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Huang Jack Jiajia

Disclosed activity across 1 company

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20931
SEC CIK
0002029760

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
51Talk Online Education GroupCOE · Entity 6826Director · Chief Executive Officer · 10% ownerSeptember 17, 2026October 08, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

51Talk Online Education Group

Report date September 17, 2026 · Filed October 08, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Ordinary Share, par value US$0.0001SEC Table I · non-derivativeIndirectBy HH Talent Limited38,427,300 Last balance in matching sequence After 2026-09-25 transaction · row 6 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
6 source rows

Row 1 · 2026-09-17 · Purchase · Acquired 304,020 · Balance 35,919,180

F1: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $10.90 to $11.50 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined below).

F3: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Row 2 · 2026-09-18 · Purchase · Acquired 1,920 · Balance 35,921,100

F1: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Row 3 · 2026-09-22 · Purchase · Acquired 378,420 · Balance 36,299,520

F1: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Row 4 · 2026-09-23 · Purchase · Acquired 897,300 · Balance 37,196,820

F1: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F4: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $11.40 to $11.50 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F3: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Row 5 · 2026-09-24 · Purchase · Acquired 2,880 · Balance 37,199,700

F1: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Row 6 · 2026-09-25 · Purchase · Acquired 1,227,600 · Balance 38,427,300

F1: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F5: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $11.485 to $11.50 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F3: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Class A Ordinary Share, par value US$0.0001SEC Table I · non-derivativeIndirectBy Spouse507,780 Last balance in matching sequence After 2026-10-02 transaction · row 9 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
2 source rows

Row 8 · 2026-10-01 · Exercise / conversion · Acquired 18,180 · Balance 511,800

F1: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F6: The reporting person disclaims beneficial ownership of the shares held by his spouse except to the extent of his pecuniary interest, if any, and this report should not be deemed an admission that the reporting person is the beneficial owner of the shares held by his spouse for purposes of Section 16 or for any other purpose.

Row 9 · 2026-10-02 · Tax withholding · Disposed 4,020 · Balance 507,780

F1: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F7: Represents Class A ordinary shares, in the form of ADS, sold pursuant to a mandatory, non-discretionary, sell-to-cover arrangement for the purpose of satisfying the income tax liabilities of the reporting person's spouse incurred upon vesting of restricted share units ("RSUs").

F6: The reporting person disclaims beneficial ownership of the shares held by his spouse except to the extent of his pecuniary interest, if any, and this report should not be deemed an admission that the reporting person is the beneficial owner of the shares held by his spouse for purposes of Section 16 or for any other purpose.

Restricted Share Units (RSUs)SEC Table II · derivative / convertible security · Expires 2035-07-01IndirectBy Spouse54,540 Reported balance After 2026-10-01 transaction · row 11 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 11 · 2026-10-01 · Exercise / conversion · Disposed 18,180 · Balance 54,540

F9: Represents RSU granted to the reporting person's spouse pursuant to the issuer's share incentive plans. Each RSU represents the contingent right to receive one (1) Class A ordinary share of the issuer upon vesting.

F10: The RSUs vested on October 1, 2026.

F11: The reporting person's spouse was granted 145,440 RSUs on July 10, 2026, of which 72,720 RSUs vested in full on the date of grant. The remaining 72,720 RSUs vest in four equal quarterly installments of 18,180 RSUs on October 1, 2026, January 1, 2027, April 1, 2027 and July 1, 2027, respectively. Following the vesting reported herein, 54,540 Class A ordinary shares remain subject to future vesting under this grant.

F6: The reporting person disclaims beneficial ownership of the shares held by his spouse except to the extent of his pecuniary interest, if any, and this report should not be deemed an admission that the reporting person is the beneficial owner of the shares held by his spouse for purposes of Section 16 or for any other purpose.

Class A Ordinary Share, par value US$0.0001SEC Table I · non-derivativeDirect7,297,560 Reported balance Holding disclosure · report date 2026-09-17 · row 7 Holding and transaction disclosures are not merged.
1 source row

Row 7 · Balance 7,297,560

F1: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

Class A Ordinary Share, par value US$0.0001SEC Table I · non-derivativeIndirectBy Dasheng Global Limited42,388,800 Reported balance Holding disclosure · report date 2026-09-17 · row 10 Holding and transaction disclosures are not merged.
1 source row

Row 10 · Balance 42,388,800

F1: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F8: Each of Dasheng Global Limited and Dasheng Online Limited is a British Virgin Islands company. The reporting person is the sole director of Dasheng Global Limited, and Ms. Ting Shu, who is the spouse of the reporting person, is the sole director of Dasheng Online Limited. Each of Dasheng Global Limited and Dasheng Online Limited is wholly beneficially owned by Dasheng International Holdings Limited, which is in turn wholly owned by TB Family Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of Dasheng International Holdings Limited. The settlors of TB Family Trust are reporting person and Ms. Ting Shu. The reporting person, Ms. Ting Shu and their family members are deemed to be beneficial owners of the shares directly held by Dasheng Global Limited and Dasheng Online Limited.

