LAC director granted 8,100 deferred share units

Lithium Americas Corp. director Philip Montgomery received a grant of 8,100 Deferred Share Units (DSUs), each representing the right to receive one common share.

Rhea-AI Filing Summary

Lithium Americas Corp. director Philip Montgomery received a grant of 8,100 Deferred Share Units (DSUs), each representing the right to receive one common share. The award was granted at no cash cost and increased his directly held DSUs to 81,474.

The DSUs will not convert into common shares, and he will not have voting or dispositive rights over the underlying shares, until his service as a director ends. For U.S. participants, settlement occurs 6 months after termination; for non-U.S. participants, on the 20th business day following termination.

Insider Trade Summary

Grant/Award: 8,100 shares

Grant/Award 1 txn

Insider MONTGOMERY PHILIP

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Deferred Share Units ("DSUs")	8,100	$0.00	$0.00

Holdings After Transaction: Deferred Share Units ("DSUs") — 81,474 contracts (Direct)

Footnotes (1)

1. F1. Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

Key Figures

DSUs granted: 8,100 DSUs DSUs after grant: 81,474 DSUs DSU-to-share ratio: 1 DSU : 1 common share +3 more

6 metrics

DSUs granted 8,100 DSUs Grant to director on 2026-07-06

DSUs after grant 81,474 DSUs Total directly held following transaction

DSU-to-share ratio 1 DSU : 1 common share Each DSU represents right to one common share

Grant price $0.0000 per DSU Non-cash grant, no exercise price

U.S. settlement timing 6 months after termination Settlement schedule for U.S. eligible participants

Non-U.S. settlement timing 20th business day after termination Settlement schedule for non-U.S. eligible participants

Key Terms

Deferred Share Units ("DSUs"), voting or dispositive rights, termination of the Reporting Person's employment or services, eligible participants, +1 more

5 terms

Deferred Share Units ("DSUs") financial

"Deferred Share Units ("DSUs")"

voting or dispositive rights financial

"shall not have any voting or dispositive rights with respect to the underlying common shares"

termination of the Reporting Person's employment or services financial

"until termination of the Reporting Person's employment or services as a director of the Issuer"

eligible participants financial

"Grants to U.S. eligible participants will be settled with no further action"

settled with no further action financial

"will be settled with no further action by the Reporting Person"

FAQ

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

What insider transaction did LAC director Philip Montgomery report on this Form 4?

Philip Montgomery reported receiving 8,100 Deferred Share Units (DSUs) of Lithium Americas Corp. as a grant. Each DSU represents the right to one common share, increasing his total DSUs directly held to 81,474 after the transaction.

What are Deferred Share Units (DSUs) in the LAC Form 4 filing?

Deferred Share Units (DSUs) are awards that represent the right to receive one common share in the future. For Lithium Americas, each DSU equals one common share, but no shares are issued and no voting or dispositive rights exist until the director’s service ends.

When will Philip Montgomery’s LAC DSUs be settled into common shares?

Montgomery’s DSUs convert into common shares only after his service as a director ends. For U.S. participants, settlement occurs 6 months after termination; for non-U.S. participants, on the 20th business day following the termination date.

Did Philip Montgomery buy or sell LAC common shares in this Form 4?

He did not buy or sell common shares on the market. Instead, he received 8,100 Deferred Share Units as a grant, with each DSU representing a future right to one common share upon termination of his board service.

How many LAC Deferred Share Units does Philip Montgomery hold after this grant?

After receiving the 8,100 DSU grant, Montgomery directly holds a total of 81,474 Deferred Share Units. These DSUs will eventually settle into common shares once his service as a director ends and the applicable settlement period passes.

Does Philip Montgomery have voting rights on the LAC shares underlying his DSUs?

He does not currently have voting or dispositive rights over the underlying common shares. Those rights only arise once the DSUs are settled into shares, which occurs after his termination as a director and the required waiting period.

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

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Accepted by SEC EDGAR 07/08/2026 - 11:43 AM 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^*

MONTGOMERY PHILIP

(Last) (First) (Middle)

C/O LITHIUM AMERICAS CORP.

522 S. ROCK BLVD., SUITE 200

(Street)

RENO NEVADA 89502

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
LITHIUM AMERICAS CORP. [ LAC ]

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)
07/06/2026

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 Units ("DSUs")	(1)	07/06/2026		A		8,100		(1)	(1)	Common Shares	8,100	$0	81,474	D

Explanation of Responses:

1. Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

	/s/ Tereza Fonda as attorney-in-fact for Philip Montgomery	07/07/2026
	** 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)