AMBQAmbiq Micro, Inc.
- Market cap
- $1.22B
- as of 2026-10-23
- Latest close
- $50.36
- as of 2026-10-23
- Sector
- Technology
- as of 2026-10-24
- Industry
- Semiconductors
- as of 2026-10-24
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2025-07-31
Dashed line = amended filing (Form 4/A)
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Hanson Scott McLeanChief Technology Officer | Oct 15 | Oct 16 | M | 7,000 | $8.12 | $56,840 | 219,546 | Yes | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Oct 15 | Oct 16 | S | 600 | $49.06 | Sale −$29,436 | 218,946 | Yes | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Oct 15 | Oct 16 | S | 900 | $50.08 | Sale −$45,074 | 218,046 | Yes | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Oct 15 | Oct 16 | S | 3,700 | $51.12 | Sale −$189,148 | 214,346 | Yes | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Oct 15 | Oct 16 | S | 1,800 | $51.86 | Sale −$93,351 | 212,546 | Yes | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Oct 15 | Oct 16 | M · derivative | 7,000 | $8.12 | $56,840 | 38,279 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Oct 15 | Oct 16 | M | 5,000 | $8.12 | $40,600 | 448,900 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Oct 15 | Oct 16 | S | 500 | $49.13 | Sale −$24,567 | 448,400 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Oct 15 | Oct 16 | S | 500 | $50.02 | Sale −$25,011 | 447,900 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Oct 15 | Oct 16 | S | 2,800 | $51.15 | Sale −$143,214 | 445,100 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Oct 15 | Oct 16 | S | 1,200 | $51.85 | Sale −$62,226 | 443,900 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Oct 15 | Oct 16 | M · derivative | 5,000 | $8.12 | $40,600 | 53,507 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Oct 14 | Oct 16 | M | 15,000 | $8.12 | $121,800 | 121,268 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Oct 14 | Oct 16 | S | 7,539 | $50.13 | Sale −$377,923 | 113,729 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Oct 14 | Oct 16 | S | 1,261 | $51.53 | Sale −$64,980 | 112,468 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Oct 14 | Oct 16 | S | 2,000 | $52.47 | Sale −$104,936 | 110,468 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Oct 14 | Oct 16 | S | 4,000 | $53.44 | Sale −$213,745 | 106,468 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Oct 14 | Oct 16 | S | 200 | $54.27 | Sale −$10,854 | 106,268 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Oct 14 | Oct 16 | M · derivative | 15,000 | $8.12 | $121,800 | 119,423 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Oct 5 | Oct 6 | S | 5,508 | $66.38 | Sale −$365,625 | 108,965 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Oct 5 | Oct 6 | S | 1,797 | $67.29 | Sale −$120,913 | 107,168 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Oct 5 | Oct 6 | S | 800 | $68.08 | Sale −$54,461 | 106,368 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Oct 5 | Oct 6 | S | 100 | $69.51 | Sale −$6,951 | 106,268 | Yes | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Oct 2 | Oct 6 | S | 3,728 | $69.11 | Sale −$257,636 | 217,498 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Oct 2 | Oct 6 | S | 4,500 | $69.77 | Sale −$313,975 | 212,998 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Oct 2 | Oct 6 | S | 452 | $71.86 | Sale −$32,480 | 212,546 | No | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Oct 2 | Oct 6 | S | 2,492 | $69.11 | Sale −$172,218 | 117,783 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Oct 2 | Oct 6 | S | 3,008 | $69.77 | Sale −$209,875 | 114,775 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Oct 2 | Oct 6 | S | 302 | $71.86 | Sale −$21,701 | 114,473 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Oct 2 | Oct 6 | S | 7,113 | $69.11 | Sale −$491,567 | 453,347 | No | Form 4 |
