LeddarTech Holdings Inc.

Symbol
LDTC, LDTCW on Nasdaq
Business address
4535, Boul. Wilfrid Hamel, Suite 240, Quebec City, Canada (Federal Level), G1P2J7
Fiscal year end
30 September
LeddarTech Holdings Inc. has filed 153 SEC EDGAR filings since 14 Jun 2023

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
25-NSE Open Document Open Filing 22 Aug 2025 333-275381
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 17 Jun 2025 17 Jun 2025 001-41893
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 11 Jun 2025 11 Jun 2025 001-41893
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 09 Jun 2025 09 Jun 2025 001-41893
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 21 May 2025 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 21 May 2025 333-277045
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 21 May 2025 20 May 2025 001-41893
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 14 May 2025 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 14 May 2025 333-277045
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 14 May 2025 14 May 2025 001-41893
SCHEDULE 13G/A Open Document Open Filing 12 May 2025 005-94268
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 01 Apr 2025 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 01 Apr 2025 333-277045
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 01 Apr 2025 01 Apr 2025 001-41893
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 27 Mar 2025 27 Mar 2025 001-41893
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 21 Mar 2025 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 21 Mar 2025 333-277045
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 21 Mar 2025 21 Mar 2025 001-41893
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 07 Mar 2025 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 07 Mar 2025 333-277045
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 07 Mar 2025 07 Mar 2025 001-41893
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 25 Feb 2025 25 Feb 2025 001-41893
F-1/A Open Document | Data Open Filing REGISTRATION STATEMENT 18 Feb 2025 333-281631
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 13 Feb 2025 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 13 Feb 2025 333-277045
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 12 Feb 2025 12 Feb 2025 001-41893
EFFECT Open Document Open Filing 10 Feb 2025 333-279803
EFFECT Open Document Open Filing 10 Feb 2025 333-277045
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 06 Feb 2025 333-277045
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 06 Feb 2025 333-279803
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 06 Feb 2025 05 Feb 2025 001-41893
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 03 Feb 2025 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 03 Feb 2025 333-277045
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 03 Feb 2025 03 Feb 2025 001-41893
POS AM Open Document | Data Open Filing POST-EFFECTIVE AMENDMENT 31 Jan 2025 333-277045
POS AM Open Document | Data Open Filing POST-EFFECTIVE AMENDMENT 31 Jan 2025 333-279803
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 17 Jan 2025 17 Jan 2025 001-41893
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 15 Jan 2025 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 15 Jan 2025 333-277045
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 15 Jan 2025 14 Jan 2025 001-41893
S-8 Open Document Open Filing REGISTRATION STATEMENT 26 Dec 2024 333-284040
POS EX Open Document Open Filing POST-EFFECTIVE AMENDMENT NO. 1 TO FORM F-1 26 Dec 2024 333-277045
POS EX Open Document Open Filing POST-EFFECTIVE AMENDMENT NO. 1 TO FORM F-1 26 Dec 2024 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 26 Dec 2024 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 26 Dec 2024 333-277045
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 26 Dec 2024 333-275381
20-F Open Document | Data Open Filing ANNUAL REPORT 26 Dec 2024 30 Sep 2024 001-41893
SCHEDULE 13G Open Document Open Filing 20 Dec 2024 005-94268
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 18 Dec 2024 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 18 Dec 2024 333-277045
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 18 Dec 2024 333-275381
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 18 Dec 2024 18 Dec 2024 001-41893
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 12 Dec 2024 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 12 Dec 2024 333-277045
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 12 Dec 2024 333-275381
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 12 Dec 2024 12 Dec 2024 001-41893
F-1/A Open Document | Data Open Filing REGISTRATION STATEMENT 12 Dec 2024 333-281631
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 09 Dec 2024 333-275381
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 09 Dec 2024 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 09 Dec 2024 333-277045
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 09 Dec 2024 09 Dec 2024 001-41893
F-1/A Open Document | Data Open Filing REGISTRATION STATEMENT 09 Dec 2024 333-281631
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 26 Nov 2024 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 26 Nov 2024 333-277045
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 26 Nov 2024 333-275381
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 26 Nov 2024 26 Nov 2024 001-41893
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 16 Oct 2024 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 16 Oct 2024 333-277045
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 16 Oct 2024 333-275381
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 16 Oct 2024 16 Oct 2024 001-41893
SC 13D/A Open Document Open Filing AMENDMENT NO. 1 TO SCHEDULE 13D 26 Aug 2024 005-94268
