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COE Insider Trading & Form 4 Activity

51Talk Online Education Group
Last filing: Jun 18, 2026·7 days ago
BULLISH · LAST 90 DAYS
100%
buyers
$35.0M
36 buys
$0
0 sells
$35.0M
net buying
1
insider
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Net flow — last 12 months

Monthly net of insider buys minus sells. Green months indicate net buying; red months indicate net selling.

Most active insiders

Ranked by total transaction value over the last 90 days.

INSIDERBOUGHTSOLDNET
Huang Jack Jiajia
Chief Executive Officer
$35.0M
$35.0M
Lai Jimmy Y.
Insider
$0

Recent transactions

Every Form 4 transaction for COE, newest first.

BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx Jun 15·Filed Jun 18·EDGAR ↗
20,640 sh @ $19.63
$405K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx Jun 12·Filed Jun 18·EDGAR ↗
89,160 sh @ $20.20
$1.8M
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx Jun 11·Filed Jun 18·EDGAR ↗
29,700 sh @ $22.10
$656K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx Jun 10·Filed Jun 18·EDGAR ↗
17,580 sh @ $22.82
$401K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx Jun 9·Filed Jun 18·EDGAR ↗
35,880 sh @ $21.89
$785K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx Jun 8·Filed Jun 18·EDGAR ↗
23,340 sh @ $22.34
$521K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx Jun 5·Filed Jun 10·EDGAR ↗
14,700 sh @ $22.74
$334K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx Jun 4·Filed Jun 10·EDGAR ↗
15,420 sh @ $23.59
$364K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx Jun 3·Filed Jun 10·EDGAR ↗
8,880 sh @ $24.61
$219K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx Jun 2·Filed Jun 10·EDGAR ↗
56,700 sh @ $25.23
$1.4M
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx Jun 1·Filed Jun 10·EDGAR ↗
48,300 sh @ $25.57
$1.2M
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 29·Filed Jun 10·EDGAR ↗
21,240 sh @ $25.74
$547K
EXERCISE
Lai Jimmy Y. · Insider
Tx Jun 1·Filed Jun 1·EDGAR ↗
50,336 sh
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 28·Filed Jun 1·EDGAR ↗
25,380 sh @ $26.19
$665K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 27·Filed Jun 1·EDGAR ↗
45,840 sh @ $26.39
$1.2M
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 26·Filed Jun 1·EDGAR ↗
37,500 sh @ $26.28
$986K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 22·Filed Jun 1·EDGAR ↗
74,280 sh @ $26.76
$2.0M
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 21·Filed May 26·EDGAR ↗
28,560 sh @ $26.97
$770K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 20·Filed May 26·EDGAR ↗
45,600 sh @ $27.13
$1.2M
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 19·Filed May 26·EDGAR ↗
11,340 sh @ $26.87
$305K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 18·Filed May 26·EDGAR ↗
22,440 sh @ $28.00
$628K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 15·Filed May 26·EDGAR ↗
47,280 sh @ $26.34
$1.2M
EXERCISE10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 18·Filed May 19·EDGAR ↗
137,500 sh
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 14·Filed May 19·EDGAR ↗
30,000 sh @ $25.22
$757K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 13·Filed May 19·EDGAR ↗
19,620 sh @ $25.32
$497K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 12·Filed May 19·EDGAR ↗
28,560 sh @ $25.50
$728K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 11·Filed May 19·EDGAR ↗
6,000 sh @ $26.42
$159K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 8·Filed May 13·EDGAR ↗
73,080 sh @ $23.49
$1.7M
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 7·Filed May 13·EDGAR ↗
24,180 sh @ $25.01
$605K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 6·Filed May 13·EDGAR ↗
22,140 sh @ $27.16
$601K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 5·Filed May 8·EDGAR ↗
11,580 sh @ $28.06
$325K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 4·Filed May 8·EDGAR ↗
83,580 sh @ $28.79
$2.4M
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx May 1·Filed May 8·EDGAR ↗
52,560 sh @ $29.05
$1.5M
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx Apr 30·Filed May 8·EDGAR ↗
24,180 sh @ $28.36
$686K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx Apr 29·Filed May 8·EDGAR ↗
9,300 sh @ $27.87
$259K
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx Apr 28·Filed May 8·EDGAR ↗
64,500 sh @ $26.99
$1.7M
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx Apr 27·Filed May 8·EDGAR ↗
161,280 sh @ $26.30
$4.2M
BUY10b5-1
Huang Jack Jiajia · Chief Executive Officer
Tx Apr 24·Filed May 8·EDGAR ↗
39,720 sh @ $26.07
$1.0M

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About COE insider trading data

Form 4 is the SEC filing required when an officer, director, or 10% owner of a public company buys or sells the company's stock. By law, these filings must be submitted within two business days of the trade. Tracenotes pulls every Form 4 filing for COE from EDGAR, parses it, and surfaces the activity on this page.

What insider buying tells you. Open-market purchases by insiders are widely studied as a meaningful signal. Unlike stock awards (which are compensation, not conviction), an executive spending their own money to buy shares of the company they run is a vote of confidence. Studies have found insider-buying clusters — three or more insiders buying within a short window — outperform the broader market over the following year.

What insider selling tells you. Selling is noisier. Many sales are pre-scheduled under SEC Rule 10b5-1 plans, which let insiders sell on a fixed schedule regardless of company news. We label these "10b5-1" so you can see them. Discretionary sales — sales not tied to a plan — are more meaningful, especially when multiple insiders sell in quick succession.

Tracenotes methodology. We scan EDGAR daily for new Form 4 filings, parse them into individual transactions, and detect clusters when three or more distinct insiders buy or sell within a 14-day window. The data on this page covers the last 12 months. For deeper analysis, Tracenotes also runs language-change detection on 10-K and 10-Q filings — that's our core product.

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Frequently asked questions

What is a Form 4 filing?

Form 4 is the SEC disclosure required when a company insider — an officer, director, or 10% owner — buys or sells the company's stock. By law these filings must be submitted within two business days of the trade.

Is insider buying COE always bullish?

Open-market purchases by insiders are widely viewed as a bullish signal because executives are spending their own money. Stock awards and option exercises are part of compensation and don't carry the same weight, which is why we treat them separately on this page.

What is a 10b5-1 trade?

A trade made under SEC Rule 10b5-1, which lets insiders pre-schedule sales weeks or months in advance. These sales execute on a fixed plan regardless of company news, so they're a weaker signal than discretionary sales. We label them with a "10b5-1" tag.

What is an insider cluster?

A cluster is when three or more distinct insiders buy or sell within a 14-day window. Clusters are studied as stronger signals than single trades because multiple people independently reach the same view. We surface active clusters on 51Talk Online Education Group (COE) when they form.

Where does COE insider trading data come from?

Every Form 4 filing for COE is sourced directly from SEC EDGAR. Tracenotes scans EDGAR daily, parses each Form 4 into individual transactions, and updates this page within hours of new filings.

Nothing on this page constitutes investment advice. Form 4 data is sourced from SEC EDGAR and provided for research purposes only.

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