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DIRTT Environmental (OTC: DRTTF) CFO gets 1.1M RSU shares; 528K withheld

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

DIRTT ENVIRONMENTAL SOLUTIONS LTD (DRTTF) reported that its Chief Financial Officer, Fareeha Khan, had Restricted Share Units (RSUs) vest and convert into Common Shares on August 14, 2026. This resulted in the acquisition of 1,100,000 Common Shares through derivative exercises linked to prior RSU grants. On the same date, 528,502 Common Shares were delivered or withheld to cover the payment of exercise price or tax liability. The RSUs stem from grants made on August 14, 2024, including awards of 1,000,000 and 100,000 RSUs that vested on August 14, 2026.

Positive

  • None.

Negative

  • None.
Insider Khan Fareeha
Role Chief Financial Officer
Type Security Shares Price Value
Exercise Restricted Share Units F2 1,000,000 $0.00 $0.00
Exercise Restricted Share Units F3 100,000 $0.60 $60K
Exercise Common Shares F1 1,100,000 -- --
Exercise Price or Tax Liability Common Shares F1 528,502 -- --
Holdings After Transaction: Restricted Share Units — 0 shares (Direct); Common Shares — 823,954 shares (Direct)
Footnotes (3)
  1. F1. The price used to calculate the August 14 RSU vesting was C$0.83, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on August 14, 2026. The price was converted using the Bank of Canada exchange rate for August 14, 2026 of C$1.3875= US$1.00.
  2. F2. On August 14, 2024, the reporting person was granted 1,000,000 RSUs vesting on August 14, 2026. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. The RSUs vested on August 14, 2026 and were coverted into Common Stock on a one-to-one basis at the Issuer's discretion.
  3. F3. On August 14, 2024, the reporting person was granted 100,000 RSUs vesting in three equal annual installments beginning on the first anniversary of the grant date. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. The RSUs vested on August 14, 2026 and were coverted into Common Stock on a one-to-one basis at the Issuer's discretion.
Common Shares acquired 1,100,000 shares Common Shares acquired on August 14, 2026 through RSU-related derivative exercises
Shares withheld for tax or exercise 528,502 shares Common Shares delivered or withheld for payment of exercise price or tax liability on August 14, 2026
RSU grant size 1,000,000 RSUs RSUs granted on August 14, 2024, vesting on August 14, 2026
Additional RSU grant 100,000 RSUs RSUs granted on August 14, 2024, vesting in three annual installments and vesting on August 14, 2026
RSU vesting price C$0.83 per share Closing price of Common Shares on the Toronto Stock Exchange on August 14, 2026 used for RSU vesting
FX rate C$1.3875 = US$1.00 Bank of Canada exchange rate used to convert the RSU vesting price on August 14, 2026
Restricted Share Units financial
"the reporting person was granted 1,000,000 RSUs vesting on August 14, 2026"
Restricted share units (RSUs) are a promise from a company to give an employee or service provider actual shares or cash equal to the shares after certain conditions are met, typically staying with the company for a set time or hitting performance targets. Think of them like a time-locked gift card that becomes usable only after you’ve earned it. For investors, RSUs matter because they align employee incentives with company performance and can increase the number of shares outstanding over time, diluting existing ownership and affecting earnings per share.
fair market value financial
"a number of Common Shares equal to the fair market value of one Common Share"
The price a willing buyer and a willing seller would agree on for an asset or security when neither is under pressure and both have access to the same information. Think of it as the market’s neutral estimate of what something is worth, like the price two neighbors would settle on for a car after comparing similar listings. Investors care because fair market value guides buying and selling decisions, tax reporting, portfolio valuation, and how accurately company assets are reflected in financial statements.
exercise price or tax liability financial
"Payment of exercise price or tax liability by delivering or withholding securities"
Bank of Canada exchange rate financial
"converted using the Bank of Canada exchange rate for August 14, 2026"

FAQ

What insider equity transaction did DRTTF report for CFO Fareeha Khan on August 14, 2026?
DIRTT ENVIRONMENTAL Solutions reported that CFO Fareeha Khan acquired 1,100,000 Common Shares on August 14, 2026 via RSU vesting and derivative exercises. These shares arose from previously granted Restricted Share Units that fully vested on that date.

How many DIRTT ENVIRONMENTAL (DRTTF) shares were withheld for taxes or exercise costs?
On August 14, 2026, 528,502 Common Shares were delivered or withheld to cover exercise price or tax liability related to the RSU conversions. This reduced the number of shares actually retained from the 1,100,000 shares acquired upon vesting.

What RSU grants to the DRTTF CFO underlie the August 14, 2026 transactions?
The August 14, 2026 activity relates to two RSU grants made on August 14, 2024: one for 1,000,000 RSUs vesting in full on August 14, 2026, and another for 100,000 RSUs vesting in three annual installments and also vesting on August 14, 2026.

At what price were the DIRTT ENVIRONMENTAL (DRTTF) RSUs valued on the August 14, 2026 vesting?
The RSU vesting used a price of C$0.83 per Common Share, equal to the Toronto Stock Exchange closing price on August 14, 2026. This was converted using a Bank of Canada rate of C$1.3875 = US$1.00.

Were the DRTTF insider transactions made under a Rule 10b5-1 trading plan?
The filing indicates the Rule 10b5-1 checkbox was not marked, and there is no footnote stating these were pursuant to a trading plan. The activity is described as RSUs vesting and converting at the issuer’s discretion.

What type of securities did the DRTTF CFO hold that converted into Common Shares?
The CFO held Restricted Share Units (RSUs), each representing a conditional right to receive either cash or Common Shares (or a combination) equal to the fair market value of one Common Share. Upon vesting, they were converted into Common Shares at the issuer’s discretion.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Khan Fareeha
(Last)(First)(Middle)
7303 30 STREET SE
(Street)
CALGARYT2C1N6
(City)(State)(Zip)
ALBERTA, CANADA
(Country)		2. Issuer Name and Ticker or Trading Symbol
DIRTT ENVIRONMENTAL SOLUTIONS LTD [ DRTTF ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Financial Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/14/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Shares08/14/2026M1,100,000A(1)1,352,456D
Common Shares08/14/2026F528,502D(1)823,954D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Share Units(2)08/14/2026M1,000,000 (2) (2)Common Shares125,000$00D
Restricted Share Units(3)08/14/2026M100,000 (3) (3)Common Shares100,000$0.60D
Explanation of Responses:
1. The price used to calculate the August 14 RSU vesting was C$0.83, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on August 14, 2026. The price was converted using the Bank of Canada exchange rate for August 14, 2026 of C$1.3875= US$1.00.
2. On August 14, 2024, the reporting person was granted 1,000,000 RSUs vesting on August 14, 2026. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. The RSUs vested on August 14, 2026 and were coverted into Common Stock on a one-to-one basis at the Issuer's discretion.
3. On August 14, 2024, the reporting person was granted 100,000 RSUs vesting in three equal annual installments beginning on the first anniversary of the grant date. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. The RSUs vested on August 14, 2026 and were coverted into Common Stock on a one-to-one basis at the Issuer's discretion.
/s/ Fareeha Khan08/18/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR