SEC Form 4
51Talk Online Education Group (COE) insider trading
In the 12 months to Oct 26, 2026, 2 COE insiders reported open-market purchases of $262.6M across 26 filings; no open-market sales were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $0
- 0 filings · 0 insiders
- Open-market purchases
- $262.6M
- 26 filings
$ excludes 2 trades without a price.
Who traded COE, and when
- Purchase
COE daily close from Oct 27, 2025 to Oct 26, 2026, between $9.96 and $51.18, last $11.60. 0 sale and 26 purchase filings by 2 insiders, marked at their filing dates. Jack Jiajia Huang, Chief Executive Officer: bought $262.6M across 24 filings, first filed Apr 13, 2026, last Oct 8, 2026. Ting Shu, Director: across 2 filings, first filed Jul 20, 2026, last Oct 8, 2026.
Largest mark · tap a row for others
Jack Jiajia Huang · Chief Executive Officer
Purchase $35,332,457
1,740,240 shares
Filed Apr 13, 2026 · traded Mar 26
Close on filing date $22.30
Jack Jiajia Huang · Chief Executive Officer
Chief Executive Officer
$262.6M boughtTing Shu · Director
Director
Open-market trades
26 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Jack Jiajia Huang | Chief Executive Officer | — | $262.6M | 24 | — | |
| Ting Shu | Director | — | — | 2 | — |
| Filed | Insider | Type | Shares | Value | Held after | Source |
|---|---|---|---|---|---|---|
traded | Jack Jiajia Huang Chief Executive Officer | Purchase | 2,812,140 ordinary shares | $32.3M | 38,427,300 | |
traded | Ting Shu Director | Purchase | 7,564,500 ordinary shares | — | 38,427,300 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 187,020 ordinary shares | $3.9M | 35,615,160 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 592,320 ordinary shares | $11.8M | 35,428,140 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 395,580 ordinary shares | $7.7M | 34,835,820 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 740,760 ordinary shares | $13.8M | 34,440,240 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 473,520 ordinary shares | $8.1M | 33,699,480 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 637,200 ordinary shares | $10.7M | 33,225,960 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 1,103,820 ordinary shares | $17.9M | 32,588,760 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 622,140 ordinary shares | $10.5M | 31,484,940 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 495,360 ordinary shares | $8.5M | 30,862,800 | |
traded | Ting Shu Director | Purchase | 7,471,500 ordinary shares | — | 30,862,800 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 562,560 ordinary shares | $9.3M | 30,367,440 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 1,444,920 ordinary shares | $23.5M | 29,804,880 | |
traded | Jack Jiajia Huang Chief Executive Officer | Purchase | 1,063,080 ordinary shares | $16.5M | 28,359,960 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 263,940 ordinary shares | $4.6M | 27,292,500 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 216,300 ordinary shares | $4.6M | 27,032,940 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 165,240 ordinary shares | $4.1M | 26,816,640 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 183,000 ordinary shares | $4.8M | 26,651,400 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 155,220 ordinary shares | $4.2M | 26,468,400 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 84,180 ordinary shares | $2.1M | 26,313,180 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 119,400 ordinary shares | $2.9M | 26,229,000 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 446,700 ordinary shares | $12.2M | 26,109,600 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 146,400 ordinary shares | $3.6M | 25,662,900 | |
traded | Jack Jiajia Huang Chief Executive Officer | PurchasePre-arranged (10b5-1) | 384,960 ordinary shares | $9.6M | 25,516,500 | |
traded | Jack Jiajia Huang Chief Executive Officer | Purchase | 1,740,240 ordinary shares | $35.3M | 25,131,540 |
Shares are as filed (ordinary shares or ADS); values are as converted to US$ in the filing.
GET /stocks/filings/vX/form-4?tickers=COE&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"COE"
],
"issuer_cik": "0001659494",
"owner_cik": "0002119563",
"accession_number": "0002119563-26-000002",
"form_type": "4",
"filing_date": "2026-10-08",
"period_of_report": "2026-04-10",
"issuer_name": "51Talk Online Education Group",
"issuer_trading_symbol": "COE",
"owner_name": "Shu Ting",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Class A Ordinary Share, par value US$0.0001",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-04-10",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 7564500,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 38427300,
"not_subject_to_section_16": false,
"direct_or_indirect": "I",
"nature_of_ownership": "By Spouse",
"footnotes": [
{
"id": "F1",
"description": "The Class A ordinary shares are held in the form of American depositary shares (\"ADS\"). Each ADS represents sixty Class A ordinary shares."
},
{
"id": "F6",
"description": "These transactions represent open-market purchases of Class A ordinary shares, in the form of American depositary shares, effected by HH Talent Limited during the period from April 10, 2026 through September 25, 2026. HH Talent Limited is a British Virgin Islands company. The reporting person's spouse 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's spouse. The reporting person's spouse is deemed to be the beneficial owner of the shares directly held by HH Talent Limited."
},
{
"id": "F7",
"description": "Except where a single execution price is indicated, the transactions were executed through a broker-dealer in multiple same-day, same-way purchases and are reported on an aggregate basis at weighted average prices, rounded to the nearest cent; 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 Class A ordinary shares purchased at each separate price. All such Class A ordinary shares were purchased by HH Talent Limited in the form of American depositary shares. Additional information regarding these purchases is included in the Form 4 filings made by the reporting person's spouse, Mr. Jack Jiajia Huang, on July 23, 2026, July 27, 2026, July 30, 2026, August 5, 2026, August 10, 2026, August 12, 2026, August 13, 2026, August 21, 2026 and October 8, 2026."
},
{
"id": "F8",
"description": "Except for the purchases made from September 17, 2026 through September 25, 2026, these transactions were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person's spouse on December 25, 2025."
},
{
"id": "F5",
"description": "The reporting person disclaims beneficial ownership of the shares held by her spouse except to the extent of her pecuniary interest, if any, and this report should not be deemed an admission that the reporting person is the beneficial owner of her spouse's shares for purposes of Section 16 or for any other purpose."
}
]
},
{
"tickers": [
"COE"
],
"issuer_cik": "0001659494",
"owner_cik": "0002029760",
"accession_number": "0002029760-26-000010",
"form_type": "4",
"filing_date": "2026-10-08",
"period_of_report": "2026-09-17",
"issuer_name": "51Talk Online Education Group",
"issuer_trading_symbol": "COE",
"owner_name": "Huang Jack Jiajia",
"is_director": true,
"is_officer": true,
"is_ten_percent_owner": true,
"is_other": false,
"officer_title": "Chief Executive Officer",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Class A Ordinary Share, par value US$0.0001",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-09-23",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 897300,
"transaction_price_per_share": 11.5,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 37196820,
"transaction_value": 10318950,
"not_subject_to_section_16": false,
"direct_or_indirect": "I",
"nature_of_ownership": "By HH Talent Limited",
"footnotes": [
{
"id": "F1",
"description": "The Class A ordinary shares are held in the form of American depositary shares (\"ADS\"). Each ADS represents sixty Class A ordinary shares."
},
{
"id": "F4",
"description": "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)."
},
{
"id": "F3",
"description": "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."
}
]
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 21 records
- Option exercises17 records
- Tax withholding4 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has 51Talk Online Education Group's CEO sold stock?
No. Jack Jiajia Huang (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is COE’s insider data?
These are COE Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
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Track COE insider trades with your agent
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for COE every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
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