[Form 4] LITHIUM AMERICAS CORP. Insider Trading Activity

Rhea-AI Filing Summary

Lithium Americas Corp. (LAC) reported insider equity transactions by its EVP, Capital Projects, on a Form 4. On October 24, 2025, 12,870 common shares were acquired through the settlement of restricted share units, bringing the executive’s direct holdings to 151,759 common shares. On November 14, 2025, the executive sold 6,118 common shares at $4.5 per share, leaving 145,641 common shares directly owned afterward.

The filing also shows related RSU activity. A block of 12,870 restricted share units was converted into common shares at an exercise price of $0, and 25,740 RSUs remained beneficially owned following the transaction. According to the disclosure, a prior RSU grant from October 24, 2023 vests in three equal installments over 2024, 2025, and 2026, and the filing states that 38,610 unvested RSUs are still outstanding.

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^*

GERSPACHER RICHARD

(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)
	EVP, Capital Projects

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		12,870	A	(1)	151,759	D
Common Shares	11/14/2025		S		6,118	D	$4.5	145,641	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			12,870	(2)	(2)	Common Shares	12,870	$0	25,740	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 vest as follows: 1/3 on October 24, 2024; 1/3 on October 24, 2025; and 1/3 on October 24, 2026. As of the date of this Form 3, 38,610 unvested RSUs remain.

	/s/ Tereza Fonda as attorney-in-fact for Richard Gerspacher	11/18/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transactions did Lithium Americas (LAC) report on this Form 4?

The EVP, Capital Projects of Lithium Americas Corp. (LAC) reported acquiring 12,870 common shares on October 24, 2025 through the settlement of restricted share units and selling 6,118 common shares on November 14, 2025 at $4.5 per share.

How many Lithium Americas (LAC) shares does the reporting person own after these transactions?

After the reported transactions, the EVP, Capital Projects directly owns 145,641 common shares of Lithium Americas Corp. as shown in the Form 4.

What happened to the restricted share units (RSUs) reported for Lithium Americas (LAC)?

On October 24, 2025, 12,870 restricted share units were converted into 12,870 common shares at an exercise price of $0, and the filing shows 25,740 RSUs remaining beneficially owned afterward.

What are the vesting terms of the RSUs mentioned for Lithium Americas (LAC)?

The filing states that RSUs granted on October 24, 2023 vest in three equal installments: one-third on October 24, 2024, one-third on October 24, 2025, and one-third on October 24, 2026.

How many unvested RSUs remain for the reporting person at Lithium Americas (LAC)?

According to the disclosure, there are 38,610 unvested restricted share units (RSUs) remaining for the EVP, Capital Projects.

What role does the reporting person hold at Lithium Americas (LAC)?

The reporting person is an officer of Lithium Americas Corp., serving as EVP, Capital Projects, and is filing as a single reporting person.