[Form 4] LITHIUM AMERICAS CORP. Insider Trading Activity

Rhea-AI Filing Summary

Lithium Americas Corp. (LAC) reported insider equity activity by its Senior Vice President, General Counsel and Secretary. On 10/24/2025, the officer acquired 13,286 common shares through the exercise of restricted share units, increasing their direct holdings to 141,649 shares. On 11/14/2025, they sold 6,183 common shares at a price of $4.5 per share, leaving 135,466 common shares held directly after the sale.

The filing also shows 26,570 restricted share units remaining beneficially owned, each representing a right to receive one common share. These RSUs relate to a grant originally made on 10/24/2023 that vests in equal fifths annually from 2023 through 2027, with 39,856 RSUs noted as unvested as of the referenced form date.

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

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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^*

GRANDY EDWARD

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Sr VP, GC & Secretary

3. Date of Earliest Transaction (Month/Day/Year)
10/24/2025

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
Common Shares	10/24/2025		M		13,286	A	(1)	141,649	D
Common Shares	11/14/2025		S		6,183	D	$4.5	135,466	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 Share Units	(1)	10/24/2025		M			13,286	(2)	(2)	Common Shares	13,286	$0	26,570	D

Explanation of Responses:

1. Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

2. Represents grant of RSUs on October 24, 2023, which vests as follows: 1/5 on October 24, 2023; 1/5 on October 24, 2024; 1/5 on October 24, 2025; 1/5 on October 24, 2026; and 1/5 on October 24, 2027. As of the date of this Form 3, 39,856 RSUs remain unvested.

	/s/ Tereza Fonda as attorney-in-fact for Edward Grandy	11/18/2025
	** 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).
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FAQ

What insider transaction did Lithium Americas (LAC) report in this Form 4?

The company reported that its Senior Vice President, General Counsel and Secretary exercised restricted share units to acquire 13,286 common shares on 10/24/2025 and then sold 6,183 common shares on 11/14/2025.

At what price were Lithium Americas (LAC) shares sold in this insider transaction?

The officer sold 6,183 common shares of Lithium Americas at a price of $4.5 per share on 11/14/2025.

How many Lithium Americas (LAC) shares does the insider hold after these transactions?

Following the reported transactions, the officer directly holds 135,466 common shares of Lithium Americas.

How many restricted share units does the Lithium Americas (LAC) insider still beneficially own?

After the exercise of 13,286 restricted share units, the filing shows the insider beneficially owning 26,570 restricted share units, each representing a right to receive one common share.

What is the vesting schedule for the Lithium Americas (LAC) restricted share units mentioned?

The restricted share units were granted on 10/24/2023 and vest in five equal installments: 1/5 on each of October 24, 2023, 2024, 2025, 2026, and 2027.

What is the relationship of the reporting person to Lithium Americas (LAC)?

The reporting person is an officer of Lithium Americas, serving as Senior Vice President, General Counsel and Secretary, and files individually as one reporting person.