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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| GCT | Hao Xinyan | Chief Operating Officer | Apr 10 '26 | Option Exercise | 0.00 | 7,500 | 0 | 374,986 | Apr 14 |
| GCT | Hao Xinyan | Chief Operating Officer | Dec 05 '25 | Sale | 40.04 | 800 | 32,029 | 357,486 | Dec 08 |
| GCT | Hao Xinyan | Chief Operating Officer | Dec 04 '25 | Sale | 40.07 | 49,200 | 1,971,385 | 358,286 | Dec 08 |
| GCT | Hao Xinyan | Chief Operating Officer | Nov 21 '25 | Sale | 35.18 | 100,000 | 3,517,520 | 407,486 | Nov 25 |
| GCT | Hao Xinyan | Chief Operating Officer | Nov 19 '25 | Sale | 31.51 | 29,319 | 923,774 | 507,486 | Nov 19 |
| GCT | Hao Xinyan | Chief Operating Officer | Nov 18 '25 | Sale | 30.64 | 30,000 | 919,204 | 536,805 | Nov 19 |
| GCT | Hao Xinyan | Chief Operating Officer | Nov 17 '25 | Sale | 30.32 | 30,000 | 909,597 | 566,805 | Nov 19 |
| GCT | Hao Xinyan | Chief Operating Officer | Nov 14 '25 | Sale | 30.42 | 30,000 | 912,597 | 596,805 | Nov 14 |
| GCT | Hao Xinyan | Chief Operating Officer | Nov 13 '25 | Sale | 32.14 | 30,000 | 964,068 | 626,805 | Nov 14 |
| GCT | Hao Xinyan | Chief Operating Officer | Nov 12 '25 | Sale | 31.48 | 30,000 | 944,282 | 656,805 | Nov 14 |
| GCT | Hao Xinyan | Chief Operating Officer | Nov 11 '25 | Sale | 31.87 | 30,000 | 955,974 | 686,805 | Nov 12 |
| GCT | Hao Xinyan | Chief Operating Officer | Nov 10 '25 | Sale | 33.61 | 30,000 | 1,008,166 | 716,805 | Nov 12 |
| GCT | Hao Xinyan | Chief Operating Officer | Nov 07 '25 | Sale | 30.29 | 30,000 | 908,835 | 746,805 | Nov 12 |
| GCT | Hao Xinyan | Chief Operating Officer | Oct 29 '25 | Sale | 30.01 | 16,939 | 508,395 | 776,805 | Oct 30 |
| GCT | Hao Xinyan | Chief Operating Officer | Sep 29 '25 | Sale | 30.02 | 13,742 | 412,540 | 793,744 | Sep 30 |
| GCT | Hao Xinyan | Chief Operating Officer | Apr 10 '25 | Option Exercise | 0.00 | 12,500 | 0 | 807,486 | Apr 11 |
| GCT | Hao Xinyan | Chief Operating Officer | May 14 '24 | Sale | 37.07 | 67,455 | 2,500,732 | 787,486 | May 14 |
| GCT | Hao Xinyan | Chief Operating Officer | May 13 '24 | Sale | 36.10 | 282,545 | 10,199,821 | 854,941 | May 14 |
| GCT | Hao Xinyan | Chief Operating Officer | Mar 28 '24 | Sale | 27.77 | 38,064 | 1,057,144 | 1,110,848 | Mar 29 |
| GCT | Hao Xinyan | Chief Operating Officer | Mar 19 '24 | Sale | 32.36 | 1,088 | 35,203 | 1,148,912 | Mar 21 |