Back to tickers

GRANITE REAL ESTATE INVESTMENT TRUST (GRP-UN)

NYSE · CIK 0001564538

Form Report Date Filing Date Description
6-K 2025-12-17 2025-12-17 6-K
6-K 2025-12-12 2025-12-12 6-K
6-K 2025-12-10 2025-12-10 6-K
6-K 2025-11-14 2025-11-14 6-K
6-K 2025-09-30 2025-11-05 6-K
6-K 2025-10-17 2025-10-17 6-K
6-K 2025-09-16 2025-09-16 6-K
6-K 2025-08-18 2025-08-18 6-K
6-K 2025-06-30 2025-08-06 6-K
6-K 2025-07-17 2025-07-17 6-K
6-K 2025-06-17 2025-06-17 6-K
6-K 2025-06-05 2025-06-05 6-K
6-K 2025-05-22 2025-05-22 6-K
6-K 2025-05-16 2025-05-16 6-K
6-K 2025-03-31 2025-05-07 6-K
6-K 2025-04-29 2025-04-29 6-K
6-K 2025-04-17 2025-04-17 6-K
6-K 2025-03-17 2025-03-17 6-K
6-K 2025-03-14 2025-03-14 REPORT OF FOREIGN PRIVATE ISSUER FOR THE MONTH OF MARCH 2025
6-K 2024-12-31 2025-02-26 6-K
6-K 2025-02-14 2025-02-14 6-K
6-K 2025-02-04 2025-02-04 6-K
6-K 2025-01-30 2025-01-30 6-K
6-K 2025-01-17 2025-01-17 6-K
6-K 2024-12-17 2024-12-17 6-K
6-K 2024-11-15 2024-11-15 6-K
6-K 2024-09-30 2024-11-06 6-K
6-K 2024-10-17 2024-10-17 6-K
6-K 2024-10-04 2024-10-04 6-K
6-K 2024-10-02 2024-10-02 6-K
6-K 2024-10-02 2024-10-02 6-K
6-K 2024-10-01 2024-10-01 6-K
6-K 2024-09-19 2024-09-19 6-K
6-K 2024-09-16 2024-09-17 6-K
6-K 2024-08-16 2024-08-16 6-K
6-K 2024-06-30 2024-08-07 6-K
6-K 2024-07-17 2024-07-17 6-K
6-K 2024-06-17 2024-06-17 6-K
6-K 2024-06-10 2024-06-10 6-K
6-K 2024-06-06 2024-06-06 6-K
6-K 2024-05-22 2024-05-22 6-K
6-K 2024-05-17 2024-05-17 6-K
6-K 2024-05-14 2024-05-14 6-K
6-K 2024-03-31 2024-05-08 6-K
6-K 2024-05-01 2024-05-01 6-K
6-K 2024-04-17 2024-04-17 6-K
6-K 2024-04-15 2024-04-15 6-K
6-K 2024-03-15 2024-03-15 6-K
6-K 2024-03-15 2024-03-15 REPORT OF FOREIGN PRIVATE ISSUER
6-K 2023-12-31 2024-02-28 6-K
6-K 2024-02-16 2024-02-16 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2024-01-17 2024-01-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2023-12-18 2023-12-18 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2023-11-17 2023-11-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2023-09-30 2023-11-08 6-K
6-K 2023-10-17 2023-10-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2023-10-12 2023-10-12 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2023-10-10 2023-10-11 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2023-09-18 2023-09-18 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2023-08-17 2023-08-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2023-06-30 2023-08-09 6-K
6-K 2023-07-17 2023-07-18 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2023-06-16 2023-06-16 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2023-06-08 2023-06-09 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2023-05-19 2023-05-19 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2023-05-17 2023-05-18 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2023-03-31 2023-05-10 6-K
6-K 2023-05-03 2023-05-03 6-K
6-K 2023-04-17 2023-04-17 GRANITE REIT INC. 6-K
6-K 2023-03-17 2023-03-20 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2023-03-17 2023-03-17 REPORT OF FOREIGN PRIVATE ISSUER FOR THE MONTH OF MARCH 2023
6-K 2022-12-31 2023-03-08 6-K
6-K 2023-02-16 2023-02-16 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2023-02-01 2023-02-01 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2023-01-17 2023-01-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2022-12-16 2022-12-16 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2022-11-17 2022-11-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2022-09-30 2022-11-09 6-K
6-K 2022-10-17 2022-10-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2022-09-16 2022-09-16 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2022-08-17 2022-08-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2022-06-30 2022-08-10 6-K
6-K 2022-07-18 2022-07-18 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2022-06-17 2022-06-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2022-06-09 2022-06-10 GRANITE REAL ESTATE INVESTMENT TRUST / GRANITE REIT INC. 6-K
6-K 2022-05-19 2022-05-19 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2022-05-17 2022-05-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2022-03-31 2022-05-11 6-K
6-K 2022-05-03 2022-05-03 6-K
6-K 2022-04-18 2022-04-18 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2022-03-18 2022-03-21 REPORT OF FOREIGN ISSUER FOR THE MONTH OF: MARCH, 2022
6-K 2022-03-17 2022-03-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2022-03-09 2022-03-10 6-K
6-K 2022-02-17 2022-02-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2022-01-18 2022-01-18 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2021-12-17 2021-12-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2021-11-17 2021-11-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2021-11-03 2021-11-04 6-K
6-K 2021-11-03 2021-11-03 6-K
6-K 2021-10-18 2021-10-18 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2021-09-17 2021-09-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2021-08-30 2021-08-30 GRANITE REAL ESTATE INVESTMENT TRUST/GRANITE REIT INC. 6-K
6-K 2021-08-25 2021-08-25 GRANITE REAL ESTATE INVESTMENT TRUST FORM 6-K
6-K 2021-08-24 2021-08-24 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2021-08-17 2021-08-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2021-08-04 2021-08-05 6-K
6-K 2021-07-16 2021-07-16 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2021-06-17 2021-06-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2021-06-10 2021-06-10 GRANITE REAL ESTATE INVESTMENT TRUST FORM 6-K
6-K 2021-06-09 2021-06-09 GRANITE REAL ESTATE INVESTMENT TRUST FORM 6-K
6-K 2021-06-02 2021-06-03 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2021-05-19 2021-05-19 GRANITE REAL ESTATE INVESTMENT TRUST FORM 6-K
6-K 2021-05-17 2021-05-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2021-05-05 2021-05-05 6-K
6-K 2021-04-30 2021-04-30 6-K
