Skaruppa Matthew – Insider Transactions

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
DUOL	Skaruppa Matthew	Chief Financial Officer	Feb 18 '26	Sale	113.52	3,986	452,492	31,631	Feb 20 12:00 AM
DUOL	Skaruppa Matthew	Chief Financial Officer	Feb 17 '26	Sale	110.06	1,870	205,812	35,617	Feb 20 12:00 AM
DUOL	Skaruppa Matthew	Chief Financial Officer	Nov 18 '25	Sale	175.76	3,059	537,642	37,487	Nov 19 12:00 AM
DUOL	Skaruppa Matthew	Chief Financial Officer	Nov 17 '25	Sale	177.95	2,799	498,082	40,546	Nov 19 12:00 AM
DUOL	Skaruppa Matthew	Chief Financial Officer	Aug 26 '25	Option Exercise	14.42	2,756	39,742	54,282	Aug 28 12:00 AM
DUOL	Skaruppa Matthew	Chief Financial Officer	Aug 26 '25	Sale	317.39	10,937	3,471,320	43,345	Aug 28 12:00 AM
DUOL	Skaruppa Matthew	Chief Financial Officer	Aug 15 '25	Sale	329.03	2,797	920,297	52,904	Aug 18 12:00 AM
DUOL	Skaruppa Matthew	Chief Financial Officer	May 16 '25	Sale	528.35	3,573	1,887,802	58,223	May 19 12:00 AM
DUOL	Skaruppa Matthew	Chief Financial Officer	May 15 '25	Sale	531.71	3,304	1,756,770	61,796	May 16 12:00 AM

Insider Trading & Congressional Trades