Severin Hacker

DUOL

Severin Hacker serves as Chief Tech Officer, Co-Founder at Duolingo, Inc. (DUOL). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

55 trades

$225.09M

Net Position

Net Seller

$225.09M

Companies Traded

DUOL

Active Period

Aug 2021 – Nov 2025

55 total trades

Most Recent

Sell DUOL

Nov 20, 2025 · $1.73M

Severin Hacker's Insider Trading at Duolingo, Inc. (DUOL)

Buys

0 · $0.00

Sells

50 · $212.03M

Total Shares Bought

Total Shares Sold

774,248

DUOL Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Nov 20, 2025	Sell	10,000	$172.74	$1.73M	8,926
Nov 6, 2025	Sell	10,000	$263.13	$2.63M	9,328
Oct 22, 2025	Sell	10,000	$314.72	$3.15M	9,972
Oct 7, 2025	Sell	10,000	$321.63	$3.22M	9,572
Sep 22, 2025	Sell	10,000	$288.94	$2.89M	8,772
Sep 9, 2025	Sell	10,000	$268.55	$2.69M	9,572
Aug 21, 2025	Sell	10,000	$344.56	$3.45M	9,069
Aug 7, 2025	Sell	10,000	$344.41	$3.44M	9,669
Jul 22, 2025	Sell	10,000	$360.33	$3.60M	7,627
Jul 9, 2025	Sell	10,000	$392.89	$3.93M	9,872
Jun 23, 2025	Sell	10,000	$471.20	$4.71M	9,772
Jun 9, 2025	Sell	10,000	$525.10	$5.25M	9,772
May 20, 2025	Sell	10,000	$524.70	$5.25M	9,972
May 7, 2025	Sell	10,000	$495.95	$4.96M	9,872
Apr 23, 2025	Sell	10,000	$314.36	$3.14M	8,872
Apr 9, 2025	Sell	10,000	$292.43	$2.92M	9,972
Mar 21, 2025	Sell	10,000	$298.25	$2.98M	9,572
Mar 6, 2025	Sell	10,000	$290.54	$2.91M	8,972
Feb 21, 2025	Sell	10,000	$433.94	$4.34M	9,516
Feb 6, 2025	Sell	10,000	$391.46	$3.91M	9,772
Jan 23, 2025	Sell	10,000	$333.95	$3.34M	9,772
Jan 7, 2025	Sell	10,000	$336.23	$3.36M	7,772
Dec 20, 2024	Sell	10,000	$336.82	$3.37M	9,520
Dec 16, 2024	Sell	43,826	$338.75	$14.85M	43,194
Dec 13, 2024	Sell	230,422	$339.67	$78.27M	188,073
Aug 2, 2024	Sell	10,000	$166.49	$1.66M	9,100
Jul 2, 2024	Sell	10,000	$198.61	$1.99M	7,113
Jun 5, 2024	Sell	10,000	$196.39	$1.96M	8,400
May 3, 2024	Sell	10,000	$223.47	$2.23M	8,800
Apr 2, 2024	Sell	10,000	$218.42	$2.18M	8,200
Mar 4, 2024	Sell	10,000	$235.13	$2.35M	9,400
Feb 5, 2024	Sell	10,000	$178.62	$1.79M	9,300
Jan 3, 2024	Sell	10,000	$214.25	$2.14M	9,700
Dec 4, 2023	Sell	10,000	$212.87	$2.13M	9,300
Nov 2, 2023	Sell	10,000	$146.57	$1.47M	9,400
Oct 5, 2023	Sell	10,000	$165.26	$1.65M	8,683
Sep 6, 2023	Sell	10,000	$148.80	$1.49M	9,600
May 2, 2023	Sell	10,000	$138.35	$1.38M	8,500
Apr 4, 2023	Sell	10,000	$142.26	$1.42M	9,300
Mar 2, 2023	Sell	10,000	$108.22	$1.08M	9,700
Feb 2, 2023	Sell	10,000	$95.59	$955.9K	6,581
Jan 11, 2023	Sell	10,000	$75.07	$750.7K	0
Dec 15, 2022	Sell	10,000	$75.50	$755.0K	0
Nov 2, 2022	Sell	10,000	$81.81	$818.1K	2,888
Oct 4, 2022	Sell	10,000	$96.54	$965.4K	9,000
Sep 6, 2022	Sell	10,000	$92.09	$920.9K	7,299
Aug 2, 2022	Sell	10,000	$94.26	$942.6K	9,600
Jul 5, 2022	Sell	10,000	$91.22	$912.2K	9,700
Jun 27, 2022	Sell	20,000	$98.39	$1.97M	19,600
Jun 21, 2022	Sell	20,000	$91.36	$1.83M	18,212