DIRTT grants director Edwards 33,654 stock units

The DSUs were granted under DIRTT’s Third Amended and Restated Long Term Incentive Plan.

Rhea-AI Filing Summary

DIRTT Environmental Solutions Ltd. reported a grant of 33,654 deferred share units (DSUs) to director Douglas A. Edwards on September 30, 2026, bringing his reported direct DSU position to 1,009,223. Each DSU is economically equivalent to one common share and settles after service and employment end, in common shares or their cash equivalent. For directors subject to U.S. taxation, settlement is due no later than 40 days after the termination date. The grant count was calculated using a C$0.83 closing price from September 29, 2026.

Insider Trade Summary

Grant/Award: 33,654 shares

Grant/Award 1 txn

Insider Edwards Douglas A

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Deferrred Share Unit F1, F2	33,654	$0.59	$20K

Holdings After Transaction: Deferrred Share Unit — 1,009,223 contracts (Direct)

Footnotes (2)

1. F1. Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Third Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors.
2. F2. The price used to calculate the number of DSUs granted was C$0.83, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on September 29, 2026. The price was converted using the Bank of Canada exchange rate for September 29, 2026 of C$1.4188 = US$1.00.

Key Figures

DSUs granted: 33,654 DSUs Direct DSU position following grant: 1,009,223 DSUs Closing price used to calculate grant count: C$0.83 per common share +2 more

5 metrics

DSUs granted 33,654 DSUs Douglas A. Edwards, September 30, 2026

Direct DSU position following grant 1,009,223 DSUs Douglas A. Edwards

Closing price used to calculate grant count C$0.83 per common share September 29, 2026

Bank of Canada exchange rate C$1.4188 per US$1.00 September 29, 2026

Settlement deadline for U.S.-taxed directors No later than 40 days after the termination date Applies to directors subject to taxation in the United States

Key Terms

deferred share unit, Third Amended and Restated Long Term Incentive Plan, Termination Date, cash equivalent

4 terms

deferred share unit financial

"Each deferred share unit ("DSU") was granted"

Third Amended and Restated Long Term Incentive Plan financial

"pursuant to the DIRTT Environmental Solutions Ltd. Third Amended and Restated Long Term Incentive Plan"

Termination Date financial

"following the cessation of service and employment with the Issuer"

Termination date is the specific calendar day when a contract, agreement, option or other legal arrangement stops being in effect and any remaining rights or obligations expire. For investors it matters because that date sets deadlines for exercising rights, receiving payments, closing positions or avoiding penalties—similar to the day a lease or warranty ends, after which parties no longer have the same protections or claims.

cash equivalent financial

"or in the cash equivalent of such Common Shares"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many DSUs did DRTTF director Douglas A. Edwards receive?

Douglas A. Edwards, a DIRTT director, was granted 33,654 DSUs on September 30, 2026. His reported direct position after the grant was 1,009,223 DSUs.

What price was used to calculate Douglas A. Edwards’s DRTTF DSU grant?

The grant count used C$0.83, the closing price of DIRTT common shares reported on the Toronto Stock Exchange on September 29, 2026. The price was converted using the Bank of Canada rate of C$1.4188 per US$1.00.

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

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Available on EDGAR 10/01/2026 - 04:37 PM Accepted by SEC EDGAR 10/01/2026 - 04:36 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED 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^*

Edwards Douglas A

(Last) (First) (Middle)

7303 30 STREET SE

(Street)

CALGARY T2C1N6

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Deferrred Share Unit	(1)	09/30/2026		A		33,654		(1)	(1)	Common Shares	33,654	$0.59(2)	1,009,223	D

Explanation of Responses:

1. Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Third Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors.

2. The price used to calculate the number of DSUs granted was C$0.83, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on September 29, 2026. The price was converted using the Bank of Canada exchange rate for September 29, 2026 of C$1.4188 = US$1.00.

	/s/ Fareeha Khan, as attorney-in-fact Douglas Edwards	10/01/2026
	** Signature of Reporting Person	Date
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)