6-K 2021-04-16 2021-04-16 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2021-03-31 2021-03-31 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2021-03-18 2021-03-18 REPORT OF FOREIGN ISSUER PURSUANT FOR THE MONTH OF MARCH 2021
6-K 2021-03-17 2021-03-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2021-03-03 2021-03-04 6-K
6-K 2021-02-17 2021-02-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2021-01-18 2021-01-19 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-12-18 2020-12-18 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-12-18 2020-12-18 GRANITE REAL ESTATE INVESTMENT TRUST FORM 6-K
6-K 2020-12-17 2020-12-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-12-03 2020-12-04 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-11-24 2020-11-24 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-11-18 2020-11-18 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-11-17 2020-11-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-11-04 2020-11-04 6-K
6-K 2020-10-16 2020-10-16 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-09-17 2020-09-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-08-17 2020-08-18 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-08-11 2020-08-11 6-K
6-K 2020-07-17 2020-07-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-07-09 2020-07-09 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-06-17 2020-06-17 GRANITE REIT INC. 6-K
6-K 2020-06-09 2020-06-09 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-06-04 2020-06-05 GRANITE REIT INC. 6-K
6-K 2020-06-04 2020-06-04 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-06-02 2020-06-03 GRANITE REIT INC. 6-K
6-K 2020-06-02 2020-06-02 GRANITE REIT INC. 6-K
6-K 2020-05-28 2020-05-28 GRANITE REIT INC. 6-K
6-K 2020-05-26 2020-05-27 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-05-19 2020-05-19 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-05-18 2020-05-19 GRANITE REIT INC. 6-K
6-K 2020-05-13 2020-05-14 6-K
6-K 2020-04-29 2020-04-30 6-K
6-K 2020-04-17 2020-04-17 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-04-15 2020-04-16 GRANITE REAL ESTATE INVESTMENT TRUST 6-K
6-K 2020-03-30 2020-03-30 REPORT OF FOREIGN ISSUER PURSUANT FOR THE MONTH OF APRIL, 2019
6-K 2020-03-17 2020-03-17 6-K
6-K 2020-03-04 2020-03-05 6-K
6-K 2020-02-18 2020-02-18 6-K
6-K 2020-01-17 2020-01-17 6-K
6-K 2020-01-15 2020-01-15 6-K
6-K 2019-12-20 2019-12-20 6-K
6-K 2019-12-17 2019-12-17 6-K
6-K 2019-11-18 2019-11-18 6-K
6-K 2019-11-05 2019-11-06 6-K
6-K 2019-10-31 2019-10-31 6-K
6-K 2019-10-23 2019-10-23 6-K
6-K 2019-10-22 2019-10-23 6-K
6-K 2019-10-21 2019-10-22 6-K
6-K 2019-10-17 2019-10-17 6-K
6-K 2019-09-17 2019-09-17 6-K
6-K 2019-08-19 2019-08-19 6-K
6-K 2019-07-31 2019-08-01 6-K
6-K 2019-07-18 2019-07-18 6-K
6-K 2019-07-17 2019-07-17 6-K
6-K 2019-06-17 2019-06-17 6-K
6-K 2019-06-13 2019-06-14 6-K
6-K 2019-06-06 2019-06-06 6-K
6-K 2019-06-03 2019-06-03 6-K
