Barchas Isaac

SEC source: 0001808343-26-000010 · form4-08122026_090856.xml · nonDerivative · entry 3

Barchas Isaac · CIK 0001808343 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 92,211

F5 · kind: The reported sale of these shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 31, 2026.

SEC source: 0001808343-26-000010 · form4-08122026_090856.xml · nonDerivative · entry 2

Barchas Isaac · CIK 0001808343 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: The reported sale of these shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by AMBHMC II LLC ("ABHMC") on March 31, 2026.

F4 · price: The weighted average sale price for the transaction report was $26.23, and the range of prices were between $26.00 and $26.48, inclusive. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

F3 · ownership.nature: ABHMC owns the shares of Issuer common stock. The Reporting Person is a managing member and holder of a power of attorney with the ability to exercise voting and investment power over the shares of Issuer common stock held by ABHMC. The Reporting Person disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares, if any. This report shall not be deemed an admission that Reporting Person is the beneficial owner of such shares.

SEC source: 0001808343-26-000010 · form4-08122026_090856.xml · nonDerivative · entry 1

Barchas Isaac · CIK 0001808343 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 62,291

F1 · kind: The reported sale of these shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by AMBHMC II LLC ("ABHMC") on March 31, 2026.

F2 · price: The weighted average sale price for the transaction report was $26.07, and the range of prices were between $26.005 and $26.14, inclusive. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

F3 · ownership.nature: ABHMC owns the shares of Issuer common stock. The Reporting Person is a managing member and holder of a power of attorney with the ability to exercise voting and investment power over the shares of Issuer common stock held by ABHMC. The Reporting Person disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares, if any. This report shall not be deemed an admission that Reporting Person is the beneficial owner of such shares.

SEC source: 0001808343-26-000009 · form4-08102026_040801.xml · nonDerivative · entry 2

Barchas Isaac · CIK 0001808343 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 72,416

F1 · kind: The reported sale of these shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by AMBHMC II LLC ("ABHMC") on March 31, 2026.

F4 · price: The weighted average sale price for the transaction report was $26.06, and the range of prices were between $26.00 and $26.25, inclusive. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

F3 · ownership.nature: ABHMC owns the shares of Issuer common stock. The Reporting Person is a managing member and holder of a power of attorney with the ability to exercise voting and investment power over the shares of Issuer common stock held by ABHMC. The Reporting Person disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares, if any. This report shall not be deemed an admission that Reporting Person is the beneficial owner of such shares.

SEC source: 0001808343-26-000009 · form4-08102026_040801.xml · nonDerivative · entry 1

Barchas Isaac · CIK 0001808343 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 87,664

F1 · kind: The reported sale of these shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by AMBHMC II LLC ("ABHMC") on March 31, 2026.

F2 · price: The weighted average sale price for the transaction report was $26.06, and the range of prices were between $26.00 and $26.3318, inclusive. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

F3 · ownership.nature: ABHMC owns the shares of Issuer common stock. The Reporting Person is a managing member and holder of a power of attorney with the ability to exercise voting and investment power over the shares of Issuer common stock held by ABHMC. The Reporting Person disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares, if any. This report shall not be deemed an admission that Reporting Person is the beneficial owner of such shares.

SEC source: 0001808343-26-000007 · form4-07072026_110744.xml · nonDerivative · entry 2

Barchas Isaac · CIK 0001808343 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 108,504

F1 · kind: The reported sale of these shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by AMBHMC II LLC ("ABHMC") on March 31, 2026.

F4 · price: The weighted average sale price for the transaction report was $24.20, and the range of prices were between $24.00 and $24.58, inclusive. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

F3 · ownership.nature: ABHMC owns the shares of Issuer common stock. The Reporting Person is a managing member and holder of a power of attorney with the ability to exercise voting and investment power over the shares of Issuer common stock held by ABHMC. The Reporting Person disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares, if any. This report shall not be deemed an admission that Reporting Person is the beneficial owner of such shares.

SEC source: 0001808343-26-000007 · form4-07072026_110744.xml · nonDerivative · entry 1

Barchas Isaac · CIK 0001808343 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 125,410

F1 · kind: The reported sale of these shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by AMBHMC II LLC ("ABHMC") on March 31, 2026.

F2 · price: The weighted average sale price for the transaction report was $24.11, and the range of prices were between $24.00 and $24.29, inclusive. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

F3 · ownership.nature: ABHMC owns the shares of Issuer common stock. The Reporting Person is a managing member and holder of a power of attorney with the ability to exercise voting and investment power over the shares of Issuer common stock held by ABHMC. The Reporting Person disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares, if any. This report shall not be deemed an admission that Reporting Person is the beneficial owner of such shares.

SEC source: 0001808343-26-000005 · form4-07032026_120754.xml · nonDerivative · entry 3

Barchas Isaac · CIK 0001808343 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 208,504

F1 · kind: The reported sale of these shares occurred automatically pursuant to Rule 10b5-1 trading plans adopted by ABHMC II LLC ("ABHMC") and Arsenal Bridge Venture II-B LLC ("ABV II-B"), each on March 31, 2026.

