AKTX: Prudo-Chlebosz Raymond reports a stock award

By AlphaYouPublished Oct 16, 2026Form 4

Stocks in this disclosure

Reported activity

Prudo-Chlebosz Raymond

Reporting filer

Prudo-Chlebosz Raymond reports a stock award, not an open-market purchase or sale, in Akari Therapeutics Plc. Form 4 filed Oct 16, 2026 lists 4 entries.

Disclosed: Oct 16, 2026

Reported details

4 entries

All validated entries in this disclosure
Security	Owner	Date	Code	Action	Quantity	Price	Following holdings	Reporting delay	Filed terms and references
American Depositary Shares representing Ordinary Shares	Prudo-Chlebosz Raymond	2026-08-18	A	Grant or award	9072	7.899	73,621	59 days	Filed terms security Title: American Depositary Shares representing Ordinary Shares transaction Date: 2026-08-18 deemed Execution Date: transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Timeliness: transaction Shares: 9072 id: F1 id: F3 transaction Price Per Share: 7.899 transaction Acquired Disposed Code: A shares Owned Following Transaction: 73621 direct Or Indirect Ownership: D
American Depositary Shares representing Ordinary Shares	Prudo-Chlebosz Raymond	2026-10-05	A	Grant or award	3240	7.899	76,861	11 days	Filed terms security Title: American Depositary Shares representing Ordinary Shares transaction Date: 2026-10-05 deemed Execution Date: transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Timeliness: transaction Shares: 3240 id: F2 id: F3 transaction Price Per Share: 7.899 transaction Acquired Disposed Code: A shares Owned Following Transaction: 76861 direct Or Indirect Ownership: D
Stock Option (Right to Buy) (derivative)	Prudo-Chlebosz Raymond	2026-08-18	A	Grant or award	30000	0	30,000	59 days	Filed terms security Title: Stock Option (Right to Buy) conversion Or Exercise Price: 7.899 transaction Date: 2026-08-18 deemed Execution Date: transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Timeliness: transaction Shares: 30000 transaction Price Per Share: 0 transaction Acquired Disposed Code: A id: F4 expiration Date: 2036-08-18 underlying Security Title: American Depositary Shares representing Ordinary Shares underlying Security Shares: 30000 shares Owned Following Transaction: 30000 direct Or Indirect Ownership: D
Stock Option (Right to Buy) (derivative)	Prudo-Chlebosz Raymond	2026-08-18	A	Grant or award	15000	0	15,000	59 days	Filed terms security Title: Stock Option (Right to Buy) conversion Or Exercise Price: 7.899 transaction Date: 2026-08-18 deemed Execution Date: transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Timeliness: transaction Shares: 15000 transaction Price Per Share: 0 transaction Acquired Disposed Code: A id: F5 expiration Date: 2036-08-18 underlying Security Title: American Depositary Shares representing Ordinary Shares underlying Security Shares: 15000 shares Owned Following Transaction: 15000 direct Or Indirect Ownership: D

American Depositary Shares representing Ordinary Shares

Owner: Prudo-Chlebosz Raymond
Date: 2026-08-18
Code: A
Action: Grant or award
Quantity: 9072
Price: 7.899
Following holdings: 73,621
Reporting delay: 59 days
Filed terms and references: Filed terms
security Title: American Depositary Shares representing Ordinary Shares
transaction Date: 2026-08-18
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 9072
id: F1
id: F3
transaction Price Per Share: 7.899
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 73621
direct Or Indirect Ownership: D

American Depositary Shares representing Ordinary Shares

Owner: Prudo-Chlebosz Raymond
Date: 2026-10-05
Code: A
Action: Grant or award
Quantity: 3240
Price: 7.899
Following holdings: 76,861
Reporting delay: 11 days
Filed terms and references: Filed terms
security Title: American Depositary Shares representing Ordinary Shares
transaction Date: 2026-10-05
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 3240
id: F2
id: F3
transaction Price Per Share: 7.899
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 76861
direct Or Indirect Ownership: D

Stock Option (Right to Buy) (derivative)

