Lithium Americas (LAC) director reports 8,100 DSUs, holds 121,831 total

Rhea-AI Filing Summary

Lithium Americas Corp. director Fabiana Chubbs reported a derivative transaction involving 8,100 Deferred Share Units (DSUs), each tied to one common share. Following this activity, she holds 121,831 DSUs directly. These DSUs convert into common shares only after her service as a director ends.

The footnote explains that DSUs provide no voting or dispositive rights over the underlying common shares until termination of employment or board service. Settlement for U.S. participants occurs six months after termination, while non-U.S. participants receive shares on the 20th business day following termination.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Chubbs Fabiana

Role null

Type	Security	Shares	Price	Value
NULL	Deferred Share Units ("DSUs")	8,100	$0.00	--

Holdings After Transaction: Deferred Share Units ("DSUs") — 121,831 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

DSUs transacted: 8,100 DSUs DSUs after transaction: 121,831 DSUs Underlying common shares per DSU: 1 common share per DSU +2 more

5 metrics

DSUs transacted 8,100 DSUs Derivative transaction on 2026-07-06

DSUs after transaction 121,831 DSUs Total Deferred Share Units directly held following reported activity

Underlying common shares per DSU 1 common share per DSU Each DSU represents the right to receive one common share

U.S. DSU settlement timing 6 months after termination For U.S. eligible participants per plan terms

Non-U.S. DSU settlement timing 20th business day after termination For non-U.S. eligible participants per plan terms

Key Terms

Deferred Share Units ("DSUs"), voting or dispositive rights, underlying common shares, termination of the Reporting Person's employment or services, +2 more

6 terms

Deferred Share Units ("DSUs") financial

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

voting or dispositive rights financial

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

underlying common shares financial

"with respect to the underlying common shares, until termination of the Reporting Person's employment or services"

termination of the Reporting Person's employment or services financial

"until termination of the Reporting Person's employment or services as a director of the Issuer."

U.S. eligible participants financial

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

non-U.S. eligible participants financial

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/08/2026 - 12:24 PM Accepted by SEC EDGAR 07/08/2026 - 12:24 PM Learn about SEC filing dates

FAQ

What insider activity did Fabiana Chubbs report at Lithium Americas (LAC)?

Fabiana Chubbs reported a derivative transaction involving 8,100 Deferred Share Units (DSUs) linked to Lithium Americas common shares. After this transaction, she directly holds 121,831 DSUs, which will eventually settle into common shares when her service as a director ends, subject to plan terms.

How many Deferred Share Units does Fabiana Chubbs hold after this Form 4 for LAC?

After the reported transaction, Fabiana Chubbs holds 121,831 Deferred Share Units (DSUs) at Lithium Americas. Each DSU represents the right to receive one common share after her board service ends, so this figure shows her total deferred equity interest rather than current voting ownership.

What is a Deferred Share Unit (DSU) in the Lithium Americas (LAC) filing?

A Deferred Share Unit (DSU) represents the right to receive one Lithium Americas common share in the future. According to the filing, DSUs provide no voting or dispositive rights until after the director’s employment or board service ends, when they are settled into actual shares under plan rules.

Do Lithium Americas DSUs give Fabiana Chubbs voting rights before settlement?

The DSUs do not give Fabiana Chubbs any voting or dispositive rights over underlying common shares before settlement. The filing states such rights arise only once her employment or director service ends and the DSUs are settled into shares according to the applicable participant rules.

When will Fabiana Chubbs’ Lithium Americas DSUs be settled into common shares?

The filing explains that U.S. participants’ DSUs settle six months after their termination date, while non-U.S. participants’ DSUs settle on the 20th business day following termination. Settlement occurs automatically with no further action required from the reporting person at those times.

What underlying security is linked to the DSUs in the Lithium Americas Form 4?

The DSUs reported by Fabiana Chubbs are linked to Lithium Americas common shares as the underlying security. Each DSU corresponds to one common share that will be issued only after her service as a director or employment ends, consistent with the plan’s deferred settlement terms.

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.

522 S. ROCK BLVD., SUITE 200

(Street)

RENO NEVADA 89502

(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)
07/06/2026

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)	07/06/2026				8,100		(1)	(1)	Common Shares	8,100	$0	121,831	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	07/07/2026
	** 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)