CRCL

SEC source: 0001876042-26-000271 · wk-form4_1789074349.xml · nonDerivative · entry 15

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: Plan reported

Ownership: Indirect · By Chestnut Trust

Disclosed balance after: 60,314

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F6 · price: These shares were sold in multiple transactions at prices ranging from $100.18 to $100.61, inclusive. The weighted average sale price was $100.34. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

F8 · ownership.nature: Represents shares of Class A common stock held through an irrevocable non-grantor trust, of which the Reporting Person's legal counsel is the sole trustee and the Reporting Person's child is the beneficiary. The Reporting Person disclaims beneficial ownership of the shares of Class A common stock.

SEC source: 0001876042-26-000271 · wk-form4_1789074349.xml · nonDerivative · entry 14

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: Plan reported

Ownership: Indirect · By Chestnut Trust

Disclosed balance after: 60,350

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F5 · price: These shares were sold in multiple transactions at prices ranging from $99.04 to $99.95, inclusive. The weighted average sale price was $99.40. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

F8 · ownership.nature: Represents shares of Class A common stock held through an irrevocable non-grantor trust, of which the Reporting Person's legal counsel is the sole trustee and the Reporting Person's child is the beneficiary. The Reporting Person disclaims beneficial ownership of the shares of Class A common stock.

SEC source: 0001876042-26-000271 · wk-form4_1789074349.xml · nonDerivative · entry 13

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: Plan reported

Ownership: Indirect · By Chestnut Trust

Disclosed balance after: 60,535

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F4 · price: These shares were sold in multiple transactions at prices ranging from $98.04 to $99.03, inclusive. The weighted average sale price was $98.50. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

F8 · ownership.nature: Represents shares of Class A common stock held through an irrevocable non-grantor trust, of which the Reporting Person's legal counsel is the sole trustee and the Reporting Person's child is the beneficiary. The Reporting Person disclaims beneficial ownership of the shares of Class A common stock.

SEC source: 0001876042-26-000271 · wk-form4_1789074349.xml · nonDerivative · entry 12

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: Plan reported

Ownership: Indirect · By Chestnut Trust

Disclosed balance after: 61,131

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F3 · price: These shares were sold in multiple transactions at prices ranging from $97.04 to $98.03, inclusive. The weighted average sale price was $97.68. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

F8 · ownership.nature: Represents shares of Class A common stock held through an irrevocable non-grantor trust, of which the Reporting Person's legal counsel is the sole trustee and the Reporting Person's child is the beneficiary. The Reporting Person disclaims beneficial ownership of the shares of Class A common stock.

SEC source: 0001876042-26-000271 · wk-form4_1789074349.xml · nonDerivative · entry 11

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: Plan reported

Ownership: Indirect · By Chestnut Trust

Disclosed balance after: 61,534

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F2 · price: These shares were sold in multiple transactions at prices ranging from $96.03 to $97.00, inclusive. The weighted average sale price was $96.50. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

F8 · ownership.nature: Represents shares of Class A common stock held through an irrevocable non-grantor trust, of which the Reporting Person's legal counsel is the sole trustee and the Reporting Person's child is the beneficiary. The Reporting Person disclaims beneficial ownership of the shares of Class A common stock.

SEC source: 0001876042-26-000271 · wk-form4_1789074349.xml · nonDerivative · entry 10

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: Plan reported

Ownership: Indirect · By Oak Trust

Disclosed balance after: 60,318

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F6 · price: These shares were sold in multiple transactions at prices ranging from $100.18 to $100.61, inclusive. The weighted average sale price was $100.34. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

F8 · ownership.nature: Represents shares of Class A common stock held through an irrevocable non-grantor trust, of which the Reporting Person's legal counsel is the sole trustee and the Reporting Person's child is the beneficiary. The Reporting Person disclaims beneficial ownership of the shares of Class A common stock.

