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Huang Jack Jiajia

Disclosed activity across 1 company

Tapewire entity
20931
SEC CIK
0002029760

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Reported relationships

Latest disclosed role at each company.

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

Disclosed balances

About these balances

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

51Talk Online Education Group

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

F10: The RSUs vested on October 1, 2026.

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

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

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

Row 7 · Balance 7,297,560

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

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

Row 10 · Balance 42,388,800

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

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

Filing footnotes · ownership attribution and instrument terms

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

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

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

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

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

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

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

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

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

F10: The RSUs vested on October 1, 2026.

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

Transaction history

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

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

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
October 02, 2026 Filed Oct 8, 2026 10:32 UTC 51Talk Online Education Group COE · Entity 6826 Tax withholdingClass A Ordinary Share, par value US$0.0001 4,020 $10.46 $42,049.20
Disclosure

SEC source: 0002029760-26-000010 · primary_doc.xml · nonDerivative · entry 9

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 507,780

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.

F7 · price: 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 · ownership.nature: 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.

Read SEC document
October 01, 2026 Filed Oct 8, 2026 10:32 UTC 51Talk Online Education Group COE · Entity 6826 Exercise / conversionRestricted Share Units (RSUs) · Derivative 18,180 $0.00 $0.00
Disclosure

SEC source: 0002029760-26-000010 · primary_doc.xml · derivative · entry 11

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 54,540

Underlying: Class A Ordinary Share, par value US$0.0001 · 18,180 shares

Expires 2035-07-01

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.

F9 · derivative.exercise_price: 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 · derivative.exercise_date: The RSUs vested on October 1, 2026.

F11 · balance_after: 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 · ownership.nature: 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.

Read SEC document
October 01, 2026 Filed Oct 8, 2026 10:32 UTC 51Talk Online Education Group COE · Entity 6826 Exercise / conversionClass A Ordinary Share, par value US$0.0001 18,180 $0.00 $0.00
Disclosure

SEC source: 0002029760-26-000010 · primary_doc.xml · nonDerivative · entry 8

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 511,800

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

F6 · ownership.nature: 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.

Read SEC document
September 25, 2026 Filed Oct 8, 2026 10:32 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 1,227,600 $11.50 $14,117,400.00
Disclosure

SEC source: 0002029760-26-000010 · primary_doc.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: 38,427,300

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.

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 $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 · 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
September 24, 2026 Filed Oct 8, 2026 10:32 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 2,880 $11.50 $33,120.00
Disclosure

SEC source: 0002029760-26-000010 · primary_doc.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: 37,199,700

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

F3 · 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
September 23, 2026 Filed Oct 8, 2026 10:32 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 897,300 $11.50 $10,318,950.00
Disclosure

SEC source: 0002029760-26-000010 · primary_doc.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: 37,196,820

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.

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 $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 · 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
September 22, 2026 Filed Oct 8, 2026 10:32 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 378,420 $11.50 $4,351,830.00
Disclosure

SEC source: 0002029760-26-000010 · primary_doc.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: 36,299,520

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.

F3 · 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
September 18, 2026 Filed Oct 8, 2026 10:32 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 1,920 $11.50 $22,080.00
Disclosure

SEC source: 0002029760-26-000010 · primary_doc.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: 35,921,100

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 · 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
September 17, 2026 Filed Oct 8, 2026 10:32 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 304,020 $11.48 $3,490,149.60
Disclosure

SEC source: 0002029760-26-000010 · primary_doc.xml · nonDerivative · entry 1

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: 35,919,180

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 · 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 $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 · 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
August 18, 2026 Filed Aug 21, 2026 10:48 UTC 51Talk Online Education Group COE · Entity 6826 Exercise / conversionRestricted Share Units (RSUs) · Derivative 137,500 $0.00 $0.00
Disclosure

SEC source: 0002029760-26-000009 · primary_doc.xml · derivative · entry 6

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: 825,000

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.

F8 · 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.

F9 · derivative.exercise_date: The RSUs vested on August 18, 2026.

