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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| GCT | Wu Lei | Chief Executive Officer | Jun 04 '26 | Option Exercise | 0.00 | 243,008 | 0 | 286,058 | Jun 08 |
| GCT | Wu Lei | Chief Executive Officer | Jun 02 '26 | Option Exercise | 0.00 | 43,050 | 0 | 43,050 | Jun 04 |
| GCT | Wu Lei | Chief Executive Officer | Mar 30 '26 | Option Exercise | 0.00 | 120,000 | 0 | 180,000 | Apr 01 |
| GCT | Wu Lei | Chief Executive Officer | Mar 20 '26 | Sale | 40.41 | 32,481 | 1,312,695 | 60,000 | Mar 20 |
| GCT | Wu Lei | Chief Executive Officer | Mar 19 '26 | Sale | 41.26 | 27,519 | 1,135,366 | 92,481 | Mar 20 |
| GCT | Wu Lei | Chief Executive Officer | Mar 18 '26 | Sale | 43.21 | 30,000 | 1,296,298 | 120,000 | Mar 18 |
| GCT | Wu Lei | Chief Executive Officer | Mar 17 '26 | Sale | 43.58 | 30,000 | 1,307,423 | 150,000 | Mar 18 |
| GCT | Wu Lei | Chief Executive Officer | Mar 16 '26 | Sale | 42.39 | 30,000 | 1,271,719 | 180,000 | Mar 18 |
| GCT | Wu Lei | Chief Executive Officer | Mar 13 '26 | Sale | 41.36 | 30,000 | 1,240,703 | 210,000 | Mar 16 |
| GCT | Wu Lei | Chief Executive Officer | Mar 12 '26 | Sale | 42.73 | 30,000 | 1,281,791 | 240,000 | Mar 16 |
| GCT | Wu Lei | Chief Executive Officer | Mar 11 '26 | Sale | 43.38 | 30,000 | 1,301,268 | 270,000 | Mar 16 |
| GCT | Wu Lei | Chief Executive Officer | Mar 10 '26 | Sale | 43.23 | 30,000 | 1,296,918 | 300,000 | Mar 10 |
| GCT | Wu Lei | Chief Executive Officer | Mar 09 '26 | Sale | 42.13 | 30,000 | 1,263,773 | 330,000 | Mar 10 |
| GCT | Wu Lei | Chief Executive Officer | Mar 06 '26 | Sale | 42.14 | 30,000 | 1,264,260 | 360,000 | Mar 10 |
| GCT | Wu Lei | Chief Executive Officer | Mar 05 '26 | Sale | 43.11 | 30,000 | 1,293,409 | 390,000 | Mar 05 |
| GCT | Wu Lei | Chief Executive Officer | Mar 04 '26 | Sale | 44.08 | 40,000 | 1,763,003 | 420,000 | Mar 05 |
| GCT | Wu Lei | Chief Executive Officer | Mar 03 '26 | Sale | 40.99 | 58,090 | 2,381,197 | 460,000 | Mar 05 |
| GCT | Wu Lei | Chief Executive Officer | Mar 02 '26 | Sale | 42.83 | 30,000 | 1,284,986 | 518,090 | Mar 02 |
| GCT | Wu Lei | Chief Executive Officer | Feb 27 '26 | Sale | 43.57 | 60,000 | 2,614,419 | 548,090 | Mar 02 |
| GCT | Wu Lei | Chief Executive Officer | Feb 26 '26 | Sale | 45.28 | 70,000 | 3,169,837 | 608,090 | Mar 02 |
| GCT | Wu Lei | Chief Executive Officer | Jan 22 '26 | Sale | 40.78 | 20,000 | 815,669 | 678,090 | Jan 22 |
| GCT | Wu Lei | Chief Executive Officer | Jan 21 '26 | Sale | 40.26 | 210 | 8,455 | 698,090 | Jan 22 |