SEC source: 0001876042-26-000271 · wk-form4_1789074349.xml · nonDerivative · entry 9

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: Plan reported

Ownership: Indirect · By Oak Trust

Disclosed balance after: 60,353

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F5 · price: These shares were sold in multiple transactions at prices ranging from $99.04 to $99.95, inclusive. The weighted average sale price was $99.40. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

F8 · ownership.nature: Represents shares of Class A common stock held through an irrevocable non-grantor trust, of which the Reporting Person's legal counsel is the sole trustee and the Reporting Person's child is the beneficiary. The Reporting Person disclaims beneficial ownership of the shares of Class A common stock.

SEC source: 0001876042-26-000271 · wk-form4_1789074349.xml · nonDerivative · entry 8

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: Plan reported

Ownership: Indirect · By Oak Trust

Disclosed balance after: 60,538

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F4 · price: These shares were sold in multiple transactions at prices ranging from $98.04 to $99.03, inclusive. The weighted average sale price was $98.50. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

F8 · ownership.nature: Represents shares of Class A common stock held through an irrevocable non-grantor trust, of which the Reporting Person's legal counsel is the sole trustee and the Reporting Person's child is the beneficiary. The Reporting Person disclaims beneficial ownership of the shares of Class A common stock.

SEC source: 0001876042-26-000271 · wk-form4_1789074349.xml · nonDerivative · entry 7

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: Plan reported

Ownership: Indirect · By Oak Trust

Disclosed balance after: 61,134

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F3 · price: These shares were sold in multiple transactions at prices ranging from $97.04 to $98.03, inclusive. The weighted average sale price was $97.68. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

F8 · ownership.nature: Represents shares of Class A common stock held through an irrevocable non-grantor trust, of which the Reporting Person's legal counsel is the sole trustee and the Reporting Person's child is the beneficiary. The Reporting Person disclaims beneficial ownership of the shares of Class A common stock.

SEC source: 0001876042-26-000271 · wk-form4_1789074349.xml · nonDerivative · entry 6

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: Plan reported

Ownership: Indirect · By Oak Trust

Disclosed balance after: 61,538

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F2 · price: These shares were sold in multiple transactions at prices ranging from $96.03 to $97.00, inclusive. The weighted average sale price was $96.50. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

F8 · ownership.nature: Represents shares of Class A common stock held through an irrevocable non-grantor trust, of which the Reporting Person's legal counsel is the sole trustee and the Reporting Person's child is the beneficiary. The Reporting Person disclaims beneficial ownership of the shares of Class A common stock.

SEC source: 0001876042-26-000271 · wk-form4_1789074349.xml · nonDerivative · entry 5

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 333,760

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F6 · price: These shares were sold in multiple transactions at prices ranging from $100.18 to $100.61, inclusive. The weighted average sale price was $100.34. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

F7 · balance_after: Represents 125,691 shares of Class A common stock held outright by the reporting person and 208,069 shares of Class A common stock issuable upon the vesting of restricted stock units.

SEC source: 0001876042-26-000271 · wk-form4_1789074349.xml · nonDerivative · entry 4

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 335,086

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F5 · price: These shares were sold in multiple transactions at prices ranging from $99.04 to $99.95, inclusive. The weighted average sale price was $99.40. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001876042-26-000271 · wk-form4_1789074349.xml · nonDerivative · entry 3

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 341,929

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F4 · price: These shares were sold in multiple transactions at prices ranging from $98.04 to $99.03, inclusive. The weighted average sale price was $98.50. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001876042-26-000271 · wk-form4_1789074349.xml · nonDerivative · entry 2

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 364,002

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F3 · price: These shares were sold in multiple transactions at prices ranging from $97.04 to $98.03, inclusive. The weighted average sale price was $97.68. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001876042-26-000271 · wk-form4_1789074349.xml · nonDerivative · entry 1

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 378,969

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F2 · price: These shares were sold in multiple transactions at prices ranging from $96.03 to $97.00, inclusive. The weighted average sale price was $96.50. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001876042-26-000269 · wk-form4_1788987696.xml · derivative · entry 5

Chandhok Nikhil · CIK 0002060495 · Chief Product & Tech. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 330,849

Underlying: Class A Common Stock · 23,333 shares

Expires 2032-02-04

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.

