Dirtt Environmental Solutions (DRTTF)
Dirtt Environmental Solutions on one page: short interest, fails to deliver, large holders, earnings dates and insider trades. Listed on OTC, classified by the SEC as services-prepackaged software.
157K
Short interest
settlement 2026-10-15
2.2
Days to cover
+0.2 days vs prior
440
Fails to deliver
settlement 2026-10-14
Thu 5 Nov
Next earnings
estimated date
$0
Insider flow, 90 days
0 buys, 0 sells
As of 2026-10-15.
Short interest
FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSONAs of 15 October 2026, short interest in DRTTF is 157,104 shares, down 97,150 shares over the last month. Over the last 48 readings it ranged from 155,264 shares (29 May 2026) to 298,226 shares (14 March 2025). The latest reading sits at the bottom of that range. At the reported average volume of 70K shares a day that is 2.2 days to cover.
Embed this chart.The embed keeps its attribution line.
<iframe src="https://xoomar.com/embed/stocks/drttf" width="100%" height="440" style="border:0;max-width:100%" loading="lazy" title="XOOMAR chart"></iframe>
| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 157,104 | -35.2% | 70,447 | 2.23 |
| 2026-09-30 | 242,431 | -4.7% | 118,471 | 2.05 |
| 2026-09-15 | 254,254 | +1.3% | 41,379 | 6.14 |
| 2026-08-31 | 250,920 | -5.9% | 97,502 | 2.57 |
| 2026-08-14 | 266,563 | +13.7% | 51,528 | 5.17 |
| 2026-07-31 | 234,380 | +17.2% | 149,527 | 1.57 |
| 2026-07-15 | 200,017 | +5.6% | 122,220 | 1.64 |
| 2026-06-30 | 189,405 | +20.4% | 49,816 | 3.80 |
| 2026-06-15 | 157,336 | +1.3% | 47,535 | 3.31 |
| 2026-05-29 | 155,264 | -6.5% | 56,910 | 2.73 |
| 2026-05-15 | 165,982 | -8.5% | 45,682 | 3.63 |
| 2026-04-30 | 181,449 | +5.5% | 73,175 | 2.48 |
| 2026-04-15 | 172,051 | -2.3% | 32,974 | 5.22 |
| 2026-03-31 | 176,051 | -4.9% | 61,191 | 2.88 |
| 2026-03-13 | 185,143 | +5.2% | 249,209 | 1.00 |
| 2026-02-27 | 176,077 | -2.1% | 125,590 | 1.40 |
| 2026-02-13 | 179,816 | +1.0% | 67,073 | 2.68 |
| 2026-01-30 | 178,077 | -8.9% | 164,105 | 1.09 |
| 2026-01-15 | 195,555 | -1.3% | 117,311 | 1.67 |
| 2025-12-31 | 198,077 | -4.4% | 99,417 | 1.99 |
| 2025-12-15 | 207,226 | -5.2% | 273,185 | 1.00 |
| 2025-11-28 | 218,689 | -0.6% | 35,105 | 6.23 |
| 2025-11-14 | 220,090 | -5.4% | 169,213 | 1.30 |
| 2025-10-31 | 232,565 | -2.4% | 79,462 | 2.93 |
| 2025-10-15 | 238,212 | -1.3% | 101,468 | 2.35 |
| 2025-09-30 | 241,373 | -12.5% | 60,965 | 3.96 |
| 2025-09-15 | 275,959 | +7.3% | 65,383 | 4.22 |
| 2025-08-29 | 257,255 | +5.3% | 40,198 | 6.40 |
| 2025-08-15 | 244,302 | -1.1% | 27,429 | 8.91 |
| 2025-07-31 | 246,912 | -7.8% | 24,841 | 9.94 |
| 2025-07-15 | 267,718 | +3.6% | 17,747 | 15.09 |
| 2025-06-30 | 258,424 | +5.7% | 58,237 | 4.44 |
| 2025-06-13 | 244,420 | -0.1% | 133,237 | 1.83 |
| 2025-05-30 | 244,546 | -1.0% | 32,012 | 7.64 |
| 2025-05-15 | 246,917 | -3.3% | 75,968 | 3.25 |
| 2025-04-30 | 255,425 | -2.2% | 15,535 | 16.44 |
| 2025-04-15 | 261,117 | -1.5% | 62,911 | 4.15 |
| 2025-03-31 | 265,169 | -11.1% | 31,464 | 8.43 |
| 2025-03-14 | 298,226 | +18.6% | 111,111 | 2.68 |
| 2025-02-28 | 251,462 | +5.2% | 45,506 | 5.53 |
| 2025-02-14 | 239,133 | +4.7% | 54,420 | 4.39 |
| 2025-01-31 | 228,400 | -0.4% | 47,969 | 4.76 |
| 2025-01-15 | 229,239 | -4.4% | 46,894 | 4.89 |
| 2024-12-31 | 239,727 | +0.5% | 81,911 | 2.93 |
| 2024-12-13 | 238,435 | -10.6% | 147,845 | 1.61 |
| 2024-11-29 | 266,724 | -4.4% | 118,232 | 2.26 |
| 2024-11-15 | 278,878 | -4.0% | 67,062 | 4.16 |