| Esaka FumihideChief Executive Officer | Oct 2 | Oct 6 | S | 8,585 | $69.77 | Sale −$598,994 | 444,762 | No | Form 4 |
| Esaka FumihideChief Executive Officer | Oct 2 | Oct 6 | S | 862 | $71.86 | Sale −$61,943 | 443,900 | No | Form 4 |
| Winzeler Jeffrey GChief Financial Officer | Oct 2 | Oct 6 | S | 2,343 | $69.11 | Sale −$161,921 | 103,956 | No | Form 4 |
| Winzeler Jeffrey GChief Financial Officer | Oct 2 | Oct 6 | S | 2,828 | $69.77 | Sale −$197,316 | 101,128 | No | Form 4 |
| Winzeler Jeffrey GChief Financial Officer | Oct 2 | Oct 6 | S | 284 | $71.86 | Sale −$20,408 | 100,844 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Sep 15 | Sep 17 | M | 7,000 | $8.12 | $56,840 | 228,226 | Yes | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Sep 15 | Sep 17 | S | 1,953 | $59.53 | Sale −$116,262 | 226,273 | Yes | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Sep 15 | Sep 17 | S | 4,947 | $60.56 | Sale −$299,590 | 221,326 | Yes | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Sep 15 | Sep 17 | S | 100 | $61.00 | Sale −$6,100 | 221,226 | Yes | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Sep 15 | Sep 17 | M · derivative | 7,000 | $8.12 | $56,840 | 45,279 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 15 | Sep 15 | M | 13,500 | $8.12 | $109,620 | 473,960 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 15 | Sep 15 | S | 3,785 | $59.56 | Sale −$225,435 | 470,175 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 15 | Sep 15 | S | 9,615 | $60.55 | Sale −$582,188 | 460,560 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 15 | Sep 15 | S | 100 | $61.00 | Sale −$6,100 | 460,460 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 15 | Sep 15 | M · derivative | 13,500 | $8.12 | $109,620 | 58,507 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Sep 14 | Sep 15 | M | 15,000 | $8.12 | $121,800 | 135,275 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Sep 14 | Sep 15 | S | 2,600 | $59.36 | Sale −$154,336 | 132,675 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Sep 14 | Sep 15 | S | 11,000 | $60.24 | Sale −$662,640 | 121,675 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Sep 14 | Sep 15 | S | 1,400 | $60.83 | Sale −$85,162 | 120,275 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Sep 14 | Sep 15 | M · derivative | 15,000 | $8.12 | $121,800 | 134,423 | Yes | Form 4 |
| Zhang Ker | Sep 11 | Sep 15 | S | 9,100 | $63.39 | Sale −$576,849 | 21,266 | No | Form 4 |
| Zhang Ker | Sep 11 | Sep 15 | S | 900 | $63.95 | Sale −$57,555 | 20,366 | No | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 11 | Sep 15 | M | 50,000 | $12.60 | $630,000 | 510,460 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 11 | Sep 15 | S | 42,083 | $63.27 | Sale −$2,662,591 | 468,377 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 11 | Sep 15 | S | 7,917 | $63.86 | Sale −$505,580 | 460,460 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 11 | Sep 15 | M · derivative | 19,007 | $12.60 | $239,488 | not reported | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 11 | Sep 15 | M · derivative | 30,993 | $12.60 | $390,512 | 144,279 | Yes | Form 4 |
