COE insider buying and SEC filings, explained
51Talk Online Education Group · CIK 1659494
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$32.3M
Insiders who bought
1
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Apr 10, 2026 | Open-market purchase | Ting Shu (Director) bought 7,564,500 shares indirectly (by spouse); the filing does not report a price. Holdings by spouse up 25% to 38,427,300 shares. | SEC filing Filed Oct 8, 2026, 7:37 AM ET |
| Sep 17–25, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 2,812,140 shares indirectly between Sep 17 and Sep 25 at about $11.50 ($32.3M) in an open-market purchase. Indirect holdings up 8% to 38,427,300 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 8, 2026, 6:32 AM ET |
| Apr 10–Aug 13, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 187,020 shares indirectly between Apr 10 and Aug 13 at about $21.02 ($3.9M) in an open-market purchase. Indirect holdings up 1% to 35,615,160 shares. | SEC filing Filed Aug 21, 2026 |
| Aug 11–12, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 592,320 shares indirectly between Aug 11 and Aug 12 at about $19.93 ($11.8M) in an open-market purchase. Indirect holdings up 2% to 35,428,140 shares. | SEC filing Filed Aug 13, 2026 |
| Aug 6–10, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 395,580 shares indirectly between Aug 6 and Aug 10 at about $19.53 ($7.7M) in an open-market purchase. Indirect holdings up 1% to 34,835,820 shares. | SEC filing Filed Aug 12, 2026 |
| Jul 31–Aug 5, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 740,760 shares indirectly between Jul 31 and Aug 5 at about $18.58 ($13.8M) in an open-market purchase. Indirect holdings up 2% to 34,440,240 shares. | SEC filing Filed Aug 10, 2026 |
| Jul 28–30, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 473,520 shares indirectly between Jul 28 and Jul 30 at about $17.02 ($8.1M) in an open-market purchase. Indirect holdings up 1% to 33,699,480 shares. | SEC filing Filed Aug 5, 2026 |
| Jul 24–27, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 637,200 shares indirectly between Jul 24 and Jul 27 at about $16.76 ($10.7M) in an open-market purchase. Indirect holdings up 2% to 33,225,960 shares. | SEC filing Filed Jul 30, 2026 |
| Jul 21–23, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 1,103,820 shares indirectly between Jul 21 and Jul 23 at about $16.18 ($17.9M) in an open-market purchase. Indirect holdings up 4% to 32,588,760 shares. | SEC filing Filed Jul 27, 2026 |
| Jul 14–20, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 622,140 shares indirectly between Jul 14 and Jul 20 at about $16.86 ($10.5M) in an open-market purchase. Indirect holdings up 2% to 31,484,940 shares. | SEC filing Filed Jul 23, 2026 |
| Jul 9–13, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 495,360 shares indirectly between Jul 9 and Jul 13 at about $17.12 ($8.5M) in an open-market purchase. Indirect holdings up 2% to 30,862,800 shares. | SEC filing Filed Jul 20, 2026 |
| Mar 26, 2026 | Open-market purchase | Ting Shu (Director) bought 7,471,500 shares indirectly (by spouse); the filing does not report a price. Holdings by spouse up 32% to 30,862,800 shares. | SEC filing Filed Jul 20, 2026 |
| Jul 6–8, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 562,560 shares indirectly between Jul 6 and Jul 8 at about $16.55 ($9.3M) in an open-market purchase. Indirect holdings up 2% to 30,367,440 shares. | SEC filing Filed Jul 13, 2026 |
| Jun 29–Jul 2, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 1,444,920 shares indirectly between Jun 29 and Jul 2 at about $16.26 ($23.5M) in an open-market purchase. Indirect holdings up 5% to 29,804,880 shares. | SEC filing Filed Jul 8, 2026 |
| Jun 23–26, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 1,063,080 shares indirectly between Jun 23 and Jun 26 at about $15.54 ($16.5M) in an open-market purchase. Indirect holdings up 4% to 28,359,960 shares. | SEC filing Filed Jun 30, 2026 |
| Jun 16–22, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 263,940 shares indirectly between Jun 16 and Jun 22 at about $17.25 ($4.6M) in an open-market purchase. Indirect holdings up 1% to 27,296,880 shares. | SEC filing Filed Jun 26, 2026 |
| Jun 8–15, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 216,300 shares indirectly between Jun 8 and Jun 15 at about $21.13 ($4.6M) in an open-market purchase. Indirect holdings up 1% to 27,032,940 shares. | SEC filing Filed Jun 18, 2026 |
| May 29–Jun 5, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 165,240 shares indirectly between May 29 and Jun 5 at about $24.99 ($4.1M) in an open-market purchase. Indirect holdings up 1% to 26,816,640 shares. | SEC filing Filed Jun 10, 2026 |
| May 22–28, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 183,000 shares indirectly between May 22 and May 28 at about $26.49 ($4.8M) in an open-market purchase. Indirect holdings up 1% to 26,651,400 shares. | SEC filing Filed Jun 1, 2026 |
| May 15–21, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 155,220 shares indirectly between May 15 and May 21 at about $26.97 ($4.2M) in an open-market purchase. Indirect holdings up 1% to 26,468,400 shares. | SEC filing Filed May 26, 2026 |
| May 11–14, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 84,180 shares indirectly between May 11 and May 14 at about $25.42 ($2.1M) in an open-market purchase. Indirect holdings up <1% to 26,313,180 shares. | SEC filing Filed May 19, 2026 |
| May 6–8, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 119,400 shares indirectly between May 6 and May 8 at about $24.48 ($2.9M) in an open-market purchase. Indirect holdings up <1% to 26,229,000 shares. | SEC filing Filed May 13, 2026 |
| Apr 24–May 5, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 446,700 shares indirectly between Apr 24 and May 5 at about $27.36 ($12.2M) in an open-market purchase. Indirect holdings up 2% to 26,109,600 shares. | SEC filing Filed May 8, 2026 |
| Apr 20–23, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 146,400 shares indirectly between Apr 20 and Apr 23 at about $24.89 ($3.6M) in an open-market purchase. Indirect holdings up 1% to 25,662,900 shares. | SEC filing Filed Apr 27, 2026 |
| Apr 13–17, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 384,960 shares indirectly between Apr 13 and Apr 17 at about $24.83 ($9.6M) in an open-market purchase. Indirect holdings up 2% to 25,516,500 shares. | SEC filing Filed Apr 22, 2026 |
| Mar 26–Apr 9, 2026 | Open-market purchase | Jack Jiajia Huang (CEO and Director) bought 1,740,240 shares indirectly between Mar 26 and Apr 9 at about $20.30 ($35.3M) in an open-market purchase. Indirect holdings up 7% to 25,131,540 shares. | SEC filing Filed Apr 13, 2026 |
15 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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