| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 04/17/2019 | OSIRIS THERAPEUTICS, INC. | OSIR | Disposition | Common Stock | 2.8k | $19.00 | $52.2k | By Spouse | 04/17/2019 |
| 04/17/2019 | OSIRIS THERAPEUTICS, INC. | OSIR | Disposition | Common Stock | 500k | $19.00 | $9.5M | By Daughter | 04/17/2019 |
| 04/17/2019 | OSIRIS THERAPEUTICS, INC. | OSIR | Disposition | Common Stock | 4.1M | $19.00 | $78M | By New Venturetec AG | 04/17/2019 |
| 04/17/2019 | OSIRIS THERAPEUTICS, INC. | OSIR | Disposition | Common Stock | 10.2M | $19.00 | $193.9M | | 04/17/2019 |
| 02/06/2014 | OSIRIS THERAPEUTICS, INC. | OSIR | Grant | Common Stock | 10k | $14.93 | $149.3k | | 02/06/2014 |
| 08/14/2013 | OSIRIS THERAPEUTICS, INC. | OSIR | Exercise | Common Stock Purchase Warrant | 1000k | $11.00 | $11M | | 08/14/2013 |
| 08/14/2013 | OSIRIS THERAPEUTICS, INC. | OSIR | Payment of Exercise | Common Stock | 432.4k | $25.44 | $11M | | 08/14/2013 |
| 02/12/2013 | OSIRIS THERAPEUTICS, INC. | OSIR | Grant | Common Stock | 10k | $7.73 | $77.3k | | 02/12/2013 |
| 12/10/2012 | OSIRIS THERAPEUTICS, INC. | OSIR | Sale | Common Stock | 50k | $9.52 | $476k | See Note 2 | 12/10/2012 |
| 11/15/2012 | OSIRIS THERAPEUTICS, INC. | OSIR | Sale | Common Stock | 625 | $9.34 | $5.8k | See Note 2 | 11/15/2012 |
| 03/23/2012 | OSIRIS THERAPEUTICS, INC. | OSIR | Grant | Common Stock | 10k | $5.08 | $50.8k | | 03/23/2012 |
| 12/06/2011 | OSIRIS THERAPEUTICS, INC. | OSIR | Gift | Common Stock | 500k | $4.87 | $2.4M | | 12/06/2011 |
| 02/14/2011 | OSIRIS THERAPEUTICS, INC. | OSIR | Grant | Common Stock | 10k | $7.13 | $71.3k | | 02/14/2011 |