RED HAT INC Form DEFA14A: Additional definitive proxy soliciting materials

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

2019-06-25: Form DEFA14A; Description DEFA14A; Document d749698ddefa14a.htm.
2019-01-04: Form DEFA14A; Description DEFA14A; Document d680511ddefa14a.htm.
2018-12-10: Form DEFA14A; Description 8-K; Document d671278d8k.htm.
2018-11-23: Form DEFA14A; Description DEFA14A; Document d653092ddefa14a.htm.

Filed	Form	Description	Document
2019-06-25	DEFA14A	DEFA14A	d749698ddefa14a.htm
2019-01-04	DEFA14A	DEFA14A	d680511ddefa14a.htm
2018-12-10	DEFA14A	8-K	d671278d8k.htm
2018-11-23	DEFA14A	DEFA14A	d653092ddefa14a.htm
2018-11-09	DEFA14A	DEFA14A	d638840ddefa14a.htm
2018-11-07	DEFA14A	DEFA14A	d651781ddefa14a.htm
2018-11-02	DEFA14A	DEFA14A	d648724ddefa14a.htm
2018-11-02	DEFA14A	DEFA14A	d648500ddefa14a.htm
2018-11-01	DEFA14A	DEFA14A	d647998ddefa14a.htm
2018-10-31	DEFA14A	DEFA14A	d645220ddefa14a.htm
2018-10-30	DEFA14A	DEFA14A	d633614ddefa14a.htm
2018-10-30	DEFA14A	DEFA14A	d645077ddefa14a.htm
2018-10-29	DEFA14A	DEFA14A	d646705ddefa14a.htm
2018-10-29	DEFA14A	DEFA14A	d646813ddefa14a.htm
2018-10-29	DEFA14A	DEFA14A	d646383ddefa14a.htm
2018-10-29	DEFA14A	DEFA14A	d644092ddefa14a.htm
2018-10-29	DEFA14A	DEFA14A	d637532ddefa14a.htm
2018-10-29	DEFA14A	FORM 8-K	d640856d8k.htm
2018-10-29	DEFA14A	DEFA14A	d626934ddefa14a.htm
2018-10-29	DEFA14A	DEFA14A	d626930ddefa14a.htm
2018-10-29	DEFA14A	DEFA14A	d626932ddefa14a.htm
2018-10-29	DEFA14A	DEFA14A	d626938ddefa14a.htm
2018-10-29	DEFA14A	DEFA14A	d637947ddefa14a.htm
2018-10-29	DEFA14A	FORM 8-K	d638933d8k.htm
2018-06-25	DEFA14A	DEFA14A	d521559ddefa14a.htm
2017-06-22	DEFA14A	DEFA14A	d296697ddefa14a.htm
2016-08-02	DEFA14A	DEFA14A	d236290ddefa14a.htm
2016-06-23	DEFA14A	DEFA14A	d204070ddefa14a.htm
2016-06-23	DEFA14A	DEFA14A	d204070ddefa14a.htm
2015-06-24	DEFA14A	DEFA14A	d932578ddefa14a.htm
2014-06-26	DEFA14A	DEFA14A	d743610ddefa14a.htm
2014-06-25	DEFA14A	DEFA14A	d743610ddefa14a.htm
2012-06-26	DEFA14A	DEFA 14A	d369390ddefa14a.htm
2011-06-29	DEFA14A	DEFINITIVE ADDITIONAL MATERIALS	ddefa14a.htm
2010-06-30	DEFA14A	DEFINITIVE ADDITIONAL MATERIALS	ddefa14a.htm
2009-07-02	DEFA14A	DEFINITIVE ADDITIONAL MATERIALS	ddefa14a.htm