F4 · derivative.exercise_date: 1/4 of the shares of Class A Common stock subject to the option award vested upon the one-year anniversary following the vesting commencement date and the remaining portion vest in 36 successive equal monthly installments thereafter, in each case, subject to the Reporting Person's continued service relationship with Circle Internet Group, Inc. through each applicable vesting date.

SEC source: 0001876042-26-000269 · wk-form4_1788987696.xml · nonDerivative · entry 3

Chandhok Nikhil · CIK 0002060495 · Chief Product & Tech. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 722,480

F2 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F3 · balance_after: Represents 456,282 shares of Class A common stock held outright by the Reporting Person and 266,198 shares of Class A common stock issuable upon the vesting of restricted stock units.

SEC source: 0001876042-26-000269 · wk-form4_1788987696.xml · nonDerivative · entry 2

Chandhok Nikhil · CIK 0002060495 · Chief Product & Tech. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 749,146

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.

SEC source: 0001876042-26-000269 · wk-form4_1788987696.xml · derivative · entry 4

Chandhok Nikhil · CIK 0002060495 · Chief Product & Tech. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 354,182

Underlying: Class A Common Stock · 15,496 shares

Expires 2032-02-04

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 · kind: This transaction reflects the Reporting Person's exercise of options and acquisition of the underlying shares. The Reporting Person retained the shares acquired upon exercise to begin the applicable holding period for tax purposes.

F4 · derivative.exercise_date: 1/4 of the shares of Class A Common stock subject to the option award vested upon the one-year anniversary following the vesting commencement date and the remaining portion vest in 36 successive equal monthly installments thereafter, in each case, subject to the Reporting Person's continued service relationship with Circle Internet Group, Inc. through each applicable vesting date.

SEC source: 0001876042-26-000269 · wk-form4_1788987696.xml · nonDerivative · entry 1

Chandhok Nikhil · CIK 0002060495 · Chief Product & Tech. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 725,813

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 · kind: This transaction reflects the Reporting Person's exercise of options and acquisition of the underlying shares. The Reporting Person retained the shares acquired upon exercise to begin the applicable holding period for tax purposes.

SEC source: 0001876042-26-000261 · wk-form4_1788469534.xml · nonDerivative · entry 2

Razzaghi Hossein · CIK 0002083179 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 644,865

F2 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F3 · balance_after: Represents 425,000 shares of Class A common stock held outright by the reporting person and 219,865 shares of Class A common stock issuable upon the vesting of restricted stock units.

SEC source: 0001876042-26-000262 · wk-form4_1788469584.xml · nonDerivative · entry 4

Fox-Geen Jeremy · CIK 0001818008 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 308,291

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F3 · balance_after: Represents 39,564 shares of Class A common stock held outright by the reporting person and 268,727 shares of Class A common stock issuable upon the vesting of restricted stock units.

SEC source: 0001876042-26-000259 · wk-form4_1788469473.xml · nonDerivative · entry 2

Schulz Tamara L · CIK 0001874409 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 96,473

F2 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F3 · balance_after: Represents 18,948 shares of Class A common stock held outright by the reporting person and 77,525 shares of Class A common stock issuable upon the vesting of restricted stock units.

SEC source: 0001876042-26-000263 · wk-form4_1788469610.xml · nonDerivative · entry 1

Chandhok Nikhil · CIK 0002060495 · Chief Product & Tech. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 710,317

F1 · kind: The shares of Class A common stock were withheld to satisfy the Reporting Person's tax withholding obligation upon the vesting of restricted stock units.

F2 · balance_after: Represents 444,119 shares of Class A common stock held outright by the reporting person and 266,198 shares of Class A common stock issuable upon the vesting of restricted stock units.

