Chen Stephen C. insider trades
Chen Stephen C. has filed 46 Form 4s with the SEC that we hold, all for Duolingo, Inc. (DUOL), as General Counsel. Across all of them we count 0 purchases worth $0 and 92 sales worth $28.2M reported on Form 4. In the last 12 months: 0 purchases ($0) and 16 sales ($2.5M). The largest single trade was a sale of 8,742 shares of Duolingo, Inc. worth $1.4M, dated 2023-09-11. Of 2 sales filed since we began reading the 10b5-1 checkbox, 2 (100%) were marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2021-09-22 and the latest 2026-09-15.
Duolingo, Inc. (DUOL)
General Counsel · 46 filings · 92 purchases and sales
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-11-15 | S, sale reported on Form 4 | 100 | $15.1K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 400 | $59.5K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 903 | $133.5K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 3,530 | $517.1K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 3,339 | $487.2K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 600 | $86.8K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 500 | $71.6K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 1,629 | $230.1K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 3,457 | $485.1K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 1,109 | $154.5K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 1,932 | $266.8K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 25 | $3.7K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 135 | $19.7K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 26 | $3.8K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 9 | $1.3K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 6 | $851 | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 20 | $2.8K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 38 | $5.3K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 37 | $5.1K | 2021-11-17 |
| 2021-11-15 | S, sale reported on Form 4 | 45 | $6.2K | 2021-11-17 |
| 2022-02-15 | S, sale reported on Form 4 | 14 | $1.3K | 2022-02-24 |
| 2022-02-15 | S, sale reported on Form 4 | 1 | $101 | 2022-02-24 |
| 2022-02-15 | S, sale reported on Form 4 | 27 | $2.6K | 2022-02-24 |
| 2022-02-15 | S, sale reported on Form 4 | 17 | $1.7K | 2022-02-24 |
| 2022-02-15 | S, sale reported on Form 4 | 20 | $2.0K | 2022-02-24 |
| 2022-02-15 | S, sale reported on Form 4 | 18 | $1.8K | 2022-02-24 |
| 2022-02-15 | S, sale reported on Form 4 | 97 | $9.5K | 2022-02-17 |
| 2022-05-16 | S, sale reported on Form 4 | 75 | $6.8K | 2022-05-18 |
| 2022-06-08 | S, sale reported on Form 4 | 4,007 | $409.2K | 2022-06-10 |
| 2022-06-09 | S, sale reported on Form 4 | 100 | $10.2K | 2022-06-10 |
| 2022-06-21 | S, sale reported on Form 4 | 10,535 | $1.1M | 2022-06-22 |
| 2022-06-24 | S, sale reported on Form 4 | 1,097 | $115.6K | 2022-06-27 |
| 2022-06-24 | S, sale reported on Form 4 | 7,348 | $753.7K | 2022-06-27 |
| 2022-06-24 | S, sale reported on Form 4 | 10,712 | $1.1M | 2022-06-27 |
| 2022-06-24 | S, sale reported on Form 4 | 6,201 | $648.0K | 2022-06-27 |
| 2022-08-15 | S, sale reported on Form 4 | 673 | $71.6K | 2022-08-17 |
| 2022-11-15 | S, sale reported on Form 4 | 674 | $50.1K | 2022-11-17 |
| 2023-02-15 | S, sale reported on Form 4 | 484 | $46.9K | 2023-02-17 |
| 2023-03-07 | S, sale reported on Form 4 | 10,748 | $1.4M | 2023-03-08 |
| 2023-03-21 | S, sale reported on Form 4 | 9,252 | $1.2M | 2023-03-22 |
| 2023-05-15 | S, sale reported on Form 4 | 669 | $94.2K | 2023-05-16 |
| 2023-08-15 | S, sale reported on Form 4 | 988 | $130.9K | 2023-08-17 |
| 2023-09-08 | S, sale reported on Form 4 | 5,325 | $852.4K | 2023-09-12 |
| 2023-09-11 | S, sale reported on Form 4 | 8,742 | $1.4M | 2023-09-12 |