6-K 2019-05-17 2019-05-20 6-K
6-K 2019-05-17 2019-05-17 6-K
6-K 2019-05-14 2019-05-14 6-K
6-K 2019-03-31 2019-05-08 6-K
6-K 2019-04-30 2019-04-30 6-K
6-K 2019-04-17 2019-04-17 6-K
6-K 2019-04-11 2019-04-12 6-K
6-K 2019-04-11 2019-04-11 REPORT OF FOREIGN ISSUER PURSUANT FOR THE MONTH OF APRIL, 2019
6-K 2019-04-09 2019-04-09 6-K
6-K 2019-03-18 2019-03-19 6-K
6-K 2018-12-31 2019-03-07 6-K
6-K 2019-02-15 2019-02-15 6-K
6-K 2019-02-06 2019-02-07 6-K
6-K 2019-01-17 2019-01-17 6-K
6-K 2018-12-19 2018-12-20 6-K
6-K 2018-12-17 2018-12-18 6-K
6-K 2018-12-12 2018-12-12 6-K
6-K 2018-11-30 2018-11-30 6-K
6-K 2018-11-16 2018-11-16 6-K
6-K 2018-09-30 2018-11-07 6-K
6-K 2018-10-17 2018-10-17 6-K
6-K 2018-09-17 2018-09-17 6-K
6-K 2018-08-17 2018-08-17 6-K
6-K 2018-06-30 2018-08-01 6-K
6-K 2018-07-30 2018-07-30 6-K
6-K 2018-07-17 2018-07-17 6-K
6-K 2018-07-03 2018-07-03 6-K
6-K 2018-06-18 2018-06-18 6-K
6-K 2018-06-14 2018-06-15 6-K
6-K 2018-06-04 2018-06-04 6-K
6-K 2018-05-23 2018-05-24 6-K
6-K 2018-05-17 2018-05-18 6-K
6-K 2018-05-17 2018-05-17 6-K
6-K 2018-05-16 2018-05-16 6-K
6-K 2018-03-31 2018-05-14 6-K
6-K 2018-05-10 2018-05-11 FORM 6-K
6-K 2018-04-17 2018-04-17 6-K
6-K 2018-06-14 2018-04-13 REPORT OF FOREIGN ISSUER PURSUANT FOR THE MONTH OF APRIL, 2018
6-K 2018-04-05 2018-04-05 FORM 6-K
6-K 2018-03-16 2018-03-16 FORM 6-K
6-K 2017-12-31 2018-03-02 6-K
6-K 2018-02-16 2018-02-16 FORM 6-K
6-K 2018-02-01 2018-02-02 FORM 6-K
6-K 2018-01-17 2018-01-18 FORM 6-K
6-K 2018-01-17 2018-01-17 FORM 6-K
6-K 2018-01-16 2018-01-16 FORM 6-K
6-K 2017-12-22 2017-12-22 FORM 6-K
6-K 2017-12-18 2017-12-18 FORM 6-K
6-K 2017-11-17 2017-11-17 FORM 6-K
6-K 2017-09-30 2017-11-08 6-K
6-K 2017-10-17 2017-10-17 FORM 6-K
6-K 2017-10-12 2017-10-12 6-K
6-K 2017-09-25 2017-09-25 6-K
6-K 2017-09-18 2017-09-18 FORM 6-K
6-K 2017-09-15 2017-09-15 FORM 6-K
6-K 2017-08-17 2017-08-17 FORM 6-K
6-K 2017-06-30 2017-08-03 6-K
6-K 2017-07-17 2017-07-17 FORM 6-K
6-K 2017-06-16 2017-06-16 FORM 6-K
6-K 2017-06-15 2017-06-15 FORM 6-K
6-K 2017-06-14 2017-06-14 FORM 6-K
6-K 2017-06-08 2017-06-09 FORM 6-K
6-K 2017-06-05 2017-06-05 FORM 6-K
6-K 2017-05-30 2017-05-30 6-K
6-K 2017-05-17 2017-05-17 6-K
6-K 2017-05-16 2017-05-16 6-K
6-K 2017-05-11 2017-05-12 6-K
6-K 2017-03-31 2017-05-10 6-K
6-K 2017-04-17 2017-04-17 6-K
6-K 2017-06-15 2017-04-13 REPORT OF FOREIGN ISSUER PURSUANT FOR THE MONTH OF APRIL, 2017
6-K 2017-03-17 2017-03-17 6-K
6-K 2016-12-31 2017-03-02 6-K
6-K 2017-02-16 2017-02-16 6-K
6-K 2017-01-17 2017-01-17 6-K
6-K 2016-12-16 2016-12-16 6-K
6-K 2016-12-06 2016-12-06 6-K
6-K 2016-11-22 2016-11-22 6-K
6-K 2016-11-17 2016-11-17 6-K
6-K 2016-09-30 2016-11-03 6-K
6-K 2016-10-17 2016-10-17 6-K
6-K 2016-10-03 2016-10-03 6-K
6-K 2016-09-16 2016-09-16 6-K
6-K 2016-08-17 2016-08-17 6-K
6-K 2016-06-30 2016-08-04 6-K
6-K 2016-07-25 2016-07-25 6-K
6-K 2016-07-18 2016-07-18 6-K
6-K 2016-06-17 2016-06-17 6-K
6-K 2016-06-16 2016-06-16 6-K
