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BARNUM AUBREE

Disclosed activity across 1 company

Tapewire entity
52597
SEC CIK
0002045589

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
LITHIUM AMERICAS CORP.LAC · Entity 4908VP, Human ResourcesApril 10, 2026April 14, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

LITHIUM AMERICAS CORP.

Report date April 10, 2026 · Filed April 14, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common SharesSEC Table I · non-derivativeDirect99,094 Ending reported balance After 2026-04-10 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2026-04-10 · Exercise / conversion · Acquired 15,673 · Balance 116,372

F1: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

Row 2 · 2026-04-10 · Tax withholding · Disposed 17,278 · Balance 99,094

Restricted Share UnitsSEC Table II · derivative / convertible securityDirect31,347 Reported balance After 2026-04-10 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2026-04-10 · Exercise / conversion · Disposed 15,673 · Balance 31,347

F1: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2: Represents grant of 47,020 RSUs on April 10, 2025, which vests 1/3 annually beginning in 2026.

Common SharesSEC Table I · non-derivativeIndirectHeld by spouse24 Reported balance Holding disclosure · report date 2026-04-10 · row 3 Holding and transaction disclosures are not merged.
1 source row

Row 3 · Balance 24

Filing footnotes · ownership attribution and instrument terms

F1: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2: Represents grant of 47,020 RSUs on April 10, 2025, which vests 1/3 annually beginning in 2026.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
April 10, 2026 Filed Apr 14, 2026 23:59 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 Exercise / conversionRestricted Share Units · Derivative 15,673 $0.00 $0.00
Disclosure

SEC source: 0000912282-26-000592 · form4.xml · derivative · entry 4

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,347

Underlying: Common Shares · 15,673 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: Represents grant of 47,020 RSUs on April 10, 2025, which vests 1/3 annually beginning in 2026.

F2 · derivative.expiration_date: Represents grant of 47,020 RSUs on April 10, 2025, which vests 1/3 annually beginning in 2026.

Read SEC document
April 10, 2026 Filed Apr 14, 2026 23:59 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 Tax withholdingCommon Shares 17,278 $4.17 $72,049.26
Disclosure

SEC source: 0000912282-26-000592 · form4.xml · nonDerivative · entry 2

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,094

Read SEC document
April 10, 2026 Filed Apr 14, 2026 23:59 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 Exercise / conversionCommon Shares 15,673 Not disclosed Not disclosed
Disclosure

SEC source: 0000912282-26-000592 · form4.xml · nonDerivative · entry 1

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,372

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

Read SEC document
February 12, 2026 Filed Mar 24, 2026 21:08 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 Tax withholdingCommon Shares 3,735 $4.54 $16,956.90
Disclosure

SEC source: 0000912282-26-000492 · form4.xml · nonDerivative · entry 2

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,699

Read SEC document
February 09, 2026 Filed Mar 24, 2026 21:08 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 GrantCommon Shares 8,548 $0.00 $0.00
Disclosure

SEC source: 0000912282-26-000492 · form4.xml · nonDerivative · entry 1

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,434

F1 · shares: Represents grant of performance share units on February 9, 2023, for which the board determined the performance criteria to be met on [February 9, 2026].

Read SEC document
January 29, 2026 Filed Feb 3, 2026 01:11 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 GrantRestricted Share Units · Derivative 26,199 $0.00 $0.00
Disclosure

SEC source: 0000912282-26-000231 · form4.xml · derivative · entry 3

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,199

Underlying: Common Shares · 26,199 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: Represents grant of RSUs on January 29, 2026, which vest 1/3 annually on the anniversary of the grant date, beginning in 2027.

F3 · derivative.expiration_date: Represents grant of RSUs on January 29, 2026, which vest 1/3 annually on the anniversary of the grant date, beginning in 2027.

Read SEC document
January 29, 2026 Filed Feb 3, 2026 01:11 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 GrantCommon Shares 25,613 $0.00 $0.00
Disclosure

SEC source: 0000912282-26-000231 · form4.xml · nonDerivative · entry 1

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,886

F1 · shares: Represents grant of short-term restricted share units which vest 100% 60 days from the grant date.

Read SEC document
January 23, 2026 Filed Jan 28, 2026 00:38 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 Exercise / conversionRestricted Share Units · Derivative 7,037 $0.00 $0.00
Disclosure

SEC source: 0000912282-26-000146 · form4.xml · derivative · entry 4

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,037

Underlying: Common Shares · 7,037 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: Represents grant of RSUs on January 23, 2024, which vests 1/3 annually beginning in 2025.

