Denise Karkkainen

Insider Trading: Purchases

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
DRTT	$1.77	2,100	$3,726.66	50,400	2022-03-02	Filing
DRTT	$1.27	15,000	$19,005.00	48,300	2020-03-10	Filing
DRTT	$3.06	6,400	$19,584.00	33,300	2019-11-20	Filing
DRTT	$3.13	3,600	$11,268.00	26,900	2019-11-18	Filing