Company insider · SEC Form 4
Luis von Ahn
Duolingo, Inc. (DUOL)
SEC Form 4 data · Jul 01, 2024 – Jun 30, 2026
Luis von Ahn's stock sales and purchases
Every open-market purchase and sale Luis von Ahn reported on Form 4 over two years, as SEC lists the filer: “von Ahn Luis”. Grants, option exercises and gifts are not trades and are left out.
- Bought
- —
- Sold
- $75.3M
- Trades
- 71
- Sales on a 10b5-1 plan
- 100%
DUOLDuolingo, Inc.President & CEO, Co-Founder
71 sales worth $75.3M (all on a 10b5-1 plan). Largest sale: $16.1M on Dec 16, 2024.
| Quarter | Bought | Sold |
|---|---|---|
| Q2 2025 | — | −$2.6M7 sales · all on a plan |
| Q1 2025 | — | −$8.4M33 sales · all on a plan |
| Q4 2024 | — | −$64.3M31 sales · all on a plan |
Most recent trades30 of 71
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$760.3K
Apr 15, 2025
2,313 sh · $328.72
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$606.7K
Apr 15, 2025
1,863 sh · $325.65
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$524.4K
Apr 15, 2025
1,600 sh · $327.77
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$365.5K
Apr 15, 2025
1,119 sh · $326.59
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$164.1K
Apr 15, 2025
505 sh · $324.97
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$132.1K
Apr 15, 2025
400 sh · $330.15
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$66.2K
Apr 15, 2025
200 sh · $330.90
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$291.1K
Mar 17, 2025
1,000 sh · $291.05
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$266.3K
Mar 17, 2025
918 sh · $290.07
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$252.6K
Mar 17, 2025
859 sh · $294.03
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$245K
Mar 17, 2025
821 sh · $298.40
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$237.8K
Mar 17, 2025
800 sh · $297.22
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$180.4K
Mar 17, 2025
600 sh · $300.68
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$147.4K
Mar 17, 2025
500 sh · $294.82
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$143.8K
Mar 17, 2025
500 sh · $287.60
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$119.8K
Mar 17, 2025
400 sh · $299.50
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$117.1K
Mar 17, 2025
400 sh · $292.79
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$88.7K
Mar 17, 2025
300 sh · $295.73
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$86.7K
Mar 17, 2025
300 sh · $289.13
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$85.6K
Mar 17, 2025
300 sh · $285.46
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$57.9K
Mar 17, 2025
202 sh · $286.83
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$30.1K
Mar 17, 2025
100 sh · $301.31
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$454.1K
Feb 18, 2025
1,047 sh · $433.74
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$435.8K
Feb 18, 2025
1,000 sh · $435.80
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$369.2K
Feb 18, 2025
853 sh · $432.78
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$362.6K
Feb 18, 2025
830 sh · $436.81
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$350.3K
Feb 18, 2025
800 sh · $437.84
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$302.7K
Feb 18, 2025
704 sh · $429.95
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$300.2K
Feb 18, 2025
700 sh · $428.85
Luis von Ahn10b5-1
President & CEO, Co-Founder · Director
−$253.1K
Feb 18, 2025
582 sh · $434.90
| Date | Insider | Shares | Price | Value |
|---|---|---|---|---|
| Apr 15, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 2,313 | $328.72 | −$760.3K |
| Apr 15, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 1,863 | $325.65 | −$606.7K |
| Apr 15, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 1,600 | $327.77 | −$524.4K |
| Apr 15, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 1,119 | $326.59 | −$365.5K |
| Apr 15, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 505 | $324.97 | −$164.1K |
| Apr 15, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 400 | $330.15 | −$132.1K |
| Apr 15, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 200 | $330.90 | −$66.2K |
| Mar 17, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 1,000 | $291.05 | −$291.1K |
| Mar 17, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 918 | $290.07 | −$266.3K |
| Mar 17, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 859 | $294.03 | −$252.6K |
| Mar 17, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 821 | $298.40 | −$245K |
| Mar 17, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 800 | $297.22 | −$237.8K |
| Mar 17, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 600 | $300.68 | −$180.4K |
| Mar 17, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 500 | $294.82 | −$147.4K |
| Mar 17, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 500 | $287.60 | −$143.8K |
| Mar 17, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 400 | $299.50 | −$119.8K |
| Mar 17, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 400 | $292.79 | −$117.1K |
| Mar 17, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 300 | $295.73 | −$88.7K |
| Mar 17, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 300 | $289.13 | −$86.7K |
| Mar 17, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 300 | $285.46 | −$85.6K |
| Mar 17, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 202 | $286.83 | −$57.9K |
| Mar 17, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 100 | $301.31 | −$30.1K |
| Feb 18, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 1,047 | $433.74 | −$454.1K |
| Feb 18, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 1,000 | $435.80 | −$435.8K |
| Feb 18, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 853 | $432.78 | −$369.2K |
| Feb 18, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 830 | $436.81 | −$362.6K |
| Feb 18, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 800 | $437.84 | −$350.3K |
| Feb 18, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 704 | $429.95 | −$302.7K |
| Feb 18, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 700 | $428.85 | −$300.2K |
| Feb 18, 2025 | Luis von Ahn10b5-1President & CEO, Co-Founder · Director | 582 | $434.90 | −$253.1K |
From SEC's quarterly Form 3, 4 and 5 data sets through Jun 30, 2026; newer filings appear on each company's page and the live dashboard. A 10b5-1 plan fixes a sale's dates or amounts in advance. Monitoring, not advice.
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Questions
- How much DUOL stock has Luis von Ahn sold?
- Between Jul 01, 2024 and Jun 30, 2026, Luis von Ahn sold $75.3M of Duolingo, Inc. (DUOL) stock in 71 open-market sales, all of them under a pre-arranged Rule 10b5-1 trading plan. The largest single sale was $16.1M on Dec 16, 2024.
- Has Luis von Ahn bought DUOL stock?
- No open-market purchase of DUOL by Luis von Ahn appears in SEC's Form 4 data for trades between Jul 01, 2024 and Jun 30, 2026. Share grants and option exercises are not counted as purchases.
- Are Luis von Ahn's stock sales planned in advance?
- 100% of the sales on record (71 of 71) were marked on the Form 4 as made under a Rule 10b5-1 plan, which fixes dates or amounts months ahead so the sale is not a reaction to that day's news. A planned sale says nothing about where the stock is going.
- Where does this data come from?
- From SEC's quarterly Form 3, 4 and 5 data sets. Company insiders like Luis von Ahn — SEC lists the filer as "von Ahn Luis", role President & CEO, Co-Founder — must report a trade in their company's stock within two business days. Only open-market purchases (code P) and sales (code S) are counted; grants, option exercises and gifts are not.
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