PATEL SAMIR CHANDRAKANT

SEC source: 0000950170-25-053369 · ownership.xml · derivative · entry 1

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,000

Underlying: Common Stock · 18,000 shares

Expires 2035-04-09

F1 · derivative.exercise_date: The option was granted on April 10, 2025. The shares underlying the option are scheduled to vest over three years in equal monthly installments from March 18, 2025 through March 18, 2028, subject to continuous service.

SEC source: 0000950170-25-041496 · ownership.xml · derivative · entry 3

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,913

Underlying: Common Stock · 105,913 shares

Expires 2034-05-27

F4 · date: Stock option assumed in connection with the closing of the Merger, in exchange for an outstanding option to purchase shares of KTx pursuant to the terms and conditions of the Merger Agreement.

F2 · price: Pursuant to the terms of the Merger Agreement, as of the effective time of the Merger, each share of KTx common stock was converted into and became exchangeable for the right to receive 0.2016 shares of common stock of the Issuer (the "Exchange Ratio") and each outstanding option to purchase shares of KTx common stock, whether or not vested, was converted into an option to acquire shares of common stock of the Issuer, with necessary adjustments to the number of shares and exercise price to reflect the Exchange Ratio, on the same terms and conditions as were applicable immediately prior to the effective time of the Merger.

F5 · derivative.exercise_date: This option vests over four years beginning on the vesting commencement date of October 1, 2023, with 1/48th the shares underlying the option vesting at the end of each successive one-month period thereafter.

SEC source: 0000950170-25-041496 · ownership.xml · nonDerivative · entry 2

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 100,800

F1 · date: Shares issued upon closing of the transactions contemplated by the Agreement and Plan of Merger, dated as of November 7, 2024 (the "Merger Agreement"), by and among the Issuer, Aurora Merger Sub, Inc., a Delaware corporation and wholly-owned subsidiary of the Issuer, and Kalaris Tx, Inc. (previously named Kalaris Therapeutics, Inc.), a Delaware corporation ("KTx"), in exchange for outstanding shares of KTx pursuant to the terms and conditions of the Merger Agreement (such, transaction, the "Merger").

F2 · price: Pursuant to the terms of the Merger Agreement, as of the effective time of the Merger, each share of KTx common stock was converted into and became exchangeable for the right to receive 0.2016 shares of common stock of the Issuer (the "Exchange Ratio") and each outstanding option to purchase shares of KTx common stock, whether or not vested, was converted into an option to acquire shares of common stock of the Issuer, with necessary adjustments to the number of shares and exercise price to reflect the Exchange Ratio, on the same terms and conditions as were applicable immediately prior to the effective time of the Merger.

F3 · ownership.nature: These securities are held directly by S&S New Hampshire Trust (the "S&S Shares") for the benefit of the reporting person's children. The reporting person may be deemed to have beneficial ownership over the S&S Shares. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

SEC source: 0000950170-25-041496 · ownership.xml · nonDerivative · entry 1

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 252,000

F1 · date: Shares issued upon closing of the transactions contemplated by the Agreement and Plan of Merger, dated as of November 7, 2024 (the "Merger Agreement"), by and among the Issuer, Aurora Merger Sub, Inc., a Delaware corporation and wholly-owned subsidiary of the Issuer, and Kalaris Tx, Inc. (previously named Kalaris Therapeutics, Inc.), a Delaware corporation ("KTx"), in exchange for outstanding shares of KTx pursuant to the terms and conditions of the Merger Agreement (such, transaction, the "Merger").

F2 · price: Pursuant to the terms of the Merger Agreement, as of the effective time of the Merger, each share of KTx common stock was converted into and became exchangeable for the right to receive 0.2016 shares of common stock of the Issuer (the "Exchange Ratio") and each outstanding option to purchase shares of KTx common stock, whether or not vested, was converted into an option to acquire shares of common stock of the Issuer, with necessary adjustments to the number of shares and exercise price to reflect the Exchange Ratio, on the same terms and conditions as were applicable immediately prior to the effective time of the Merger.

SEC source: 0001104659-17-001232 · a4.xml · nonDerivative · entry 4

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,813

F2 · shares: Represents shares automatically sold pursuant to the prespecified terms of the applicable Restricted Stock Unit Agreement to satisfy the reporting person's minimum statutory withholding obligations with respect to the income recognized by the reporting person upon the vesting of the restricted stock units on January 4, 2017.

F3 · price: These shares were disposed of in multiple transactions on January 5, 2017 at actual sales prices ranging from $4.90 to $5.04 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by the staff of the Securities Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001104659-17-001232 · a4.xml · nonDerivative · entry 3

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,628

F2 · shares: Represents shares automatically sold pursuant to the prespecified terms of the applicable Restricted Stock Unit Agreement to satisfy the reporting person's minimum statutory withholding obligations with respect to the income recognized by the reporting person upon the vesting of the restricted stock units on January 4, 2017.