6-K 2016-05-17 2016-05-17 6-K
6-K 2016-05-16 2016-05-16 6-K
6-K 2016-03-31 2016-05-05 6-K
6-K 2016-04-20 2016-04-20 6-K
6-K 2016-04-18 2016-04-18 6-K
6-K 2016-06-16 2016-04-08 REPORT OF FOREIGN ISSUER PURSUANT FOR THE MONTH OF APRIL, 2016
6-K 2016-03-31 2016-03-31 6-K
6-K 2016-03-17 2016-03-17 6-K
6-K 2015-12-31 2016-03-03 FORM 6-K
6-K 2016-02-17 2016-02-17 6-K
6-K 2016-01-18 2016-01-19 6-K
6-K 2015-12-17 2015-12-17 6-K
6-K 2015-11-17 2015-11-17 6-K
6-K 2015-09-30 2015-11-05 FORM 6-K
6-K 2015-10-16 2015-10-16 6-K
6-K 2015-09-17 2015-09-17 6-K
6-K 2015-09-06 2015-09-08 6-K
6-K 2015-08-17 2015-08-17 6-K
6-K 2015-06-30 2015-08-13 6-K
6-K 2015-07-17 2015-07-17 6-K
6-K 2015-06-17 2015-06-18 6-K
6-K 2015-06-16 2015-06-16 6-K
6-K 2015-06-12 2015-06-12 6-K
6-K 2015-05-15 2015-05-15 6-K
6-K 2015-05-14 2015-05-14 6-K
6-K 2015-03-31 2015-05-07 6-K
6-K 2015-04-17 2015-04-17 6-K
6-K 2015-06-17 2015-04-10 REPORT OF FOREIGN ISSUER FOR THE MONTH OF APRIL, 2015
6-K 2015-02-17 2015-03-17 6-K
6-K 2014-12-31 2015-03-05 FORM 6-K
6-K 2015-02-17 2015-02-18 6-K
6-K 2015-01-16 2015-01-16 6-K
6-K 2014-12-22 2014-12-23 6-K
6-K 2014-12-10 2014-12-10 6-K
6-K 2014-11-17 2014-11-17 6-K
6-K 2014-09-30 2014-11-06 6-K
6-K 2014-10-16 2014-10-16 6-K
6-K 2014-09-17 2014-09-17 6-K
6-K 2014-08-18 2014-08-18 6-K
6-K 2014-06-30 2014-08-07 6-K
6-K 2014-07-30 2014-07-30 6-K
6-K 2014-07-17 2014-07-17 6-K
6-K 2014-07-03 2014-07-03 6-K
6-K 2014-06-26 2014-06-26 6-K
6-K 2014-06-23 2014-06-24 6-K
6-K 2014-06-17 2014-06-17 6-K
6-K 2014-06-12 2014-06-12 6-K
6-K 2014-06-11 2014-06-12 6-K
6-K 2014-05-16 2014-05-16 6-K
6-K 2014-05-14 2014-05-15 6-K
6-K 2014-03-31 2014-05-08 6-K
6-K 2014-04-17 2014-04-17 6-K
6-K 2014-06-11 2014-04-09 REPORT OF FOREIGN ISSUER FOR THE MONTH OF APRIL, 2014
6-K 2014-03-28 2014-03-28 6-K
6-K 2014-03-17 2014-03-17 6-K
6-K 2013-12-31 2014-03-06 FORM 6-K
6-K 2014-02-18 2014-02-18 6-K
6-K 2014-01-30 2014-01-31 6-K
6-K 2014-01-17 2014-01-17 6-K
6-K 2013-12-17 2013-12-17 6-K
6-K 2013-11-18 2013-11-19 6-K
6-K 2013-09-30 2013-11-07 FORM 6-K
6-K 2013-11-01 2013-11-01 6-K
6-K 2013-10-17 2013-10-17 6-K
6-K 2013-09-25 2013-09-26 6-K
6-K 2013-09-17 2013-09-17 6-K
6-K 2013-09-17 2013-09-17 6-K
6-K 2013-08-16 2013-08-16 6-K
6-K 2013-08-12 2013-08-13 6-K
6-K 2013-08-09 2013-08-09 6-K
6-K 2013-06-30 2013-08-08 FORM 6-K
6-K 2013-07-30 2013-07-30 6-K
6-K 2013-07-17 2013-07-17 6-K
6-K 2013-06-17 2013-06-17 6-K
6-K 2013-06-12 2013-06-12 6-K
6-K 2013-05-16 2013-05-17 6-K
6-K 2013-05-16 2013-05-16 6-K
6-K 2013-03-31 2013-05-09 FORM 6-K
6-K 2013-04-18 2013-04-18 6-K
6-K 2013-06-12 2013-04-12 REPORT OF FOREIGN ISSUER FOR THE MONTH OF APRIL, 2013
6-K 2013-03-18 2013-03-18 6-K
6-K 2013-03-15 2013-03-15 6-K
6-K 2012-12-31 2013-03-06 FORM 6-K
6-K 2013-02-14 2013-02-15 6-K
6-K 2013-02-13 2013-02-13 FORM 6-K
6-K 2013-01-17 2013-01-18 6-K
6-K 2013-01-08 2013-01-10 6-K
6-K 2013-01-03 2013-01-08 6-K
6-K 2013-01-04 2013-01-04 6-K