SEC source: 0001876042-26-000261 · wk-form4_1788469534.xml · nonDerivative · entry 1

Razzaghi Hossein · CIK 0002083179 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 652,323

F1 · kind: The shares of Class A common stock were withheld to satisfy the Reporting Person's tax withholding obligation upon the vesting of restricted stock units.

SEC source: 0001876042-26-000262 · wk-form4_1788469584.xml · derivative · entry 5

Fox-Geen Jeremy · CIK 0001818008 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,085,606

Underlying: Class A Common Stock · 15,000 shares

Expires 2031-05-19

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.

F4 · derivative.exercise_date: 1/4 of the shares of Class A Common stock subject to the option award vested upon the one-year anniversary following the vesting commencement date and the remaining portion vest in 36 successive equal monthly installments thereafter, in each case, subject to the Reporting Person's continued service relationship with Circle Internet Group, Inc. through each applicable vesting date.

SEC source: 0001876042-26-000262 · wk-form4_1788469584.xml · nonDerivative · entry 3

Fox-Geen Jeremy · CIK 0001818008 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 316,411

F2 · kind: The shares of Class A common stock were withheld to satisfy the Reporting Person's tax withholding obligation upon the vesting of restricted stock units.

SEC source: 0001876042-26-000262 · wk-form4_1788469584.xml · nonDerivative · entry 2

Fox-Geen Jeremy · CIK 0001818008 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 323,837

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

SEC source: 0001876042-26-000262 · wk-form4_1788469584.xml · nonDerivative · entry 1

Fox-Geen Jeremy · CIK 0001818008 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 338,837

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.

SEC source: 0001876042-26-000259 · wk-form4_1788469473.xml · nonDerivative · entry 1

Schulz Tamara L · CIK 0001874409 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 97,667

F1 · kind: The shares of Class A common stock were withheld to satisfy the Reporting Person's tax withholding obligation upon the vesting of restricted stock units.

SEC source: 0001876042-26-000260 · wk-form4_1788469499.xml · nonDerivative · entry 1

Tarbert Heath · CIK 0002060670 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 475,199

F1 · kind: The shares of Class A common stock were withheld to satisfy the Reporting Person's tax withholding obligation upon the vesting of restricted stock units.

F2 · balance_after: Represents 87,976 shares of Class A common stock held outright by the reporting person and 387,223 shares of Class A common stock issuable upon the vesting of restricted stock units.

SEC source: 0001539940-26-000002 · wk-form4_1788469363.xml · derivative · entry 10

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,659,098

Underlying: Class B Common Stock · 8,404 shares

Expires not disclosed

F8 · derivative.exercise_price: Each share of Class B common stock is convertible into Class A common stock on a one-for-one basis at the option of the Reporting Person. In addition, each share of Class B common stock will convert automatically into Class A common stock on a one-for-one basis upon any transfer of such share, except for certain permitted transfers described in the Issuer's Amended and Restated Certificate of Incorporation. Shares of Class B common stock do not expire.

F9 · kind: The shares of Class B common stock were withheld to satisfy the Reporting Person's tax withholding obligation upon the vesting of restricted stock units.

F8 · derivative.exercise_date: Each share of Class B common stock is convertible into Class A common stock on a one-for-one basis at the option of the Reporting Person. In addition, each share of Class B common stock will convert automatically into Class A common stock on a one-for-one basis upon any transfer of such share, except for certain permitted transfers described in the Issuer's Amended and Restated Certificate of Incorporation. Shares of Class B common stock do not expire.

F8 · derivative.expiration_date: Each share of Class B common stock is convertible into Class A common stock on a one-for-one basis at the option of the Reporting Person. In addition, each share of Class B common stock will convert automatically into Class A common stock on a one-for-one basis upon any transfer of such share, except for certain permitted transfers described in the Issuer's Amended and Restated Certificate of Incorporation. Shares of Class B common stock do not expire.

