Glance Natalie – Insider Transactions

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
DUOL	Glance Natalie	Chief Engineering Officer	May 18 '26	Sale	113.59	3,360	381,656	173,401	May 19 12:00 AM
DUOL	Glance Natalie	Chief Engineering Officer	May 15 '26	Sale	112.16	1,929	216,357	176,761	May 19 12:00 AM
DUOL	Glance Natalie	Chief Engineering Officer	Feb 27 '26	Option Exercise	6.08	48,504	294,924	139,632	Mar 03 12:00 AM
DUOL	Glance Natalie	Chief Engineering Officer	Feb 18 '26	Sale	113.51	3,545	402,404	115,380	Feb 20 12:00 AM
DUOL	Glance Natalie	Chief Engineering Officer	Feb 17 '26	Sale	110.06	1,741	191,614	118,925	Feb 20 12:00 AM
DUOL	Glance Natalie	Chief Engineering Officer	Dec 05 '25	Option Exercise	5.00	19,000	95,000	120,666	Dec 09 12:00 AM
DUOL	Glance Natalie	Chief Engineering Officer	Nov 18 '25	Sale	175.79	2,471	434,366	111,166	Nov 19 12:00 AM
DUOL	Glance Natalie	Chief Engineering Officer	Nov 17 '25	Sale	177.95	2,534	450,925	113,637	Nov 19 12:00 AM
DUOL	Glance Natalie	Chief Engineering Officer	Oct 01 '25	Sale	312.30	3,283	1,025,265	116,171	Oct 06 12:00 AM
DUOL	Glance Natalie	Chief Engineering Officer	Aug 18 '25	Sale	367.09	2,471	907,091	119,641	Aug 19 12:00 AM
DUOL	Glance Natalie	Chief Engineering Officer	Aug 15 '25	Sale	329.03	2,533	833,433	122,112	Aug 18 12:00 AM
DUOL	Glance Natalie	Chief Engineering Officer	Jul 01 '25	Sale	402.58	2,709	1,090,582	126,945	Jul 02 12:00 AM
DUOL	Glance Natalie	Chief Engineering Officer	May 16 '25	Sale	528.37	3,267	1,726,186	129,654	May 19 12:00 AM
DUOL	Glance Natalie	Chief Engineering Officer	May 15 '25	Sale	531.71	3,039	1,615,867	132,921	May 16 12:00 AM
DUOL	Glance Natalie	Chief Engineering Officer	Apr 01 '25	Sale	319.59	3,482	1,112,805	127,251	Apr 02 12:00 AM

Insider Trading & Congressional Trades

Glance Natalie – Insider Transactions