ASPI

SEC source: 0001477932-25-006619 · form4.xml · nonDerivative · entry 2

Mann Paul Elliot · CIK 0001744816 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,450,378

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: 0001477932-25-006620 · form4.xml · derivative · entry 10

Ainscow Robert · CIK 0001951275 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 135,000 shares

Expires 2032-06-10

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.

F6 · derivative.exercise_date: These options vested in thirty-six equal installments beginning on the last day of month after the option's grant date. The option was granted on June, 10, 2022.

SEC source: 0001477932-25-006620 · form4.xml · derivative · entry 9

Ainscow Robert · CIK 0001951275 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12,000 shares

Expires 2032-04-04

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.

F5 · derivative.exercise_date: These options vested in a single installment 12 months after the grant date. The option was granted on April 4, 2022.

SEC source: 0001477932-25-006620 · form4.xml · derivative · entry 8

Ainscow Robert · CIK 0001951275 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 150,000 shares

Expires 2031-10-04

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: These options vested in thirty-six equal installments beginning on the last day of month after the option's grant date. The option was granted on October 4, 2021.

SEC source: 0001477932-25-006620 · form4.xml · nonDerivative · entry 7

Ainscow Robert · CIK 0001951275 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,669,693

F3 · kind: Represents shares withheld by the Company in connection with net share settlement to satisfy the exercise price associated with the reporting person's exercise of employee stock options. No shares were sold by the reporting person to satisfy the exercise price or any tax liability.

SEC source: 0001477932-25-006620 · form4.xml · nonDerivative · entry 6

Ainscow Robert · CIK 0001951275 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,701,345

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: 0001477932-25-006620 · form4.xml · nonDerivative · entry 5

Ainscow Robert · CIK 0001951275 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,566,345

F3 · kind: Represents shares withheld by the Company in connection with net share settlement to satisfy the exercise price associated with the reporting person's exercise of employee stock options. No shares were sold by the reporting person to satisfy the exercise price or any tax liability.

SEC source: 0001477932-25-006620 · form4.xml · nonDerivative · entry 4

Ainscow Robert · CIK 0001951275 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,569,158

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: 0001477932-25-006620 · form4.xml · nonDerivative · entry 3

Ainscow Robert · CIK 0001951275 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,557,158

F3 · kind: Represents shares withheld by the Company in connection with net share settlement to satisfy the exercise price associated with the reporting person's exercise of employee stock options. No shares were sold by the reporting person to satisfy the exercise price or any tax liability.

SEC source: 0001477932-25-006620 · form4.xml · nonDerivative · entry 2

Ainscow Robert · CIK 0001951275 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,564,554

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: 0001477932-25-006619 · form4.xml · nonDerivative · entry 1

Mann Paul Elliot · CIK 0001744816 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,234,378

F1 · kind: Represents "sell to cover" sales effected pursuant to a Rule 10b5-1 trading plan adopted by the filing person on June 9, 2025 to cover tax withholding obligations in connection with the vesting of restricted stock awards.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.135 to $8.575, inclusive. The reporting person undertakes to provide the Company, any stockholder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 2.

SEC source: 0001477932-25-006620 · form4.xml · nonDerivative · entry 1

Ainscow Robert · CIK 0001951275 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,411,554

F1 · kind: Represents "sell to cover" sales effected pursuant to a Rule 10b5-1 trading plan adopted by the filing person on June 9, 2025 to cover tax withholding obligations in connection with the vesting of restricted stock awards.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.31 to $8.79, inclusive. The reporting person undertakes to provide ASP Isotopes Inc. (the "Company"), any stockholder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 2.

SEC source: 0001477932-25-008686 · form4.xml · nonDerivative · entry 1

Hunter Ralph L. JR · CIK 0002088585 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,470

F1 · date: This award of common stock with a market value of $100,000 was made in accordance with the issuer's Non-Employee Director Compensation Policy in connection with the appointment of Mr. Hunter, Jr. to the board of directors effective September 6, 2025, as previously disclosed in the issuer's Form 8-K filed on September 8, 2025.

F1 · price: This award of common stock with a market value of $100,000 was made in accordance with the issuer's Non-Employee Director Compensation Policy in connection with the appointment of Mr. Hunter, Jr. to the board of directors effective September 6, 2025, as previously disclosed in the issuer's Form 8-K filed on September 8, 2025.

