GGB Form 6-K: Report of foreign private issuer, 2018

GERDAU S.A. Form 6-K: Report of foreign private issuer

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

2018-12-13: Form 6-K; Period of report 2018-12-13; Description 6-K; Document a18-41537_16k.htm.
2018-12-10: Form 6-K; Period of report 2018-12-10; Description 6-K; Document a18-41325_16k.htm.
2018-11-30: Form 6-K; Period of report 2018-11-30; Description 6-K; Document a18-40953_16k.htm.
2018-11-15: Form 6-K; Period of report 2018-11-15; Description 6-K; Document a18-40294_16k.htm.

Filed	Form	Period of report	Description	Document
2018-12-13	6-K	2018-12-13	6-K	a18-41537_16k.htm
2018-12-10	6-K	2018-12-10	6-K	a18-41325_16k.htm
2018-11-30	6-K	2018-11-30	6-K	a18-40953_16k.htm
2018-11-15	6-K	2018-11-15	6-K	a18-40294_16k.htm
2018-11-14	6-K	2018-11-13	6-K	a18-40174_16k.htm
2018-11-07	6-K	2018-11-07	6-K	a18-39599_36k.htm
2018-11-07	6-K	2018-11-07	6-K	a18-39599_26k.htm
2018-11-05	6-K	2018-11-05	6-K	a18-39599_16k.htm
2018-11-01	6-K	2018-11-01	6-K	a18-39390_16k.htm
2018-09-17	6-K	2018-09-17	6-K	a18-31020_16k.htm
2018-08-27	6-K	2018-08-27	6-K	a18-22010_16k.htm
2018-08-09	6-K	2018-08-09	6-K	a18-18401_26k.htm
2018-08-08	6-K	2018-08-08	6-K	a18-18401_16k.htm
2018-08-01	6-K	2018-08-01	6-K	a18-18088_16k.htm
2018-07-02	6-K	2018-07-02	6-K	a18-16324_16k.htm
2018-06-13	6-K	2018-06-13	6-K	a18-15313_16k.htm
2018-05-31	6-K	2018-05-30	6-K	a18-14635_16k.htm
2018-05-30	6-K	2018-05-29	6-K	a18-14494_16k.htm
2018-05-10	6-K	2018-05-10	6-K	a18-13027_26k.htm
2018-05-09	6-K	2018-05-09	6-K	a18-13027_16k.htm
2018-04-24	6-K	2018-04-24	6-K	a18-12103_16k.htm
2018-04-11	6-K	2018-04-11	6-K	a18-9941_16k.htm
2018-04-02	6-K	2018-04-02	6-K	a18-9426_16k.htm
2018-03-01	6-K	2018-03-01	6-K	a18-7294_16k.htm
2018-02-15	6-K	2018-02-15	6-K	a18-6234_16k.htm
2018-01-31	6-K	2018-01-31	6-K	a18-5101_16k.htm
2018-01-24	6-K	2018-01-24	6-K	a18-3727_16k.htm
2018-01-09	6-K	2018-01-09	6-K	a18-2542_16k.htm
2018-01-02	6-K	2018-01-02	6-K	a18-2034_16k.htm