SEC source: 0001539940-26-000002 · wk-form4_1788469363.xml · derivative · entry 9

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,667,502

Underlying: Class B Common Stock · 15,193 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.

F8 · derivative.exercise_price: Each share of Class B common stock is convertible into Class A common stock on a one-for-one basis at the option of the Reporting Person. In addition, each share of Class B common stock will convert automatically into Class A common stock on a one-for-one basis upon any transfer of such share, except for certain permitted transfers described in the Issuer's Amended and Restated Certificate of Incorporation. Shares of Class B common stock do not expire.

F8 · derivative.exercise_date: Each share of Class B common stock is convertible into Class A common stock on a one-for-one basis at the option of the Reporting Person. In addition, each share of Class B common stock will convert automatically into Class A common stock on a one-for-one basis upon any transfer of such share, except for certain permitted transfers described in the Issuer's Amended and Restated Certificate of Incorporation. Shares of Class B common stock do not expire.

F8 · derivative.expiration_date: Each share of Class B common stock is convertible into Class A common stock on a one-for-one basis at the option of the Reporting Person. In addition, each share of Class B common stock will convert automatically into Class A common stock on a one-for-one basis upon any transfer of such share, except for certain permitted transfers described in the Issuer's Amended and Restated Certificate of Incorporation. Shares of Class B common stock do not expire.

SEC source: 0001539940-26-000002 · wk-form4_1788469363.xml · derivative · entry 8

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 168,485

Underlying: Class A Common Stock · 6,017 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.

F4 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Class B common stock.

F7 · derivative.exercise_date: 1/4 of the shares subject to the Restricted Stock Units vest on January 1, 2026 and the remaining portion vest in 36 substantially equal monthly installments thereafter, in each case, subject to the Reporting Person's continued service relationship with Circle Internet Group, Inc. through each applicable vesting date.

F7 · derivative.expiration_date: 1/4 of the shares subject to the Restricted Stock Units vest on January 1, 2026 and the remaining portion vest in 36 substantially equal monthly installments thereafter, in each case, subject to the Reporting Person's continued service relationship with Circle Internet Group, Inc. through each applicable vesting date.

SEC source: 0001539940-26-000002 · wk-form4_1788469363.xml · derivative · entry 7

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107,875

Underlying: Class A Common Stock · 6,742 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.

F4 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Class B common stock.

F6 · derivative.exercise_date: The Restricted Stock Units vest in substantially equal monthly installments from July 1, 2025 through January 1, 2028, in each case, subject to the Reporting Person's continued service relationship with Circle Internet Group, Inc. through each applicable vesting date.

F6 · derivative.expiration_date: The Restricted Stock Units vest in substantially equal monthly installments from July 1, 2025 through January 1, 2028, in each case, subject to the Reporting Person's continued service relationship with Circle Internet Group, Inc. through each applicable vesting date.

SEC source: 0001539940-26-000002 · wk-form4_1788469363.xml · derivative · entry 6

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,737

Underlying: Class A Common Stock · 2,434 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.

F4 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Class B common stock.

F5 · derivative.exercise_date: The Restricted Stock Units vest in substantially equal monthly installments from July 1, 2025 through January 1, 2027, in each case, subject to the Reporting Person's continued service relationship with Circle Internet Group, Inc. through each applicable vesting date.

F5 · derivative.expiration_date: The Restricted Stock Units vest in substantially equal monthly installments from July 1, 2025 through January 1, 2027, in each case, subject to the Reporting Person's continued service relationship with Circle Internet Group, Inc. through each applicable vesting date.

SEC source: 0001539940-26-000002 · wk-form4_1788469363.xml · nonDerivative · entry 1

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 389,960

F1 · kind: The shares of Class A common stock were withheld to satisfy the Reporting Person's tax withholding obligation upon the vesting of restricted stock units.

F2 · balance_after: Represents 181,891 shares of Class A common stock held outright by the reporting person and 208,069 shares of Class A common stock issuable upon the vesting of restricted stock units.