Filing footnotes · ownership attribution and instrument terms

F1: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $10.90 to $11.50 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined below).

F3: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

F4: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $11.40 to $11.50 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F5: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $11.485 to $11.50 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F6: The reporting person disclaims beneficial ownership of the shares held by his spouse except to the extent of his pecuniary interest, if any, and this report should not be deemed an admission that the reporting person is the beneficial owner of the shares held by his spouse for purposes of Section 16 or for any other purpose.

F7: Represents Class A ordinary shares, in the form of ADS, sold pursuant to a mandatory, non-discretionary, sell-to-cover arrangement for the purpose of satisfying the income tax liabilities of the reporting person's spouse incurred upon vesting of restricted share units ("RSUs").

F8: Each of Dasheng Global Limited and Dasheng Online Limited is a British Virgin Islands company. The reporting person is the sole director of Dasheng Global Limited, and Ms. Ting Shu, who is the spouse of the reporting person, is the sole director of Dasheng Online Limited. Each of Dasheng Global Limited and Dasheng Online Limited is wholly beneficially owned by Dasheng International Holdings Limited, which is in turn wholly owned by TB Family Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of Dasheng International Holdings Limited. The settlors of TB Family Trust are reporting person and Ms. Ting Shu. The reporting person, Ms. Ting Shu and their family members are deemed to be beneficial owners of the shares directly held by Dasheng Global Limited and Dasheng Online Limited.

F9: Represents RSU granted to the reporting person's spouse pursuant to the issuer's share incentive plans. Each RSU represents the contingent right to receive one (1) Class A ordinary share of the issuer upon vesting.

F10: The RSUs vested on October 1, 2026.

F11: The reporting person's spouse was granted 145,440 RSUs on July 10, 2026, of which 72,720 RSUs vested in full on the date of grant. The remaining 72,720 RSUs vest in four equal quarterly installments of 18,180 RSUs on October 1, 2026, January 1, 2027, April 1, 2027 and July 1, 2027, respectively. Following the vesting reported herein, 54,540 Class A ordinary shares remain subject to future vesting under this grant.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
May 18, 2026 Filed May 19, 2026 12:01 UTC 51Talk Online Education Group COE · Entity 6826 Exercise / conversionClass A Ordinary Share, par value US$0.0001 137,500 $0.00 $0.00
Disclosure

SEC source: 0001104659-26-063515 · tm2615052-1_4seq1.xml · nonDerivative · entry 1

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Dasheng Global Limited

Disclosed balance after: 41,976,300

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 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · ownership.nature: Each of Dasheng Global Limited and Dasheng Online Limited is a British Virgin Islands company. The reporting person is the sole director of Dasheng Global Limited, and Ms. Ting Shu, who is the spouse of the reporting person, is the sole director of Dasheng Online Limited. Each of Dasheng Global Limited and Dasheng Online Limited is wholly beneficially owned by Dasheng International Holdings Limited, which is in turn wholly owned by TB Family Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of Dasheng International Holdings Limited. The settlors of TB Family Trust are reporting person and Ms. Ting Shu. The reporting person, Ms. Ting Shu and their family members are deemed to be beneficial owners of the shares directly held by Dasheng Global Limited and Dasheng Online Limited.

