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HYLN Financials       Clear


HYLN        0001759631    
Filing Date Form Type Description Document
2021-03-30 4 OWNERSHIP DOCUMENT View Document
2021-03-30 4 OWNERSHIP DOCUMENT View Document
2021-03-30 4 OWNERSHIP DOCUMENT View Document
2021-03-30 4 OWNERSHIP DOCUMENT View Document
2021-03-30 4 View Document
2021-03-30 4 View Document
2021-03-30 4 View Document
2021-03-30 4 View Document
2021-03-04 4 View Document
2021-03-02 SC 13G/A SC 13G/A View Document
2021-02-26 424B3 PROSPECTUS SUPPLEMENT View Document
2021-02-26 10-K ANNUAL REPORT View Document
2021-02-24 8-K CURRENT REPORT View Document
2021-02-16 SC 13G View Document
2021-02-16 SC 13G/A SCHEDULE 13G HOLDINGS REPORT AMENDMENT View Document
2021-02-16 SC 13G/A AMENDMENT NO. 2 TO SCHEDULE 13G View Document
2021-02-12 SC 13G/A KARPUS INVESTMENT MGT / HYLIION HOLDINGS (FKA TORTOISE ACQUISITION CORP) - SCHED View Document
2021-02-11 SC 13G/A AMENDMENT NO. 1 TO SCHEDULE 13G View Document
2021-02-11 SC 13G/A HYLIION HOLDINGS CORP. View Document
2021-02-09 3 FORM 3 SUBMISSION View Document
2021-01-27 3 FORM 3 SUBMISSION View Document
2021-01-22 8-K CURRENT REPORT View Document
2021-01-20 4 FORM 4 SUBMISSION View Document
2021-01-12 8-K CURRENT REPORT View Document
2020-12-30 25-NSE View Document
2020-12-29 4 FORM 4 SUBMISSION View Document
2020-12-28 4 FORM 4 SUBMISSION View Document
2020-12-14 S-8 REGISTRATION STATEMENT View Document
2020-12-07 8-K CURRENT REPORT View Document
2020-12-02 3/A FORM 3/A SUBMISSION View Document
2020-11-30 8-K CURRENT REPORT View Document
2020-11-27 EFFECT View Document
2020-11-27 3 FORM 3 SUBMISSION View Document
2020-11-27 424B3 View Document
2020-11-24 CORRESP View Document
2020-11-23 CORRESP View Document
2020-11-23 S-1/A REGISTRATION STATEMENT View Document
2020-11-20 CORRESP View Document
2020-11-13 UPLOAD View Document
2020-11-12 8-K/A AMENDMENT NO.2 TO CURRENT REPORT View Document
2020-11-12 10-Q QUARTERLY REPORT View Document
2020-11-12 8-K CURRENT REPORT View Document
2020-10-29 8-K CURRENT REPORT View Document
2020-10-23 S-1 REGISTRATION STATEMENT View Document
2020-10-21 SC 13G SC 13G View Document
2020-10-13 SC 13D View Document
2020-10-13 SC 13G SC 13G View Document
2020-10-09 SC 13D SC 13D View Document
2020-10-07 3 FORM 3 SUBMISSION View Document
2020-10-07 3 FORM 3 SUBMISSION View Document
2020-10-07 8-K/A AMENDMENT NO. 1 TO FORM 8-K View Document
2020-10-07 8-K CURRENT REPORT View Document
2020-10-05 4 OWNERSHIP DOCUMENT View Document
2020-10-05 4 View Document
2020-10-05 4 OWNERSHIP DOCUMENT View Document
2020-10-05 4 View Document
2020-10-05 4 OWNERSHIP DOCUMENT View Document
2020-10-05 4 OWNERSHIP DOCUMENT View Document
2020-10-05 4 View Document
2020-10-05 4 FORM 4 SUBMISSION View Document
2020-10-05 4 FORM 4 SUBMISSION View Document
2020-10-05 4 FORM 4 SUBMISSION View Document
2020-10-05 4 FORM 4 SUBMISSION View Document
2020-10-05 4 FORM 4 SUBMISSION View Document
2020-10-05 3 FORM 3 SUBMISSION View Document
2020-10-05 3 FORM 3 SUBMISSION View Document
2020-10-05 3 FORM 3 SUBMISSION View Document
2020-10-05 3 FORM 3 SUBMISSION View Document
2020-10-05 3 FORM 3 SUBMISSION View Document
2020-10-05 3 FORM 3 SUBMISSION View Document
2020-10-05 3 FORM 3 SUBMISSION View Document
2020-10-02 25-NSE View Document
2020-10-01 8-K CURRENT REPORT View Document
2020-09-28 DEFA14A DEFINITIVE ADDITIONAL MATERIALS View Document
2020-09-28 DEFA14A DEFINITIVE ADDITIONAL MATERIALS View Document
2020-09-28 8-K CURRENT REPORT View Document
2020-09-28 DEFA14A DEFINITIVE ADDITIONAL MATERIALS View Document
2020-09-25 DEFA14A DEFINITIVE ADDITIONAL MATERIALS View Document
2020-09-24 DEFA14A DEFINITIVE ADDITIONAL MATERIALS View Document
2020-09-24 8-K CURRENT REPORT View Document
2020-09-21 DEFA14A DEFINITIVE ADDITIONAL MATERIALS View Document
2020-09-17 DEFA14A DEFINITIVE ADDITIONAL MATERIALS View Document
2020-09-15 DEFA14A DEFINITIVE ADDITIONAL MATERIALS View Document
2020-09-10 DEFA14A DEFINITIVE ADDITIONAL MATERIALS View Document
2020-09-10 DEFA14A DEFINITIVE ADDITIONAL MATERIALS View Document
2020-09-08 UPLOAD View Document
2020-09-08 DEFM14A View Document
2020-08-31 CORRESP View Document
2020-08-31 PRER14A AMENDMENT NO. 2 TO PRELIMINARY PROXY STATEMENT View Document
2020-08-26 UPLOAD View Document
2020-08-14 PRER14A REVISED PRELIMINARY PROXY STATEMENT View Document
2020-08-13 CORRESP View Document
2020-08-06 UPLOAD View Document
2020-08-06 10-Q QUARTERLY REPORT View Document
2020-07-30 DEFA14A SOLICITING MATERIAL UNDER 240.14A-12 View Document
2020-07-29 DEFA14A SOLICITING MATERIAL UNDER 240.14A-12 View Document
2020-07-21 DEFA14A SOLICITING MATERIAL UNDER 240.14A-12 View Document
2020-07-10 PREM14A FORM PREM14A View Document
2020-07-10 SC 13G/A FORM SC 13G/A View Document
2020-06-25 DEFA14A SOLICITING MATERIAL UNDER 240.14A-12 View Document

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