X0306 4 2018-11-20 false 0000095552 SUPERIOR INDUSTRIES INTERNATIONAL INC SUP 0001281526 RICHSTONE ELLEN B 26600 TELEGRAPH ROAD, SUITE 400 SOUTHFIELD MI 48033 true false false false Common Stock 2018-11-20 4 P false 10000.00 7.91 A 14259.00 D Represents the weighted average purchase price. The shares were purchased at prices ranging from $7.79 to $8.00 per share. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote (1) to this Form 4. /s/ Donald J. Stebbins as Attorney-in-Fact 2018-11-21