| 2024-10-31 | 290,653 | -10.1% | 84,053 | 3.46 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 14 October 2026, the fails-to-deliver balance in DRTTF is 440 shares, down 199 shares over the last settlement date. Over the last 30 readings it ranged from 156 shares (14 September 2026) to 23,846 shares (4 September 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-10-14 | 440 | $0.56 | $246 |
| 2026-10-13 | 639 | $0.55 | $351 |
| 2026-10-09 | 8,235 | $0.56 | $5K |
| 2026-10-08 | 259 | $0.57 | $148 |
| 2026-10-07 | 2,359 | $0.57 | $1K |
| 2026-10-05 | 4,202 | $0.60 | $3K |
| 2026-10-02 | 6,477 | $0.57 | $4K |
| 2026-10-01 | 19,221 | $0.57 | $11K |
| 2026-09-28 | 797 | $0.57 | $454 |
| 2026-09-25 | 9,353 | $0.57 | $5K |
| 2026-09-24 | 9,393 | $0.60 | $6K |
| 2026-09-23 | 12,976 | $0.60 | $8K |
| 2026-09-18 | 6,599 | $0.60 | $4K |
| 2026-09-17 | 2,037 | $0.60 | $1K |
| 2026-09-16 | 1,190 | $0.59 | $702 |
| 2026-09-15 | 1,190 | $0.60 | $714 |
| 2026-09-14 | 156 | $0.60 | $94 |
| 2026-09-08 | 23,016 | $0.60 | $14K |
| 2026-09-04 | 23,846 | $0.61 | $15K |
| 2026-09-01 | 741 | $0.60 | $445 |
| 2026-08-28 | 5,523 | $0.60 | $3K |
| 2026-08-27 | 6,330 | $0.60 | $4K |
| 2026-08-26 | 418 | $0.60 | $251 |
| 2026-08-25 | 5,868 | $0.60 | $4K |
| 2026-08-24 | 6,553 | $0.60 | $4K |
| 2026-08-21 | 1,255 | $0.59 | $740 |
| 2026-08-20 | 7,736 | $0.61 | $5K |
| 2026-08-19 | 10,559 | $0.61 | $6K |
| 2026-08-18 | 5,119 | $0.59 | $3K |
| 2026-08-12 | 3,649 | $0.60 | $2K |
Insider trades
SEC Form 4, newest first. JSONNo open-market insider trades were reported for DRTTF in the last 90 days. The most recent filings are listed below. Latest filing: Khan Fareeha (Chief Financial Officer) on 2026-08-14.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-08-14 | Khan Fareeha | Chief Financial Officer | Tax withholding | 529K | price not stated in the filing | not stated | 824K |
| 2026-08-14 | Khan Fareeha | Chief Financial Officer | Exercise or conversion | 1.1M | price not stated in the filing | not stated | 1.4M |
| 2026-08-14 | Urban Benjamin Nicholas | Chief Executive Officer | Tax withholding | 644K | $0.52 | $335K | 2.4M |
| 2026-08-14 | Urban Benjamin Nicholas | Chief Executive Officer | Exercise or conversion | 1.6M | price not stated in the filing | not stated | 3.1M |
| 2026-07-02 | Robinson Scott L | Director | Exercise or conversion | 150K | price not stated in the filing | not stated | 463K |
| 2026-06-08 | Urban Benjamin Nicholas | Chief Executive Officer | Exercise or conversion | 125K | price not stated in the filing | not stated | 1.5M |
| 2026-06-08 | Urban Benjamin Nicholas | Chief Executive Officer | Tax withholding | 61K | $0.52 | $32K | 1.5M |
| 2026-06-08 | Khan Fareeha | Chief Financial Officer | Exercise or conversion | 25K | price not stated in the filing | not stated | 265K |
| 2026-06-08 | Khan Fareeha | Chief Financial Officer | Tax withholding | 13K | $0.52 | $7K | 252K |
| 2025-11-26 | Zarate Adrian Raul | Chief Transformation Officer | Tax withholding | 59K | $0.72 | $43K | 141K |
| 2025-11-26 | Zarate Adrian Raul | Chief Transformation Officer | Grant | 200K | $0.72 | $144K | 200K |
| 2025-09-05 | Robinson Scott L | Director | Buy | 12K | $0.54 | $7K | 313K |
| 2025-09-05 | Robinson Scott L | Director | Buy | 8K | $0.54 | $4K | 301K |
| 2025-08-29 | English Aron R. | TenPercentOwner | Returned to company | 182K | $0.52 | $95K | 8.1M |
| 2025-08-29 | English Aron R. | TenPercentOwner | Exercise or conversion | 773K | price not stated in the filing | not stated | 8.3M |
