Chen Stephen C. — SEC Form 4 filings
SEC reporting owner CIK 1869758. 25 Form 4 filings on record with FilingPulse; latest filed 2026-09-15.
Transaction summary — filings shown
Covers all 25 filings on record, filed 2024-02-12 to 2026-09-15. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 42 legs across 17 filings — 54,819 shares, $12,274,252 total (shares × price as filed on priced legs).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 22.
- Largest priced transaction: sale of 5,677 shares @ $212.69 ($1,207,466) in Duolingo, Inc., filed 2024-09-03.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Duolingo, Inc. (DUOL) | General Counsel | 25 | — | 42 legs · 54,819 sh · $12,274,252 | 22 |
Form 4 filings — Chen Stephen C.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-15 | 4 | Duolingo, Inc. (DUOL) | Sale (S): 2,107 @ $147.43 · Sale (S): 5,965 @ $150 | EDGAR |
| 2026-08-19 | 4 | Duolingo, Inc. (DUOL) | Sale (S): 1,024 @ $129.13 | EDGAR |
| 2026-06-18 | 4 | Duolingo, Inc. (DUOL) | Option exercise (M): 58 @ $14.42 · Option exercise (M): 58 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | Duolingo, Inc. (DUOL) | Grant/award (A): 24,411 @ $112.06 · Sale (S): 820 @ $112.16 · Sale (S): 1,277 @ $113.27 · Sale (S): 700 @ $114.22 | EDGAR |
| 2026-05-13 | 4 | Duolingo, Inc. (DUOL) | Option exercise (M): 648 @ $14.42 · Option exercise (M): 648 (derivative) @ $0 | EDGAR |
| 2026-02-20 | 4 | Duolingo, Inc. (DUOL) | Sale (S): 896 @ $110.06 · Sale (S): 821 @ $111.83 · Sale (S): 480 @ $113.95 · Sale (S): 520 @ $114.55 · Sale (S): 80 @ $115.47 | EDGAR |
| 2025-12-30 | 4 | Duolingo, Inc. (DUOL) | Option exercise (M): 1,800 @ $14.42 · Option exercise (M): 1,800 (derivative) @ $0 | EDGAR |
| 2025-11-19 | 4 | Duolingo, Inc. (DUOL) | Sale (S): 1,282 @ $177.95 · Sale (S): 120 @ $173.97 · Sale (S): 594 @ $175.15 · Sale (S): 320 @ $175.94 · Sale (S): 480 @ $177.19 | EDGAR |
| 2025-09-19 | 4 | Duolingo, Inc. (DUOL) | Option exercise (M): 1,700 @ $14.42 · Option exercise (M): 1,700 (derivative) @ $0 | EDGAR |
| 2025-08-28 | 4 | Duolingo, Inc. (DUOL) | Sale (S): 1,515 @ $321.36 | EDGAR |
| 2025-08-18 | 4 | Duolingo, Inc. (DUOL) | Sale (S): 1,282 @ $329.03 | EDGAR |
| 2025-08-15 | 4 | Duolingo, Inc. (DUOL) | Gift (G): 750 @ $0 | EDGAR |
| 2025-05-19 | 4 | Duolingo, Inc. (DUOL) | Sale (S): 1,268 @ $525.07 · Sale (S): 300 @ $526.44 · Sale (S): 300 @ $527.61 · Sale (S): 467 @ $529.25 · Sale (S): 100 @ $530.22 · Sale (S): 200 @ $531.43 | EDGAR |
| 2025-05-16 | 4 | Duolingo, Inc. (DUOL) | Grant/award (A): 5,443 @ $0 · Sale (S): 1,257 @ $531.71 | EDGAR |
| 2025-02-19 | 4 | Duolingo, Inc. (DUOL) | Sale (S): 1,166 @ $435 · Sale (S): 898 @ $435.28 | EDGAR |
| 2025-02-07 | 4 | Duolingo, Inc. (DUOL) | Option exercise (M): 1,331 @ $14.42 · Option exercise (M): 1,331 (derivative) @ $0 | EDGAR |
| 2024-12-20 | 4 | Duolingo, Inc. (DUOL) | Option exercise (M): 3,700 @ $14.42 · Option exercise (M): 3,700 (derivative) @ $0 | EDGAR |
| 2024-11-20 | 4 | Duolingo, Inc. (DUOL) | Sale (S): 275 @ $307.04 · Sale (S): 1,767 @ $307.95 · Sale (S): 400 @ $309.87 · Sale (S): 200 @ $312.19 | EDGAR |
| 2024-11-18 | 4 | Duolingo, Inc. (DUOL) | Sale (S): 1,249 @ $309.30 | EDGAR |
| 2024-09-03 | 4 | Duolingo, Inc. (DUOL) | Option exercise (M): 7,382 @ $14.42 · Sale (S): 1,363 @ $208.53 · Sale (S): 3,173 @ $209.54 · Sale (S): 2,815 @ $210.62 · Sale (S): 2,977 @ $211.62 · Sale (S): 5,677 @ $212.69 · +2 more | EDGAR |
| 2024-08-16 | 4 | Duolingo, Inc. (DUOL) | Sale (S): 1,249 @ $199.50 | EDGAR |
| 2024-07-02 | 4 | Duolingo, Inc. (DUOL) | Option exercise (M): 6,715 @ $14.42 · Option exercise (M): 6,715 (derivative) @ $0 | EDGAR |
| 2024-05-16 | 4 | Duolingo, Inc. (DUOL) | Sale (S): 988 @ $0 · Grant/award (A): 9,117 @ $0 | EDGAR |
| 2024-02-20 | 4 | Duolingo, Inc. (DUOL) | Sale (S): 988 @ $0 | EDGAR |
| 2024-02-12 | 4 | Duolingo, Inc. (DUOL) | Option exercise (M): 2,000 @ $14.42 · Sale (S): 2,000 @ $190 · Option exercise (M): 2,000 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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