Preformed Line Products(PLPC) - 2021 Q4 - Annual Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2021 or ☐ Transition Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 for the Transition Period From ________To _______ Commission file number 0-31164 Preformed Line Products Company (Exact name of registrant as specified in its charter) | Ohio | 34-0676895 | | -- ...