Stocks · Technology · Services-Prepackaged Software

Duolingo, Inc.

DUOL Clue Score85
United States Fiscal year ends December CIK 0001562088
149.92
-0.86%
Close, 9 Oct 2026 · USD

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
149.92 on 9 Oct 2026
341 216 90 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $330.00 14 Oct 2025 $332.60 15 Oct 2025 $341.08 16 Oct 2025 $330.56 17 Oct 2025 $324.02 20 Oct 2025 $312.73 21 Oct 2025 $317.61 22 Oct 2025 $307.57 23 Oct 2025 $313.45 24 Oct 2025 $312.00 27 Oct 2025 $306.73 28 Oct 2025 $293.88 29 Oct 2025 $272.76 30 Oct 2025 $262.82 31 Oct 2025 $270.64 3 Nov 2025 $264.93 4 Nov 2025 $262.04 5 Nov 2025 $260.02 6 Nov 2025 $193.74 7 Nov 2025 $201.21 10 Nov 2025 $192.80 11 Nov 2025 $194.89 12 Nov 2025 $186.58 13 Nov 2025 $186.54 14 Nov 2025 $185.07 17 Nov 2025 $178.27 18 Nov 2025 $175.45 19 Nov 2025 $174.48 20 Nov 2025 $168.01 21 Nov 2025 $172.78 24 Nov 2025 $172.47 25 Nov 2025 $175.76 26 Nov 2025 $188.43 28 Nov 2025 $191.41 1 Dec 2025 $185.45 2 Dec 2025 $182.61 3 Dec 2025 $185.34 4 Dec 2025 $188.38 5 Dec 2025 $199.75 8 Dec 2025 $207.92 9 Dec 2025 $209.08 10 Dec 2025 $197.44 11 Dec 2025 $200.96 12 Dec 2025 $196.28 15 Dec 2025 $185.97 16 Dec 2025 $186.77 17 Dec 2025 $183.95 18 Dec 2025 $182.89 19 Dec 2025 $185.96 22 Dec 2025 $185.37 23 Dec 2025 $179.26 24 Dec 2025 $180.69 26 Dec 2025 $181.66 29 Dec 2025 $180.17 30 Dec 2025 $177.14 31 Dec 2025 $175.50 2 Jan 2026 $176.48 5 Jan 2026 $185.15 6 Jan 2026 $178.94 7 Jan 2026 $176.30 8 Jan 2026 $173.87 9 Jan 2026 $176.66 12 Jan 2026 $161.74 13 Jan 2026 $165.80 14 Jan 2026 $156.27 15 Jan 2026 $154.42 16 Jan 2026 $150.16 20 Jan 2026 $148.58 21 Jan 2026 $146.81 22 Jan 2026 $153.70 23 Jan 2026 $155.98 26 Jan 2026 $151.56 27 Jan 2026 $146.08 28 Jan 2026 $142.80 29 Jan 2026 $139.47 30 Jan 2026 $134.06 2 Feb 2026 $131.93 3 Feb 2026 $120.28 4 Feb 2026 $116.90 5 Feb 2026 $114.34 6 Feb 2026 $119.40 9 Feb 2026 $118.91 10 Feb 2026 $120.70 11 Feb 2026 $109.30 12 Feb 2026 $112.05 13 Feb 2026 $112.57 17 Feb 2026 $112.08 18 Feb 2026 $112.46 19 Feb 2026 $111.11 20 Feb 2026 $112.94 23 Feb 2026 $106.14 24 Feb 2026 $109.43 25 Feb 2026 $111.65 26 Feb 2026 $117.45 27 Feb 2026 $101.00 2 Mar 2026 $100.82 3 Mar 2026 $101.61 4 Mar 2026 $96.17 5 Mar 2026 $101.54 6 Mar 2026 $101.92 9 Mar 2026 $100.42 10 Mar 2026 $95.18 11 Mar 2026 $98.81 12 Mar 2026 $94.92 13 Mar 2026 $98.39 16 Mar 2026 $101.95 17 Mar 2026 $104.36 18 Mar 2026 $100.05 19 Mar 2026 $99.61 20 Mar 2026 $98.05 23 Mar 2026 $99.75 24 Mar 2026 $97.68 25 Mar 2026 $99.12 26 Mar 2026 $98.11 27 Mar 2026 $95.35 30 Mar 2026 $94.12 31 Mar 2026 $98.57 1 Apr 2026 $96.19 2 Apr 2026 $96.54 6 Apr 2026 $99.38 7 Apr 2026 $96.29 8 Apr 2026 $91.06 9 Apr 2026 $90.53 10 Apr 2026 $90.03 13 Apr 2026 $93.53 14 Apr 2026 $91.46 15 Apr 2026 $98.78 16 Apr 2026 $103.45 17 Apr 2026 $100.51 20 Apr 2026 $104.84 21 Apr 2026 $102.63 22 Apr 2026 $105.52 23 Apr 2026 $100.29 24 Apr 2026 $103.45 27 Apr 2026 $103.30 28 Apr 2026 $106.24 29 Apr 2026 $106.82 30 Apr 2026 $110.10 1 May 2026 $111.25 4 May 2026 $110.23 5 May 2026 $104.03 6 May 2026 $105.02 7 May 2026 $113.61 8 May 2026 $107.99 11 May 2026 $105.15 12 May 2026 $106.01 13 May 2026 $104.98 14 May 2026 $109.16 15 May 2026 $112.06 18 May 2026 $113.24 19 May 2026 $114.10 20 May 2026 $106.82 21 May 2026 $105.64 22 May 2026 $106.61 26 May 2026 $106.48 27 May 2026 $107.82 28 May 2026 $108.67 29 May 2026 $111.36 1 Jun 2026 $117.97 2 Jun 2026 $109.95 3 Jun 2026 $107.40 4 Jun 2026 $109.15 5 Jun 2026 $109.03 8 Jun 2026 $117.96 9 Jun 2026 $117.86 10 Jun 2026 $121.92 11 Jun 2026 $123.85 12 Jun 2026 $122.63 15 Jun 2026 $127.06 16 Jun 2026 $128.07 17 Jun 2026 $123.39 18 Jun 2026 $125.56 22 Jun 2026 $127.25 23 Jun 2026 $132.18 24 Jun 2026 $132.15 25 Jun 2026 $119.94 26 Jun 2026 $121.49 29 Jun 2026 $116.03 30 Jun 2026 $115.02 1 Jul 2026 $121.22 2 Jul 2026 $125.76 6 Jul 2026 $129.72 7 Jul 2026 $131.95 8 Jul 2026 $127.57 9 Jul 2026 $129.95 10 Jul 2026 $124.76 13 Jul 2026 $132.34 14 Jul 2026 $128.35 15 Jul 2026 $131.22 16 Jul 2026 $128.94 17 Jul 2026 $133.85 20 Jul 2026 $133.89 21 Jul 2026 $124.71 22 Jul 2026 $119.51 23 Jul 2026 $120.67 24 Jul 2026 $122.24 27 Jul 2026 $132.82 28 Jul 2026 $140.73 29 Jul 2026 $140.17 30 Jul 2026 $133.60 31 Jul 2026 $134.81 3 Aug 2026 $135.80 4 Aug 2026 $137.75 5 Aug 2026 $135.32 6 Aug 2026 $122.58 7 Aug 2026 $130.90 10 Aug 2026 $137.19 11 Aug 2026 $135.44 12 Aug 2026 $134.63 13 Aug 2026 $144.10 14 Aug 2026 $132.83 17 Aug 2026 $130.16 18 Aug 2026 $139.64 19 Aug 2026 $146.03 20 Aug 2026 $147.03 21 Aug 2026 $146.13 24 Aug 2026 $146.84 25 Aug 2026 $146.04 26 Aug 2026 $140.88 27 Aug 2026 $142.86 28 Aug 2026 $146.98 31 Aug 2026 $148.36 1 Sep 2026 $158.77 2 Sep 2026 $157.85 3 Sep 2026 $158.82 4 Sep 2026 $154.46 8 Sep 2026 $146.39 9 Sep 2026 $139.24 10 Sep 2026 $145.16 11 Sep 2026 $143.68 14 Sep 2026 $151.14 15 Sep 2026 $153.92 16 Sep 2026 $148.17 17 Sep 2026 $147.10 18 Sep 2026 $141.90 21 Sep 2026 $149.42 22 Sep 2026 $147.71 23 Sep 2026 $145.98 24 Sep 2026 $147.75 25 Sep 2026 $143.51 28 Sep 2026 $134.30 29 Sep 2026 $142.62 30 Sep 2026 $142.40 1 Oct 2026 $146.57 2 Oct 2026 $144.27 5 Oct 2026 $147.10 6 Oct 2026 $148.13 7 Oct 2026 $151.72 8 Oct 2026 $151.22 9 Oct 2026 $149.92 Hacker Severin Chief Tech Officer, Co-Founder Sold on a plan $3.15M 20 Oct 2025 · at $314.72 · 99.3% of stake Hacker Severin Chief Tech Officer, Co-Founder Sold on a plan $2.63M 4 Nov 2025 · at $263.13 · 99.3% of stake Chen Stephen C. General Counsel Sold on a plan $228.13K 17 Nov 2025 · at $177.95 · 3.7% of stake Meese Robert Chief Business Officer Sold at will $256.96K 17 Nov 2025 · at $177.95 · 1.2% of stake Glance Natalie Chief Engineering Officer Sold on a plan $450.93K 17 Nov 2025 · at $177.95 · 2.2% of stake Skaruppa Matthew Chief Financial Officer Sold on a plan $498.08K 17 Nov 2025 · at $177.95 · 6.5% of stake Chen Stephen C. General Counsel Sold on a plan $266.27K 18 Nov 2025 · at $175.87 · 4.6% of stake Glance Natalie Chief Engineering Officer Sold on a plan $434.37K 18 Nov 2025 · at $175.79 · 2.2% of stake Skaruppa Matthew Chief Financial Officer Sold on a plan $537.64K 18 Nov 2025 · at $175.76 · 7.5% of stake Hacker Severin Chief Tech Officer, Co-Founder Sold on a plan $1.73M 19 Nov 2025 · at $172.74 · 99.3% of stake Chen Stephen C. General Counsel Sold on a plan $98.61K 17 Feb 2026 · at $110.06 · 2.7% of stake Meese Robert Chief Business Officer Sold at will $110.06K 17 Feb 2026 · at $110.06 · 0.8% of stake Glance Natalie Chief Engineering Officer Sold on a plan $191.61K 17 Feb 2026 · at $110.06 · 1.4% of stake Skaruppa Matthew Chief Financial Officer Sold on a plan $205.81K 17 Feb 2026 · at $110.06 · 5.0% of stake Chen Stephen C. General Counsel Sold on a plan $215.31K 18 Feb 2026 · at $113.26 · 5.9% of