PLANTRONICS, INC. Form DEFA14A: Additional definitive proxy soliciting materials

Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.

2022-06-03: Form DEFA14A; Description DEFA14A; Document d357886ddefa14a.htm.
2022-05-19: Form DEFA14A; Description DEFA14A; Document d347665ddefa14a.htm.
2022-03-29: Form DEFA14A; Description DEFA14A; Document ny20003617x9_defa14a.htm.
2022-03-29: Form DEFA14A; Description DEFA14A; Document ny20003617x8_defa14a.htm.

Filed	Form	Description	Document
2022-06-03	DEFA14A	DEFA14A	d357886ddefa14a.htm
2022-05-19	DEFA14A	DEFA14A	d347665ddefa14a.htm
2022-03-29	DEFA14A	DEFA14A	ny20003617x9_defa14a.htm
2022-03-29	DEFA14A	DEFA14A	ny20003617x8_defa14a.htm
2022-03-29	DEFA14A	DEFA14A	ny20003617x7_defa14a.htm
2022-03-29	DEFA14A	DEFA14A	ny20003617x6_defa14a.htm
2022-03-29	DEFA14A	DEFA14A	ny20003617x5_defa14a.htm
2022-03-29	DEFA14A	DEFA14A	ny20003617x4_defa14a.htm
2022-03-29	DEFA14A	DEFA14A	ny20003617x3_defa14a.htm
2022-03-28	DEFA14A	DEFA14A	ny20003617x2_defa14a.htm
2021-06-22	DEFA14A	DEFA14A	proxyreportingfy21defa14a.htm
2021-06-14	DEFA14A	DEFA14A	schedulea14afy21.htm
2020-06-16	DEFA14A	DEFA14A	schedulea14afy20.htm
2019-06-03	DEFA14A	DEFA14A	a2019proxysupplement.htm
2019-05-17	DEFA14A	DEFA14A	schedulea14afy19.htm
2018-06-20	DEFA14A	DEFA14A	schedulea14afy18.htm
2017-06-16	DEFA14A	DEFA14A	schedulea14afy17.htm
2016-06-16	DEFA14A	DEFA14A	schedulea14afy16.htm
2015-07-14	DEFA14A	DEFA14A	a2015proxysupplement.htm
2015-06-10	DEFA14A	DEFA14A	schedulea14afy15.htm
2014-06-13	DEFA14A	DEFA14A	schedulea14afy14.htm
2013-06-13	DEFA14A	DEFINITIVE ADDITIONAL MATERIALS	schedule14afy13.htm
2012-06-22	DEFA14A	PROXY CARD AND NOTICE	proxycardandnotice2012.htm
2011-06-22	DEFA14A	PROXY CARD DATED 8/5/2011	proxycardandnotice2011.htm
2010-06-11	DEFA14A	PROXY CARD DATED 7/27/2010	proxy.htm
2009-06-19	DEFA14A	PROXY CARD DATED 7/29/2009	proxycard.htm