Read SEC document
May 18, 2026 Filed May 26, 2026 11:29 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 22,440 $28.00 $628,320.00
Disclosure

SEC source: 0001104659-26-065999 · tm2615603-1_4seq1.xml · nonDerivative · entry 2

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 26,382,900

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F5 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $27.57 to $28.65 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
May 15, 2026 Filed May 26, 2026 11:29 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 47,280 $26.34 $1,245,355.20
Disclosure

SEC source: 0001104659-26-065999 · tm2615603-1_4seq1.xml · nonDerivative · entry 1

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 26,360,460

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F3 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $24.53 to $27.00 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined below).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
May 14, 2026 Filed May 19, 2026 12:01 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 30,000 $25.22 $756,600.00
Disclosure

SEC source: 0001104659-26-063515 · tm2615052-1_4seq1.xml · nonDerivative · entry 5

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 26,313,180

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F8 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $25.01 to $25.80 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F5 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
May 13, 2026 Filed May 19, 2026 12:01 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 19,620 $25.32 $496,778.40
Disclosure

SEC source: 0001104659-26-063515 · tm2615052-1_4seq1.xml · nonDerivative · entry 4

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 26,283,180

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F7 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $24.86 to $25.78 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F5 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
May 12, 2026 Filed May 19, 2026 12:01 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 28,560 $25.50 $728,280.00
Disclosure

SEC source: 0001104659-26-063515 · tm2615052-1_4seq1.xml · nonDerivative · entry 3

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 26,263,560

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F6 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $24.06 to $26.00 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F5 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

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May 11, 2026 Filed May 19, 2026 12:01 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 6,000 $26.42 $158,520.00
Disclosure

SEC source: 0001104659-26-063515 · tm2615052-1_4seq1.xml · nonDerivative · entry 2

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 26,235,000

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F4 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $25.98 to $26.50 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined below).

F5 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
May 08, 2026 Filed May 13, 2026 11:30 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 73,080 $23.49 $1,716,649.20
Disclosure

SEC source: 0001104659-26-059790 · tm2614482-1_4seq1.xml · nonDerivative · entry 3

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 26,229,000

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F6 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $21.94 to $24.73 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
May 07, 2026 Filed May 13, 2026 11:30 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 24,180 $25.01 $604,741.80
Disclosure

SEC source: 0001104659-26-059790 · tm2614482-1_4seq1.xml · nonDerivative · entry 2

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 26,155,920

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F5 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $24.52 to $25.50 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
May 06, 2026 Filed May 13, 2026 11:30 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 22,140 $27.16 $601,322.40
Disclosure

SEC source: 0001104659-26-059790 · tm2614482-1_4seq1.xml · nonDerivative · entry 1

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 26,131,740

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F3 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $26.00 to $28.18 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined below).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
May 05, 2026 Filed May 8, 2026 20:08 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 11,580 $28.06 $324,934.80
Disclosure

SEC source: 0001104659-26-057920 · tm2614064-1_4seq1.xml · nonDerivative · entry 8

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 26,109,600

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F11 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $28.00 to $28.45 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
May 04, 2026 Filed May 8, 2026 20:08 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 83,580 $28.79 $2,406,268.20
Disclosure

SEC source: 0001104659-26-057920 · tm2614064-1_4seq1.xml · nonDerivative · entry 7

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 26,098,020

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F10 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $28.30 to $29.21 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
May 01, 2026 Filed May 8, 2026 20:08 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 52,560 $29.05 $1,526,868.00
Disclosure

SEC source: 0001104659-26-057920 · tm2614064-1_4seq1.xml · nonDerivative · entry 6

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 26,014,440

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F9 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $28.98 to $29.40 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
April 30, 2026 Filed May 8, 2026 20:08 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 24,180 $28.36 $685,744.80
Disclosure

SEC source: 0001104659-26-057920 · tm2614064-1_4seq1.xml · nonDerivative · entry 5

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 25,961,880

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F8 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $27.00 to $28.70 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
April 29, 2026 Filed May 8, 2026 20:08 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 9,300 $27.87 $259,191.00
Disclosure

SEC source: 0001104659-26-057920 · tm2614064-1_4seq1.xml · nonDerivative · entry 4

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 25,937,700

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F7 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $27.65 to $27.99 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
April 28, 2026 Filed May 8, 2026 20:08 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 64,500 $26.99 $1,740,855.00
Disclosure

SEC source: 0001104659-26-057920 · tm2614064-1_4seq1.xml · nonDerivative · entry 3

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 25,928,400

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F6 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $25.90 to $27.94 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
April 27, 2026 Filed May 8, 2026 20:08 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 161,280 $26.30 $4,241,664.00
Disclosure

SEC source: 0001104659-26-057920 · tm2614064-1_4seq1.xml · nonDerivative · entry 2

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 25,863,900

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F5 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $25.98 to $26.75 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
April 24, 2026 Filed May 8, 2026 20:08 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 39,720 $26.07 $1,035,500.40
Disclosure

SEC source: 0001104659-26-057920 · tm2614064-1_4seq1.xml · nonDerivative · entry 1

