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CASTLEARK MANAGEMENT LLC
> GKOS
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 12/31/2022 | GLAUKOS Corp | GKOS | 0 | -54,150 | 0 | -2,883,000 | |
| 09/30/2022 | GLAUKOS Corp | GKOS | 54,150 | -1,250 | 2,883,000 | 367,000 | $53.24 |
| 06/30/2022 | GLAUKOS Corp | GKOS | 55,400 | -9,440 | 2,516,000 | -1,233,000 | $45.42 |
| 03/31/2022 | GLAUKOS Corp | GKOS | 64,840 | 64,840 | 3,749,000 | 3,749,000 | $57.82 |
| 12/31/2021 | GLAUKOS Corp | GKOS | 0 | -36,900 | 0 | -3,130,000 | |
| 06/30/2021 | GLAUKOS Corp | GKOS | 36,900 | 36,900 | 3,130,000 | 3,130,000 | $84.82 |
| 09/30/2019 | GLAUKOS Corp | GKOS | 0 | -132,645 | 0 | -10,001,000 | |
| 06/30/2019 | GLAUKOS Corp | GKOS | 132,645 | 10,910 | 10,001,000 | 461,000 | $75.40 |
| 03/31/2019 | GLAUKOS Corp | GKOS | 121,735 | 121,735 | 9,540,000 | 9,540,000 | $78.37 |
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