Owner: Prudo-Chlebosz Raymond
Date: 2026-08-18
Code: A
Action: Grant or award
Quantity: 30000
Price: 0
Following holdings: 30,000
Reporting delay: 59 days
Filed terms and references: Filed terms
security Title: Stock Option (Right to Buy)
conversion Or Exercise Price: 7.899
transaction Date: 2026-08-18
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 30000
transaction Price Per Share: 0
transaction Acquired Disposed Code: A
id: F4
expiration Date: 2036-08-18
underlying Security Title: American Depositary Shares representing Ordinary Shares
underlying Security Shares: 30000
shares Owned Following Transaction: 30000
direct Or Indirect Ownership: D

Stock Option (Right to Buy) (derivative)

Owner: Prudo-Chlebosz Raymond
Date: 2026-08-18
Code: A
Action: Grant or award
Quantity: 15000
Price: 0
Following holdings: 15,000
Reporting delay: 59 days
Filed terms and references: Filed terms
security Title: Stock Option (Right to Buy)
conversion Or Exercise Price: 7.899
transaction Date: 2026-08-18
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 15000
transaction Price Per Share: 0
transaction Acquired Disposed Code: A
id: F5
expiration Date: 2036-08-18
underlying Security Title: American Depositary Shares representing Ordinary Shares
underlying Security Shares: 15000
shares Owned Following Transaction: 15000
direct Or Indirect Ownership: D

Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.
Prudo-Chlebosz Raymond: Director.
F1: These American Depositary Shares ("ADSs") represent restricted stock units ("RSUs"), with each such RSU representing the right to receive 80,000 ordinary shares with a par value of $0.000000005 per ordinary share. This RSU grant was approved by the Board of Directors of the Issuer on August 18, 2026, and is subject to forfeiture if shareholder approval of a proposed amendment to the Issuer's equity incentive plan to increase the number of shares reserved for issuance under the plan ("Shareholder Approval") is not obtained. The RSUs will vest in full on the date of Shareholder Approval.
F2: These ADSs represent RSUs, with each such RSU representing the right to receive 80,000 ordinary shares with a par value of $0.000000005 per ordinary share. This RSU grant was approved by the Board of Directors of the Issuer on October 5, 2026, and is subject to forfeiture if Shareholder Approval is not obtained. The RSUs will vest in full on the date of Shareholder Approval.
F3: This award of RSUs was granted in lieu of accrued but unpaid cash retainers payable to non-execute directors in accordance with the Issuer's remuneration policy.
F4: On August 18, 2026, the Reporting Person was granted an option to purchase 30,000 ADSs. This option grant is subject to forfeiture if Shareholder Approval is not obtained. The option will vest with respect to 4.17% for each one-month anniversary of August 18, 2026 that has elapsed before the date of Shareholder Approval. The remainder of the option grant will vest in equal, monthly installments beginning on the 18th day of the month subsequent to the month where Shareholder Approval was obtained until fully vested on the two-year anniversary of August 18, 2026, subject to the Reporting Person's continued service with the Issuer on each such vesting date.
F5: On August 18, 2026, the Reporting Person was granted an option to purchase 15,000 ADSs. This option grant is subject to forfeiture if Shareholder Approval is not obtained. Beginning on the date of Shareholder Approval, this option will vest with respect to 8.33% of the grant on the date of Shareholder Approval plus 8.33% for each one-month anniversary of August 18, 2026 that has elapsed before the date of Shareholder Approval. The remainder of the option grant will vest in equal, monthly installments beginning on the 18th day of the month subsequent to the month where Shareholder Approval was obtained until fully vested on the one-year anniversary of August 18, 2026, subject to the Reporting Person's continued service with the Issuer on each such vesting date.

Original sources

SEC ownership filing

Prepared automatically from public filing data. Report a correction.

