Glass House Brands SVP exercises 8,333 RSUs

Glass House Brands Inc. senior vice president and corporate controller William Tu exercised 8,333 restricted stock units into Equity Shares on May 18, 2026 at a price of $0.00 per share, reflecting equity compensation rather than an open-market purchase.

Rhea-AI Filing Summary

Glass House Brands Inc. senior vice president and corporate controller William Tu exercised 8,333 restricted stock units into Equity Shares on May 18, 2026 at a price of $0.00 per share, reflecting equity compensation rather than an open-market purchase. Following the transaction, he directly holds 34,635 Equity Shares and 150,871 Restricted Stock Units, each RSU representing the right to receive one Equity Share at settlement.

Insider Trade Summary

8,333 shares exercised/converted

Exercise 2 txns

Insider Tu William

Role SVP, Corporate Controller

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit	8,333	$0.00	$0.00
Exercise	Equity Shares	8,333	$0.00	$0.00

Holdings After Transaction: Restricted Stock Unit — 150,871 contracts (Direct); Equity Shares — 34,635 shares (Direct)

Footnotes (3)

1. F1. The Subordinate Voting Shares, Restricted Voting Shares, and/or Limited Voting Shares of Glass House Brands Inc. ("GHBI") (collectively, the "Equity Shares").
2. F2. The Reporting Person was granted 8,333 RSUs on July 12, 2023 (the "RSUs"). The RSUs vest on May 18, 2026.
3. F3. Each RSU represents the right to receive, at settlement, one share of GHBI's Equity Shares.

Key Figures

RSUs exercised: 8,333 units Exercise price: $0.00 per share Equity Shares after transaction: 34,635 shares +3 more

6 metrics

RSUs exercised 8,333 units Restricted Stock Units converted to Equity Shares on May 18, 2026

Exercise price $0.00 per share Price per share for RSU conversion to Equity Shares

Equity Shares after transaction 34,635 shares Direct holdings of Equity Shares following May 18, 2026 transaction

RSUs after transaction 150,871 units Restricted Stock Units remaining after reported derivative transaction

Grant date of RSUs July 12, 2023 Date 8,333 RSUs were originally granted to the reporting person

Vesting date of RSUs May 18, 2026 Vesting date for the 8,333 RSUs exercised into Equity Shares

Key Terms

Restricted Stock Unit, Equity Shares, Exercise or conversion of derivative security, vesting

4 terms

Restricted Stock Unit financial

"The Reporting Person was granted 8,333 RSUs on July 12, 2023 (the "RSUs")."

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

Equity Shares financial

"The Subordinate Voting Shares, Restricted Voting Shares, and/or Limited Voting Shares ... (collectively, the "Equity Shares")."

Equity shares are units of ownership in a company that give the holder a claim on a portion of its assets and profits, like owning a slice of a business. They matter to investors because their value can rise or fall with the company’s performance and market sentiment, may provide periodic income through dividends, and often carry voting rights that influence how the business is run.

Exercise or conversion of derivative security financial

"transaction_code_description": "Exercise or conversion of derivative security""

vesting financial

"The Reporting Person was granted 8,333 RSUs on July 12, 2023 ... The RSUs vest on May 18, 2026."

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

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

What insider transaction did Glass House Brands (GHBWF) report for William Tu?

Glass House Brands reported that SVP and corporate controller William Tu exercised 8,333 restricted stock units into Equity Shares on May 18, 2026. This was an equity compensation-related derivative exercise, not an open-market stock purchase or sale.

How many Glass House Brands Equity Shares does William Tu own after this Form 4?

After the reported transaction, William Tu directly holds 34,635 Equity Shares of Glass House Brands Inc. These are the company’s Equity Shares, which include Subordinate Voting, Restricted Voting and Limited Voting Shares as defined in the filing footnotes.

How many restricted stock units does William Tu hold after the May 18, 2026 transaction?

Following the May 18, 2026 derivative transaction, William Tu holds 150,871 Restricted Stock Units. Each RSU represents the right to receive, at settlement, one share of Glass House Brands’ Equity Shares, according to the filing’s footnote disclosure.

Was the Glass House Brands insider transaction a market buy or sell of shares?

The transaction was not an open-market buy or sell. It was coded “M” as an exercise or conversion of a derivative security, reflecting the settlement of 8,333 RSUs into Equity Shares at $0.00 per share as part of equity compensation.

What are the key terms of the RSUs involved in this Glass House Brands Form 4?

The filing notes that 8,333 RSUs were granted on July 12, 2023 and vest on May 18, 2026. Each restricted stock unit entitles the holder, at settlement, to receive one share of Glass House Brands’ Equity Shares.

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

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Accepted by SEC EDGAR 05/19/2026 - 09:33 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^*

Tu William

(Last) (First) (Middle)

3645 LONG BEACH BLVD

(Street)

LONG BEACH CALIFORNIA 90807

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Glass House Brands Inc. [ GLASF ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Corporate Controller

2a. Foreign Trading Symbol
[GLAS.AU]

3. Date of Earliest Transaction (Month/Day/Year)
05/18/2026

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
Equity Shares(1)	05/18/2026		M		8,333	A	(3)	34,635	D

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 Stock Unit	(3)	05/18/2026		M			8,333	(2)	(2)	Equity Shares	8,333	$0	150,871	D

Explanation of Responses:

1. The Subordinate Voting Shares, Restricted Voting Shares, and/or Limited Voting Shares of Glass House Brands Inc. ("GHBI") (collectively, the "Equity Shares").

2. The Reporting Person was granted 8,333 RSUs on July 12, 2023 (the "RSUs"). The RSUs vest on May 18, 2026.

3. Each RSU represents the right to receive, at settlement, one share of GHBI's Equity Shares.

	/s/ Benjamin Vega, Attorney-in-Fact for William Tu	05/19/2026
	** 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)