DIRTT director granted 150,000 RSUs

DIRTT Environmental Solutions Ltd director Scott L. Robinson acquired 150,000 Restricted Share Units on May 11, 2026 as compensation, not through an open-market purchase.

Rhea-AI Filing Summary

DIRTT Environmental Solutions Ltd director Scott L. Robinson acquired 150,000 Restricted Share Units on May 11, 2026 as compensation, not through an open-market purchase. These RSUs will cliff vest on July 1, 2026 and each represents a right to cash or Common Shares equal to the fair market value of one Common Share.

Insider Trade Summary

150,000 shares exercised/converted

Exercise 1 txn

Insider Robinson Scott L

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Share Units	150,000	$0.56	$84K

Holdings After Transaction: Restricted Share Units — 150,000 contracts (Direct)

Footnotes (2)

1. F1. On May 11, 2026, the reporting person was granted 150,000 restricted share units ("RSUs") which will cliff vest on July 1, 2026. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share 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.
2. F2. The price used to calculate the May 11 RSU vesting was C$0.77, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on May 11, 2026. The price was converted using the Bank of Canada exchange rate for May 11, 2026 of C$1.3667= US$1.00

Key Figures

RSUs granted: 150,000 Restricted Share Units Transaction share value reference: 0.5600 per share TSX closing price: C$0.77 +3 more

6 metrics

RSUs granted 150,000 Restricted Share Units Granted to Scott L. Robinson on May 11, 2026

Transaction share value reference 0.5600 per share Form 4 transaction price per share for RSUs

TSX closing price C$0.77 DIRTT Common Shares closing price on May 11, 2026

FX rate used C$1.3667 = US$1.00 Bank of Canada exchange rate on May 11, 2026

Post-transaction holdings 150,000 shares-equivalent Total shares following transaction per Form 4

Cliff vest date July 1, 2026 Date when 150,000 RSUs will cliff vest

Key Terms

Restricted Share Units, cliff vest, fair market value, Toronto Stock Exchange, +1 more

5 terms

Restricted Share Units financial

"the reporting person was granted 150,000 restricted share units ("RSUs") which will cliff vest"

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.

cliff vest financial

"150,000 restricted share units ("RSUs") which will cliff vest on July 1, 2026"

A cliff vest is a schedule for stock options or restricted shares where no ownership rights are earned until a fixed date, after which a set portion becomes fully owned all at once — like a probation period that suddenly unlocks pay. Investors watch cliff vests because they influence when insiders can sell shares, affect staff retention and dilution timing, and help predict short-term changes in a company’s shareholder makeup.

fair market value financial

"represents a conditional right to receive a cash payment 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.

Toronto Stock Exchange financial

"closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on May 11, 2026"

The Toronto Stock Exchange is Canada’s largest organized marketplace where shares of publicly traded companies are bought and sold, similar to a large, regulated marketplace for company ownership. It matters to investors because it provides transparent prices, rules that help protect buyers and sellers, and access to many Canadian and international businesses, so movements there can signal economic trends and affect portfolio values.

Bank of Canada exchange rate financial

"converted using the Bank of Canada exchange rate for May 11, 2026 of C$1.3667= US$1.00"

FAQ

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

What insider transaction did DIRTT Environmental Solutions (DRTTF) report for Scott L. Robinson?

Scott L. Robinson received 150,000 Restricted Share Units as compensation on May 11, 2026. These RSUs are not open-market share purchases but derivative awards that can settle in cash, Common Shares, or a combination, at the issuer’s discretion.

Are the 150,000 DIRTT (DRTTF) RSUs for Scott L. Robinson immediately vested?

No, the 150,000 Restricted Share Units will cliff vest on July 1, 2026. Until vesting, they represent a conditional right to value, not currently exercisable or settled shares, and are part of the director’s compensation structure.

How can Scott L. Robinson’s DIRTT (DRTTF) RSUs be settled at vesting?

Each Restricted Share Unit may be settled in a cash payment equal to the fair market value of one Common Share or, at the issuer’s discretion, in Common Shares or a mix of cash and Common Shares, matching that fair market value.

What price was used to value DIRTT (DRTTF) RSUs granted on May 11, 2026?

The RSU value used the May 11, 2026 closing price of C$0.77 for DIRTT’s Common Shares on the Toronto Stock Exchange. This Canadian-dollar price was converted using a Bank of Canada exchange rate of C$1.3667 = US$1.00.

Does Scott L. Robinson’s DIRTT (DRTTF) Form 4 show any share sales or open-market buys?

No, the Form 4 only shows an acquisition of 150,000 Restricted Share Units via a derivative exercise/conversion-type entry. The filing indicates no open-market purchases or sales, and net buy/sell activity is recorded as neutral.

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

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Accepted by SEC EDGAR 05/13/2026 - 03:14 PM EDT 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 ALBERTA, CANADA 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)
05/11/2026

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
Restricted Share Units	(1)	05/11/2026		M		150,000		(1)	(1)	Common Shares	150,000	$0.56(2)	150,000	D

Explanation of Responses:

1. On May 11, 2026, the reporting person was granted 150,000 restricted share units ("RSUs") which will cliff vest on July 1, 2026. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share 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.

2. The price used to calculate the May 11 RSU vesting was C$0.77, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on May 11, 2026. The price was converted using the Bank of Canada exchange rate for May 11, 2026 of C$1.3667= US$1.00

	/s/ Fareeha Khan, as attorney-in-fact Scott Robinson	05/13/2026
	** 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)