stake Glance Natalie Chief Engineering Officer Sold on a plan $402.40K 18 Feb 2026 · at $113.51 · 3.0% of stake Skaruppa Matthew Chief Financial Officer Sold on a plan $452.49K 18 Feb 2026 · at $113.52 · 11.2% of stake Shelton James H Director Bought $498.79K 3 Mar 2026 · at $99.76 · 108% of stake Chen Stephen C. General Counsel Sold on a plan $91.97K 15 May 2026 · at $112.16 · 1.5% of stake Meese Robert Chief Business Officer Sold at will $159.27K 15 May 2026 · at $112.16 · 0.8% of stake Glance Natalie Chief Engineering Officer Sold on a plan $216.36K 15 May 2026 · at $112.16 · 1.1% of stake Chen Stephen C. General Counsel Sold on a plan $224.60K 18 May 2026 · at $113.61 · 3.6% of stake Glance Natalie Chief Engineering Officer Sold on a plan $381.66K 18 May 2026 · at $113.59 · 1.9% of stake Chen Stephen C. General Counsel Sold at will $132.23K 17 Aug 2026 · at $129.13 · 1.9% of stake Meese Robert Chief Business Officer Sold at will $174.84K 17 Aug 2026 · at $129.13 · 0.8% of stake Glance Natalie Chief Engineering Officer Sold on a plan $355.24K 17 Aug 2026 · at $129.13 · 1.6% of stake Glance Natalie Chief Engineering Officer Sold on a plan $212.08K 18 Aug 2026 · at $137.80 · 0.9% of stake GORDON WILLIAM B Director Sold on a plan $1.46M 8 Sep 2026 · at $145.67 · 12.8% of stake Chen Stephen C. General Counsel Sold on a plan $1.21M 14 Sep 2026 · at $149.33 · 15.6% of stake von Ahn Luis President & CEO, Co-Founder Sold on a plan $4.25M 16 Sep 2026 · at $150.22 · 100% of stake von Ahn Luis President & CEO, Co-Founder Sold on a plan $5.62M 21 Sep 2026 · at $150.53 · 100% of stake von Ahn Luis President & CEO, Co-Founder Sold on a plan $549.00K 22 Sep 2026 · at $151.91 · 100% of stake von Ahn Luis President & CEO, Co-Founder Sold on a plan $7.03M 24 Sep 2026 · at $150.63 · 100% of stake von Ahn Luis President & CEO, Co-Founder Sold on a plan $16.69M 7 Oct 2026 · at $151.70 · 100% of stake
1 buy5 sales at will28 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$1.04B
Net income
$414.07M
Free cash flow
$369.73M
Gross margin
72.2%
Operating margin
13.1%
Net margin
39.9%
Return on equity
30.7%
Return on capital
10.1%
Revenue growth, 1 yr
38.7%
Revenue growth, 5 yr
45.0% a year
EPS growth, 1 yr
355.9%

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
162M -16M FY20 Fiscal year 2020 Revenue $161.70M Net income $15.78M Margin -9.8% 251M -60M FY21 Fiscal year 2021 Revenue $250.77M Net income $60.14M Margin -24.0% · growth +55.1% 369M -60M FY22 Fiscal year 2022 Revenue $369.50M Net income $59.57M Margin -16.1% · growth +47.3% 531M 16M FY23 Fiscal year 2023 Revenue $531.11M Net income $16.07M Margin 3.0% · growth +43.7% 748M 89M FY24 Fiscal year 2024 Revenue $748.02M Net income $88.57M Margin 11.8% · growth +40.8% 1B 414M FY25 Fiscal year 2025 Revenue $1.04B Net income $414.07M Margin 39.9% · growth +38.7%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
7 Oct 2026 von Ahn Luis
President & CEO, Co-Founder
Sold on a plan $16.69M 100%
24 Sep 2026 von Ahn Luis
President & CEO, Co-Founder
Sold on a plan $7.03M 100%
22 Sep 2026 von Ahn Luis
President & CEO, Co-Founder
Sold on a plan $549.00K 100%
21 Sep 2026 von Ahn Luis
President & CEO, Co-Founder
Sold on a plan $5.62M 100%
16 Sep 2026 von Ahn Luis
President & CEO, Co-Founder
Sold on a plan $4.25M 100%
14 Sep 2026 Chen Stephen C.
General Counsel
Sold on a plan $1.21M 15.6%