[Form 4] LITHIUM AMERICAS CORP. Insider Trading Activity

Rhea-AI Filing Summary

Lithium Americas Corp. (LAC) reported an insider equity award. A director received 4,913 Deferred Share Units (DSUs) on 10/22/2025 at a price of $0.

Each DSU represents the right to receive one common share. Settlement occurs after the director’s service ends, with timing defined by plan rules. Following this grant, the director beneficially owned 58,582 derivative securities, held directly.

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
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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.

5310 KIETZKE LANE, SUITE 200

(Street)

RENO NV 89511

(City) (State) (Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
10/22/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

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

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)	10/22/2025		A		4,913		(1)	(1)	Common Shares	4,913	$0	58,582	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	10/23/2025
	** 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.

FAQ

What did Lithium Americas (LAC) disclose in this Form 4?

A director was granted 4,913 DSUs on 10/22/2025 at $0.

How many derivative securities does the director hold after the transaction?

The director beneficially owned 58,582 derivative securities following the grant.

What does each DSU represent for LAC?

Each DSU represents the right to receive one common share of Lithium Americas.

When are the DSUs settled?

DSUs settle after the director’s service ends, per plan rules for U.S. and non‑U.S. participants.

What is the ownership form of the reported holdings?

The holdings are reported as Direct (D) ownership.

Who is the issuer and ticker?

The issuer is Lithium Americas Corp. with ticker LAC.