| 2025-08-14 | Khan Fareeha | Chief Financial Officer | Tax withholding | 49K | $0.57 | $28K | 253K |
| 2025-08-14 | Khan Fareeha | Chief Financial Officer | Exercise or conversion | 100K | price not stated in the filing | not stated | 302K |
| 2025-08-14 | HUNTER RICHARD J | Chief Operating Officer | Exercise or conversion | 125K | price not stated in the filing | not stated | 1.5M |
| 2025-08-14 | HUNTER RICHARD J | Chief Operating Officer | Tax withholding | 61K | $0.57 | $34K | 1.5M |
| 2025-08-14 | Urban Benjamin Nicholas | Chief Executive Officer | Exercise or conversion | 100K | price not stated in the filing | not stated | 1.5M |
| 2025-08-11 | Khan Fareeha | Chief Financial Officer | Buy | 10K | $0.57 | $6K | 202K |
| 2025-08-06 | Robinson Scott L | Director | Buy | 5K | $0.56 | $3K | 293K |
| 2025-08-06 | Robinson Scott L | Director | Buy | 5K | $0.56 | $3K | 288K |
| 2025-07-24 | Noll Shaun | TenPercentOwner | Exercise or conversion | 809K | price not stated in the filing | not stated | 54.4M |
| 2025-07-24 | Noll Shaun | TenPercentOwner | Returned to company | 165K | $0.90 | $149K | 54.2M |
| 2025-06-09 | Urban Benjamin Nicholas | Chief Executive Officer | Tax withholding | 49K | $0.57 | $28K | 1.4M |
| 2025-06-09 | Urban Benjamin Nicholas | Chief Executive Officer | Tax withholding | 60K | $0.62 | $37K | 1.4M |
| 2025-06-09 | Urban Benjamin Nicholas | Chief Executive Officer | Exercise or conversion | 125K | price not stated in the filing | not stated | 1.4M |
| 2025-06-09 | HUNTER RICHARD J | Chief Operating Officer | Exercise or conversion | 117K | price not stated in the filing | not stated | 1.6M |
| 2025-06-09 | HUNTER RICHARD J | Chief Operating Officer | Tax withholding | 56K | $0.62 | $35K | 1.5M |
| 2025-06-09 | Khan Fareeha | Chief Financial Officer | Exercise or conversion | 25K | price not stated in the filing | not stated | 229K |
| 2025-06-09 | Khan Fareeha | Chief Financial Officer | Tax withholding | 12K | $0.62 | $8K | 217K |
| 2025-05-12 | Robinson Scott L | Director | Buy | 10K | $0.61 | $6K | 283K |
| 2025-03-21 | Noll Shaun | Director,TenPercentOwner | Buy | 44K | $0.72 | $31K | 53.6M |
| 2025-03-20 | Noll Shaun | Director,TenPercentOwner | Buy | 100K | $0.66 | $66K | 53.6M |
| 2025-03-05 | Urban Benjamin Nicholas | Chief Executive Officer | Buy | 10K | $0.64 | $6K | 1.3M |
| 2025-03-05 | Urban Benjamin Nicholas | Chief Executive Officer | Buy | 124K | $0.73 | $91K | 138K |
| 2025-03-05 | Urban Benjamin Nicholas | Chief Executive Officer | Buy | 10K | $0.69 | $7K | 148K |
| 2025-03-03 | Khan Fareeha | Chief Financial Officer | Exercise or conversion | 2K | price not stated in the filing | not stated | 176K |
| 2025-03-03 | Khan Fareeha | Chief Financial Officer | Tax withholding | 950 | $0.71 | $675 | 175K |
| 2024-09-19 | Noll Shaun | Director,TenPercentOwner | Buy | 156K | $0.51 | $80K | 53.5M |
| 2024-09-19 | Noll Shaun | Director,TenPercentOwner | Exercise or conversion | 156K | $0.51 | $80K | n/a |
| 2024-08-26 | Khan Fareeha | Chief Financial Officer | Exercise or conversion | 150K | $0.00 | $0 | 250K |
| 2024-08-26 | Khan Fareeha | Chief Financial Officer | Tax withholding | 76K | $0.51 | $39K | 174K |
| 2024-06-07 | Urban Benjamin Nicholas | Chief Executive Officer | Tax withholding | 60K | $0.47 | $28K | 1.3M |
| 2024-06-07 | Urban Benjamin Nicholas | Chief Executive Officer | Exercise or conversion | 125K | $0.00 | $0 | 1.3M |
| 2024-06-07 | Khan Fareeha | Chief Financial Officer | Tax withholding | 12K | $0.47 | $6K | 82K |