| GCT | Wu Lei | Chief Executive Officer | Jan 20 '26 | Sale | 40.01 | 1,700 | 68,017 | 698,300 | Jan 22 |
| GCT | Wu Lei | Chief Executive Officer | Jan 16 '26 | Sale | 41.34 | 20,000 | 826,736 | 700,000 | Jan 16 |
| GCT | Wu Lei | Chief Executive Officer | Jan 15 '26 | Sale | 41.50 | 20,000 | 830,053 | 720,000 | Jan 16 |
| GCT | Wu Lei | Chief Executive Officer | Jan 14 '26 | Sale | 40.94 | 20,000 | 818,784 | 740,000 | Jan 16 |
| GCT | Wu Lei | Chief Executive Officer | Jan 13 '26 | Sale | 41.86 | 20,000 | 837,299 | 760,000 | Jan 13 |
| GCT | Wu Lei | Chief Executive Officer | Jan 12 '26 | Sale | 43.39 | 20,000 | 867,749 | 780,000 | Jan 13 |
| GCT | Wu Lei | Chief Executive Officer | Jan 09 '26 | Sale | 42.08 | 20,000 | 841,574 | 800,000 | Jan 13 |
| GCT | Wu Lei | Chief Executive Officer | Jan 08 '26 | Sale | 41.46 | 20,000 | 829,266 | 820,000 | Jan 09 |
| GCT | Wu Lei | Chief Executive Officer | Jan 07 '26 | Sale | 42.36 | 20,000 | 847,276 | 840,000 | Jan 09 |
| GCT | Wu Lei | Chief Executive Officer | Sep 10 '25 | Sale | 28.52 | 100,000 | 2,851,740 | 60,000 | Sep 10 |
| GCT | Wu Lei | Chief Executive Officer | May 17 '24 | Sale | 36.88 | 14,190 | 523,324 | 100,000 | May 21 |
| GCT | Wu Lei | Chief Executive Officer | May 16 '24 | Sale | 36.06 | 14,188 | 511,680 | 114,190 | May 17 |
| GCT | Wu Lei | Chief Executive Officer | May 15 '24 | Sale | 35.41 | 14,188 | 502,364 | 128,378 | May 17 |
| GCT | Wu Lei | Chief Executive Officer | May 14 '24 | Sale | 36.62 | 14,188 | 519,590 | 142,566 | May 15 |
| GCT | Wu Lei | Chief Executive Officer | May 13 '24 | Sale | 36.25 | 14,188 | 514,327 | 156,754 | May 15 |
| GCT | Wu Lei | Chief Executive Officer | May 10 '24 | Sale | 37.69 | 118,874 | 4,480,656 | 170,942 | May 13 |
| GCT | Wu Lei | Chief Executive Officer | May 09 '24 | Sale | 37.91 | 120,000 | 4,549,048 | 289,816 | May 13 |
| GCT | Wu Lei | Chief Executive Officer | May 08 '24 | Sale | 38.77 | 62,000 | 2,403,694 | 409,816 | May 09 |
| GCT | Wu Lei | Chief Executive Officer | May 07 '24 | Sale | 39.62 | 62,000 | 2,456,685 | 471,816 | May 09 |
| GCT | Wu Lei | Chief Executive Officer | May 06 '24 | Sale | 40.21 | 44,000 | 1,769,318 | 533,816 | May 07 |
| GCT | Wu Lei | Chief Executive Officer | May 03 '24 | Sale | 36.64 | 44,000 | 1,611,967 | 577,816 | May 07 |
| GCT | Wu Lei | Chief Executive Officer | May 02 '24 | Sale | 33.86 | 44,000 | 1,489,716 | 621,816 | May 03 |
| GCT | Wu Lei | Chief Executive Officer | May 01 '24 | Sale | 31.55 | 44,000 | 1,388,250 | 665,816 | May 03 |