F10 · 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, 825,000 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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August 18, 2026 Filed Aug 21, 2026 10:48 UTC 51Talk Online Education Group COE · Entity 6826 Exercise / conversionClass A Ordinary Share, par value US$0.0001 137,500 $0.00 $0.00
Disclosure

SEC source: 0002029760-26-000009 · primary_doc.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Dasheng Global Limited

Disclosed balance after: 42,388,800

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

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

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August 13, 2026 Filed Aug 21, 2026 10:48 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 35,400 $20.83 $737,382.00
Disclosure

SEC source: 0002029760-26-000009 · primary_doc.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: 35,615,160

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.

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 $20.26 to $21.24 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.

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

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August 12, 2026 Filed Aug 13, 2026 10:57 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 337,500 $20.17 $6,807,375.00
Disclosure

SEC source: 0002029760-26-000008 · primary_doc.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 35,428,140

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.

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 $19.75 to $20.36 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).

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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August 11, 2026 Filed Aug 13, 2026 10:57 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 254,820 $19.61 $4,997,020.20
Disclosure

SEC source: 0002029760-26-000008 · primary_doc.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: 35,090,640

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 $18.94 to $20.00 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined below).

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

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August 10, 2026 Filed Aug 12, 2026 11:40 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 199,980 $19.72 $3,943,605.60
Disclosure

SEC source: 0002029760-26-000007 · primary_doc.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: 34,835,820

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 $19.51 to $19.95 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

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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August 07, 2026 Filed Aug 12, 2026 11:40 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 90,480 $19.39 $1,754,407.20
Disclosure

SEC source: 0002029760-26-000007 · primary_doc.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 34,635,840

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.

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 $18.87 to $19.64 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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August 06, 2026 Filed Aug 12, 2026 11:40 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 105,120 $19.29 $2,027,764.80
Disclosure

SEC source: 0002029760-26-000007 · primary_doc.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: 34,545,360

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.

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 $18.69 to $19.98 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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August 05, 2026 Filed Aug 10, 2026 10:31 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 158,460 $19.20 $3,042,432.00
Disclosure

SEC source: 0002029760-26-000006 · primary_doc.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: 34,440,240

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.

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 $19.00 to $19.33 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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August 04, 2026 Filed Aug 10, 2026 10:31 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 125,880 $19.06 $2,399,272.80
Disclosure

SEC source: 0002029760-26-000006 · primary_doc.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: 34,281,780

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.

F6 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $18.76 to $19.66 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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August 03, 2026 Filed Aug 10, 2026 10:31 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 333,840 $18.48 $6,169,363.20
Disclosure

SEC source: 0002029760-26-000006 · primary_doc.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 34,155,900

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

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

F5 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $17.38 to $19.24 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).

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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July 31, 2026 Filed Aug 10, 2026 10:31 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 122,580 $17.54 $2,150,053.20
Disclosure

SEC source: 0002029760-26-000006 · primary_doc.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: 33,822,060

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.

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 $17.18 to $17.84 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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July 30, 2026 Filed Aug 5, 2026 10:30 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 194,460 $17.21 $3,346,656.60
Disclosure

SEC source: 0002029760-26-000005 · primary_doc.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: 33,699,480

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 $17.09 to $17.42 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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July 29, 2026 Filed Aug 5, 2026 10:30 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 109,080 $16.91 $1,844,542.80
Disclosure

SEC source: 0002029760-26-000005 · primary_doc.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 33,505,020

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.

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 $16.73 to $17.19 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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July 28, 2026 Filed Aug 5, 2026 10:30 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 169,980 $16.88 $2,869,262.40
Disclosure

SEC source: 0002029760-26-000005 · primary_doc.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: 33,395,940

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.

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 $16.20 to $17.26 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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July 27, 2026 Filed Jul 30, 2026 10:57 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 451,320 $16.97 $7,658,900.40
Disclosure

SEC source: 0002029760-26-000004 · primary_doc.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 33,225,960

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.

