UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 40-F

☐ Registration statement pursuant to Section 12 of the Securities Exchange Act of 1934

or

☒ Annual report pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934

For the fiscal year ended December 31, 2025

Commission file number: 001-14534

PRECISION DRILLING CORPORATION

(Exact name of Registrant as specified in its charter)

800, 525 - 8 Avenue, S.W., Calgary, Alberta, Canada T2P 1G1

(403) 716-4500

(Address and telephone number of Registrant’s principal executive offices)

Precision Drilling (US) Corporation, 10350 Richmond Avenue, Suite 700, Houston, Texas 77042

(713) 435-6100

(Name, address, (including zip code) and telephone number (including area code) of agent for service in the United States)

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

Securities registered or to be registered pursuant to Section 12(g) of the Act: None

Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act: None

Information filed with this Form:

Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of the period covered by the annual report: 12,932,399 Common Shares outstanding as at December 31, 2025.

Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Exchange Act during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

☒ Yes ☐ No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the Registrant was required to submit such files).

☒ Yes ☐ No

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 12b-2 of the Exchange Act.

Emerging growth company ☐

If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, 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. ☐

† The term “new or revised financial accounting standard” refers to any update issued by the Financial Accounting Standards Board to its Accounting Standards Codification after April 5, 2012.

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its report. ☒

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ☐

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officer during the relevant recovery period pursuant to §240.10D-1(b). ☐

The documents (or portions thereof) forming part of this Form 40-F are incorporated by reference into the following registration statements under the Securities Act of 1933, as amended:

DISCLOSURE CONTROLS AND PROCEDURES

For information on disclosure controls and procedures, see “Evaluation of Disclosure Controls and Procedures” in the Annual Information Form for the fiscal year ended December 31, 2025, filed as Exhibit 99.1 (the “Annual Information Form”) and “Disclosure Controls and Procedures” in Management’s Discussion and Analysis of Financial Condition and Results of Operations for the fiscal year ended December 31, 2025, filed as Exhibit 99.2 (“Management’s Discussion and Analysis”).

NOTICES PURSUANT TO REGULATION BTR

None.

INTERNAL CONTROL OVER FINANCIAL REPORTING

For information on internal control over financial reporting, see “Management’s Report to the Shareholders” in the Consolidated Financial Statements for the fiscal year ended December 31, 2025, filed as Exhibit 99.3. See also “Internal Control Over Financial Reporting” in the Management’s Discussion and Analysis.

ATTESTATION REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING

KPMG LLP, the independent registered public accounting firm that audited the Registrant’s Consolidated Financial Statements for the fiscal year ended December 31, 2025, has issued an attestation report on internal control over financial reporting. See “Report of Independent Registered Public Accounting Firm” in the Consolidated Financial Statements for the fiscal year ended December 31, 2025, filed as Exhibit 99.3.

AUDIT COMMITTEE FINANCIAL EXPERT

The board of directors of the Registrant has determined that it has at least one audit committee financial expert serving on its audit committee. Each of William T. Donovan, Lori A. Lancaster, Steven W. Krablin, David W. Williams, and Alice L. Wong has been designated an audit committee financial expert and is independent, as that term is defined by the New York Stock Exchange’s listing standards applicable to the Registrant. See “Audit Committee” and “Audit Committee – Relevant Education and Experience” in the Annual Information Form. The Commission has indicated that the designation of a person as an audit committee financial expert does not make them an “expert” for any purpose, impose any duties, obligations or liability on them that is greater than that imposed on members of the audit committee and board of directors who do not carry this designation or affect the duties, obligations or liability of any other member of the audit committee or the board of directors.

CODE OF ETHICS

The Registrant has adopted the Code of Business Conduct and Ethics (the “Code”) which applies to every director, officer and employee of the Registrant, including the principal executive officer, principal financial officer, principal accounting officer or controller and any person performing similar functions. The Code is available on the Registrant’s website at www.precisiondrilling.com. No waivers have been granted from, and there have been no material amendments to, any provision of the Code during the 2025 fiscal year.

PRINCIPAL ACCOUNTANT FEES AND SERVICES

For information on principal accountant fees and services, see “Audit Committee – Pre-approval Policies and Procedures” and “Audit Committee – Audit Fees” in the Annual Information Form.

OFF-BALANCE SHEET ARRANGEMENTS

The Registrant has no off-balance sheet arrangements that have or are reasonably likely to have a current or future effect on the financial condition, changes in financial condition, revenues or expenses, results of operations, liquidity, capital expenditures or capital resources that is material to investors.

TABULAR DISCLOSURE OF CONTRACTUAL OBLIGATIONS

For information on contractual obligations, see “Financial Condition – Contractual Obligations” in Management’s Discussion and Analysis.

IDENTIFICATION OF THE AUDIT COMMITTEE

The Registrant has a separately-designated standing Audit Committee. The members of the Audit Committee are:

MINE SAFETY DISCLOSURE

Not applicable.

DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS

Not applicable.

NYSE CORPORATE GOVERNANCE

The Registrant’s common shares are listed on the NYSE. A description of the significant ways in which the Registrant’s corporate governance practices differ from those required of domestic companies under NYSE listing standards is provided on the Registrant’s website at www.precisiondrilling.com.

UNDERTAKING

The Registrant undertakes to make available, in person or by telephone, representatives to respond to inquiries made by the staff of the Commission, and to furnish promptly, when requested to do so by the Commission staff, information relating to: the securities registered pursuant to Form 40-F; the securities in relation to which the obligation to file an Annual Report on Form 40-F arises; or transactions in said securities.

SIGNATURES

Pursuant to the requirements of the Exchange Act, the Registrant certifies that it meets all of the requirements for filing on Form 40-F and has duly caused this Annual Report to be signed on its behalf by the undersigned, thereto duly authorized, in the City of Calgary, Province of Alberta, Canada.

EXHIBITS