| GCT | Wu Lei | Chief Executive Officer | Apr 30 '24 | Sale | 31.87 | 44,000 | 1,402,284 | 709,816 | May 01 |
| GCT | Wu Lei | Chief Executive Officer | Apr 29 '24 | Sale | 34.05 | 44,000 | 1,498,420 | 753,816 | May 01 |
| GCT | Wu Lei | Chief Executive Officer | Apr 26 '24 | Sale | 35.89 | 44,000 | 1,579,290 | 797,816 | Apr 29 |
| GCT | Wu Lei | Chief Executive Officer | Apr 25 '24 | Sale | 36.12 | 44,000 | 1,589,201 | 841,816 | Apr 29 |
| GCT | Wu Lei | Chief Executive Officer | Apr 24 '24 | Sale | 36.54 | 44,000 | 1,607,722 | 885,816 | Apr 26 |
| GCT | Wu Lei | Chief Executive Officer | Apr 23 '24 | Sale | 36.36 | 44,000 | 1,599,940 | 929,816 | Apr 24 |
| GCT | Wu Lei | Chief Executive Officer | Apr 22 '24 | Sale | 35.98 | 44,000 | 1,583,272 | 973,816 | Apr 24 |
| GCT | Wu Lei | Chief Executive Officer | Apr 19 '24 | Sale | 35.05 | 44,000 | 1,542,047 | 1,017,816 | Apr 23 |
| GCT | Wu Lei | Chief Executive Officer | Apr 18 '24 | Sale | 36.47 | 44,000 | 1,604,702 | 1,061,816 | Apr 22 |
| GCT | Wu Lei | Chief Executive Officer | Apr 17 '24 | Sale | 34.61 | 44,000 | 1,522,924 | 1,105,816 | Apr 18 |
| GCT | Wu Lei | Chief Executive Officer | Apr 16 '24 | Sale | 32.34 | 44,000 | 1,422,965 | 1,149,816 | Apr 18 |
| GCT | Wu Lei | Chief Executive Officer | Apr 15 '24 | Sale | 32.56 | 44,000 | 1,432,656 | 1,193,816 | Apr 16 |
| GCT | Wu Lei | Chief Executive Officer | Apr 12 '24 | Sale | 32.23 | 1,000 | 32,230 | 1,237,816 | Apr 16 |
| GCT | Wu Lei | Chief Executive Officer | Apr 11 '24 | Sale | 33.94 | 20,000 | 678,703 | 1,238,816 | Apr 12 |
| GCT | Wu Lei | Chief Executive Officer | Apr 10 '24 | Sale | 31.86 | 1,000 | 31,860 | 1,258,816 | Apr 12 |
| GCT | Wu Lei | Chief Executive Officer | Apr 09 '24 | Sale | 31.85 | 1,000 | 31,850 | 1,159,816 | Apr 11 |
| GCT | Wu Lei | Chief Executive Officer | Apr 08 '24 | Sale | 33.07 | 20,000 | 661,400 | 1,160,816 | Apr 09 |
| GCT | Wu Lei | Chief Executive Officer | Apr 05 '24 | Sale | 35.49 | 37,178 | 1,319,487 | 1,180,816 | Apr 09 |
| GCT | Wu Lei | Chief Executive Officer | Apr 04 '24 | Sale | 36.39 | 20,000 | 727,837 | 1,217,994 | Apr 05 |
| GCT | Wu Lei | Chief Executive Officer | Apr 03 '24 | Sale | 35.86 | 10,000 | 358,626 | 1,237,994 | Apr 05 |
| GCT | Wu Lei | Chief Executive Officer | Apr 02 '24 | Sale | 30.83 | 1,000 | 30,833 | 1,247,994 | Apr 03 |
| GCT | Wu Lei | Chief Executive Officer | Apr 01 '24 | Sale | 29.53 | 1,000 | 29,527 | 1,248,994 | Apr 03 |
| GCT | Wu Lei | Chief Executive Officer | Mar 26 '24 | Sale | 27.64 | 6 | 166 | 1,249,994 | Mar 29 |