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 $16.27 to $17.83 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
July 24, 2026 Filed Jul 30, 2026 10:57 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 185,880 $16.26 $3,022,408.80
Disclosure

SEC source: 0002029760-26-000004 · primary_doc.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: 32,774,640

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 $16.09 to $16.39 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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July 23, 2026 Filed Jul 27, 2026 13:04 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 301,440 $15.84 $4,774,809.60
Disclosure

SEC source: 0002029760-26-000003 · primary_doc.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: 32,588,760

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

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 $15.51 to $16.11 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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July 23, 2026 Filed Jul 27, 2026 13:04 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 60,000 $15.60 $936,000.00
Disclosure

SEC source: 0002029760-26-000003 · primary_doc.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: 32,287,320

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 $15.60 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 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
July 23, 2026 Filed Jul 27, 2026 13:04 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 60,000 $15.54 $932,400.00
Disclosure

SEC source: 0002029760-26-000003 · primary_doc.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: 32,227,320

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 $15.54 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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July 22, 2026 Filed Jul 27, 2026 13:04 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 123,780 $15.98 $1,978,004.40
Disclosure

SEC source: 0002029760-26-000003 · primary_doc.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: 32,167,320

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 $15.61 to $16.37 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
July 22, 2026 Filed Jul 27, 2026 13:04 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 59,940 $15.95 $956,043.00
Disclosure

SEC source: 0002029760-26-000003 · primary_doc.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 32,043,540

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.

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 $15.91 to $15.95 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

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
July 21, 2026 Filed Jul 27, 2026 13:04 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 498,660 $16.62 $8,287,729.20
Disclosure

SEC source: 0002029760-26-000003 · primary_doc.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: 31,983,600

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

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

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 $16.25 to $17.09 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined 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
July 20, 2026 Filed Jul 23, 2026 11:19 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 112,500 $16.68 $1,876,500.00
Disclosure

SEC source: 0002029760-26-000001 · primary_doc.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: 31,484,940

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 $16.36 to $16.86 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.

Read SEC document
July 17, 2026 Filed Jul 23, 2026 11:19 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 83,460 $16.56 $1,382,097.60
Disclosure

SEC source: 0002029760-26-000001 · primary_doc.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: 31,372,440

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

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

F7 · price: The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $16.14 to $17.13 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

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
July 16, 2026 Filed Jul 23, 2026 11:19 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 111,840 $16.60 $1,856,544.00
Disclosure

SEC source: 0002029760-26-000001 · primary_doc.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: 31,288,980

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.

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 $16.43 to $16.76 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

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
July 15, 2026 Filed Jul 23, 2026 11:19 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 135,540 $16.93 $2,294,692.20
Disclosure

SEC source: 0002029760-26-000001 · primary_doc.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Indirect · By HH Talent Limited

Disclosed balance after: 31,177,140

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.

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 $16.41 to $17.50 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
July 14, 2026 Filed Jul 20, 2026 12:17 UTC 51Talk Online Education Group COE · Entity 6826 Tax withholdingClass A Ordinary Share, par value US$0.0001 12,000 $17.13 $205,560.00
Disclosure

SEC source: 0001104659-26-084902 · tm2620851-1_4seq1.xml · nonDerivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Spouse

Disclosed balance after: 493,620

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

F8 · price: Represents Class A ordinary shares, in the form of American depositary shares, sold pursuant to a mandatory, non-discretionary, sell-to-cover arrangement for the purpose of satisfying income tax liabilities of the reporting person's spouse incurred upon vesting of her restricted share units ("RSUs")

F7 · ownership.nature: 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.

Read SEC document
July 14, 2026 Filed Jul 23, 2026 11:19 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 178,800 $17.23 $3,080,724.00
Disclosure

SEC source: 0002029760-26-000001 · primary_doc.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: 31,041,600

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

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

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 $16.65 to $17.56 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
July 13, 2026 Filed Jul 20, 2026 12:17 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 213,480 $17.24 $3,680,395.20
Disclosure

SEC source: 0001104659-26-084902 · tm2620851-1_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: 30,862,800

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 $16.53 to $17.70 per ADS. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of ADS purchased at each price. All of these ADS were purchased by HH Talent Limited (as defined above).