F2 · derivative.expiration_date: Represents grant of RSUs on January 23, 2024, which vests 1/3 annually beginning in 2025.

Read SEC document
January 23, 2026 Filed Jan 28, 2026 00:38 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 Tax withholdingCommon Shares 3,137 $6.47 $20,296.39
Disclosure

SEC source: 0000912282-26-000146 · form4.xml · nonDerivative · entry 2

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,273

Read SEC document
January 23, 2026 Filed Jan 28, 2026 00:38 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 Exercise / conversionCommon Shares 7,037 Not disclosed Not disclosed
Disclosure

SEC source: 0000912282-26-000146 · form4.xml · nonDerivative · entry 1

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,410

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

Read SEC document
November 14, 2025 Filed Nov 18, 2025 23:23 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 SaleCommon Shares 4,763 $4.50 $21,433.50
Disclosure

SEC source: 0000912282-25-001263 · form4.xml · nonDerivative · entry 3

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,373

Read SEC document
October 24, 2025 Filed Nov 18, 2025 23:23 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 Exercise / conversionRestricted Share Units · Derivative 11,417 $0.00 $0.00
Disclosure

SEC source: 0000912282-25-001263 · form4.xml · derivative · entry 4

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,834

Underlying: Common Shares · 11,417 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: Represents grant of RSUs on October 24, 2023, which vest as follows: 1/5 on October 24, 2023; 1/5 on October 24, 2024; 1/5 on October 24, 2025; 1/5 on October 24, 2026; and 1/5 on October 24, 2027. As of this date of this Form3, 34,251 unvested RSUs remain.

F1 · derivative.expiration_date: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

Read SEC document
October 24, 2025 Filed Nov 18, 2025 23:23 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 Exercise / conversionCommon Shares 11,417 $0.00 $0.00
Disclosure

SEC source: 0000912282-25-001263 · form4.xml · nonDerivative · entry 1

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,136

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
June 09, 2025 Filed Jun 11, 2025 16:27 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 Tax withholdingCommon Shares 17,014 $2.74 $46,618.36
Disclosure

SEC source: 0000912282-25-000641 · form4.xml · nonDerivative · entry 1

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,719

Read SEC document
April 15, 2025 Filed Apr 17, 2025 21:28 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 Tax withholdingCommon Shares 3,050 $2.75 $8,387.50
Disclosure

SEC source: 0000912282-25-000462 · form4.xml · nonDerivative · entry 1

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,733

Read SEC document
April 10, 2025 Filed Apr 15, 2025 00:42 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 GrantRestricted Share Units · Derivative 47,020 $0.00 $0.00
Disclosure

SEC source: 0000912282-25-000410 · form4.xml · derivative · entry 3

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,020

Underlying: Common Shares · 47,020 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: Represents grant of RSUs on April 10, 2025, which vest 1/3 annually beginning in 2026.

F3 · derivative.expiration_date: Represents grant of RSUs on April 10, 2025, which vest 1/3 annually beginning in 2026.

Read SEC document
April 10, 2025 Filed Apr 15, 2025 00:42 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 GrantCommon Shares 41,507 $0.00 $0.00
Disclosure

SEC source: 0000912282-25-000410 · form4.xml · nonDerivative · entry 1

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,783

F1 · shares: Represents grant of short-term restricted share units which vest 100% 60 days from the grant date.

Read SEC document
January 23, 2025 Filed Apr 15, 2025 00:39 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 Exercise / conversionRestricted Share Units · Derivative 7,037 $0.00 $0.00
Disclosure

SEC source: 0000912282-25-000408 · form4.xml · derivative · entry 3

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,074

Underlying: Common Shares · 7,037 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: Represents grant of RSUs on January 23, 2024, which vest 1/3 annually beginning in 2025.

F2 · derivative.expiration_date: Represents grant of RSUs on January 23, 2024, which vest 1/3 annually beginning in 2025.

Read SEC document
January 23, 2025 Filed Apr 15, 2025 00:39 UTC LITHIUM AMERICAS CORP. LAC · Entity 4908 Exercise / conversionCommon Shares 7,037 $0.00 $0.00
Disclosure

SEC source: 0000912282-25-000408 · form4.xml · nonDerivative · entry 1

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,276

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.