| Zhang Ker | Sep 4 | Sep 9 | M | 1,785 | $5.88 | $10,496 | 30,551 | No | Form 4 |
| Zhang Ker | Sep 4 | Sep 9 | S | 185 | $56.92 | Sale −$10,530 | 30,366 | No | Form 4 |
| Zhang Ker | Sep 4 | Sep 9 | M · derivative | 1,785 | $5.88 | $10,496 | not reported | No | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Sep 4 | Sep 9 | M | 15,000 | $8.12 | $121,800 | 135,275 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Sep 4 | Sep 9 | S | 12,874 | $57.09 | Sale −$734,977 | 122,401 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Sep 4 | Sep 9 | S | 2,126 | $57.68 | Sale −$122,628 | 120,275 | Yes | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Sep 4 | Sep 9 | M · derivative | 15,000 | $8.12 | $121,800 | 149,423 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 2 | Sep 2 | M | 11,027 | $12.60 | $138,940 | 471,487 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 2 | Sep 2 | S | 1,452 | $56.15 | Sale −$81,530 | 470,035 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 2 | Sep 2 | S | 9,575 | $56.77 | Sale −$543,573 | 460,460 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 2 | Sep 2 | M · derivative | 11,027 | $12.60 | $138,940 | 19,007 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 1 | Sep 2 | M | 48,973 | $12.60 | $617,060 | 509,433 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 1 | Sep 2 | S | 48,973 | $56.39 | Sale −$2,761,587 | 460,460 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Sep 1 | Sep 2 | M · derivative | 48,973 | $12.60 | $617,060 | 30,034 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Aug 31 | Sep 2 | M | 13,500 | $8.12 | $109,620 | 464,689 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Aug 31 | Sep 2 | S | 5,899 | $56.87 | Sale −$335,476 | 458,790 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Aug 31 | Sep 2 | S | 5,501 | $57.75 | Sale −$317,683 | 453,289 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Aug 31 | Sep 2 | S | 2,100 | $58.52 | Sale −$122,892 | 451,189 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Aug 31 | Sep 2 | M | 44,271 | $12.60 | $557,815 | 495,460 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Aug 31 | Sep 2 | S | 15,600 | $56.81 | Sale −$886,236 | 479,860 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Aug 31 | Sep 2 | S | 13,800 | $57.70 | Sale −$796,260 | 466,060 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Aug 31 | Sep 2 | S | 5,600 | $58.46 | Sale −$327,376 | 460,460 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Aug 31 | Sep 2 | M · derivative | 13,500 | $8.12 | $109,620 | 72,007 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Aug 31 | Sep 2 | M · derivative | 35,000 | $12.60 | $441,000 | 79,007 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Aug 31 | Sep 2 | M · derivative | 9,271 | $12.60 | $116,815 | 175,272 | Yes | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Aug 27 | Aug 28 | M | 27,500 | $8.12 | $223,300 | 248,726 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Aug 27 | Aug 28 | S | 22,590 | $59.69 | Sale −$1,348,397 | 226,136 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Aug 