| 2023-09-11 | S, sale reported on Form 4 | 100 | $16.1K | 2023-09-12 |
| 2023-11-15 | S, sale reported on Form 4 | 988 | $207.3K | 2023-11-16 |
| 2024-01-04 | S, sale reported on Form 4 | 5,396 | $1.1M | 2024-01-05 |
| 2024-01-04 | S, sale reported on Form 4 | 3,840 | $791.0K | 2024-01-05 |
| 2024-01-04 | S, sale reported on Form 4 | 1,586 | $328.6K | 2024-01-05 |
| 2024-01-04 | S, sale reported on Form 4 | 4,722 | $983.0K | 2024-01-05 |
| 2024-01-04 | S, sale reported on Form 4 | 2,091 | $437.0K | 2024-01-05 |
| 2024-01-04 | S, sale reported on Form 4 | 365 | $76.8K | 2024-01-05 |
| 2024-02-09 | S, sale reported on Form 4 | 2,000 | $380.0K | 2024-02-12 |
| 2024-08-15 | S, sale reported on Form 4 | 1,249 | $249.2K | 2024-08-16 |
| 2024-08-30 | S, sale reported on Form 4 | 5,677 | $1.2M | 2024-09-03 |
| 2024-08-30 | S, sale reported on Form 4 | 3,459 | $738.2K | 2024-09-03 |
| 2024-08-30 | S, sale reported on Form 4 | 2,977 | $630.0K | 2024-09-03 |
| 2024-08-30 | S, sale reported on Form 4 | 2,815 | $592.9K | 2024-09-03 |
| 2024-08-30 | S, sale reported on Form 4 | 3,173 | $664.9K | 2024-09-03 |
| 2024-08-30 | S, sale reported on Form 4 | 1,363 | $284.2K | 2024-09-03 |
| 2024-11-15 | S, sale reported on Form 4 | 1,249 | $386.3K | 2024-11-18 |
| 2024-11-18 | S, sale reported on Form 4 | 1,767 | $544.1K | 2024-11-20 |
| 2024-11-18 | S, sale reported on Form 4 | 400 | $123.9K | 2024-11-20 |
| 2024-11-18 | S, sale reported on Form 4 | 200 | $62.4K | 2024-11-20 |
| 2024-11-18 | S, sale reported on Form 4 | 275 | $84.4K | 2024-11-20 |
| 2025-02-18 | S, sale reported on Form 4 | 898 | $390.9K | 2025-02-19 |
| 2025-02-18 | S, sale reported on Form 4 | 1,166 | $507.2K | 2025-02-19 |
| 2025-05-15 | S, sale reported on Form 4 | 1,257 | $668.4K | 2025-05-16 |
| 2025-05-16 | S, sale reported on Form 4 | 1,268 | $665.8K | 2025-05-19 |
| 2025-05-16 | S, sale reported on Form 4 | 300 | $158.3K | 2025-05-19 |
| 2025-05-16 | S, sale reported on Form 4 | 200 | $106.3K | 2025-05-19 |
| 2025-05-16 | S, sale reported on Form 4 | 300 | $157.9K | 2025-05-19 |
| 2025-05-16 | S, sale reported on Form 4 | 467 | $247.2K | 2025-05-19 |
| 2025-05-16 | S, sale reported on Form 4 | 100 | $53.0K | 2025-05-19 |
| 2025-08-15 | S, sale reported on Form 4 | 1,282 | $421.8K | 2025-08-18 |
| 2025-08-26 | S, sale reported on Form 4 | 1,515 | $486.9K | 2025-08-28 |
| 2025-11-17 | S, sale reported on Form 4 | 1,282 | $228.1K | 2025-11-19 |
| 2025-11-18 | S, sale reported on Form 4 | 480 | $85.1K | 2025-11-19 |
| 2025-11-18 | S, sale reported on Form 4 | 320 | $56.3K | 2025-11-19 |
| 2025-11-18 | S, sale reported on Form 4 | 594 | $104.0K | 2025-11-19 |
| 2025-11-18 | S, sale reported on Form 4 | 120 | $20.9K | 2025-11-19 |
| 2026-02-17 | S, sale reported on Form 4 | 896 | $98.6K | 2026-02-20 |
| 2026-02-18 | S, sale reported on Form 4 | 821 | $91.8K | 2026-02-20 |
| 2026-02-18 | S, sale reported on Form 4 | 480 | $54.7K | 2026-02-20 |
| 2026-02-18 | S, sale reported on Form 4 | 520 | $59.6K | 2026-02-20 |
| 2026-02-18 | S, sale reported on Form 4 | 80 | $9.2K | 2026-02-20 |
| 2026-05-15 | S, sale reported on Form 4 | 820 | $92.0K | 2026-05-19 |
| 2026-05-18 | S, sale reported on Form 4 | 1,277 | $144.6K | 2026-05-19 |
| 2026-05-18 | S, sale reported on Form 4 | 700 | $80.0K | 2026-05-19 |
| 2026-08-17 | S, sale reported on Form 4 | 1,024 | $132.2K | 2026-08-19 |
| 2026-09-14 | S, sale reported on Form 4 | 2,107 | $310.6K | 2026-09-15 |
| 2026-09-14 | S, sale reported on Form 4 | 5,965 | $894.8K | 2026-09-15 |
Source
Counted from the Form 4 filings this reporting owner (SEC CIK 1869758) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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