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

Read SEC document
July 10, 2026 Filed Jul 20, 2026 12:17 UTC 51Talk Online Education Group COE · Entity 6826 GrantRestricted Share Units (RSUs) · Derivative 72,720 $0.00 $0.00
Disclosure

SEC source: 0001104659-26-084902 · tm2620851-1_4seq1.xml · derivative · entry 8

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Spouse

Disclosed balance after: 72,720

Underlying: Class A Ordinary Share, par value US$0.0001 · 72,720 shares

Expires 2035-07-01

F10 · derivative.exercise_price: Represents RSUs 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 issuer upon vesting.

F11 · derivative.exercise_date: 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.

F7 · ownership.nature: 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.

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July 10, 2026 Filed Jul 20, 2026 12:17 UTC 51Talk Online Education Group COE · Entity 6826 Exercise / conversionClass A Ordinary Share, par value US$0.0001 72,720 $0.00 $0.00
Disclosure

SEC source: 0001104659-26-084902 · tm2620851-1_4seq1.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Spouse

Disclosed balance after: 505,620

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

F7 · ownership.nature: 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.

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July 10, 2026 Filed Jul 20, 2026 12:17 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 95,040 $16.71 $1,588,118.40
Disclosure

SEC source: 0001104659-26-084902 · tm2620851-1_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: 30,649,320

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 $16.50 to $17.05 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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July 09, 2026 Filed Jul 20, 2026 12:17 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 186,840 $17.19 $3,211,779.60
Disclosure

SEC source: 0001104659-26-084902 · tm2620851-1_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: 30,554,280

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.

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 $16.75 to $17.69 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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July 08, 2026 Filed Jul 13, 2026 10:51 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 185,880 $16.45 $3,057,726.00
Disclosure

SEC source: 0001104659-26-082843 · tm2620307-1_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: 30,367,440

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 $16.00 to $16.99 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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July 07, 2026 Filed Jul 13, 2026 10:51 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 211,260 $16.72 $3,532,267.20
Disclosure

SEC source: 0001104659-26-082843 · tm2620307-1_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: 30,181,560

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

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 $16.30 to $17.16 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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July 06, 2026 Filed Jul 13, 2026 10:51 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 165,420 $16.46 $2,722,813.20
Disclosure

SEC source: 0001104659-26-082843 · tm2620307-1_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: 29,970,300

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.

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 $16.00 to $17.25 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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July 02, 2026 Filed Jul 8, 2026 12:44 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 556,020 $16.78 $9,330,015.60
Disclosure

SEC source: 0001104659-26-081597 · tm2620038-1_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: 29,804,880

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.

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 $16.00 to $17.93 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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July 01, 2026 Filed Jul 8, 2026 12:44 UTC 51Talk Online Education Group COE · Entity 6826 PurchaseClass A Ordinary Share, par value US$0.0001 286,800 $16.57 $4,752,276.00
Disclosure

SEC source: 0001104659-26-081597 · tm2620038-1_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: 29,248,860

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.

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 $16.24 to $16.96 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 30, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 Exercise / conversionRestricted Share Units (RSUs) · Derivative 275,000 $0.00 $0.00
Disclosure

SEC source: 0001104659-26-079099 · tm2619410-1_4seq1.xml · derivative · entry 20

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Dasheng Global Limited

Disclosed balance after: 0

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

Expires 2033-06-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F20 · 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.

F21 · derivative.exercise_date: The RSUs vested on June 30, 2026.

F22 · balance_after: The reporting person was granted 550, 000 RSUs on June 30, 2023, subject to vesting schedule in two equal installments on March 30, 2026 and June 30, 2026. This Form 4 reports the vesting on June 30, 2026 of the remaining 275,000 RSUs under the grant. Following the vesting reported herein, no 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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June 30, 2026 Filed Jun 30, 2026 12:03 UTC 51Talk Online Education Group COE · Entity 6826 Exercise / conversionClass A Ordinary Share, par value US$0.0001 275,000 $0.00 $0.00
Disclosure

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

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Dasheng Global Limited

Disclosed balance after: 42,251,300

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

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

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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.