F3 · price: These shares were disposed of in multiple transactions on January 5, 2017 at actual sales prices ranging from $4.90 to $5.04 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by the staff of the Securities Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001104659-17-001232 · a4.xml · derivative · entry 6

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,975

Underlying: Common Stock · 1,325 shares

Expires 2026-01-03

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: Restricted stock units converted into common stock on a one-for-one basis upon vesting of the units.

F5 · derivative.exercise_date: On January 4, 2016, the reporting person was granted an award of 5,300 restricted stock units, which vests with respect to 25% of the shares subject to the award on each of the first, second, third and fourth anniversaries of the grant date, subject to continued employment with the issuer and the other terms and conditions under the issuer's 2013 Stock Incentive Plan.

SEC source: 0001104659-17-001232 · a4.xml · derivative · entry 5

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,775

Underlying: Common Stock · 4,925 shares

Expires 2026-01-03

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: Restricted stock units converted into common stock on a one-for-one basis upon vesting of the units.

F4 · derivative.exercise_date: On January 4, 2016, the reporting person was granted an award of 19,700 restricted stock units, which vests with respect to 25% of the shares subject to the award on each of the first, second, third and fourth anniversaries of the grant date, subject to continued employment with the issuer and the other terms and conditions under the issuer's 2013 Stock Incentive Plan.

SEC source: 0001104659-17-001232 · a4.xml · nonDerivative · entry 2

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,657

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: Restricted stock units converted into common stock on a one-for-one basis upon vesting of the units.

SEC source: 0001104659-17-001232 · a4.xml · nonDerivative · entry 1

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,332

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: Restricted stock units converted into common stock on a one-for-one basis upon vesting of the units.

SEC source: 0001104659-17-000648 · a4.xml · nonDerivative · entry 2

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,407

F2 · shares: Represents shares automatically sold pursuant to the prespecified terms of the applicable Restricted Stock Unit Agreement to satisfy the reporting person's minimum statutory withholding obligations with respect to the income recognized by the reporting person upon the vesting of the restricted stock units on January 2, 2017.

F3 · price: These shares were disposed of in multiple transactions on January 3, 2017 at actual sales prices ranging from $4.85 to $4.98 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by the staff of the Securities Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001104659-17-000648 · a4.xml · derivative · entry 3

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,750

Underlying: Common Stock · 4,875 shares

Expires 2025-01-01

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: Restricted stock units converted into common stock on a one-for-one basis upon vesting of the units

F4 · derivative.exercise_date: On January 2, 2015, the reporting person was granted an award of 19,500 restricted stock units, which vests with respect to 25% of the shares subject to the award on each of the first, second, third and fourth anniversaries of the grant date, subject to continued employment with the issuer and the other terms and conditions under the issuer's 2013 Stock Incentive Plan.

SEC source: 0001104659-17-000648 · a4.xml · nonDerivative · entry 1

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,406

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: Restricted stock units converted into common stock on a one-for-one basis upon vesting of the units

SEC source: 0001104659-16-148308 · a4.xml · nonDerivative · entry 4

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,531

F1 · kind: The sales reported on this form were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 4, 2015.

F5 · price: These shares were disposed of in multiple transactions on September 29, 2016 at actual sales prices ranging from $56.61 to $57.53 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by the staff of the Securities Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001104659-16-148308 · a4.xml · nonDerivative · entry 3

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,531

F1 · kind: The sales reported on this form were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 4, 2015.

F4 · price: These shares were disposed of in multiple transactions on September 29, 2016 at actual sales prices ranging from $55.47 to $56.23 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by the staff of the Securities Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001104659-16-148308 · a4.xml · nonDerivative · entry 2

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,627

F1 · kind: The sales reported on this form were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 4, 2015.

F3 · price: These shares were disposed of in multiple transactions on September 29, 2016 at actual sales prices ranging from $54.47 to $55.46 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by the staff of the Securities Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001104659-16-148308 · a4.xml · nonDerivative · entry 1

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,239

F1 · kind: The sales reported on this form were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 4, 2015.

F2 · price: These shares were disposed of in multiple transactions on September 29, 2016 at actual sales prices ranging from $53.47 to $54.46 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by the staff of the Securities Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001104659-17-009360 · a5.xml · nonDerivative · entry 2

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,531

F2 · kind: Bona fide gift of securities to a trust, which is administered by an independent trustee, and is for the benefit of the reporting person's immediate and other family members.

SEC source: 0001104659-17-009360 · a5.xml · nonDerivative · entry 1

PATEL SAMIR CHANDRAKANT · CIK 0001277966 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,531

F1 · kind: Bona fide gift of securities to charity.