Severin Hacker

Track

Insider profile

Currently holds a position at Duolingo Inc

Performance

Overall performance
2.5
Performance over holding periods
2.5
30 days 90 days 120 days
Average return 3% 8.2% 15.1%
Success rate 42% 68% 82%
Transactions
14 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
Co-Founder, Chief Technology Officer Duolingo Inc None -
Severin Hacker's trades of Duolingo Inc's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2025-11-20 2025-11-19
US Duolingo Inc (DUOL)
PlS Planned sale
3,800 -23.5%
472.75
US$4,598,587 		3,800 -23.5% 472.75 US$4,598,587
2025-11-20 2025-11-19
US Duolingo Inc (DUOL)
PlS Planned sale
65,222 +18.1%
462.30
US$181,624 		65,222 +18.1% 462.30 US$181,624
2025-11-20 2025-11-19
US Duolingo Inc (DUOL)
PlS Planned sale
49,328 -18.6%
367.25
US$2,517,878 		49,328 -18.6% 367.25 US$2,517,878
2025-11-20 2025-11-19
US Duolingo Inc (DUOL)
PlS Planned sale
760 -16.4%
173.74
US$132,046 		760 -16.4% 173.74 US$132,046
2025-11-20 2025-11-19
US Duolingo Inc (DUOL)
PlS Planned sale
1,281 -21.6%
172.39
US$220,831 		1,281 -21.6% 172.39 US$220,831
2025-11-20 2025-11-19
US Duolingo Inc (DUOL)
PlS Planned sale
2,009 -25.3%
171.50
US$344,534 		2,009 -25.3% 171.50 US$344,534
2025-11-20 2025-11-19
US Duolingo Inc (DUOL)
PlS Planned sale
1,000 -11.2%
170.55
US$170,549 		1,000 -11.2% 170.55 US$170,549
2025-11-20 2025-11-19
US Duolingo Inc (DUOL)
PlS Planned sale
1,146 -11.4%
169.57
US$194,324 		1,146 -11.4% 169.57 US$194,324
2025-11-06 2025-11-04
US Duolingo Inc (DUOL)
PlS Planned sale
1,145 -94.1%
266.87
US$305,564 		1,145 -94.1% 266.87 US$305,564
2025-11-06 2025-11-04
US Duolingo Inc (DUOL)
PlS Planned sale
1,727 -58.7%
266.12
US$459,594 		1,727 -58.7% 266.12 US$459,594
2025-11-06 2025-11-04
US Duolingo Inc (DUOL)
PlS Planned sale
760 -20.5%
265.02
US$201,412 		760 -20.5% 265.02 US$201,412
2025-11-06 2025-11-04
US Duolingo Inc (DUOL)
PlS Planned sale
1,625 -30.5%
264.06
US$429,098 		1,625 -30.5% 264.06 US$429,098
2025-11-06 2025-11-04
US Duolingo Inc (DUOL)
PlS Planned sale
560 -9.5%
262.97
US$147,265 		560 -9.5% 262.97 US$147,265
2025-11-06 2025-11-04
US Duolingo Inc (DUOL)
PlS Planned sale
1,778 -23.2%
261.94
US$465,736 		1,778 -23.2% 261.94 US$465,736
2025-11-06 2025-11-04
US Duolingo Inc (DUOL)
PlS Planned sale
165 -2.1%
261.14
US$43,088 		165 -2.1% 261.14 US$43,088
2025-11-06 2025-11-04
US Duolingo Inc (DUOL)
PlS Planned sale
560 -6.7%
259.71
US$145,436 		560 -6.7% 259.71 US$145,436
2025-11-06 2025-11-04
US Duolingo Inc (DUOL)
PlS Planned sale
936 -10.0%
258.77
US$242,213 		936 -10.0% 258.77 US$242,213
2025-11-06 2025-11-04
US Duolingo Inc (DUOL)
PlS Planned sale
744 -7.4%
257.92
US$191,892 		744 -7.4% 257.92 US$191,892
2025-10-22 2025-10-20
US Duolingo Inc (DUOL)
PlS Planned sale
100 -58.1%
324.10
US$32,410 		100 -58.1% 324.10 US$32,410
2025-10-22 2025-10-20
US Duolingo Inc (DUOL)
PlS Planned sale
300 -63.6%
323.09
US$96,927 		300 -63.6% 323.09 US$96,927
2025-10-22 2025-10-20
US Duolingo Inc (DUOL)
PlS Planned sale