F-1/A Open Document | Data Open Filing REGISTRATION STATEMENT 19 Aug 2024 333-281631
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 19 Aug 2024 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 19 Aug 2024 333-277045
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 19 Aug 2024 333-275381
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 19 Aug 2024 19 Aug 2024 001-41893
F-1 Open Document | Data Open Filing REGISTRATION STATEMENT 19 Aug 2024 333-281631
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 15 Aug 2024 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 15 Aug 2024 333-277045
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 15 Aug 2024 333-275381
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 15 Aug 2024 14 Aug 2024 001-41893
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 06 Aug 2024 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 06 Aug 2024 333-277045
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 06 Aug 2024 333-275381
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 06 Aug 2024 06 Aug 2024 001-41893
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 29 Jul 2024 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 29 Jul 2024 333-277045
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 29 Jul 2024 333-275381
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 29 Jul 2024 29 Jul 2024 001-41893
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 05 Jul 2024 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 05 Jul 2024 333-277045
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 05 Jul 2024 333-275381
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 05 Jul 2024 05 Jul 2024 001-41893
DRS Open Document Open Filing 20 Jun 2024 377-07289
424B3 Open Document Open Filing PROSPECTUS 04 Jun 2024 333-279803
EFFECT Open Document Open Filing 03 Jun 2024 333-279803
UPLOAD Open Document Open Filing 30 May 2024 333-279803
F-1 Open Document | Data Open Filing REGISTRATION STATEMENT 29 May 2024 333-279803
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 15 May 2024 333-277045
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 15 May 2024 333-275381
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 15 May 2024 15 May 2024 001-41893
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 15 May 2024 15 May 2024 001-41893
424B3 Open Document Open Filing PROSPECTUS 09 May 2024 333-277045
EFFECT Open Document Open Filing 08 May 2024 333-277045
CORRESP Open Document Open Filing 07 May 2024
F-1/A Open Document | Data Open Filing REGISTRATION STATEMENT 07 May 2024 333-277045
F-1/A Open Document | Data Open Filing REGISTRATION STATEMENT 02 May 2024 333-277045
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 01 May 2024 01 May 2024 001-41893
SC 13D Open Document Open Filing SC 13D 18 Apr 2024 005-94268
F-1/A Open Document | Data Open Filing REGISTRATION STATEMENT 15 Apr 2024 333-277045
CORRESP Open Document Open Filing 12 Apr 2024
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 12 Apr 2024 333-275381
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 11 Apr 2024 10 Apr 2024 001-41893
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 29 Mar 2024 28 Mar 2024 001-41893
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 21 Mar 2024 21 Mar 2024 001-41893
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 15 Mar 2024 15 Mar 2024 001-41893
UPLOAD Open Document Open Filing 08 Mar 2024 333-277045
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 21 Feb 2024 21 Feb 2024 001-41893
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 15 Feb 2024 333-275381
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 15 Feb 2024 15 Feb 2024 001-41893
F-1 Open Document | Data Open Filing REGISTRATION STATEMENT 13 Feb 2024 333-277045
SC 13G Open Document Open Filing 09 Feb 2024 005-94268
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 06 Feb 2024 333-275381
20-F Open Document | Data Open Filing ANNUAL REPORT 31 Jan 2024 30 Sep 2023 001-41893
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 31 Jan 2024 31 Jan 2024 001-41893
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 30 Jan 2024 29 Jan 2024 001-41893
SC 13D Open Document Open Filing SCHEDULE 13D 03 Jan 2024 005-94268
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 02 Jan 2024 29 Dec 2023 001-41893
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT 29 Dec 2023 333-275381
20-F Open Document | Data Open Filing ANNUAL REPORT 28 Dec 2023 30 Sep 2023 001-41893
CERT Open Document Open Filing 21 Dec 2023 001-41893
8-A12B Open Document Open Filing FOR REGISTRATION OF CERTAIN CLASSES 21 Dec 2023 001-41893
425 Open Document Open Filing FORM 425 05 Dec 2023
EFFECT Open Document Open Filing 04 Dec 2023 333-275381
424B3 Open Document Open Filing PROSPECTUS 04 Dec 2023 333-275381
425 Open Document Open Filing FORM 425 04 Dec 2023
425 Open Document Open Filing CURRENT REPORT 04 Dec 2023 132-02861
CORRESP Open Document Open Filing 01 Dec 2023
F-4/A Open Document Open Filing REGISTRATION STATEMENT 29 Nov 2023 333-275381
F-4/A Open Document Open Filing AMENDMENT NO. 1 TO FORM F-4 27 Nov 2023 333-275381
425 Open Document Open Filing FORM 425 15 Nov 2023
425 Open Document Open Filing CURRENT REPORT 13 Nov 2023 132-02861
F-4 Open Document Open Filing REGISTRATION STATEMENT 08 Nov 2023 333-275381
CORRESP Open Document Open Filing 07 Nov 2023
425 Open Document Open Filing FORM 425 01 Nov 2023
UPLOAD Open Document Open Filing 12 Oct 2023
DRS/A Open Document Open Filing 29 Sep 2023 377-06794
DRSLTR Open Document Open Filing 28 Sep 2023
UPLOAD Open Document Open Filing 29 Aug 2023
DRS Open Document Open Filing 31 Jul 2023 377-06794
425 Open Document Open Filing FORM 425 19 Jul 2023
425 Open Document Open Filing FORM 425 14 Jun 2023 132-02861
425 Open Document Open Filing CURRENT REPORT 14 Jun 2023 132-02861