Quick Takeaways
- 22NW Fund, LP filed SCHEDULE 13D/A for DIRTT ENVIRONMENTAL SOLUTIONS LTD Common Shares, without par value (DRTTF).
- Disclosed ownership: 30%.
- Date of event: 10 Dec 2025.
22NW Fund, LP - 10 Dec 2025 SCHEDULE 13D/A Report for DIRTT ENVIRONMENTAL SOLUTIONS LTD Common Shares, without par value (DRTTF)
- Filing Manager
- 22NW Fund, LP
- Reporting Manager
- English Aron R.
- Symbol
- DRTTF
- Shares outstanding
- 191,547,426 shares
- Disclosed Ownership
- 58,038,870 shares
- Ownership
- 30%
- Form type
- SCHEDULE 13D/A
- Filing time
- 12 Dec 2025, 18:28:46 UTC
- Date of event
- 10 Dec 2025
- Previous filing
- 09 Oct 2025
- Next filing
- 18 Feb 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"22NW Fund, LP disclosed 30% ownership in DIRTT ENVIRONMENTAL SOLUTIONS LTD Common Shares, without par value (DRTTF) on 10 Dec 2025."
What Changed
- Previous schedule filing date: 09 Oct 2025.
- Current filing was accepted on 12 Dec 2025, 18:28.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (8)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| 22NW Fund, LP | 26% | 49,955,045 | 49,955,045 | 0 | /s/ Aron R. English | Aron R. English, Manager of 22NW Fund GP, LLC, its General Partner | 0001640809 |
| 22NW, LP | 26% | 49,955,045 | 49,955,045 | 0 | /s/ Aron R. English | Aron R. English, President and Sole Shareholder of 22NW GP, Inc., its General Partner | 0001694297 |
| 22NW Fund GP, LLC | 26% | 49,955,045 | 49,955,045 | 0 | /s/ Aron R. English | Aron R. English, Manager | 0001770575 |
| 22NW GP, Inc. | 26% | 49,955,045 | 49,955,045 | 0 | /s/ Aron R. English | Aron R. English, President and Sole Shareholder | 0001783663 |
| English Aron R. | 30% | 58,038,870 | 58,038,870 | 0 | /s/ Aron R. English | ARON R. ENGLISH | 0001770436 |
| Hirai-Hadley Bryson | 0% | 2,272 | 2,272 | 0 | /s/ Bryson O. Hirai-Hadley | BRYSON O. HIRAI-HADLEY | 0001888106 |
| Jones Alexander B | 0% | 2,181 | 2,181 | 0 | /s/ Alexander B. Jones | ALEXANDER B. JONES | 0001888602 |
| Zarate Adrian R | 0.01% | 25,875 | 25,875 | 0 | /s/ Adrian R. Zarate | ADRIAN R. ZARATE | 0002076027 |