Chen Stephen C. Insider Trading Activity
Chen Stephen C. has been net-selling over the last 12 months with 0 purchases and 15 sales across 1 company.
DUOL is the most-traded position with 15 trades. The largest single transaction was a sale of DUOL for $487K on Aug 26, 2025.
Performance Scorecard
Forward stock performance after each transaction by Chen Stephen C.. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | +5.1% | 58% | 12 |
| 90 days | — | +22.3% | 75% | 12 |
| 120 days | — | +42.9% | 100% | 7 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersDUOL · Duolingo, Inc.
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| May 18, 2026 | DUOL | Sell | 1,277 | $113.27 | $145K | General Counsel |
| May 18, 2026 | DUOL | Sell | 700 | $114.22 | $80K | General Counsel |
| May 15, 2026 | DUOL | Sell | 820 | $112.16 | $92K | General Counsel |
| Feb 18, 2026 | DUOL | Sell | 520 | $114.55 | $60K | General Counsel |
| Feb 18, 2026 | DUOL | Sell | 80 | $115.47 | $9K | General Counsel |
| Feb 18, 2026 | DUOL | Sell | 821 | $111.83 | $92K | General Counsel |
| Feb 18, 2026 | DUOL | Sell | 480 | $113.95 | $55K | General Counsel |
| Feb 17, 2026 | DUOL | Sell | 896 | $110.06 | $99K | General Counsel |
| Nov 18, 2025 | DUOL | Sell | 120 | $173.97 | $21K | General Counsel |
| Nov 18, 2025 | DUOL | Sell | 594 | $175.15 | $104K | General Counsel |
| Nov 18, 2025 | DUOL | Sell | 320 | $175.94 | $56K | General Counsel |
| Nov 18, 2025 | DUOL | Sell | 480 | $177.19 | $85K | General Counsel |
| Nov 17, 2025 | DUOL | Sell | 1,282 | $177.95 | $228K | General Counsel |
| Aug 26, 2025 | DUOL | Sell | 1,515 | $321.36 | $487K | General Counsel |
| Aug 15, 2025 | DUOL | Sell | 1,282 | $329.03 | $422K | General Counsel |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| DUOL | Duolingo, Inc. | 15 | $2.0M |
Other insiders at Duolingo, Inc.
4 other tracked filers at DUOL.