbord was promoted to chief operating officer for North America, the company’s largest geographic operating unit.

This transition is the result of a long-standing, Board-led succession plan and reflects the consistency of the Company’s leadership platform and Stantec’s unchanged focus on client relationships, project delivery, and operations.

5.2 Disclosure for Restructuring Transactions:

Not applicable.

6. Reliance on subsection 7.1(2) of National Instrument 51-102:

This Report is not being filed on a confidential basis in reliance on subsection 7.1(2) of National Instrument 51-102.

7. Omitted Information:

No information has been omitted on the basis that it is confidential information.

8. Executive Officer:

The following officer of the Corporation is knowledgeable about this material change report and may be contacted by the securities regulatory authorities:

Paul J. D. Alpern

Executive Vice President, General Counsel & Corporate Secretary

10220-103 Avenue NW, Suite 300

Edmonton, AB T5J 0K4

(780) 917-7022

9. Date of Report:

June 18, 2026.

FAQ

What leadership change did Stantec (STN) announce in this filing?

Stantec announced that Gordon A. Johnston will retire as president and chief executive officer effective October 1, 2026. On the same date, Susan Reisbord will become the new president and chief executive officer and join the Board of Directors.

When will Stantec CEO Gordon A. Johnston retire from his role?

Gordon A. Johnston will retire as Stantec’s president and chief executive officer effective October 1, 2026. He will not fully depart the company, as he will remain on the Board of Directors and take on the position of vice chair.

Who is Susan Reisbord, the next CEO of Stantec (STN)?

Susan Reisbord is currently Stantec’s chief operating officer for North America and has over 30 years of industry experience. She previously served as CEO of Cardno Inc. and led Stantec’s Environmental Services business before her promotion to chief operating officer in 2025.

When will Susan Reisbord become CEO and director of Stantec (STN)?

Susan Reisbord’s appointment as president and chief executive officer will take effect on October 1, 2026. On that same date, she will also join the Board of Directors of Stantec Inc., formalizing her leadership and governance roles simultaneously.

Is Stantec’s CEO transition part of a formal succession plan?

Yes. The company states that this leadership transition is the result of a long-standing, Board-led succession plan. It emphasizes that the change reflects consistent leadership, with Stantec maintaining its focus on client relationships, project delivery, and operations after the new CEO takes office.

How long has outgoing CEO Gordon A. Johnston led Stantec (STN)?

The report notes that Gordon A. Johnston has led Stantec for eight-and-a-half years through a period of significant transformation and growth. His retirement from the CEO role on October 1, 2026, follows this extended leadership tenure, after which he will continue serving as vice chair.

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EXHIBIT 99.1 11.6 KB