27 | Aug 28 | S | 4,910 | $60.32 | Sale −$296,171 | 221,226 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Aug 27 | Aug 28 | M · derivative | 27,500 | $8.12 | $223,300 | 83,558 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Aug 26 | Aug 28 | M | 10,000 | $8.12 | $81,200 | 221,226 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Aug 26 | Aug 28 | M | 27,500 | $8.12 | $223,300 | 248,726 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Aug 26 | Aug 28 | S | 27,500 | $59.58 | Sale −$1,638,450 | 221,226 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Aug 26 | Aug 28 | M · derivative | 10,000 | $8.12 | $81,200 | 52,279 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Aug 26 | Aug 28 | M · derivative | 27,500 | $8.12 | $223,300 | 111,058 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Aug 14 | Aug 18 | M | 7,000 | $8.12 | $56,840 | 218,226 | Yes | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Aug 14 | Aug 18 | S | 800 | $63.26 | Sale −$50,608 | 217,426 | Yes | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Aug 14 | Aug 18 | S | 5,400 | $64.41 | Sale −$347,814 | 212,026 | Yes | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Aug 14 | Aug 18 | S | 800 | $65.30 | Sale −$52,240 | 211,226 | Yes | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Aug 14 | Aug 18 | M · derivative | 7,000 | $8.12 | $56,840 | 62,279 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Aug 14 | Aug 18 | M | 13,500 | $8.12 | $109,620 | 464,689 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Aug 14 | Aug 18 | S | 1,282 | $63.29 | Sale −$81,138 | 463,407 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Aug 14 | Aug 18 | S | 10,718 | $64.40 | Sale −$690,239 | 452,689 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Aug 14 | Aug 18 | S | 1,500 | $65.26 | Sale −$97,890 | 451,189 | Yes | Form 4 |
| Esaka FumihideChief Executive Officer | Aug 14 | Aug 18 | M · derivative | 13,500 | $8.12 | $109,620 | 85,507 | Yes | Form 4 |
| Zhang Ker | Jun 8 | Jun 10 | A | 4,957 | $0.00 | $0 | 28,766 | No | Form 4 |
| Tautges Joseph A | Jun 8 | Jun 10 | A | 4,957 | $0.00 | $0 | 53,703 | No | Form 4 |
| Chen Timothy | Jun 8 | Jun 10 | A | 4,957 | $0.00 | $0 | 52,575 | No | Form 4 |
| HSIEH Wen Hsuan | Jun 8 | Jun 10 | A | 4,957 | $0.00 | $0 | 4,957 | No | Form 4 |
| Banks Bernard Bennett | Jun 8 | Jun 10 | A | 4,957 | $0.00 | $0 | 4,957 | No | Form 4 |
| Winzeler Jeffrey GChief Financial Officer | Jun 2 | Jun 4 | M | 5,952 | $16.80 | $99,994 | 106,299 | No | Form 4 |
| Winzeler Jeffrey GChief Financial Officer | Jun 2 | Jun 4 | M · derivative | 5,952 | $16.80 | $99,994 | 104,953 | No | Form 4 |
| Chen Timothy | May 27 | May 29 | S | 22,414 | $78.85 | Sale −$1,767,344 | 48,178 | No | Form 4 |
| Chen Timothy | May 27 | May 29 | S | 24,248 | $79.72 | Sale −$1,933,051 | 23,930 | No | Form 4 |
| Chen Timothy | May 27 | May 29 | S | 20,666 | $80.61 | Sale −$1,665,886 | 3,264 | No | Form 4 |
| Chen Timothy | May 27 | May 29 | S | 3,264 | $81.57 | Sale −$266,244 | not reported | No | Form 4 |
| Chen Timothy | Jul 31, 2025 | May 294/A | C | 70,592 | not reported | not reported | 70,592 | No | Form 4/A |
| Chen Timothy | Jul 31, 2025 | May 294/A | C · derivative | 1,707,853 | $0.00 | $0 | not reported | No | Form 4/A |
| Winzeler Jeffrey GChief Financial Officer | May 15 | May 18 | M | 5,952 | $16.80 | $99,994 | 100,347 | No | Form 4 |
