7 insiders reported 34 Form 4 transactions for WEBTOON Entertainment Inc. (WBTN) over the past 18 months (most recent 2026-05-29). Recent activity: Kim Yongsoo (See Remarks) Sell 12,053 shares, Kim Yongsoo (See Remarks) Sell 6,178 shares, Kim Junkoo (See Remarks) Sell 28,887 shares, Kim Yongsoo (See Remarks) Sell 985 shares, Lee David J. (See Remarks) Sell 9,686 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-29 | Kim Yongsoo | See Remarks | Sell | 12,053 | $144,395 |
| 2026-04-27 | Kim Yongsoo | See Remarks | Sell | 6,178 | $68,761 |
| 2026-04-27 | Kim Junkoo | See Remarks | Sell | 28,887 | $321,512 |
| 2026-04-16 | Kim Yongsoo | See Remarks | Sell | 985 | $11,288 |
| 2026-04-13 | Lee David J. | See Remarks | Sell | 9,686 | $107,708 |
| 2026-04-07 | Kim Yongsoo | See Remarks | Buy | 66,930 | $0 |
| 2026-04-07 | Kim Hyojung | Chief Product Officer | Buy | 17,848 | $0 |
| 2026-04-07 | Kim Junkoo | See Remarks | Buy | 178,480 | $0 |
| 2026-04-07 | Son Hyeeun | Chief Design Officer | Buy | 17,848 | $0 |
| 2026-03-16 | Kim Yongsoo | See Remarks | Sell | 1,964 | $18,088 |
| 2026-02-17 | Kim Yongsoo | See Remarks | Sell | 4,679 | $49,644 |
| 2026-02-02 | Lee David J. | See Remarks | Sell | 3,018 | $36,488 |
| 2026-02-02 | Kim Yongsoo | See Remarks | Buy | 37,868 | $0 |
| 2026-01-13 | Lee David J. | See Remarks | Sell | 10,311 | $142,292 |
| 2025-11-03 | Lee David J. | See Remarks | Sell | 3,012 | $52,800 |
| 2025-10-14 | Lee David J. | See Remarks | Sell | 9,666 | $161,422 |
| 2025-08-04 | Lee David J. | See Remarks | Sell | 3,012 | $27,801 |
| 2025-07-14 | Lee David J. | See Remarks | Sell | 9,347 | $91,694 |
| 2025-07-07 | Jeong Saeju | Director | Buy | 48,491 | $0 |
| 2025-05-30 | Kim Yongsoo | See Remarks | Sell | 11,132 | $100,967 |
| 2025-05-02 | Lee David J. | See Remarks | Sell | 2,123 | $19,595 |
| 2025-04-16 | Kim Yongsoo | See Remarks | Sell | 1,127 | $9,343 |
| 2025-04-14 | Lee David J. | See Remarks | Sell | 6,811 | $55,101 |
| 2025-04-04 | Kim Yongsoo | See Remarks | Buy | 9,142 | $0 |
| 2025-03-21 | Kim Junkoo | See Remarks | Buy | 11,372 | $99,278 |
Source: SEC Form 4 filings · as of 2026-05-29