LAC CFO granted 39,183 RSUs and shares

LITHIUM AMERICAS CORP.

Rhea-AI Filing Summary

LITHIUM AMERICAS CORP. EVP & CFO Luke Colton reported equity compensation activity involving restricted share units and common shares. On April 10, 2026, he received 39,183 restricted share units, each representing a right to one common share. That same day, 39,183 common shares were acquired upon exercise of derivative securities, and 26,452 of those shares were withheld at $4.17 per share to cover tax obligations. After these transactions, Colton directly owned 50,285 common shares.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider COLTON LUKE

Role EVP & Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Restricted Share Units	39,183	$0.00	$0.00
Exercise	Common Shares	39,183	$0.00	$0.00
Exercise Price or Tax Liability	Common Shares	26,452	$4.17	$110K

Holdings After Transaction: Restricted Share Units — 78,367 contracts (Direct); Common Shares — 50,285 shares (Direct)

Footnotes (2)

1. F1. Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.
2. F2. Represents grant of 117,550 RSUs on April 10, 2025, which vest 1/3 annually on the anniversary of the grant date, beginning in 2026.

Key Figures

RSUs granted: 39,183 RSUs Common shares acquired: 39,183 shares Shares withheld for taxes: 26,452 shares +2 more

5 metrics

RSUs granted 39,183 RSUs Grant of restricted share units on April 10, 2026

Common shares acquired 39,183 shares Shares acquired via derivative exercise on April 10, 2026

Shares withheld for taxes 26,452 shares Tax-withholding disposition at $4.17 per share

Tax withholding price $4.17 per share Value applied to 26,452 withheld shares

Shares owned after transactions 50,285 shares Direct common share holdings following April 10, 2026 activity

Key Terms

Restricted Share Units, derivative security, tax-withholding disposition, contingent right

4 terms

Restricted Share Units financial

"Each restricted share unit ("RSU") represents a contingent right to receive one share"

Restricted share units (RSUs) are a promise from a company to give an employee or service provider actual shares or cash equal to the shares after certain conditions are met, typically staying with the company for a set time or hitting performance targets. Think of them like a time-locked gift card that becomes usable only after you’ve earned it. For investors, RSUs matter because they align employee incentives with company performance and can increase the number of shares outstanding over time, diluting existing ownership and affecting earnings per share.

derivative security financial

"Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

tax-withholding disposition financial

"Payment of exercise price or tax liability by delivering securities"

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

contingent right financial

"represents a contingent right to receive one share of the Issuer's common stock"

FAQ

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

What insider transaction did LAC EVP & CFO Luke Colton report?

Luke Colton reported equity compensation activity, not an open-market trade. He received 39,183 restricted share units and 39,183 common shares, with a portion of the shares withheld to satisfy tax obligations tied to the award.

How many restricted share units did the LAC CFO receive in this Form 4?

The filing shows a grant of 39,183 restricted share units to the LAC CFO. Each restricted share unit represents a contingent right to receive one common share of Lithium Americas when vesting and settlement conditions are satisfied.

Were any Lithium Americas (LAC) shares sold on the market in this Form 4?

The Form 4 does not show open-market sales. It records an equity award, the acquisition of 39,183 common shares from derivative exercise, and 26,452 shares withheld at $4.17 per share solely to cover tax liabilities.

How many LAC shares does the CFO own after these transactions?

After the reported transactions, the CFO directly owns 50,285 common shares of Lithium Americas. This figure reflects the net position following the equity award, share acquisition, and tax-related share withholding disclosed in the Form 4.

What does the tax-withholding disposition in the LAC Form 4 mean?

The tax-withholding disposition means 26,452 shares were withheld rather than sold on the market. These shares, valued at $4.17 each, were used to pay tax obligations arising from the vesting or settlement of the reported equity compensation.

Is the LAC CFO’s Form 4 transaction considered a buy or sell signal?

This Form 4 mainly reflects routine compensation and tax withholding, not a discretionary buy or sell. Shares were acquired through equity awards, and some were withheld for taxes, which typically carries limited informational value about management’s view of the stock.

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

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Accepted by SEC EDGAR 04/14/2026 - 08:03 PM EDT 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^*

COLTON LUKE

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/10/2026

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
Common Shares	04/10/2026		M		39,183	A	$0	76,737	D
Common Shares	04/10/2026		F		26,452	D	$4.17	50,285	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)	04/10/2026		A		39,183		(2)	(2)	Common Shares	39,183	$0	78,367	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 117,550 RSUs on April 10, 2025, which vest 1/3 annually on the anniversary of the grant date, beginning in 2026.

	/s/ Tereza Fonda as attorney-in-fact for Luke Colton	04/14/2026
	** 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)