$ALTG SEC Filings

Filing Filed On
AMENDMENT NO. 6 TO SCHEDULE 13D 23 Mar 2021
8K_WARRANTS_DEF 14C 22 Mar 2021
DEF 14C - WARRANTS 22 Mar 2021
8-K 2020 Y-END ER 18 Mar 2021
10-K 18 Mar 2021
AMENDMENT NO. 5 TO SCHEDULE 13D 11 Mar 2021
PRE 14C 03 Mar 2021
8-K WARRANT EXCHANGE 03 Mar 2021
SC 13G/A 16 Feb 2021
SC 13G 16 Feb 2021
SC 13G/A 16 Feb 2021
AMENDMENT NO. 1 16 Feb 2021
FORM SC 13G/A 08 Feb 2021
SC 13G 21 Jan 2021
8-K VANTAGE ANNOUNCEMENT 05 Jan 2021
NYSE CERTIFICATION 30 Dec 2020
8-K 22 Dec 2020
8-K VANTAGE ANNOUNCEMENT 22 Dec 2020
424B1 21 Dec 2020
8-A12B 18 Dec 2020