DIRTT director Robinson acquires 65,171 stock units

The 65,171-unit grant was calculated using the September 29 closing price of C$0.83, converted at C$1.4188 to US$1.00.

Rhea-AI Filing Summary

DIRTT Environmental Solutions Ltd. director Scott L. Robinson acquired 65,171 deferred share units on September 30, 2026; each DSU is the economic equivalent of one common share. His reported post-grant position was 1,290,507 DSUs. DSUs settle following cessation of service and employment in one common share or its cash equivalent. For directors subject to U.S. taxation, settlement is due no later than 40 days following the Termination Date.

Insider Trade Summary

Grant/Award: 65,171 shares

Grant/Award 1 txn

Insider Robinson Scott L

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Deferred Share Unit F1, F2	65,171	$0.59	$38K

Holdings After Transaction: Deferred Share Unit — 1,290,507 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

Deferred share units acquired: 65,171 DSUs DSUs following grant: 1,290,507 DSUs Reference closing price: C$0.83 +2 more

5 metrics

Deferred share units acquired 65,171 DSUs September 30, 2026

DSUs following grant 1,290,507 DSUs Reported post-grant position

Reference closing price C$0.83 Common Shares closing price on September 29, 2026, used to calculate the DSU grant

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

U.S. Director settlement deadline No later than 40 days Following the Termination Date

Key Terms

Deferred Share Unit, Long Term Incentive Plan, Termination Date, Bank of Canada exchange rate

4 terms

Deferred Share Unit technical

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

Long Term Incentive Plan financial

"Third Amended and Restated Long Term Incentive Plan"

A long term incentive plan is a company program that awards executives and key employees bonuses—often in stock, options, or cash—only if the business meets multi-year performance goals. It links management pay to company results—like tying a coach’s bonus to a team’s multi-season record—so investors monitor it for how leaders are motivated, potential share dilution, and signals about the company’s long-term priorities.

Termination Date technical

"following the cessation of service and employment"

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.

Bank of Canada exchange rate financial

"using the Bank of Canada exchange rate"

FAQ

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

How many DRTTF deferred share units did director Scott L. Robinson acquire?

Scott L. Robinson acquired 65,171 deferred share units on September 30, 2026. Each unit is the economic equivalent of one common share, and his reported post-grant position was 1,290,507 DSUs.

How are DRTTF deferred share units settled?

The DSUs settle following cessation of service and employment in one common share or the cash equivalent of those shares. For directors subject to U.S. taxation, settlement is no later than 40 days following the Termination Date; the cash equivalent is calculated using the closing price on the day before the 30th day following separation from service.

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

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Available on EDGAR 10/01/2026 - 04:32 PM Accepted by SEC EDGAR 10/01/2026 - 04:31 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^*

Robinson Scott L

(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
Deferred Share Unit	(1)	09/30/2026		A		65,171		(1)	(1)	Common Shares	65,171	$0.59(2)	1,290,507	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 Scott Robinson	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)