SEC source: 0001477932-25-006495 · form4.xml · nonDerivative · entry 1

Moore Duncan · CIK 0001888265 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 994,553

F1 · kind: The sale of shares reported in this Form 4 includes an amount for the purpose of satisfying the reporting person's income tax liabilities resulting from the vesting of a previously granted restricted stock award for 200,000 shares pursuant to an issuer equity incentive plan.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.95 to $10.20, inclusive. The reporting person undertakes to provide ASP Isotopes Inc. (the "Company"), any stockholder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 2.

SEC source: 0001477932-25-008684 · form4.xml · nonDerivative · entry 1

Ainscow Donald George · CIK 0002079961 · EVP, Gen Counsel, Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 500,000

F1 · date: This award of common stock was made in connection with the appointment of Mr. Ainscow as Executive Vice President, General Counsel and Secretary effective August 1, 2025, and shall vest (subject to compliance with applicable vesting conditions) in eight equal semi-annual installments over a four-year period beginning on the six-month anniversary of the grant date.

F1 · price: This award of common stock was made in connection with the appointment of Mr. Ainscow as Executive Vice President, General Counsel and Secretary effective August 1, 2025, and shall vest (subject to compliance with applicable vesting conditions) in eight equal semi-annual installments over a four-year period beginning on the six-month anniversary of the grant date.

SEC source: 0001477932-25-002833 · form4.xml · nonDerivative · entry 3

Mann Paul Elliot · CIK 0001744816 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,315,454

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Paul Mann dated December 13, 2024.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.25 to $6.02, inclusive. The reporting person undertakes to provide the Company, any stockholder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 4.

SEC source: 0001477932-25-002834 · form4.xml · nonDerivative · entry 3

Ainscow Robert · CIK 0001951275 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,419,992

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Robert Ainscow dated December 13, 2024.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.25 to $6.02, inclusive. The reporting person undertakes to provide the Company, any stockholder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 4.

SEC source: 0001477932-25-002833 · form4.xml · nonDerivative · entry 2

Mann Paul Elliot · CIK 0001744816 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,632,120

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Paul Mann dated December 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.26 to $5.70, inclusive. The reporting person undertakes to provide the Company, any stockholder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 3.

SEC source: 0001477932-25-002834 · form4.xml · nonDerivative · entry 2

Ainscow Robert · CIK 0001951275 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,486,660

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Robert Ainscow dated December 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.26 to $5.70, inclusive. The reporting person undertakes to provide the Company, any stockholder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 3.

SEC source: 0001477932-25-002833 · form4.xml · nonDerivative · entry 1

Mann Paul Elliot · CIK 0001744816 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,948,787

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Paul Mann dated December 13, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.48 to $6.70, inclusive. The reporting person undertakes to provide ASP Isotopes Inc. (the "Company"), any stockholder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 2.

SEC source: 0001477932-25-002834 · form4.xml · nonDerivative · entry 1

Ainscow Robert · CIK 0001951275 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,553,326

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Robert Ainscow dated December 13, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.48 to $6.70, inclusive. The reporting person undertakes to provide ASP Isotopes Inc. (the "Company"), any stockholder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 2.

SEC source: 0001477932-25-002717 · form4.xml · nonDerivative · entry 1

Kiessling Heather · CIK 0002026548 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 812,500

F1 · date: This award of common stock shall vest (subject to compliance with applicable vesting conditions) in semi-annual installments over a four-year period beginning on the grant date.

F1 · price: This award of common stock shall vest (subject to compliance with applicable vesting conditions) in semi-annual installments over a four-year period beginning on the grant date.

SEC source: 0001477932-25-002716 · form4.xml · nonDerivative · entry 1

Mann Paul Elliot · CIK 0001744816 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,265,454

F1 · date: This award of common stock was issued to the reporting person pursuant to his Employment Agreement dated October 4, 2021, as amended on December 20, 2022, and shall vest (subject to compliance with applicable vesting conditions) in four equal installments over a one-year period beginning on March 1, 2025.