| Winzeler Jeffrey GChief Financial Officer | May 15 | May 18 | M · derivative | 5,952 | $16.80 | $99,994 | 110,905 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | May 15 | May 18 | M | 8,100 | $8.12 | $65,772 | 211,226 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | May 15 | May 18 | M · derivative | 8,100 | $8.12 | $65,772 | 69,279 | No | Form 4 |
| Esaka FumihideChief Executive Officer | May 15 | May 18 | M | 45,463 | $8.12 | $369,160 | 436,652 | No | Form 4 |
| Esaka FumihideChief Executive Officer | May 15 | May 18 | M | 14,537 | $12.60 | $183,166 | 451,189 | No | Form 4 |
| Esaka FumihideChief Executive Officer | May 15 | May 18 | M · derivative | 45,463 | $8.12 | $369,160 | 99,007 | No | Form 4 |
| Esaka FumihideChief Executive Officer | May 15 | May 18 | M · derivative | 7,936 | $12.60 | $99,994 | 114,007 | No | Form 4 |
| Esaka FumihideChief Executive Officer | May 15 | May 18 | M · derivative | 6,601 | $12.60 | $83,173 | 184,543 | No | Form 4 |
| Chen Sean ChihhsiangPresident and COO | May 15 | May 18 | M | 55,685 | $5.88 | $327,428 | 175,960 | No | Form 4 |
| Chen Sean ChihhsiangPresident and COO | May 15 | May 18 | S | 32,351 | $70.53 | Sale −$2,281,716 | 143,609 | No | Form 4 |
| Chen Sean ChihhsiangPresident and COO | May 15 | May 18 | S | 23,334 | $71.37 | Sale −$1,665,348 | 120,275 | No | Form 4 |
| Chen Sean ChihhsiangPresident and COO | May 15 | May 18 | M · derivative | 55,685 | $5.88 | $327,428 | 1 | No | Form 4 |
| Winzeler Jeffrey GChief Financial Officer | May 14 | May 18 | M | 26,000 | $16.80 | $436,800 | 120,395 | No | Form 4 |
| Winzeler Jeffrey GChief Financial Officer | May 14 | May 18 | S | 25,918 | $69.90 | Sale −$1,811,668 | 94,477 | No | Form 4 |
| Winzeler Jeffrey GChief Financial Officer | May 14 | May 18 | S | 82 | $70.65 | Sale −$5,793 | 94,395 | No | Form 4 |
| Winzeler Jeffrey GChief Financial Officer | May 14 | May 18 | M · derivative | 26,000 | $16.80 | $436,800 | 116,857 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | May 14 | May 18 | M | 10,200 | $8.12 | $82,824 | 213,326 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | May 14 | May 18 | S | 3,900 | $68.62 | Sale −$267,618 | 209,426 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | May 14 | May 18 | S | 6,100 | $69.59 | Sale −$424,499 | 203,326 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | May 14 | May 18 | S | 200 | $70.50 | Sale −$14,100 | 203,126 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | May 14 | May 18 | M · derivative | 10,200 | $8.12 | $82,824 | 77,379 | No | Form 4 |
| Esaka FumihideChief Executive Officer | May 14 | May 18 | M | 60,000 | $8.12 | $487,200 | 451,189 | No | Form 4 |
| Esaka FumihideChief Executive Officer | May 14 | May 18 | S | 60,000 | $70.02 | Sale −$4,201,200 | 391,189 | No | Form 4 |
| Esaka FumihideChief Executive Officer | May 14 | May 18 | M · derivative | 60,000 | $8.12 | $487,200 | 144,470 | No | Form 4 |
| Connors Michele KimGeneral Counsel | Apr 2 | Apr 6 | S | 660 | $26.04 | Sale −$17,186 | 60,705 | No | Form 4 |
| Connors Michele KimGeneral Counsel | Apr 2 | Apr 6 | S | 151 | $26.65 | Sale −$4,024 | 60,554 | No | Form 4 |
| Winzeler Jeffrey GChief Financial Officer | Mar 6 | Apr 24/A | A | 41,728 | $0.00 | $0 | 94,395 | No | Form 4/A |
| Hanson Scott McLeanChief Technology Officer | Mar 6 | Apr 24/A | A | 80,308 | $0.00 | $0 | 203,126 | No | Form 4/A |
