Devon Energy (DVN)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-09-10 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: DEVON ENERGY CORP/DE (DVN) CIK: 0001090012 --- Reporting Owner --- Name: Gaspar Clay M CIK: 0001555889 Role: Director, Officer (PRESIDENT AND CEO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-09-10 | Code: A (Grant or award) Shares: +53,979 | Price: $0.00 Shares Owned After: 615,239 | Ownership: D (Direct) Footnotes: [F1] Reflects restricted stock awarded that vests in three equal installments on the 10th day of September in each of the years 2027, 2028 and 2029. [Transaction #2] Security: Common Stock Date: 2026-09-14 | Code: P (Open market purchase) Shares: +3,913 | Price: $51.08 Total Value: $199,876.04 Shares Owned After: 619,152 | Ownership: D (Direct) Footnotes: [F2] The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $51.07 to $51.09 per share. The reporting person undertakes to provide to Devon Energy Corporation, any security holder of Devon Energy Corporation or staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) [Holding #2] Security: Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: Reflects restricted stock awarded that vests in three equal installments on the 10th day of September in each of the years 2027, 2028 and 2029. F2: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $51.07 to $51.09 per share. The reporting person undertakes to provide to Devon Energy Corporation, any security holder of Devon Energy Corporation or staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price. --- Signature --- /s/ /s/ Edward T. Highberger, Attorney-in-Fact (2026-09-14)