F1 · price: This award of common stock was issued to the reporting person pursuant to his Employment Agreement dated October 4, 2021, as amended on December 20, 2022, and shall vest (subject to compliance with applicable vesting conditions) in four equal installments over a one-year period beginning on March 1, 2025.

SEC source: 0001477932-25-002718 · form4.xml · nonDerivative · entry 1

Ainscow Robert · CIK 0001951275 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,619,992

F1 · date: This award of common stock shall vest (subject to compliance with applicable vesting conditions) in semi-annual installments over a four-year period beginning on the grant date.

F1 · price: This award of common stock shall vest (subject to compliance with applicable vesting conditions) in semi-annual installments over a four-year period beginning on the grant date.

SEC source: 0001477932-24-008021 · form4.xml · nonDerivative · entry 2

Moore Duncan · CIK 0001888265 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,069,553

F2 · date: Annual award of common stock for service as an independent director of ASP Isotopes Inc.

F2 · price: Annual award of common stock for service as an independent director of ASP Isotopes Inc.

SEC source: 0001477932-24-008021 · form4.xml · nonDerivative · entry 1

Moore Duncan · CIK 0001888265 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 974,315

F1 · date: This award of common stock was issued in lieu of quarterly cash fees payable to the reporting person for service as an independent director of ASP Isotopes Inc.

F1 · price: This award of common stock was issued in lieu of quarterly cash fees payable to the reporting person for service as an independent director of ASP Isotopes Inc.

SEC source: 0001477932-25-001055 · form5.xml · nonDerivative · entry 1

Gorley Michael · CIK 0002012446 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 145,360

F1 · kind: Small acquisition eligible for deferred reporting pursuant to Rule 16a-6 under the Securities Exchange Act of 1934.

SEC source: 0001477932-24-007548 · form4.xml · nonDerivative · entry 1

Gorley Michael · CIK 0002012446 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 144,360

F1 · date: Annual award of common stock for service as an independent director of ASP Isotopes Inc.

F1 · price: Annual award of common stock for service as an independent director of ASP Isotopes Inc.

SEC source: 0001477932-24-007549 · form4.xml · nonDerivative · entry 1

Ryan Robert John Andrew · CIK 0002011790 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 614,624

F1 · date: Annual award of common stock for service as an independent director of ASP Isotopes Inc.

F1 · price: Annual award of common stock for service as an independent director of ASP Isotopes Inc.

SEC source: 0001477932-24-007551 · form4.xml · nonDerivative · entry 1

Wider Todd · CIK 0001642715 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 710,230

F1 · date: Annual award of common stock for service as an independent director of ASP Isotopes Inc.

F1 · price: Annual award of common stock for service as an independent director of ASP Isotopes Inc.

SEC source: 0001477932-24-007550 · form4.xml · nonDerivative · entry 1

Moore Duncan · CIK 0001888265 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 896,689

F1 · date: Annual award of common stock for service as an independent director of ASP Isotopes Inc.

F1 · price: Annual award of common stock for service as an independent director of ASP Isotopes Inc.

SEC source: 0000902664-24-005853 · ownership.xml · nonDerivative · entry 1

AK Jensen Investment Management Ltd · CIK 0001962663 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 6,746,874

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.93 to $3.075, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F2 · ownership.nature: The securities to which this filing relates are held directly by certain funds and accounts ("AK Jensen Funds") to which AK Jensen Investment Management Limited ("AK Jensen") serves as the investment manager. Anders K. Jensen ("Mr. Jensen") and Duncan P. Saville ("Mr. Saville") may be deemed to indirectly control AK Jensen. AK Jensen and Messrs. Jensen and Saville disclaim beneficial ownership of the Issuer's securities reported herein except to the extent of their pecuniary interest therein, if any.

SEC source: 0001477932-24-005649 · form4.xml · nonDerivative · entry 1

Mann Paul Elliot · CIK 0001744816 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,824,093

F1 · date: This award of common stock was issued to the reporting person pursuant to his Employment Agreement dated October 4, 2021, as amended on December 20, 2022, and shall vest (subject to compliance with applicable vesting conditions) in four equal installments over a one-year period beginning on March 1, 2024.