| 2024-06-07 | Khan Fareeha | Chief Financial Officer | Exercise or conversion | 25K | price not stated in the filing | not stated | 95K |
| 2024-06-07 | HUNTER RICHARD J | Chief Operating Officer | Exercise or conversion | 117K | price not stated in the filing | not stated | 1.1M |
| 2024-06-07 | HUNTER RICHARD J | Chief Operating Officer | Tax withholding | 56K | $0.47 | $26K | 1.0M |
| 2024-05-28 | Urban Benjamin Nicholas | Chief Executive Officer | Buy | 14K | $0.50 | $7K | 14K |
| 2024-05-13 | Urban Benjamin Nicholas | Chief Executive Officer | Buy | 10K | $0.55 | $5K | 1.2M |
| 2024-05-13 | Urban Benjamin Nicholas | Chief Executive Officer | Buy | 2K | $0.55 | $1K | 1.2M |
| 2024-03-31 | HUNTER RICHARD J | Chief Operating Officer | Tax withholding | 72K | $0.52 | $38K | 988K |
| 2024-03-31 | HUNTER RICHARD J | Chief Operating Officer | Exercise or conversion | 150K | price not stated in the filing | not stated | 1.1M |
| 2024-03-31 | Urban Benjamin Nicholas | Chief Executive Officer | Exercise or conversion | 150K | price not stated in the filing | not stated | 1.3M |
| 2024-03-31 | Urban Benjamin Nicholas | Chief Executive Officer | Tax withholding | 72K | $0.52 | $38K | 1.2M |
| 2024-03-01 | Khan Fareeha | Chief Financial Officer | Exercise or conversion | 2K | price not stated in the filing | not stated | 71K |
| 2024-03-01 | Khan Fareeha | Chief Financial Officer | Tax withholding | 805 | $0.49 | $394 | 69K |
| 2024-03-01 | Khan Fareeha | Chief Financial Officer | Exercise or conversion | 1K | price not stated in the filing | not stated | 70K |
| 2024-03-01 | Khan Fareeha | Chief Financial Officer | Tax withholding | 1K | $0.49 | $490 | 70K |
| 2024-01-09 | Noll Shaun | Director,TenPercentOwner | Exercise or conversion | 59K | $0.26 | $15K | 69K |
| 2024-01-09 | WWT Opportunity #1 LLC | TenPercentOwner | Exercise or conversion | 69K | $0.26 | $18K | 79K |
| 2024-01-09 | WWT Opportunity #1 LLC | TenPercentOwner | Exercise or conversion | 31.1M | $0.26 | $8.1M | 53.3M |
| 2024-01-09 | Khan Fareeha | Chief Financial Officer | Exercise or conversion | 40K | $0.27 | $11K | 91K |
| 2024-01-09 | Khan Fareeha | Chief Financial Officer | Exercise or conversion | 17K | $0.27 | $5K | 68K |
| 2024-01-09 | Urban Benjamin Nicholas | Chief Executive Officer | Exercise or conversion | 13K | $0.27 | $4K | 1.1M |
| 2024-01-05 | Urban Benjamin Nicholas | Chief Executive Officer | Exercise (in or at the money) | 501K | $0.27 | $135K | 1.1M |
| 2024-01-05 | Robinson Scott L | Director | Exercise (in or at the money) | 10K | $0.27 | $3K | 273K |
| 2024-01-04 | Khan Fareeha | Chief Financial Officer | Exercise (in or at the money) | 23K | $0.27 | $6K | 51K |
| 2024-01-02 | HUNTER RICHARD J | Chief Operating Officer | Exercise (in or at the money) | 286K | $0.27 | $77K | 911K |
| 2023-12-01 | Briger Peter L JR | Other | Other transaction | 5.0M | price not stated in the filing | not stated | 0 |
| 2023-12-01 | Briger Peter L JR | Other | Buy | 3.9M | $0.28 | $1.1M | 22.2M |
| 2023-12-01 | Briger Peter L JR | Other | Other transaction | 11.9M | price not stated in the filing | not stated | 0 |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON9 holders report 5% or more of DRTTF in their latest filing, all on Schedule 13D (active intent). The largest reported stake is English Aron R. at 30.3% of the class (58,038,870 shares), filed 2026-02-18 for an event on 2026-02-13.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-02-18 | 13D/Ano. 16 | English Aron R.individual | 58.0M | 30.3% | 2026-02-13 |