400 -45.9%
321.75
US$128,699 		400 -45.9% 321.75 US$128,699
2025-10-22 2025-10-20
US Duolingo Inc (DUOL)
PlS Planned sale
300 -25.6%
319.97
US$95,991 		300 -25.6% 319.97 US$95,991
2025-10-22 2025-10-20
US Duolingo Inc (DUOL)
PlS Planned sale
907 -43.6%
318.73
US$289,085 		907 -43.6% 318.73 US$289,085
2025-10-22 2025-10-20
US Duolingo Inc (DUOL)
PlS Planned sale
680 -24.6%
317.68
US$216,025 		680 -24.6% 317.68 US$216,025
2025-10-22 2025-10-20
US Duolingo Inc (DUOL)
PlS Planned sale
1,600 -36.7%
316.64
US$506,617 		1,600 -36.7% 316.64 US$506,617
2025-10-22 2025-10-20
US Duolingo Inc (DUOL)
PlS Planned sale
1,100 -20.2%
315.79
US$347,365 		1,100 -20.2% 315.79 US$347,365
2025-10-22 2025-10-20
US Duolingo Inc (DUOL)
PlS Planned sale
500 -8.4%
313.93
US$156,967 		500 -8.4% 313.93 US$156,967
2025-10-22 2025-10-20
US Duolingo Inc (DUOL)
PlS Planned sale
1,281 -17.7%
312.37
US$400,152 		1,281 -17.7% 312.37 US$400,152
2025-10-22 2025-10-20
US Duolingo Inc (DUOL)
PlS Planned sale
1,000 -12.1%
311.43
US$311,428 		1,000 -12.1% 311.43 US$311,428
2025-10-22 2025-10-20
US Duolingo Inc (DUOL)
PlS Planned sale
632 -7.1%
309.94
US$195,882 		632 -7.1% 309.94 US$195,882
2025-10-22 2025-10-20
US Duolingo Inc (DUOL)
PlS Planned sale
500 -5.3%
309.06
US$154,532 		500 -5.3% 309.06 US$154,532
2025-10-22 2025-10-20
US Duolingo Inc (DUOL)
PlS Planned sale
600 -6.0%
307.55
US$184,532 		600 -6.0% 307.55 US$184,532
2025-10-22 2025-10-20
US Duolingo Inc (DUOL)
PlS Planned sale
100 -1.0%
305.86
US$30,586 		100 -1.0% 305.86 US$30,586
2025-10-07 2025-10-06
US Duolingo Inc (DUOL)
PlS Planned sale
200 -73.5%
328.76
US$65,751 		200 -73.5% 328.76 US$65,751
2025-10-07 2025-10-06
US Duolingo Inc (DUOL)
PlS Planned sale
1,300 -82.7%
327.44
US$425,675 		1,300 -82.7% 327.44 US$425,675
2025-10-07 2025-10-06
US Duolingo Inc (DUOL)
PlS Planned sale
600 -27.6%
326.50
US$195,897 		600 -27.6% 326.50 US$195,897
2025-10-07 2025-10-06
US Duolingo Inc (DUOL)
PlS Planned sale
500 -18.7%
325.22
US$162,612 		500 -18.7% 325.22 US$162,612
2025-10-07 2025-10-06
US Duolingo Inc (DUOL)
PlS Planned sale
300 -10.1%
324.10
US$97,231 		300 -10.1% 324.10 US$97,231
2025-10-07 2025-10-06
US Duolingo Inc (DUOL)
PlS Planned sale
109 -3.5%
322.62
US$35,166 		109 -3.5% 322.62 US$35,166
2025-10-07 2025-10-06
US Duolingo Inc (DUOL)
PlS Planned sale
1,173 -27.6%
321.39
US$376,991 		1,173 -27.6% 321.39 US$376,991
2025-10-07 2025-10-06
US Duolingo Inc (DUOL)
PlS Planned sale
1,803 -29.8%
320.33
US$577,560 		1,803 -29.8% 320.33 US$577,560
2025-10-07 2025-10-06
US Duolingo Inc (DUOL)
PlS Planned sale
1,599 -20.9%
319.56
US$510,972 		1,599 -20.9% 319.56 US$510,972
2025-10-07 2025-10-06
US Duolingo Inc (DUOL)
PlS Planned sale
1,916 -20.0%
318.26
US$609,794 		1,916 -20.0% 318.26 US$609,794
2025-10-07 2025-10-06
US Duolingo Inc (DUOL)
PlS Planned sale
500 -5.0%
317.31
US$158,653 		500 -5.0% 317.31 US$158,653
2025-10-06 2025-10-06
US Duolingo Inc (DUOL)
PrS Proposed sale
40,000
322.63
US$12,905,200 		40,000 322.63 US$12,905,200