F8 · price: The weighted average sale price for the transaction report was $23.33, and the range of prices were between $23.03 and $23.67, inclusive. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

F7 · ownership.nature: ABHMC owns the shares of Issuer common stock. The Reporting Person is a managing member and holder of a power of attorney with the ability to exercise voting and investment power over the shares of Issuer common stock held by ABHMC. The Reporting Person disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares, if any. This report shall not be deemed an admission that Reporting Person is the beneficial owner of such shares.

SEC source: 0001808343-26-000005 · form4-07032026_120754.xml · nonDerivative · entry 2

Barchas Isaac · CIK 0001808343 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 232,839

F1 · kind: The reported sale of these shares occurred automatically pursuant to Rule 10b5-1 trading plans adopted by ABHMC II LLC ("ABHMC") and Arsenal Bridge Venture II-B LLC ("ABV II-B"), each on March 31, 2026.

F6 · price: The weighted average sale price for the transaction report was $22.35, and the range of prices were between $22.015 and $23.015, inclusive. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

F7 · ownership.nature: ABHMC owns the shares of Issuer common stock. The Reporting Person is a managing member and holder of a power of attorney with the ability to exercise voting and investment power over the shares of Issuer common stock held by ABHMC. The Reporting Person disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares, if any. This report shall not be deemed an admission that Reporting Person is the beneficial owner of such shares.

SEC source: 0001808343-26-000005 · form4-07032026_120754.xml · nonDerivative · entry 1

Barchas Isaac · CIK 0001808343 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnotes

Disclosed balance after: 308,504

F1 · kind: The reported sale of these shares occurred automatically pursuant to Rule 10b5-1 trading plans adopted by ABHMC II LLC ("ABHMC") and Arsenal Bridge Venture II-B LLC ("ABV II-B"), each on March 31, 2026.

F2 · shares: The shares were sold as follows: 100,000 shares were sold by ABHMC and 1,050 shares were sold ABV II-B.

F3 · price: The weighted average sale price for the transaction report was $21.12, and the range of prices were between $20.83 and $21.47, inclusive. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

F4 · ownership.nature: The shares of Issuer common stock held by the Reporting Person prior to the transaction reported herein reflect pro rata distributions in kind for no additional consideration, effected by each of Arsenal Bridge Venture II LLC ("ABV II") and ABV II-B to their respective members, including ABHMC, the managing member of ABV II and ABV II-B. The receipt of such shares by the Reporting Person constituted a change in form of ownership and, therefore, was not required to be reported pursuant to Section 16, including Rule 16a-13. Following this transaction, ABHMC owns the remaining 308,504 shares of Issuer common stock.

F5 · ownership.nature: The Reporting Person is a managing member and holder of a power of attorney with the ability to exercise voting and investment power over the shares of Issuer common stock held by ABHMC and is a co-founder and holder of a power of attorney with the ability to exercise voting and investment power over the shares of Issuer common stock held by ABV II-B. The Reporting Person disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares, if any. This report shall not be deemed an admission that Reporting Person is the beneficial owner of such shares.

SEC source: 0001808343-26-000002 · form4-06122026_090628.xml · derivative · entry 1

Barchas Isaac · CIK 0001808343 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,897

Underlying: Common Stock · 9,897 shares

Expires 2036-06-09

F1 · shares: Mr. Barchas has agreed to receive and hold for the benefit of Arsenal Bridge Ventures any securities granted to him for his service as a director on the Company's board of directors. As such, Mr. Barchas disclaims beneficial ownership of, and all right, title and interest in, the reported securities.

F2 · derivative.exercise_date: The option vests in four equal quarterly installments, commencing from June 10, 2026 until the one-year anniversary thereafter, occurring on the same day of each succeeding fiscal quarter, subject to Mr. Barchas' continuous service with the Company on each respective vesting date.

SEC source: 0001808343-25-000004 · form4-12232025_091227.xml · nonDerivative · entry 2

Barchas Isaac · CIK 0001808343 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,031,181

F1 · kind: The reported sale of these shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 23, 2024.

F6 · shares: The shares were sold as follows: 6,851 shares were sold by ABV II and 4,400 shares were sold by ABV II-B.

F7 · price: The weighted average sale price for the transaction report was $22.34, and the range of prices were between $22.31 and $22.38, inclusive. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

F8 · balance_after: Following this transaction, ABV II and ABV II-B own 1,238,282 shares of Issuer common stock and 792,899 shares of Issuer common stock, respectively.

F5 · ownership.nature: Mr. Barchas is a co-founder and holder of a power of attorney with the ability to exercise voting and investment power over the shares held by ABV II and ABV II-B. Mr. Barchas disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares, if any. This report shall not be deemed an admission that Mr. Barchas is the beneficial owner of such shares.