SEC source: 0001876042-26-000258 · wk-form4_1788469397.xml · derivative · entry 4

Neville Patrick Sean · CIK 0002060511 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,015,909

Underlying: Class A Common Stock · 50,000 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.

F2 · derivative.exercise_price: Each share of Class B common stock is convertible into Class A common stock on a one-for-one basis at the option of the Reporting Person. In addition, each share of Class B common stock will convert automatically into Class A common stock on a one-for-one basis upon any transfer of such share, except for certain permitted transfers described in the Issuer's Amended and Restated Certificate of Incorporation. Shares of Class B common stock do not expire.

F1 · shares: On September 1, 2026, the Reporting Person converted 50,000 shares of Class B common stock into Class A common stock to facilitate a sale pursuant to a 10b5-1 trading plan.

F2 · price: Each share of Class B common stock is convertible into Class A common stock on a one-for-one basis at the option of the Reporting Person. In addition, each share of Class B common stock will convert automatically into Class A common stock on a one-for-one basis upon any transfer of such share, except for certain permitted transfers described in the Issuer's Amended and Restated Certificate of Incorporation. Shares of Class B common stock do not expire.

F1 · derivative.exercise_date: On September 1, 2026, the Reporting Person converted 50,000 shares of Class B common stock into Class A common stock to facilitate a sale pursuant to a 10b5-1 trading plan.

F1 · derivative.expiration_date: On September 1, 2026, the Reporting Person converted 50,000 shares of Class B common stock into Class A common stock to facilitate a sale pursuant to a 10b5-1 trading plan.

F2 · derivative.expiration_date: Each share of Class B common stock is convertible into Class A common stock on a one-for-one basis at the option of the Reporting Person. In addition, each share of Class B common stock will convert automatically into Class A common stock on a one-for-one basis upon any transfer of such share, except for certain permitted transfers described in the Issuer's Amended and Restated Certificate of Incorporation. Shares of Class B common stock do not expire.

SEC source: 0001876042-26-000258 · wk-form4_1788469397.xml · nonDerivative · entry 2

Neville Patrick Sean · CIK 0002060511 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,018

F1 · kind: On September 1, 2026, the Reporting Person converted 50,000 shares of Class B common stock into Class A common stock to facilitate a sale pursuant to a 10b5-1 trading plan.

F3 · price: These shares were sold in multiple transactions at prices ranging from $91.97 to $92.30, inclusive. The weighted average sale price was $92.09. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

F4 · balance_after: Represents 2,018 shares of Class A common stock issuable upon the vesting of restricted stock units.

SEC source: 0001876042-26-000258 · wk-form4_1788469397.xml · nonDerivative · entry 1

Neville Patrick Sean · CIK 0002060511 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 52,018

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 · kind: On September 1, 2026, the Reporting Person converted 50,000 shares of Class B common stock into Class A common stock to facilitate a sale pursuant to a 10b5-1 trading plan.

F2 · price: Each share of Class B common stock is convertible into Class A common stock on a one-for-one basis at the option of the Reporting Person. In addition, each share of Class B common stock will convert automatically into Class A common stock on a one-for-one basis upon any transfer of such share, except for certain permitted transfers described in the Issuer's Amended and Restated Certificate of Incorporation. Shares of Class B common stock do not expire.

SEC source: 0001876042-26-000257 · wk-form4_1787605270.xml · derivative · entry 3

Fox-Geen Jeremy · CIK 0001818008 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,100,606

Underlying: Class A Common Stock · 45,000 shares

Expires 2031-05-19

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.

F4 · derivative.exercise_date: 1/4 of the shares of Class A Common stock subject to the option award vested upon the one-year anniversary following the vesting commencement date and the remaining portion vest in 36 successive equal monthly installments thereafter, in each case, subject to the Reporting Person's continued service relationship with Circle Internet Group, Inc. through each applicable vesting date.

