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About Duolingo, Inc. (DUOL)
Duolingo, Inc. files with the SEC under CIK 0001562088 and is classified as prepackaged software. It is grouped with Information Technology companies on this site.
DUOL Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 26 | 250,740 | $37.69M |
| Grant or award | 6 | 5,014 | |
| Option exercise | 7 | 226,000 | |
DUOL insider transactions (Form 4)
25298 Form 4 filings on record, the earliest from Oct 3, 2024, newest first. Filing history page 3 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Matthew Skaruppa - Officer | Option exercise | Class A Common Stock | 1,378 | $14.42 | $20K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 500 | $311.38 | $156K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 300 | $312.67 | $94K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 755 | $314.16 | $237K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 1,402 | $315.27 | $442K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 2,301 | $316.24 | $728K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 800 | $317.44 | $254K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 1,501 | $318.36 | $478K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 700 | $319.33 | $224K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 1,100 | $320.50 | $353K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 1,578 | $321.33 | $507K | |
| Matthew Skaruppa - Officer | Option exercise | Stock Option (Right to Buy) | 1,378 | $0.00 | - | |
 Severin Hacker - Officer | Other | Class A Common Stock | 10,000 | $0.00 | - | |
| Severin Hacker - Officer | Gift | Class A Common Stock | 10,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 10,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class A Common Stock | 10,000 | $38.08 | $381K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,003 | $339.15 | $340K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,700 | $340.03 | $578K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,979 | $340.92 | $675K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,318 | $342.00 | $451K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 300 | $343.82 | $103K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 300 | $345.02 | $104K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 600 | $346.15 | $208K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 500 | $347.48 | $174K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 400 | $348.83 | $140K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 100 | $349.28 | $35K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 400 | $351.29 | $141K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 200 | $352.40 | $70K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 300 | $354.08 | $106K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 400 | $354.89 | $142K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 100 | $357.67 | $36K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 200 | $359.30 | $72K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 200 | $363.05 | $73K | |
| Severin Hacker - Officer | Option exercise | Stock Option (Right to Buy) | 10,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 10,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 10,000 | $0.00 | - | |
 Natalie Glance - Officer | Open-market sale | Class A Common Stock | 300 | $364.64 | $109K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 900 | $366.16 | $330K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 702 | $367.44 | $258K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 169 | $368.44 | $62K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 400 | $369.87 | $148K | |
| Natalie Glance - Officer | Gift | Class A Common Stock | 187 | $0.00 | - | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 2,797 | $329.03 | $920K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 2,533 | $329.03 | $833K | |
| Robert Meese - Officer | Open-market sale | Class A Common Stock | 1,444 | $329.03 | $475K | |
| Stephen C. Chen - Officer | Gift | Class A Common Stock | 750 | $0.00 | - | |
| Matthew Skaruppa - Officer | Gift | Class A Common Stock | 2,522 | $0.00 | - | |
| Natalie Glance - Officer | Gift | Class A Common Stock | 2,300 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class A Common Stock | 10,000 | $38.08 | $381K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 403 | $339.32 | $137K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 2,098 | $340.28 | $714K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,330 | $341.55 | $454K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 2,205 | $342.56 | $755K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 600 | $343.43 | $206K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,133 | $344.99 | $391K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 200 | $346.73 | $69K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 300 | $349.25 | $105K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 200 | $351.08 | $70K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 200 | $352.75 | $71K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 931 | $354.45 | $330K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 400 | $355.06 | $142K | |
| Severin Hacker - Officer | Option exercise | Stock Option (Right to Buy) | 10,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 10,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 10,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class A Common Stock | 10,000 | $38.08 | $381K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 2,445 | $355.31 | $869K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 728 | $356.20 | $259K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,100 | $357.47 | $393K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 300 | $358.39 | $108K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 854 | $359.65 | $307K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 373 | $360.54 | $134K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 200 | $361.87 | $72K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 620 | $363.40 | $225K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,580 | $364.55 | $576K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,200 | $365.49 | $439K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 300 | $366.32 | $110K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 100 | $367.61 | $37K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 200 | $370.05 | $74K | |
| Severin Hacker - Officer | Option exercise | Stock Option (Right to Buy) | 10,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 10,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 10,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class A Common Stock | 10,000 | $38.08 | $381K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 200 | $386.91 | $77K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 500 | $388.56 | $194K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,741 | $390.83 | $680K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,557 | $391.71 | $610K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 2,000 | $392.76 | $786K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,400 | $393.78 | $551K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 800 | $394.93 | $316K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,202 | $396.09 | $476K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 600 | $396.73 | $238K | |