SEC source: 0001808343-25-000004 · form4-12232025_091227.xml · nonDerivative · entry 1

Barchas Isaac · CIK 0001808343 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnotes

Disclosed balance after: 2,042,432

F1 · kind: The reported sale of these shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 23, 2024.

F2 · shares: The shares were sold as follows: 226,480 shares were sold by Arsenal Bridge Venture II, LLC ("ABV II") and 145,469 shares were sold by Arsenal Bridge Venture II-B, LLC ("ABV II-B" and collectively with ABV II, the "ABV Entities").

F3 · price: The weighted average sale price for the transaction report was $21.72, and the range of prices were between $21.31 and $22.30, inclusive. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

F4 · balance_after: Following this transaction, ABV II and ABV II-B own 1,245,133 shares of Issuer common stock and 797,299 shares of Issuer common stock, respectively.

F5 · ownership.nature: Mr. Barchas is a co-founder and holder of a power of attorney with the ability to exercise voting and investment power over the shares held by ABV II and ABV II-B. Mr. Barchas disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares, if any. This report shall not be deemed an admission that Mr. Barchas is the beneficial owner of such shares.

SEC source: 0001415889-25-016982 · form4-06122025_080607.xml · derivative · entry 1

Barchas Isaac · CIK 0001808343 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,864

Underlying: Common Stock · 18,864 shares

Expires 2035-06-09

F1 · derivative.exercise_date: The option vests in four quarterly installments, commencing from June 10, 2025 until the one-year anniversary thereafter, occurring on the same day of each succeeding fiscal quarter, subject to the Reporting Person's continuous service with the Company on each respective vesting date.

SEC source: 0001415889-24-017516 · form4-06192024_120629.xml · derivative · entry 1

Barchas Isaac · CIK 0001808343 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,333

Underlying: Common Stock · 11,333 shares

Expires 2034-06-12

F1 · derivative.exercise_date: The options vest in 4 quarterly installments, commencing from June 13, 2024 until the one year anniversary thereafter, occurring on the same day of each succeeding fiscal quarter, subject to continued service with the Company on each respective vesting date.

SEC source: 0001209191-23-053984 · doc4.xml · derivative · entry 1

Barchas Isaac · CIK 0001808343 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,538

Underlying: Common Stock · 41,538 shares

Expires 2033-10-26

F1 · shares: Mr. Barchas waived the initial grant provided for under the Company's non-employee director compensation policy in effect on the date he joined the Company's board of directors pending the adoption of an amended and restated non-employee director compensation policy (the "New NED Compensation Policy"). On October 27, 2023, the compensation committee of the Company's board of directors adopted and approved the New NED Compensation Policy. The above reflects Mr. Barchas' initial grant under the New NED Compensation Policy.

F2 · derivative.exercise_date: The options vest in 12 quarterly installments over three years, commencing on October 2, 2023 and continuing thereafter on the same day of each succeeding fiscal quarter, subject to continued service with the Company on each respective vesting date.

SEC source: 0001213900-21-047499 · ownership.xml · derivative · entry 2

Barchas Isaac · CIK 0001808343 · Former Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A ordinary shares · 30,000 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.

F1 · derivative.exercise_price: On September 9, 2021, Sustainable Opportunities Acquisition Corp. (the former name of the Issuer), consummated its initial business combination (the "Business Combination") with DeepGreen Metals Inc. In connection with the Business Combination, each Class B ordinary share automatically converted into one common share on a one-for-one basis.

F1 · kind: On September 9, 2021, Sustainable Opportunities Acquisition Corp. (the former name of the Issuer), consummated its initial business combination (the "Business Combination") with DeepGreen Metals Inc. In connection with the Business Combination, each Class B ordinary share automatically converted into one common share on a one-for-one basis.

F1 · derivative.exercise_date: On September 9, 2021, Sustainable Opportunities Acquisition Corp. (the former name of the Issuer), consummated its initial business combination (the "Business Combination") with DeepGreen Metals Inc. In connection with the Business Combination, each Class B ordinary share automatically converted into one common share on a one-for-one basis.

F1 · derivative.expiration_date: On September 9, 2021, Sustainable Opportunities Acquisition Corp. (the former name of the Issuer), consummated its initial business combination (the "Business Combination") with DeepGreen Metals Inc. In connection with the Business Combination, each Class B ordinary share automatically converted into one common share on a one-for-one basis.

SEC source: 0001213900-21-047499 · ownership.xml · nonDerivative · entry 1

Barchas Isaac · CIK 0001808343 · Former Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

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 9, 2021, Sustainable Opportunities Acquisition Corp. (the former name of the Issuer), consummated its initial business combination (the "Business Combination") with DeepGreen Metals Inc. In connection with the Business Combination, each Class B ordinary share automatically converted into one common share on a one-for-one basis.

F1 · price: On September 9, 2021, Sustainable Opportunities Acquisition Corp. (the former name of the Issuer), consummated its initial business combination (the "Business Combination") with DeepGreen Metals Inc. In connection with the Business Combination, each Class B ordinary share automatically converted into one common share on a one-for-one basis.