Lithium Americas director reports 7,919 DSUs

LITHIUM AMERICAS CORP. director Fabiana Chubbs reported a derivative position involving 7,919 Deferred Share Units ("DSUs"), each representing the right to receive one common share.

Rhea-AI Filing Summary

LITHIUM AMERICAS CORP. director Fabiana Chubbs reported a derivative position involving 7,919 Deferred Share Units ("DSUs"), each representing the right to receive one common share. Following this transaction, she holds 113,731 DSUs tied to the company’s common shares.

The DSUs do not give her voting or dispositive rights over the underlying common shares until her service as a director ends. For U.S. participants, DSUs are settled automatically six months after termination, while for non-U.S. participants settlement occurs on the 20th business day after termination.

Insider Trade Summary

derivative: 7,919 shares

derivative 1 txn

Insider Chubbs Fabiana

Role Director

Type	Security	Shares	Price	Value
derivative	Deferred Share Units ("DSUs")	7,919	$0.00	$0.00

Holdings After Transaction: Deferred Share Units ("DSUs") — 113,731 contracts (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

DSUs reported: 7,919 DSUs DSUs held after transaction: 113,731 DSUs DSU-to-share ratio: 1 DSU : 1 common share

3 metrics

DSUs reported 7,919 DSUs Derivative transaction on 2026-04-13

DSUs held after transaction 113,731 DSUs Total DSUs following transaction

DSU-to-share ratio 1 DSU : 1 common share Each DSU represents one common share

Key Terms

Deferred Share Units, voting or dispositive rights, termination date, non-U.S. eligible participants

4 terms

Deferred Share Units financial

"Each DSU represents the right to receive one common share of the Issuer."

Deferred share units are promises that give an executive or director the right to receive company shares or their cash value at a future date, often when they retire or leave the company. Think of them as a paycheck held in a savings account that converts into stock later; they matter to investors because they tie pay to long-term performance, create potential future dilution of shares, and represent a delayed cash or share obligation the company must eventually fulfill.

voting or dispositive rights financial

"the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares"

termination date financial

"on the date that is 6 months following the Reporting Person's termination date"

Termination date is the specific calendar day when a contract, agreement, option or other legal arrangement stops being in effect and any remaining rights or obligations expire. For investors it matters because that date sets deadlines for exercising rights, receiving payments, closing positions or avoiding penalties—similar to the day a lease or warranty ends, after which parties no longer have the same protections or claims.

non-U.S. eligible participants financial

"Grants to non-U.S. eligible participants will be settled with no further action"

FAQ

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

What did LAC director Fabiana Chubbs report in this Form 4?

Fabiana Chubbs reported a derivative position involving 7,919 Deferred Share Units (DSUs) linked to Lithium Americas Corp. common shares. After this transaction, she holds 113,731 DSUs, which will convert into common shares only after her board service ends and settlement conditions are met.

What is a Deferred Share Unit (DSU) for Lithium Americas Corp. (LAC)?

A Deferred Share Unit (DSU) represents the right to receive one Lithium Americas Corp. common share in the future. DSU holders do not receive voting or dispositive rights until their service ends, when the DSUs are settled into shares under the plan’s timing rules.

When will LAC DSUs reported by Fabiana Chubbs be settled into shares?

The DSUs will be settled after Fabiana Chubbs’ service as a director ends. For U.S. participants, settlement occurs six months after termination, while for non-U.S. participants it occurs on the 20th business day following the termination date, with no further action required.

How many DSUs does Fabiana Chubbs hold in Lithium Americas Corp. (LAC) after this filing?

After the reported DSU transaction, Fabiana Chubbs holds 113,731 Deferred Share Units tied to Lithium Americas Corp. common shares. Each DSU represents a future right to one common share, subject to her termination of service and the plan’s automatic settlement schedule.

Do DSUs give immediate voting rights in Lithium Americas Corp. (LAC)?

DSUs do not provide immediate voting or dispositive rights over Lithium Americas Corp. common shares. These rights only arise when the underlying common shares are issued after the director’s termination of service and settlement of the DSUs according to the applicable plan rules.

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

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Accepted by SEC EDGAR 04/15/2026 - 04:51 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^*

Chubbs Fabiana

(Last) (First) (Middle)

C/O LITHIUM AMERICAS CORP.

5310 KIETZKE LANE, SUITE 200

(Street)

RENO NEVADA 89511

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/13/2026

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

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

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

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)	04/13/2026				7,919		(1)	(1)	Common Shares	7,919	$0	113,731	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 Fabiana Chubbs	04/15/2026
	** 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.
* Form 4: SEC 1474 (03-26)