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 25,702,620

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F3 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $25.55 to $26.73 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined below).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
April 23, 2026 Filed Apr 27, 2026 12:16 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 73,740 $25.71 $1,895,855.40
Disclosure

SEC source: 0001104659-26-049054 · tm2612804-1_4seq1.xml · nonDerivative · entry 4

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 25,662,900

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F7 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $25.00 to $25.99 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
April 22, 2026 Filed Apr 27, 2026 12:16 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 12,000 $23.90 $286,800.00
Disclosure

SEC source: 0001104659-26-049054 · tm2612804-1_4seq1.xml · nonDerivative · entry 3

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 25,589,160

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F6 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $23.50 to $24.00 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
April 21, 2026 Filed Apr 27, 2026 12:16 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 39,180 $24.37 $954,816.60
Disclosure

SEC source: 0001104659-26-049054 · tm2612804-1_4seq1.xml · nonDerivative · entry 2

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 25,577,160

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F5 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $24.00 to $25.00 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
April 20, 2026 Filed Apr 27, 2026 12:16 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 21,480 $23.59 $506,713.20
Disclosure

SEC source: 0001104659-26-049054 · tm2612804-1_4seq1.xml · nonDerivative · entry 1

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 25,537,980

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F3 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $23.25 to $23.81 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined below).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

Read SEC document
April 17, 2026 Filed Apr 22, 2026 20:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 24,060 $25.51 $613,770.60
Disclosure

SEC source: 0001104659-26-046800 · tm2612456-1_4seq1.xml · nonDerivative · entry 5

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 25,516,500

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F8 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $24.85 to $25.99 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which the Trustee (as defined above) also acts as the trustee. S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person and his family members are beneficiaries under HH Talent Trust. As a result, the reporting person is deemed to be beneficial owners of the shares directly held by HH Talent Limited.

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April 16, 2026 Filed Apr 22, 2026 20:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 60,420 $25.79 $1,558,231.80
Disclosure

SEC source: 0001104659-26-046800 · tm2612456-1_4seq1.xml · nonDerivative · entry 4

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 25,492,440

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F7 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $25.33 to $26.40 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which the Trustee (as defined above) also acts as the trustee. S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person and his family members are beneficiaries under HH Talent Trust. As a result, the reporting person is deemed to be beneficial owners of the shares directly held by HH Talent Limited.

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April 15, 2026 Filed Apr 22, 2026 20:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 166,560 $25.69 $4,278,926.40
Disclosure

SEC source: 0001104659-26-046800 · tm2612456-1_4seq1.xml · nonDerivative · entry 3

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 25,432,020

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F6 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $24.96 to $26.40 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which the Trustee (as defined above) also acts as the trustee. S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person and his family members are beneficiaries under HH Talent Trust. As a result, the reporting person is deemed to be beneficial owners of the shares directly held by HH Talent Limited.

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April 14, 2026 Filed Apr 22, 2026 20:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 61,200 $24.36 $1,490,832.00
Disclosure

SEC source: 0001104659-26-046800 · tm2612456-1_4seq1.xml · nonDerivative · entry 2

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 25,265,460

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F5 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $23.77 to $24.94 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which the Trustee (as defined above) also acts as the trustee. S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person and his family members are beneficiaries under HH Talent Trust. As a result, the reporting person is deemed to be beneficial owners of the shares directly held by HH Talent Limited.

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April 13, 2026 Filed Apr 22, 2026 20:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 72,720 $22.22 $1,615,838.40
Disclosure

SEC source: 0001104659-26-046800 · tm2612456-1_4seq1.xml · nonDerivative · entry 1

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 25,204,260

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F3 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $21.71 to $22.30 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined below).

F4 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which the Trustee (as defined above) also acts as the trustee. S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person and his family members are beneficiaries under HH Talent Trust. As a result, the reporting person is deemed to be beneficial owners of the shares directly held by HH Talent Limited.

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April 10, 2026 Filed Aug 21, 2026 10:48 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 151,620 $21.07 $3,194,633.40
Disclosure

SEC source: 0002029760-26-000009 · primary_doc.xml · nonDerivative · entry 2

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 35,579,760

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F4 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $20.00 to $21.75 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined below).

F5 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person is deemed to be the beneficial owner of the shares directly held by HH Talent Limited.

