Dirtt Environmental Solutions Ltd
DRTTF- Exchange
- OTC
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001340476
No open-market purchases or sales by Dirtt Environmental Solutions Ltd insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Holders of 5% or more of DRTTF
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Dirtt Environmental Solutions Ltd, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| 22NW Fund, LP | 13D/A | 30.30%58.0M shares | 0.00 ppfrom 30.30% | Oct 9, 20253 filings | Feb 18, 2026 | SEC |
| Noll Shaun | 13D/A | 13.30%25.4M shares | – | Feb 18, 20261 filing | Feb 18, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
5 Schedule 13D and 13G filings on Dirtt Environmental Solutions Ltd, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Feb 18, 20264:24 PM ET | Noll Shaunand 5 others | 13D/A | 13.30%25.4M shares | – | Feb 13, 2026 | SEC |
| Feb 18, 20264:01 PM ET | 22NW Fund, LPand 6 others | 13D/A | 30.30%58.0M shares | 0.00 ppfrom 30.30% | Feb 13, 2026 | SEC |
| Feb 13, 20264:05 PM ET | MAK Capital Fund LPand 2 others | 13G/A | 4.70%9.08M shares | –Below 5% | Dec 31, 2025 | SEC |
| Dec 12, 20256:28 PM ET | 22NW Fund, LPand 7 others | 13D/A | 30.30%58.0M shares | −0.20 ppfrom 30.50% | Dec 10, 2025 | SEC |
| Oct 9, 20255:19 PM ET | 22NW Fund, LPand 7 others | 13D/A | 30.50%58.0M shares | – | Oct 7, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Dirtt Environmental Solutions Ltd shares.
No Form 144 notices for Dirtt Environmental Solutions Ltd are on file.