LAC insider sells 353,914 shares, buys 20,000; Form 4 filed

Lithium Americas (LAC) reported insider transactions by its VP, Resource Development, Alexi Illya Zawadzki.

Rhea-AI Filing Summary

Lithium Americas (LAC) reported insider transactions by its VP, Resource Development, Alexi Illya Zawadzki. On October 1, 2025, the officer sold 353,914 common shares at a weighted average price of $9.484 and purchased 20,000 shares at $9.5758.

The filing notes that, under Section 16(b), the 20,000-share purchase was matched against sales the same day, including 10,000 shares at $9.8325, 3,914 shares at $9.78, and 6,086 shares at $9.7520. The officer agreed to pay $4,428.60 to Lithium Americas, representing the short-swing profit, less transaction costs. The sale price was disclosed as a weighted average, with individual sale prices ranging from $9.2128 to $9.8325, and detailed breakdowns are available upon request.

Insider Trade Summary

Net Seller: 333,914 shares

Net Sell 2 txns

Insider ZAWADZKI ALEXI ILLYA

Role VP, Resource Development

Bought 20,000 shs ($192K)

Sold 353,914 shs ($3.36M)

Type	Security	Shares	Price	Value
Sale	Common Shares	353,914	$9.484	$3.36M
Purchase	Common Shares	20,000	$9.5758	$192K

Holdings After Transaction: Common Shares — 60,005 shares (Direct)

Footnotes (2)

1. F1. The Reporting Person's sale of LAC common shares reported herein was matchable under Section 16(b) of the Securities Exchange Act of 1934, to the extent of 20,000 common shares, with the Reporting Person's purchase of 20,000 LAC common shares at a price of $9.5758 on October 1, 2025. The matching sales consisted of 10,000 common shares sold at $9.8325, 3,914 common shares sold at $9.78, and 6,086 common shares sold at $9.7520. The Reporting Person has agreed to pay to Lithium Americas Corp., upon settlement of the sale, $4,428.60, representing the full amount of the profit realized in connection with the short-swing transaction, less transaction costs.
2. F2. The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.2128 to $9.8325, inclusive. The Reporting Person undertakes to provide to Lithium Americas Corp., any security holder of Lithium Americas Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

FAQ

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

What insider transactions were reported for LAC?

Sale of 353,914 common shares at a weighted average $9.484 and a purchase of 20,000 shares at $9.5758 on October 1, 2025.

Who made the transactions disclosed by LAC?

Alexi Illya Zawadzki, VP, Resource Development at Lithium Americas.

What is the Section 16(b) short-swing profit amount repaid?

The officer agreed to pay $4,428.60 to Lithium Americas, representing the short-swing profit, less transaction costs.

What were the specific matched sales under Section 16(b)?

Matched against the 20,000-share purchase were sales of 10,000 at $9.8325, 3,914 at $9.78, and 6,086 at $9.7520.

What price range did the sales cover?

The weighted-average sale price was $9.484, with individual trades ranging from $9.2128 to $9.8325.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 10/03/2025 - 05:40 PM 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^*

ZAWADZKI ALEXI ILLYA

(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)
	VP, Resource Development

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2025

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	10/01/2025		S(1)		353,914	D	$9.484(2)	40,005	D
Common Shares	10/01/2025		P(1)		20,000	A	$9.5758	60,005	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:

1. The Reporting Person's sale of LAC common shares reported herein was matchable under Section 16(b) of the Securities Exchange Act of 1934, to the extent of 20,000 common shares, with the Reporting Person's purchase of 20,000 LAC common shares at a price of $9.5758 on October 1, 2025. The matching sales consisted of 10,000 common shares sold at $9.8325, 3,914 common shares sold at $9.78, and 6,086 common shares sold at $9.7520. The Reporting Person has agreed to pay to Lithium Americas Corp., upon settlement of the sale, $4,428.60, representing the full amount of the profit realized in connection with the short-swing transaction, less transaction costs.

2. The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.2128 to $9.8325, inclusive. The Reporting Person undertakes to provide to Lithium Americas Corp., any security holder of Lithium Americas Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

	/s/ Tereza Fonda as attorney-in-fact for Alexi Illya Zawadzki	10/03/2025
	** 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.