Frank Hurst Lin - 08 Jul 2026 Form 4 Insider Report for 51Talk Online Education Group (COE)

Reporting relationship: Director, 10%+ Owner
Issuer ticker: COE
Reported as of: 08 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 21 Jul 2026, 07:33:10 UTC
Prior SEC filing: 18 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Frank Hurst Lin

Key filing fact

Frank Hurst Lin filed Form 4 for 51Talk Online Education Group (COE) on 21 Jul 2026.

Key facts

This page summarizes Frank Hurst Lin's Form 4 filing for 51Talk Online Education Group (COE).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 21 Jul 2026, 07:33.

Change

Previous filing in this sequence was filed on 18 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002002613 Primary reporting owner

Lin Frank Hurst

Relationship: Director, 10%+ Owner
Address: C/O DCM, 2420 SAND HILL ROAD, SUITE 200, MENLO PARK
Signature: /s/ Frank Hurst Lin
Signature date: 21 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

COE transaction

Class A Ordinary Share, par value US$0.0001

Options Exercise

Transaction value
Shares: +72,720
Change %: +6.5%
Price: $0.000000^*
Shares after: 1,192,215
Date: 08 Jul 2026
Ownership: Direct
Footnotes: F1

COE holding

Class A Ordinary Share, par value US$0.0001

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,017,832
Date: 08 Jul 2026
Ownership: By DCM Ventures China Turbo Fund, L.P.
Footnotes: F1, F2

COE holding

Class A Ordinary Share, par value US$0.0001

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 589,278
Date: 08 Jul 2026
Ownership: By DCM Ventures China Turbo Affiliates Fund, L.P.
Footnotes: F1, F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

COE transaction Derivative

Restricted Share Units (RSUs)

Award

Transaction value
Shares: +72,720
Change %
Price: $0.000000^*
Shares after: 72,720
Date: 08 Jul 2026
Ownership: Direct
Underlying class: Class A Ordinary Share, par value US$0.0001
Underlying amount: 72,720
Exercise price
Footnotes: F4, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

The Class A ordinary shares are held in the form of American depositary shares. Each American depositary share represents sixty Class A ordinary shares.

Footnote F2

These shares are held directly by DCM Ventures China Turbo Fund, L.P. ("DCM Turbo"). DCM Turbo Fund Investment Management, L.P. ("DGP Turbo") is the general partner of DCM Turbo. DCM Turbo Fund International, Ltd. ("UGP Turbo") is the general partner of DGP Turbo. Frank Hurst Lin ("Lin") is a director of UGP Turbo and may be deemed to have voting and investment power over, and may be deemed to be an indirect beneficial owner of, the securities held by DCM Turbo. Lin disclaims the existence of a "group" and disclaims beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein. This report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

Footnote F3

These shares are held directly by DCM Ventures China Turbo Affiliates Fund, L.P. ("Turbo Affiliates"). DGP Turbo is the general partner of Turbo Affiliates. UGP Turbo is the general partner of DGP Turbo. Lin is a director of UGP Turbo and may be deemed to have voting and investment power over, and may be deemed to be an indirect beneficial owner of, the securities held by Turbo Affiliates. Lin disclaims the existence of a "group" and disclaims beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein. This report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

Footnote F4

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.

Footnote F5

The reporting person was granted 145,440 RSUs on July 8, 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.