| Severin Hacker - Officer | Option exercise | Stock Option (Right to Buy) | 10,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 10,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 10,000 | $0.00 | - | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 300 | $395.93 | $119K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 200 | $397.13 | $79K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 200 | $399.65 | $80K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 685 | $400.92 | $275K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 224 | $402.38 | $90K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 300 | $403.19 | $121K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 200 | $404.26 | $81K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 100 | $405.39 | $41K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 100 | $408.14 | $41K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 300 | $410.68 | $123K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 100 | $413.14 | $41K | |
| William B. Gordon - Director | Grant or award | Class A Common Stock | 379 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class A Common Stock | 10,000 | $0.00 | - | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 552 | $334.21 | $184K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 3,387 | $335.34 | $1.14M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 2,116 | $336.54 | $712K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,455 | $337.40 | $491K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,464 | $338.28 | $495K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 380 | $339.06 | $129K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 300 | $340.03 | $102K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 146 | $342.68 | $50K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 200 | $343.86 | $69K | |
| Severin Hacker - Officer | Option exercise | Stock Option (Right to Buy) | 10,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 10,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 10,000 | $0.00 | - | |
| Stephen C. Chen - Officer | Option exercise | Class A Common Stock | 3,700 | $14.42 | $53K | |
| Stephen C. Chen - Officer | Option exercise | Stock Option (Right to Buy) | 3,700 | $0.00 | - | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 300 | $339.05 | $102K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 100 | $340.21 | $34K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 100 | $341.30 | $34K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 598 | $343.05 | $205K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 967 | $344.25 | $333K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 1,023 | $345.30 | $353K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 518 | $346.32 | $179K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 1,700 | $347.63 | $591K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 6,191 | $348.48 | $2.16M | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 2,253 | $349.30 | $787K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 500 | $350.30 | $175K | |
| Ahn Luis von - Officer | Other | Class A Common Stock | 45,845 | $0.00 | - | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 900 | $334.51 | $301K | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 1,946 | $335.84 | $654K | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 4,707 | $336.75 | $1.59M | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 15,944 | $337.84 | $5.39M | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 11,413 | $338.79 | $3.87M | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 5,402 | $339.66 | $1.83M | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 1,900 | $340.63 | $647K | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 821 | $341.65 | $280K | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 1,712 | $342.72 | $587K | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 1,100 | $343.34 | $378K | |
| Ahn Luis von - Officer | Other | Class A Common Stock | 99,396 | $0.00 | - | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 1,600 | $339.04 | $542K | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 1,136 | $340.41 | $387K | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 717 | $341.91 | $245K | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 2,747 | $342.79 | $942K | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 4,033 | $343.87 | $1.39M | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 6,037 | $344.86 | $2.08M | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 4,970 | $345.85 | $1.72M | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 3,282 | $347.01 | $1.14M | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 19,360 | $347.89 | $6.74M | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 46,133 | $348.73 | $16.09M | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 8,277 | $349.68 | $2.89M | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 1,104 | $350.49 | $387K | |
| Ahn Luis von - Officer | Option exercise | Stock Option (Right to Buy) | 24,604 | $0.00 | - | |
| Ahn Luis von - Officer | Option exercise | Stock Option (Right to Buy) | 21,241 | $0.00 | - | |
| Ahn Luis von - Officer | Other | Class B Common Stock | 45,845 | $0.00 | - | |
| Ahn Luis von - Officer | Other | Class B Common Stock | 45,845 | $0.00 | - | |
| Ahn Luis von - Officer | Option exercise | Stock Option (Right to Buy) | 99,396 | $0.00 | - | |
| Ahn Luis von - Officer | Other | Class B Common Stock | 99,396 | $0.00 | - | |
| Ahn Luis von - Officer | Other | Class B Common Stock | 99,396 | $0.00 | - | |
| Ahn Luis von - Officer | Other | Class A Common Stock | 41,759 | $0.00 | - | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 1,803 | $336.83 | $607K | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 1,799 | $337.67 | $607K | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 7,423 | $338.73 | $2.51M | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 13,620 | $339.60 | $4.63M | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 4,955 | $340.84 | $1.69M | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 3,738 | $341.78 | $1.28M | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 5,952 | $342.76 | $2.04M | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 2,004 | $343.75 | $689K | |
| Ahn Luis von - Officer | Open-market sale | Class A Common Stock | 465 | $344.72 | $160K | |
| Ahn Luis von - Officer | Option exercise | Stock Option (Right to Buy) | 41,759 | $0.00 | - | |
| Ahn Luis von - Officer | Other | Class B Common Stock | 41,759 | $0.00 | - | |
| Ahn Luis von - Officer | Other | Class B Common Stock | 41,759 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class A Common Stock | 43,826 | $0.00 | - | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 704 | $335.14 | $236K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,934 | $336.26 | $650K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 8,235 | $337.33 | $2.78M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 13,457 | $338.13 | $4.55M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 10,414 | $339.15 | $3.53M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 4,385 | $340.10 | $1.49M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,597 | $341.18 | $545K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 2,000 | $342.63 | $685K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 800 | $343.50 | $275K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 300 | $344.54 | $103K | |
