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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 Form 10 - K □ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended April 3 , 2021 □ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to HAEMONETICS CORPORATION ( Exact name of registrant as specified in its charter ) Massachusetts ( State or other jurisdiction of incorporation or organization ) 125 Summer Street , Boston , Massachusetts Address of principal executive offices ) ( 781 ) 848-7100 ( Registrant's telephone number , including area code ) Title of Each Class Common stock , $ .01 par Commission file number 001-14041 value per Large Accelerated Filer Non - accelerated filer share 04-2882273 ✓ ( I.R.S. Employer Identification No. ) 02110 ( Zip Code ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol HAE Securities registered pursuant to Section 12 ( g ) of the Act : None Indicate by check mark whether the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes No Name of Exchange on Which Registered New York Stock Exchange Indicate by check mark whether the registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Act . Yes No Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 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 at least 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 a large accelerated filer , an accelerated filer , a non - accelerated filer , smaller reporting company , or an emerging growth company . See the definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company , ” and “ emerging growth company " in Rule 12b - 2 of the Exchange Act . Accelerated filer Smaller reporting company Emerging growth company If an emerging growth company , 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 . 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 audit report . Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes No The aggregate market value of the voting and non - voting common equity held by non - affiliates of the registrant ( assuming for these purposes that all executive officers and directors are " affiliates " of the registrant ) as of September 26 , 2020 , the last business day of the registrant's most recently completed second fiscal quarter was $ 4,379,572,930 ( based on the closing sale price of the registrant's common stock on that date as reported on the New York Stock Exchange ) . The number of shares of $ 0.01 par value common stock outstanding as of May 24 , 2021 was 50,953,411 . Documents Incorporated By Reference Portions of the definitive proxy statement for our Annual Meeting of Shareholders to be held on August 6 , 2021 are incorporated by reference in Part III of this report .