| Esaka FumihideChief Executive Officer | Mar 6 | Apr 24/A | A | 160,616 | $0.00 | $0 | 391,189 | No | Form 4/A |
| Chen Sean ChihhsiangPresident and COO | Mar 6 | Apr 24/A | A | 64,246 | $0.00 | $0 | 120,275 | No | Form 4/A |
| Connors Michele KimGeneral Counsel | Mar 6 | Apr 24/A | A | 32,123 | $0.00 | $0 | 61,365 | No | Form 4/A |
| HSIEH Wen Hsuan | Feb 18 | Feb 20 | M | 238,931 | $12.60 | $3,010,531 | 633,920 | No | Form 4 |
| HSIEH Wen Hsuan | Feb 18 | Feb 20 | M · derivative | 238,931 | $12.60 | $3,010,531 | not reported | No | Form 4 |
| Esaka FumihideChief Executive Officer | Oct 7, 2025 | Feb 10 | M | 53,660 | $5.88 | $315,521 | 230,573 | No | Form 4 |
| Esaka FumihideChief Executive Officer | Oct 7, 2025 | Feb 10 | M · derivative | 53,660 | $5.88 | $315,521 | not reported | No | Form 4 |
| Tautges Joseph A | Jan 26 | Jan 28 | S | 7,800 | $31.00 | Sale −$241,800 | 48,746 | No | Form 4 |
| Hanson Scott McLeanChief Technology Officer | Jan 26 | Jan 28 | S | 10,000 | $31.00 | Sale −$310,000 | 122,818 | No | Form 4 |
| Connors Michele KimGeneral Counsel | Jan 5 | Jan 7 | A | 23,759 | $0.00 | $0 | 23,759 | No | Form 4 |
| Connors Michele KimGeneral Counsel | Jan 5 | Jan 7 | A | 5,483 | $0.00 | $0 | 29,242 | No | Form 4 |
| Winzeler Jeffrey GChief Financial Officer | Oct 2, 2025 | Oct 6, 2025 | A | 52,667 | $0.00 | $0 | 52,667 | No | Form 4 |
| Hanson Scott McLeanChief Financial Officer | Oct 2, 2025 | Oct 6, 2025 | A | 83,819 | $0.00 | $0 | 132,818 | No | Form 4 |
| Esaka FumihideChief Executive Officer | Oct 2, 2025 | Oct 6, 2025 | A | 159,907 | $0.00 | $0 | 176,913 | No | Form 4 |
| Chen Sean ChihhsiangPresident and COO | Oct 2, 2025 | Oct 6, 2025 | A | 56,029 | $0.00 | $0 | 56,029 | No | Form 4 |
| HSIEH Wen Hsuan | Jul 31, 2025 | Jul 31, 2025 | C | 394,989 | not reported | not reported | 394,989 | No | Form 4 |
| HSIEH Wen Hsuan | Jul 31, 2025 | Jul 31, 2025 | C · derivative | 394,989 | $0.00 | $0 | not reported | No | Form 4 |
| Kleiner Perkins Caufield & Byers XVI, LLC | Jul 31, 2025 | Jul 31, 2025 | C | 748,046 | not reported | not reported | 1,172,079 | No | Form 4 |
| Kleiner Perkins Caufield & Byers XVI, LLC | Jul 31, 2025 | Jul 31, 2025 | C | 98,958 | not reported | not reported | 1,271,037 | No | Form 4 |
| Kleiner Perkins Caufield & Byers XVI, LLC | Jul 31, 2025 | Jul 31, 2025 | C | 23,294 | not reported | not reported | 1,294,331 | No | Form 4 |
| Kleiner Perkins Caufield & Byers XVI, LLC | Jul 31, 2025 | Jul 31, 2025 | C | 194,618 | not reported | not reported | 1,488,949 | No | Form 4 |
| Kleiner Perkins Caufield & Byers XVI, LLC | Jul 31, 2025 | Jul 31, 2025 | C · derivative | 748,046 | $0.00 | $0 | not reported | No | Form 4 |
| Kleiner Perkins Caufield & Byers XVI, LLC | Jul 31, 2025 | Jul 31, 2025 | C · derivative | 98,958 | $0.00 | $0 | not reported | No | Form 4 |
| Kleiner Perkins Caufield & Byers XVI, LLC | Jul 31, 2025 | Jul 31, 2025 | C · derivative | 22,594 | $0.00 | $0 | not reported | No | Form 4 |
| Kleiner Perkins Caufield & Byers XVI, LLC | Jul 31, 2025 | Jul 31, 2025 | C · derivative | 171,064 | $0.00 | $0 | not reported | No | Form 4 |
| Tautges Joseph A | Jul 29, 2025 | Jul 31, 2025 | A | 56,546 | $0.00 | $0 | 56,546 | No | Form 4 |
| Zhang Ker | Jul 29, 2025 | Jul 31, 2025 | A | 23,809 | $0.00 | $0 | 23,809 | No | Form 4 |