F1 · price: This award of common stock was issued to the reporting person pursuant to his Employment Agreement dated October 4, 2021, as amended on December 20, 2022, and shall vest (subject to compliance with applicable vesting conditions) in four equal installments over a one-year period beginning on March 1, 2024.

SEC source: 0001477932-24-005650 · form4.xml · nonDerivative · entry 1

Ainscow Robert · CIK 0001951275 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,219,992

F1 · date: This award of common stock shall vest (subject to compliance with applicable vesting conditions) in equal quarterly installments over a four-year period beginning on the grant date.

F1 · price: This award of common stock shall vest (subject to compliance with applicable vesting conditions) in equal quarterly installments over a four-year period beginning on the grant date.

SEC source: 0001477932-24-004880 · form4.xml · nonDerivative · entry 1

Gorley Michael · CIK 0002012446 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,838

F1 · date: This award of common stock was issued in lieu of a quarterly cash fee payable to the reporting person for service as an independent director of ASP Isotopes Inc.

F1 · price: This award of common stock was issued in lieu of a quarterly cash fee payable to the reporting person for service as an independent director of ASP Isotopes Inc.

SEC source: 0001477932-24-004881 · form4.xml · nonDerivative · entry 2

Wider Todd · CIK 0001642715 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 667,708

F1 · date: This award of common stock was issued in lieu of quarterly cash fees payable to the reporting person for service as an independent director of ASP Isotopes Inc.

F2 · price: Annual award of common stock for service as an independent director of ASP Isotopes Inc.

SEC source: 0001477932-24-004881 · form4.xml · nonDerivative · entry 1

Wider Todd · CIK 0001642715 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 572,470

F1 · date: This award of common stock was issued in lieu of quarterly cash fees payable to the reporting person for service as an independent director of ASP Isotopes Inc.

F1 · price: This award of common stock was issued in lieu of quarterly cash fees payable to the reporting person for service as an independent director of ASP Isotopes Inc.

SEC source: 0000902664-24-004969 · ownership.xml · nonDerivative · entry 2

AK Jensen Investment Management Ltd · CIK 0001962663 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 6,566,874

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.15 to $2.31, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F2 · ownership.nature: The securities to which this filing relates are held directly by certain funds and accounts ("AK Jensen Funds") to which AK Jensen Investment Management Limited ("AK Jensen") serves as the investment manager. Anders K. Jensen ("Mr. Jensen") and Duncan P. Saville ("Mr. Saville") may be deemed to indirectly control AK Jensen. AK Jensen and Messrs. Jensen and Saville disclaim beneficial ownership of the Issuer's securities reported herein except to the extent of their pecuniary interest therein, if any.

SEC source: 0000902664-24-004969 · ownership.xml · nonDerivative · entry 1

AK Jensen Investment Management Ltd · CIK 0001962663 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 6,646,874

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.39 to $2.53, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F2 · ownership.nature: The securities to which this filing relates are held directly by certain funds and accounts ("AK Jensen Funds") to which AK Jensen Investment Management Limited ("AK Jensen") serves as the investment manager. Anders K. Jensen ("Mr. Jensen") and Duncan P. Saville ("Mr. Saville") may be deemed to indirectly control AK Jensen. AK Jensen and Messrs. Jensen and Saville disclaim beneficial ownership of the Issuer's securities reported herein except to the extent of their pecuniary interest therein, if any.

SEC source: 0001477932-24-004208 · form4.xml · nonDerivative · entry 1

Mann Paul Elliot · CIK 0001744816 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,845,627

F1 · date: Represents shares of Common Stock purchased by the reporting person at the public offering price of $2.50 per share in connection with the issuer's underwritten public offering of Common Stock, which closed on July 15, 2024.

F1 · price: Represents shares of Common Stock purchased by the reporting person at the public offering price of $2.50 per share in connection with the issuer's underwritten public offering of Common Stock, which closed on July 15, 2024.

SEC source: 0001477932-24-004209 · form4.xml · nonDerivative · entry 1

Ainscow Robert · CIK 0001951275 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 919,992

F1 · date: Represents shares of Common Stock purchased by the reporting person at the public offering price of $2.50 per share in connection with the issuer's underwritten public offering of Common Stock, which closed on July 15, 2024.