| 2026-02-18 | 13D/Ano. 16 | 22NW Fund GP, LLCother entity | 50.0M | 26.0% | 2026-02-13 |
| 2026-02-18 | 13D/Ano. 16 | 22NW GP, Inc.corporation | 50.0M | 26.0% | 2026-02-13 |
| 2026-02-18 | 13D/Ano. 16 | 22NW, LPpartnership | 50.0M | 26.0% | 2026-02-13 |
| 2026-02-18 | 13D/Ano. 16 | 22NW Fund, LPpartnership | 50.0M | 26.0% | 2026-02-13 |
| 2026-02-18 | 13D/Ano. 16 | Zarate Adrian Rindividual | 57K | 0.0% | 2026-02-13 |
| 2026-02-18 | 13D/Ano. 16 | Hirai-Hadley Brysonindividual | 2K | 0.0% | 2026-02-13 |
| 2026-02-18 | 13D/Ano. 10 | Noll Shaunindividual | 25.4M | 13.3% | 2026-02-13 |
| 2026-02-18 | 13D/Ano. 10 | WWT Opportunity #1 LLCother entity | 24.7M | 12.9% | 2026-02-13 |
| 2026-02-18 | 13D/Ano. 10 | 726 BF LLCother entity | 20.4M | 10.6% | 2026-02-13 |
| 2026-02-18 | 13D/Ano. 10 | Briger Peter L JRindividual | 20.4M | 10.6% | 2026-02-13 |
| 2026-02-18 | 13D/Ano. 10 | Briger Matthewindividual | 8.5M | 4.4% | 2026-02-13 |
| 2026-02-18 | 13D/Ano. 10 | 726 BC LLCindividual | 8.5M | 4.4% | 2026-02-13 |
| 2026-02-13 | 13G/Ano. 5 | MAK Capital Fund LPpartnership | 9.1M | 4.7% | 2025-12-31 |
| 2026-02-13 | 13G/Ano. 5 | MAK Capital One L.L.C.investment adviser | 9.1M | 4.7% | 2025-12-31 |
| 2026-02-13 | 13G/Ano. 5 | Michael A. Kaufmanindividual | 9.1M | 4.7% | 2025-12-31 |
| 2025-12-12 | 13D/Ano. 15 | Jones Alexander Bindividual | 2K | 0.0% | 2025-12-10 |
What this page is
Dirtt Environmental Solutions in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.
This page follows Dirtt Environmental Solutions (DRTTF), SEC CIK 1340476, listed on OTC, classified by the SEC as services-prepackaged software. The cross-market tables live on the short interest and insider transactions hubs.
Source and updates
- Short interest
- FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-10-15.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-10-14.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-02-18.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-07-29.JSON and CSV
- Insider trades
- SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-08-14.JSON and CSV
- Company record
- EDGAR filing index for CIK 1340476Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 10 requests a minute without a key, 30 with a free key from a free account.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
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Datasets
Frequently Asked Questions
How much of DRTTF is sold short?
157,104 shares were held short at the 2026-10-15 settlement, 2.2 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.
What is DRTTF's daily short volume?
No daily short volume file lists DRTTF yet.
Does DRTTF have fails to deliver?
The SEC's latest file shows 440 DRTTF shares failed to deliver at settlement 2026-10-14. Fails are reported per settlement date and published twice a month with a lag.
Are DRTTF insiders buying or selling?
No open-market insider trades were reported for DRTTF in the last 90 days. The most recent filings are listed below. Latest filing: Khan Fareeha (Chief Financial Officer) on 2026-08-14.
Who owns 5% or more of DRTTF?
9 holders report 5% or more of DRTTF in their latest filing, all on Schedule 13D (active intent). The largest reported stake is English Aron R. at 30.3% of the class (58,038,870 shares), filed 2026-02-18 for an event on 2026-02-13.
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.