Security

Owner

Date

Code

Action

Quantity

Price

Following holdings

Reporting delay

Filed terms and references

American Depositary Shares representing Ordinary Shares

Prudo-Chlebosz Raymond

2026-08-18

Grant or award

9072

7.899

73,621

59 days

Filed terms

security Title: American Depositary Shares representing Ordinary Shares
transaction Date: 2026-08-18
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 9072
id: F1
id: F3
transaction Price Per Share: 7.899
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 73621
direct Or Indirect Ownership: D

American Depositary Shares representing Ordinary Shares

Prudo-Chlebosz Raymond

2026-10-05

Grant or award

3240

7.899

76,861

11 days

Filed terms

security Title: American Depositary Shares representing Ordinary Shares
transaction Date: 2026-10-05
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 3240
id: F2
id: F3
transaction Price Per Share: 7.899
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 76861
direct Or Indirect Ownership: D

Stock Option (Right to Buy) (derivative)

Prudo-Chlebosz Raymond

2026-08-18

Grant or award

30000

30,000

59 days

Filed terms

security Title: Stock Option (Right to Buy)
conversion Or Exercise Price: 7.899
transaction Date: 2026-08-18
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 30000
transaction Price Per Share: 0
transaction Acquired Disposed Code: A
id: F4
expiration Date: 2036-08-18
underlying Security Title: American Depositary Shares representing Ordinary Shares
underlying Security Shares: 30000
shares Owned Following Transaction: 30000
direct Or Indirect Ownership: D

Stock Option (Right to Buy) (derivative)

Prudo-Chlebosz Raymond

2026-08-18

Grant or award

15000

15,000

59 days

Filed terms

security Title: Stock Option (Right to Buy)
conversion Or Exercise Price: 7.899
transaction Date: 2026-08-18
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 15000
transaction Price Per Share: 0
transaction Acquired Disposed Code: A
id: F5
expiration Date: 2036-08-18
underlying Security Title: American Depositary Shares representing Ordinary Shares
underlying Security Shares: 15000
shares Owned Following Transaction: 15000
direct Or Indirect Ownership: D

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.

Prudo-Chlebosz Raymond: Director.

F1: These American Depositary Shares ("ADSs") represent restricted stock units ("RSUs"), with each such RSU representing the right to receive 80,000 ordinary shares with a par value of $0.000000005 per ordinary share. This RSU grant was approved by the Board of Directors of the Issuer on August 18, 2026, and is subject to forfeiture if shareholder approval of a proposed amendment to the Issuer's equity incentive plan to increase the number of shares reserved for issuance under the plan ("Shareholder Approval") is not obtained. The RSUs will vest in full on the date of Shareholder Approval.

F2: These ADSs represent RSUs, with each such RSU representing the right to receive 80,000 ordinary shares with a par value of $0.000000005 per ordinary share. This RSU grant was approved by the Board of Directors of the Issuer on October 5, 2026, and is subject to forfeiture if Shareholder Approval is not obtained. The RSUs will vest in full on the date of Shareholder Approval.

F3: This award of RSUs was granted in lieu of accrued but unpaid cash retainers payable to non-execute directors in accordance with the Issuer's remuneration policy.

F4: On August 18, 2026, the Reporting Person was granted an option to purchase 30,000 ADSs. This option grant is subject to forfeiture if Shareholder Approval is not obtained. The option will vest with respect to 4.17% for each one-month anniversary of August 18, 2026 that has elapsed before the date of Shareholder Approval. The remainder of the option grant will vest in equal, monthly installments beginning on the 18th day of the month subsequent to the month where Shareholder Approval was obtained until fully vested on the two-year anniversary of August 18, 2026, subject to the Reporting Person's continued service with the Issuer on each such vesting date.

F5: On August 18, 2026, the Reporting Person was granted an option to purchase 15,000 ADSs. This option grant is subject to forfeiture if Shareholder Approval is not obtained. Beginning on the date of Shareholder Approval, this option will vest with respect to 8.33% of the grant on the date of Shareholder Approval plus 8.33% for each one-month anniversary of August 18, 2026 that has elapsed before the date of Shareholder Approval. The remainder of the option grant will vest in equal, monthly installments beginning on the 18th day of the month subsequent to the month where Shareholder Approval was obtained until fully vested on the one-year anniversary of August 18, 2026, subject to the Reporting Person's continued service with the Issuer on each such vesting date.