SEC source: 0001876042-26-000257 · wk-form4_1787605270.xml · nonDerivative · entry 2

Fox-Geen Jeremy · CIK 0001818008 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 323,837

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F2 · price: These shares were sold in multiple transactions at prices ranging from $90.00 to $90.02, inclusive. The weighted average sale price was $90.00. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

F3 · balance_after: Represents 39,564 shares of Class A common stock held outright by the reporting person and 284,273 shares of Class A common stock issuable upon the vesting of restricted stock units.

SEC source: 0001876042-26-000257 · wk-form4_1787605270.xml · nonDerivative · entry 1

Fox-Geen Jeremy · CIK 0001818008 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 368,837

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.

SEC source: 0001876042-26-000256 · wk-form4_1787346095.xml · nonDerivative · entry 1

BURNS M MICHELE · CIK 0001197664 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 327,226

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F2 · price: These shares were sold in multiple transactions at prices ranging from $85.04 to $85.22, inclusive. The weighted average sale price was $85.13. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

F3 · balance_after: Represents 325,208 shares of Class A common stock held outright by the Reporting Person and 2,018 shares of Class A common stock issuable upon the vesting of restricted stock units.

SEC source: 0001876042-26-000254 · wk-form4_1786741369.xml · nonDerivative · entry 1

Fox-Geen Jeremy · CIK 0001818008 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 323,837

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F2 · balance_after: Represents 39,564 shares of Class A common stock held outright by the reporting person and 284,273 shares of Class A common stock issuable upon the vesting of restricted stock units.

SEC source: 0001876042-26-000253 · wk-form4_1786568428.xml · derivative · entry 3

Chandhok Nikhil · CIK 0002060495 · Chief Product & Tech. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 369,678

Underlying: Class A Common Stock · 23,333 shares

Expires 2032-02-04

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.

F3 · derivative.exercise_date: 1/4 of the shares of Class A common stock subject to the option award vested upon the one-year anniversary following the vesting commencement date and the remaining portion vest in 36 successive equal monthly installments thereafter, in each case, subject to the Reporting Person's continued service relationship with Circle Internet Group, Inc. through each applicable vesting date.

SEC source: 0001876042-26-000253 · wk-form4_1786568428.xml · nonDerivative · entry 2

Chandhok Nikhil · CIK 0002060495 · Chief Product & Tech. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 717,920

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan

F2 · balance_after: Represents 436,808 shares of Class A common stock held outright by the Reporting Person and 281,112 shares of Class A common stock subject to outstanding restricted stock units.

SEC source: 0001876042-26-000253 · wk-form4_1786568428.xml · nonDerivative · entry 1

Chandhok Nikhil · CIK 0002060495 · Chief Product & Tech. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 744,586

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.

SEC source: 0001876042-26-000251 · wk-form4_1786136473.xml · nonDerivative · entry 1

Ostling Danita K · CIK 0001929125 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,608

F1 · price: These shares were sold in multiple transactions at prices ranging from $61.63 to $61.72, inclusive. The weighted average sale price was $61.65. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

F2 · balance_after: Represents 2,590 shares of Class A common stock held outright by the Reporting Person and 2,018 shares of Class A common stock issuable upon the vesting of restricted stock units.

SEC source: 0001876042-26-000250 · wk-form4_1786136429.xml · nonDerivative · entry 25

Allaire Jeremy · CIK 0001539940 · Director · Chairman and CEO

10b5-1 filing: Plan reported

Ownership: Indirect · By Spruce Trust

Disclosed balance after: 61,830

F1 · kind: The reported sale was made pursuant to a 10b5-1 trading plan.

F6 · price: These shares were sold in multiple transactions at prices ranging from $63.39 to $64.04, inclusive. The weighted average sale price was $63.66. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

F8 · ownership.nature: Represents shares of Class A common stock held through an irrevocable non-grantor trust, of which the Reporting Person's legal counsel is the sole trustee and the Reporting Person's child is the beneficiary. The Reporting Person disclaims beneficial ownership of the shares of Class A common stock.