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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.”

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Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
June 30, 2026 Filed Jul 8, 2026 12:44 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 60 $15.95 $957.00
Disclosure

SEC source: 0001104659-26-081597 · tm2620038-1_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: 28,962,060

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.

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
June 30, 2026 Filed Jul 8, 2026 12:44 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 60,000 $15.52 $931,200.00
Disclosure

SEC source: 0001104659-26-081597 · tm2620038-1_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: 28,962,000

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.

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 at $15.52 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
June 30, 2026 Filed Jul 8, 2026 12:44 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 293,520 $15.98 $4,690,449.60
Disclosure

SEC source: 0001104659-26-081597 · tm2620038-1_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: 28,902,000

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.

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 $15.22 to $16.38 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
June 29, 2026 Filed Jul 8, 2026 12:44 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 35,700 $15.21 $542,997.00
Disclosure

SEC source: 0001104659-26-081597 · tm2620038-1_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: 28,608,480

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.

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 $15.20 to $15.21 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
June 29, 2026 Filed Jul 8, 2026 12:44 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 60,000 $15.20 $912,000.00
Disclosure

SEC source: 0001104659-26-081597 · tm2620038-1_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: 28,572,780

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 at $15.20 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
June 29, 2026 Filed Jul 8, 2026 12:44 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 152,820 $15.23 $2,327,448.60
Disclosure

SEC source: 0001104659-26-081597 · tm2620038-1_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: 28,512,780

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 $15.00 to $15.67 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.

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June 26, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 151,800 $15.61 $2,369,598.00
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_4seq1.xml · nonDerivative · entry 17

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: 28,359,960

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.

F18 · 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 $15.15 to $15.90 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
June 26, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 60 $14.85 $891.00
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_4seq1.xml · nonDerivative · entry 16

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: 28,208,160

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.

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

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
June 25, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 150,600 $15.76 $2,373,456.00
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_4seq1.xml · nonDerivative · entry 15

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: 28,208,100

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.

F17 · 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 $15.51 to $16.24 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
June 24, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 60,000 $15.36 $921,600.00
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_4seq1.xml · nonDerivative · entry 14

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: 28,057,500

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.

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

F16 · 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 at $15.36 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
June 24, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 60,000 $15.40 $924,000.00
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_4seq1.xml · nonDerivative · entry 13

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: 27,997,500

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.

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

F15 · 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 at $15.40 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).

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
June 24, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 60,000 $15.19 $911,400.00
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_4seq1.xml · nonDerivative · entry 12

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: 27,937,500

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.

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 $14.90 to $15.20 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
June 24, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 58,500 $14.81 $866,385.00
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_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: 27,877,500

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.

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 $14.78 to $14.85 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
June 24, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 60,000 $14.85 $891,000.00
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_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: 27,819,000

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.

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 at $14.85 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
June 24, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 210,000 $15.46 $3,246,600.00
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_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: 27,759,000

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.

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 $14.75 to $16.08 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
June 24, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 3,720 $15.04 $55,948.80
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_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: 27,549,000

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.

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 $14.88 to $15.63 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
June 23, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 30,000 $16.00 $480,000.00
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_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: 27,545,280

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.

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 at $16.00 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.

Read SEC document
June 23, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 60,000 $16.00 $960,000.00
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_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: 27,515,280

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 at $16.00 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.

Read SEC document
June 23, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 60,000 $16.00 $960,000.00
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_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: 27,455,280

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.

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
June 23, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 72,780 $16.01 $1,165,207.80
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_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: 27,395,280

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.

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 $14.99 to $16.53 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
June 23, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 13,620 $15.50 $211,110.00
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_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: 27,322,500

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.

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 at $15.50 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 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
June 23, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 12,000 $15.63 $187,560.00
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_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: 27,308,880

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.

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 $15.45 to $16.00 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).

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
June 22, 2026 Filed Jun 26, 2026 12:23 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 4,380 $15.50 $67,890.00
Disclosure

SEC source: 0001104659-26-078013 · tm2619074-1_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: 27,296,880

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.

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
June 22, 2026 Filed Jun 26, 2026 12:23 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 12,000 $15.86 $190,320.00
Disclosure

SEC source: 0001104659-26-078013 · tm2619074-1_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: 27,292,500

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.

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 at $15.86 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.

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June 22, 2026 Filed Jun 26, 2026 12:23 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 58,140 $16.02 $931,402.80
Disclosure

SEC source: 0001104659-26-078013 · tm2619074-1_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: 27,280,500

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 $15.39 to $16.41 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
June 18, 2026 Filed Jun 26, 2026 12:23 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 6,000 $16.50 $99,000.00
Disclosure

SEC source: 0001104659-26-078013 · tm2619074-1_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: 27,222,360

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.

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
June 18, 2026 Filed Jun 26, 2026 12:23 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 6,000 $16.50 $99,000.00
Disclosure

SEC source: 0001104659-26-078013 · tm2619074-1_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: 27,216,360

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 at $16.50 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
June 18, 2026 Filed Jun 26, 2026 12:23 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 85,860 $17.50 $1,502,550.00
Disclosure

SEC source: 0001104659-26-078013 · tm2619074-1_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: 27,210,360

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 $16.01 to $18.50 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
June 17, 2026 Filed Jun 26, 2026 12:23 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 39,960 $17.20 $687,312.00
Disclosure

SEC source: 0001104659-26-078013 · tm2619074-1_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: 27,124,500

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.

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 $16.16 to $17.99 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
June 16, 2026 Filed Jun 26, 2026 12:23 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 51,600 $18.89 $974,724.00
Disclosure

SEC source: 0001104659-26-078013 · tm2619074-1_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: 27,084,540

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.

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 $17.77 to $19.60 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).

