LAC Form 4: Director Michael J. Brown Acquires 1,000 Shares

Rhea-AI Filing Summary

Michael John Brown, a director of Lithium Americas Corp. (LAC), purchased 1,000 common shares on 09/05/2025 at $2.84 per share. After the transaction he beneficially owned 6,201 shares. The Form 4 was filed indicating the report was signed by an attorney-in-fact on 09/08/2025. The filing shows a direct purchase of common stock with no derivative transactions disclosed.

Insights

Financial Analyst

TL;DR: Director purchase of 1,000 shares at $2.84 is disclosed; size appears modest relative to institutional scales.

The Form 4 reports a straightforward open-market purchase by Director Michael John Brown of 1,000 common shares at $2.84 on 09/05/2025, resulting in 6,201 shares beneficially owned. The trade is direct and non-derivative, with no additional transactions or plans noted. For investors, the disclosure shows insider alignment but is small in absolute size and lacks context on intent or ongoing plans.

Corporate Governance Expert

TL;DR: Routine insider purchase reported correctly; filing conforms to Section 16 reporting requirements.

The document is a standard Section 16 Form 4 showing a director-level acquisition. It identifies the reporting person, relationship to the issuer, transaction date, amount, price, and resulting beneficial ownership. The form was executed by an attorney-in-fact and includes no derivative positions or additional disclosures. This is a routine governance disclosure with no material corporate governance change reported.

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

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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^*

BROWN MICHAEL JOHN

(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)
09/05/2025

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	09/05/2025		P		1,000	A	$2.84	6,201	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

Explanation of Responses:

	/s/ Tereza Fonda as attorney-in-fact for Michael J. Brown	09/08/2025
	** 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 insider transaction did Lithium Americas (LAC) disclose on this Form 4?

Director Michael John Brown purchased 1,000 common shares on 09/05/2025 at a price of $2.84 per share.

How many shares did Michael J. Brown own after the reported transaction?

He beneficially owned 6,201 common shares following the 09/05/2025 purchase.

Was the Form 4 filing signed directly by the reporting person?

No. The filing shows it was signed by Tereza Fonda as attorney-in-fact for Michael J. Brown on 09/08/2025.

Did the Form 4 report any derivative transactions for Michael J. Brown?

No derivative securities were reported. The filing lists only a non-derivative common share purchase.

What relationship does the reporting person have with Lithium Americas?

Michael John Brown is listed as a Director of Lithium Americas Corp.