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April 09, 2026 Filed Apr 13, 2026 12:31 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 159,420 $21.70 $3,459,414.00
Disclosure

SEC source: 0001104659-26-042369 · tm2611690-1_4seq1.xml · nonDerivative · entry 11

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 25,131,540

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F14 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $20.85 to $22.49 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F5 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which the Trustee (as defined above) also acts as the trustee. S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person and his family members are beneficiaries under HH Talent Trust. As a result, the reporting person is deemed to be beneficial owners of the shares directly held by HH Talent Limited.

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April 08, 2026 Filed Apr 13, 2026 12:31 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 39,720 $21.70 $861,924.00
Disclosure

SEC source: 0001104659-26-042369 · tm2611690-1_4seq1.xml · nonDerivative · entry 10

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 24,972,120

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F13 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $21.20 to $23.00 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F5 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which the Trustee (as defined above) also acts as the trustee. S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person and his family members are beneficiaries under HH Talent Trust. As a result, the reporting person is deemed to be beneficial owners of the shares directly held by HH Talent Limited.

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April 07, 2026 Filed Apr 13, 2026 12:31 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 20,280 $21.28 $431,558.40
Disclosure

SEC source: 0001104659-26-042369 · tm2611690-1_4seq1.xml · nonDerivative · entry 9

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 24,932,400

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F12 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $21.00 to $21.50 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F5 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which the Trustee (as defined above) also acts as the trustee. S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person and his family members are beneficiaries under HH Talent Trust. As a result, the reporting person is deemed to be beneficial owners of the shares directly held by HH Talent Limited.

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April 06, 2026 Filed Apr 13, 2026 12:31 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 117,660 $22.96 $2,701,473.60
Disclosure

SEC source: 0001104659-26-042369 · tm2611690-1_4seq1.xml · nonDerivative · entry 8

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 24,912,120

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F11 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $22.23 to $23.99 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F5 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which the Trustee (as defined above) also acts as the trustee. S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person and his family members are beneficiaries under HH Talent Trust. As a result, the reporting person is deemed to be beneficial owners of the shares directly held by HH Talent Limited.

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April 02, 2026 Filed Apr 13, 2026 12:31 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 170,520 $22.21 $3,787,249.20
Disclosure

SEC source: 0001104659-26-042369 · tm2611690-1_4seq1.xml · nonDerivative · entry 7

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 24,794,460

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F10 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $20.13 to $23.09 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F5 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which the Trustee (as defined above) also acts as the trustee. S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person and his family members are beneficiaries under HH Talent Trust. As a result, the reporting person is deemed to be beneficial owners of the shares directly held by HH Talent Limited.

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April 01, 2026 Filed Apr 13, 2026 12:31 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 309,660 $21.48 $6,651,496.80
Disclosure

SEC source: 0001104659-26-042369 · tm2611690-1_4seq1.xml · nonDerivative · entry 6

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 24,623,940

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F9 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $19.89 to $22.74 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F5 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which the Trustee (as defined above) also acts as the trustee. S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person and his family members are beneficiaries under HH Talent Trust. As a result, the reporting person is deemed to be beneficial owners of the shares directly held by HH Talent Limited.

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March 31, 2026 Filed Apr 13, 2026 12:31 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 195,060 $19.09 $3,723,695.40
Disclosure

SEC source: 0001104659-26-042369 · tm2611690-1_4seq1.xml · nonDerivative · entry 5

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 24,314,280

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F8 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $17.99 to $19.95 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F5 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which the Trustee (as defined above) also acts as the trustee. S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person and his family members are beneficiaries under HH Talent Trust. As a result, the reporting person is deemed to be beneficial owners of the shares directly held by HH Talent Limited.

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March 30, 2026 Filed Apr 13, 2026 12:31 UTC 51Talk Online Education Group COE · Entity 6826 Exercise / conversionRestricted Share Units (RSUs) · Derivative 275,000 $0.00 $0.00
Disclosure

SEC source: 0001104659-26-042369 · tm2611690-1_4seq1.xml · derivative · entry 14

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Dasheng Global Limited

Disclosed balance after: 275,000

Underlying: Class A Ordinary Share, par value US$0.0001 · 275,000 shares

Expires 2033-06-30

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.

F16 · derivative.exercise_price: Represents RSUs granted to the reporting person pursuant to the issuer's share incentive plans. Each RSU represents the contingent right to receive one (1) class A ordinary share of issuer upon vesting.

F17 · derivative.exercise_date: The RSUs were vested on March 30, 2026.