F1 · price: Represents shares of Common Stock purchased by the reporting person at the public offering price of $2.50 per share in connection with the issuer's underwritten public offering of Common Stock, which closed on July 15, 2024.

SEC source: 0000902664-24-004664 · ownership.xml · nonDerivative · entry 3

AK Jensen Investment Management Ltd · CIK 0001962663 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 6,678,723

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.23 to $3.475, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.

F2 · ownership.nature: The securities to which this filing relates are held directly by certain funds and accounts ("AK Jensen Funds") to which AK Jensen Investment Management Limited ("AK Jensen") serves as the investment manager. Anders K. Jensen ("Mr. Jensen") and Duncan P. Saville ("Mr. Saville") may be deemed to indirectly control AK Jensen. AK Jensen and Messrs. Jensen and Saville disclaim beneficial ownership of the Issuer's securities reported herein except to the extent of their pecuniary interest therein, if any.

SEC source: 0000902664-24-004664 · ownership.xml · nonDerivative · entry 2

AK Jensen Investment Management Ltd · CIK 0001962663 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 6,616,874

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.015 to $3.085, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.

F2 · ownership.nature: The securities to which this filing relates are held directly by certain funds and accounts ("AK Jensen Funds") to which AK Jensen Investment Management Limited ("AK Jensen") serves as the investment manager. Anders K. Jensen ("Mr. Jensen") and Duncan P. Saville ("Mr. Saville") may be deemed to indirectly control AK Jensen. AK Jensen and Messrs. Jensen and Saville disclaim beneficial ownership of the Issuer's securities reported herein except to the extent of their pecuniary interest therein, if any.

SEC source: 0000902664-24-004664 · ownership.xml · nonDerivative · entry 1

AK Jensen Investment Management Ltd · CIK 0001962663 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 6,586,874

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.98 to $3.17, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.

F2 · ownership.nature: The securities to which this filing relates are held directly by certain funds and accounts ("AK Jensen Funds") to which AK Jensen Investment Management Limited ("AK Jensen") serves as the investment manager. Anders K. Jensen ("Mr. Jensen") and Duncan P. Saville ("Mr. Saville") may be deemed to indirectly control AK Jensen. AK Jensen and Messrs. Jensen and Saville disclaim beneficial ownership of the Issuer's securities reported herein except to the extent of their pecuniary interest therein, if any.

SEC source: 0001477932-24-004011 · form4.xml · nonDerivative · entry 1

Kiessling Heather · CIK 0002026548 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 412,500

F1 · date: This award of common stock was made in connection with the appointment of Ms. Kiessling as chief financial officer effective July 1, 2024, and shall vest (subject to compliance with applicable vesting conditions) in eight equal semi-annual installments over a four-year period beginning on the six-month anniversary of the grant date, as previously disclosed in the issuer's Form 8-K filed on June 13, 2024.

F1 · price: This award of common stock was made in connection with the appointment of Ms. Kiessling as chief financial officer effective July 1, 2024, and shall vest (subject to compliance with applicable vesting conditions) in eight equal semi-annual installments over a four-year period beginning on the six-month anniversary of the grant date, as previously disclosed in the issuer's Form 8-K filed on June 13, 2024.

SEC source: 0001477932-25-001054 · form5.xml · nonDerivative · entry 1

Ryan Robert John Andrew · CIK 0002011790 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 615,674

F1 · kind: Small acquisition eligible for deferred reporting pursuant to Rule 16a-6 under the Securities Exchange Act of 1934.

SEC source: 0001477932-24-002454 · form4.xml · nonDerivative · entry 4

Ryan Robert John Andrew · CIK 0002011790 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 572,102

F1 · price: Open market purchase transactions.

SEC source: 0001477932-24-002454 · form4.xml · nonDerivative · entry 3

Ryan Robert John Andrew · CIK 0002011790 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 564,602

F1 · price: Open market purchase transactions.

SEC source: 0001477932-24-002454 · form4.xml · nonDerivative · entry 2

Ryan Robert John Andrew · CIK 0002011790 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 559,602

F1 · price: Open market purchase transactions.

SEC source: 0001477932-24-002454 · form4.xml · nonDerivative · entry 1

Ryan Robert John Andrew · CIK 0002011790 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 555,868

F1 · price: Open market purchase transactions.