G. Stavros Vizirgianakis

Insider Trading: Purchases

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
XTNT	$0.48	2,264,861	$1,087,133.28	5,850,716	2022-10-07	Filing
MSON	$9.84	10,000	$98,400.00	1,649,078	2020-03-12	Filing
MSON	$5.25	761,469	$3,999,996.66	1,211,078	2016-10-25	Filing
MSON	$5.70	69,509	$396,201.30	449,609	2014-06-16	Filing