| Severin Hacker - Officer | Option exercise | Stock Option (Right to Buy) | 43,826 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 43,826 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 43,826 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class A Common Stock | 188,901 | $0.00 | - | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 900 | $321.29 | $289K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 622 | $322.73 | $201K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 2,482 | $323.40 | $803K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,700 | $324.88 | $552K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 2,257 | $325.71 | $735K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 3,327 | $326.80 | $1.09M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,927 | $328.10 | $632K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 2,389 | $329.02 | $786K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 904 | $330.24 | $299K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,501 | $331.13 | $497K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 2,110 | $332.09 | $701K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 4,224 | $333.16 | $1.41M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 8,370 | $334.24 | $2.80M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 7,683 | $335.11 | $2.57M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 11,554 | $336.07 | $3.88M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 3,992 | $337.33 | $1.35M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,311 | $338.11 | $443K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 6,781 | $339.31 | $2.30M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 17,469 | $340.35 | $5.95M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 14,026 | $341.42 | $4.79M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 39,297 | $342.48 | $13.46M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 27,536 | $343.38 | $9.46M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 23,975 | $344.26 | $8.25M | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,064 | $351.16 | $374K | |
| Severin Hacker - Officer | Open-market sale | Class A Common Stock | 1,500 | $352.72 | $529K | |
| Severin Hacker - Officer | Option exercise | Stock Option (Right to Buy) | 161,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 161,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 161,000 | $0.00 | - | |
| Severin Hacker - Officer | Option exercise | Stock Option (Right to Buy) | 27,901 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 27,901 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 27,901 | $0.00 | - | |
| Bonnie Ross - Director | Grant or award | Restricted Stock Units | 965 | $0.00 | - | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 600 | $367.97 | $221K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 400 | $369.30 | $148K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 300 | $370.41 | $111K | |
| Natalie Glance - Officer | Open-market sale | Class A Common Stock | 200 | $371.86 | $74K | |
| Matthew Skaruppa - Officer | Option exercise | Class A Common Stock | 8,049 | $14.42 | $116K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 200 | $341.57 | $68K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 300 | $343.18 | $103K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 300 | $343.79 | $103K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 1,000 | $345.37 | $345K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 4,214 | $346.37 | $1.46M | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 1,535 | $347.24 | $533K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 500 | $347.99 | $174K | |
| Matthew Skaruppa - Officer | Option exercise | Stock Option (Right to Buy) | 8,049 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class A Common Stock | 3,000 | $0.00 | - | |
| Severin Hacker - Officer | Gift | Class A Common Stock | 3,000 | $0.00 | - | |
| Severin Hacker - Officer | Other | Class B Common Stock | 3,000 | $0.00 | - | |
| Ahn Luis von - Officer | Option exercise | Performance-Based Restricted Stock Units | 60,000 | $0.00 | - | |
| Ahn Luis von - Officer | Tax withholding / forfeiture | Class B Common Stock | 28,230 | $351.97 | $9.94M | |
| Severin Hacker - Officer | Option exercise | Performance-Based Restricted Stock Units | 30,000 | $0.00 | - | |
| Severin Hacker - Officer | Tax withholding / forfeiture | Class B Common Stock | 14,115 | $351.97 | $4.97M | |
| Stephen C. Chen - Officer | Open-market sale | Class A Common Stock | 275 | $307.04 | $84K | |
| Stephen C. Chen - Officer | Open-market sale | Class A Common Stock | 1,767 | $307.95 | $544K | |
| Stephen C. Chen - Officer | Open-market sale | Class A Common Stock | 400 | $309.87 | $124K | |
| Stephen C. Chen - Officer | Open-market sale | Class A Common Stock | 200 | $312.19 | $62K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 765 | $307.32 | $235K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 1,000 | $308.15 | $308K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 900 | $309.36 | $278K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 700 | $310.02 | $217K | |
| Matthew Skaruppa - Officer | Open-market sale | Class A Common Stock | 226 | $312.01 | $71K |
See every DUOL filing on record
These pages show the latest 90 of 98 Form 4 filings on record. The 7-day demo shows all 98, and sign-up brings you back to this table.
Item 7.01
Item 5.02, 7.01, 9.01
Item 2.02, 9.01
Item 5.07
Recent DUOL Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| LUIS VON AHN ARELLANO | Director, Officer, 10% Stockholder | 110,046 | $16.30M | View on EDGAR | |
| LUIS VON AHN ARELLANO | Director, Officer, 10% Stockholder | 46,682 |
DUOL insider trading FAQ
What is the latest insider trade for DUOL?
Duolingo, Inc. (DUOL) had 14 insider filings in the last 90 days, with the most recent on 2026-10-14. The full record for DUOL runs to 98 Form 4 filings, the earliest from 2024-10-03. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying DUOL stock?
No insider purchases of DUOL were filed in the last 90 days. 1 purchase is on record for this company.
How many insiders are selling DUOL stock?
26 insider sales of DUOL were filed in the last 90 days, totaling $37.69M.
Where can I see DUOL SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects DUOL Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - James H. Shelton view on EDGAR
- - Mario Schlosser view on EDGAR
- - Iii John Osborne Lilly view on EDGAR
- - Amy Bohutinsky view on EDGAR
- - Ahn Luis von view on EDGAR
- - Ahn Luis von view on EDGAR
- - Ahn Luis von view on EDGAR
- - Ahn Luis von view on EDGAR
- - Stephen C. Chen view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where DUOL's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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