Keefer Jason [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
04/17/2019	OSIRIS THERAPEUTICS, INC.	OSIR	Disposition	Incentive Stock Option (right to buy)	16k	$6.80	$108.8k	04/17/2019
04/17/2019	OSIRIS THERAPEUTICS, INC.	OSIR	Disposition	Common Stock	4k	$19.00	$76k	04/17/2019
04/17/2019	OSIRIS THERAPEUTICS, INC.	OSIR	Disposition	Incentive Stock Option (right to buy)	20k	$10.53	$210.6k	04/17/2019
06/26/2018	OSIRIS THERAPEUTICS, INC.	OSIR	Grant	Incentive Stock Option (right to buy)	20k	$10.53	$210.6k	06/26/2018