F18 · balance_after: The reporting person was granted 550, 000 RSUs on June 30, 2023, subject to vesting schedule in two equal installments on March 30, 2026 and June 30, 2026.

F2 · ownership.nature: Each of Dasheng Global Limited and Dasheng Online Limited is a British Virgin Islands company. The reporting person is the sole director of Dasheng Global Limited, and Ms. Ting Shu, who is the spouse of the reporting person, is the sole director of Dasheng Online Limited. Each of Dasheng Global Limited and Dasheng Online Limited is wholly beneficially owned by Dasheng International Holdings Limited, which is in turn wholly owned by TB Family Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of Dasheng International Holdings Limited. The settlors of TB Family Trust are reporting person and Ms. Ting Shu. The reporting person, Ms. Ting Shu and their family members are beneficiaries under TB Family Trust. As a result, both reporting person and Ms. Ting Shu are deemed to be beneficial owners of the shares directly held by Dasheng Global Limited and Dasheng Online Limited.

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March 30, 2026 Filed Apr 13, 2026 12:31 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 337,740 $18.50 $6,248,190.00
Disclosure

SEC source: 0001104659-26-042369 · tm2611690-1_4seq1.xml · nonDerivative · entry 4

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 24,119,220

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F7 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $18.00 to $19.76 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F5 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which the Trustee (as defined above) also acts as the trustee. S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person and his family members are beneficiaries under HH Talent Trust. As a result, the reporting person is deemed to be beneficial owners of the shares directly held by HH Talent Limited.

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March 30, 2026 Filed Apr 13, 2026 12:31 UTC 51Talk Online Education Group COE · Entity 6826 Exercise / conversionClass A Ordinary Share, par value US$0.0001 275,000 $0.00 $0.00
Disclosure

SEC source: 0001104659-26-042369 · tm2611690-1_4seq1.xml · nonDerivative · entry 1

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Dasheng Global Limited

Disclosed balance after: 41,838,800

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 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F2 · ownership.nature: Each of Dasheng Global Limited and Dasheng Online Limited is a British Virgin Islands company. The reporting person is the sole director of Dasheng Global Limited, and Ms. Ting Shu, who is the spouse of the reporting person, is the sole director of Dasheng Online Limited. Each of Dasheng Global Limited and Dasheng Online Limited is wholly beneficially owned by Dasheng International Holdings Limited, which is in turn wholly owned by TB Family Trust, for which TMF (Cayman) Ltd. acts as the trustee (the "Trustee"). S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of Dasheng International Holdings Limited. The settlors of TB Family Trust are reporting person and Ms. Ting Shu. The reporting person, Ms. Ting Shu and their family members are beneficiaries under TB Family Trust. As a result, both reporting person and Ms. Ting Shu are deemed to be beneficial owners of the shares directly held by Dasheng Global Limited and Dasheng Online Limited.

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March 27, 2026 Filed Apr 13, 2026 12:31 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 301,620 $19.37 $5,842,379.40
Disclosure

SEC source: 0001104659-26-042369 · tm2611690-1_4seq1.xml · nonDerivative · entry 3

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 23,781,480

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F6 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $18.50 to $21.13 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

F5 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which the Trustee (as defined above) also acts as the trustee. S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person and his family members are beneficiaries under HH Talent Trust. As a result, the reporting person is deemed to be beneficial owners of the shares directly held by HH Talent Limited.

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March 26, 2026 Filed Apr 13, 2026 12:31 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 88,560 $18.35 $1,625,076.00
Disclosure

SEC source: 0001104659-26-042369 · tm2611690-1_4seq1.xml · nonDerivative · entry 2

Huang Jack Jiajia · CIK 0002029760 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 23,479,860

F1 · security: The Class A ordinary shares are held in the form of American depositary shares ("ADS"). Each ADS represents sixty Class A ordinary shares.

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on December 25, 2025.

F4 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $17.30 to $18.60 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined below).

F5 · ownership.nature: HH Talent Limited is a British Virgin Islands company. The reporting person is the sole director of HH Talent Limited. HH Talent Limited is wholly beneficially owned by HH Talent Holdings Limited, which is in turn wholly owned by HH Talent Trust, for which the Trustee (as defined above) also acts as the trustee. S.B. Vanwall Ltd., appointed by the Trustee, is the sole director of HH Talent Holdings Limited. The settlor of HH Talent Trust is the reporting person. The reporting person and his family members are beneficiaries under HH Talent Trust. As a result, the reporting person is deemed to be beneficial owners of the shares directly held by HH Talent Limited.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.