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
June 15, 2026 Filed Jun 18, 2026 10:58 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 20,640 $19.63 $405,163.20
Disclosure

SEC source: 0001104659-26-075401 · tm2618290-1_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: 27,032,940

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.

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 $19.24 to $20.12 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.

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June 12, 2026 Filed Jun 18, 2026 10:58 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 89,160 $20.20 $1,801,032.00
Disclosure

SEC source: 0001104659-26-075401 · tm2618290-1_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: 27,012,300

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 $19.16 to $22.47 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
June 11, 2026 Filed Jun 18, 2026 10:58 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 29,700 $22.10 $656,370.00
Disclosure

SEC source: 0001104659-26-075401 · tm2618290-1_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: 26,923,140

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 $21.25 to $22.54 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
June 10, 2026 Filed Jun 18, 2026 10:58 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 17,580 $22.82 $401,175.60
Disclosure

SEC source: 0001104659-26-075401 · tm2618290-1_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: 26,893,440

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.

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 $22.51 to $23.46 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
June 09, 2026 Filed Jun 18, 2026 10:58 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 35,880 $21.89 $785,413.20
Disclosure

SEC source: 0001104659-26-075401 · tm2618290-1_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: 26,875,860

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.

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 $21.39 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).

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
June 08, 2026 Filed Jun 18, 2026 10:58 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 23,340 $22.34 $521,415.60
Disclosure

SEC source: 0001104659-26-075401 · tm2618290-1_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: 26,839,980

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 $21.42 to $23.29 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
June 05, 2026 Filed Jun 10, 2026 11:39 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 14,700 $22.74 $334,278.00
Disclosure

SEC source: 0001104659-26-072099 · tm2617441-1_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: 26,816,640

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 $22.29 to $23.68 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
June 04, 2026 Filed Jun 10, 2026 11:39 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 15,420 $23.59 $363,757.80
Disclosure

SEC source: 0001104659-26-072099 · tm2617441-1_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: 26,801,940

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.

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 $23.15 to $24.29 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
June 03, 2026 Filed Jun 10, 2026 11:39 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 8,880 $24.61 $218,536.80
Disclosure

SEC source: 0001104659-26-072099 · tm2617441-1_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: 26,786,520

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 $23.54 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.

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June 02, 2026 Filed Jun 10, 2026 11:39 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 56,700 $25.23 $1,430,541.00
Disclosure

SEC source: 0001104659-26-072099 · tm2617441-1_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: 26,777,640

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 $24.01 to $27.01 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.

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June 01, 2026 Filed Jun 10, 2026 11:39 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 48,300 $25.57 $1,235,031.00
Disclosure

SEC source: 0001104659-26-072099 · tm2617441-1_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: 26,720,940

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.

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 $25.39 to $26.02 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.

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May 29, 2026 Filed Jun 10, 2026 11:39 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 21,240 $25.74 $546,717.60
Disclosure

SEC source: 0001104659-26-072099 · tm2617441-1_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: 26,672,640

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 $25.33 to $25.89 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.

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May 28, 2026 Filed Jun 1, 2026 11:28 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 25,380 $26.19 $664,702.20
Disclosure

SEC source: 0001104659-26-068566 · tm2616487-2_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: 26,651,400

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.

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 $25.80 to $26.54 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.

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May 27, 2026 Filed Jun 1, 2026 11:28 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 45,840 $26.39 $1,209,717.60
Disclosure

SEC source: 0001104659-26-068566 · tm2616487-2_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: 26,626,020

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 $25.60 to $27.32 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.

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May 26, 2026 Filed Jun 1, 2026 11:28 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 37,500 $26.28 $985,500.00
Disclosure

SEC source: 0001104659-26-068566 · tm2616487-2_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: 26,580,180

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.

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 $25.86 to $26.44 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.

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May 22, 2026 Filed Jun 1, 2026 11:28 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 74,280 $26.76 $1,987,732.80
Disclosure

SEC source: 0001104659-26-068566 · tm2616487-2_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: 26,542,680

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 $25.85 to $27.34 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.

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May 21, 2026 Filed May 26, 2026 11:29 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 28,560 $26.97 $770,263.20
Disclosure

SEC source: 0001104659-26-065999 · tm2615603-1_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: 26,468,400

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.

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 $26.70 to $27.17 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.

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May 20, 2026 Filed May 26, 2026 11:29 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 45,600 $27.13 $1,237,128.00
Disclosure

SEC source: 0001104659-26-065999 · tm2615603-1_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: 26,439,840

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 $26.38 to $27.79 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.

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May 19, 2026 Filed May 26, 2026 11:29 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 11,340 $26.87 $304,705.80
Disclosure

SEC source: 0001104659-26-065999 · tm2615603-1_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: 26,394,240

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 $26.46 to $26.99 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.

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May 18, 2026 Filed May 19, 2026 12:01 UTC 51Talk Online Education Group COE · Entity 6826 Exercise / conversionRestricted Share Units (RSUs) · Derivative 137,500 $0.00 $0.00
Disclosure

SEC source: 0001104659-26-063515 · tm2615052-1_4seq1.xml · derivative · entry 8

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: 962,500

Underlying: Class A Ordinary Share, par value US$0.0001 · 137,500 shares

Expires 2035-02-18

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.

F10 · derivative.exercise_price: Represents restricted share units ("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 the issuer upon vesting.

F11 · derivative.exercise_date: The RSUs vested on May 18, 2026.

F12 · balance_after: The reporting person was granted 1,100,000 RSUs on February 18, 2025, subject to a vesting schedule of eight equal quarterly installments commencing May 18, 2026. Following the vesting reported herein, 962,500 Class A ordinary shares remain subject to future vesting under this grant. The RSUs are held indirectly by the reporting person through Dasheng Global Limited.

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.

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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.