Insider

Insider

Form 4/4-A open-market insider transactions (officers, directors, 10% owners) · 151 transactions
Table I (non-derivative) transactions only -- common stock bought, sold, awarded, exercised, or tax-withheld. Covers this app's full ticker Universe (backfilled INSIDER_LOOKBACK_QUARTERS quarters back, continuously monitored) plus whatever the market-wide discovery has found beyond it. Informational only: never summed into the core flow ranking.
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Ticker Insider Role Type Date Shares Price Value Notes Filing
AMBA Young John Alexander CFO Sale 10b5-1 2026-09-18 1,896 $67.28 $127,563 Disposed (107,806 owned after) EDGAR
AMBA Ju Chi-Hong Senior VP, Systems & GM Sale 2026-09-17 2,009 $64.83 $130,243 Disposed (154,153 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 2026-09-17 6,086 $64.83 $394,555 Disposed (767,759 owned after) EDGAR
AMBA Young John Alexander CFO Sale 2026-09-17 3,126 $64.83 $202,659 Disposed (109,702 owned after) EDGAR
AMBA Lee Chan W Chief Operations Officer Sale 2026-09-17 2,893 $64.83 $187,553 Disposed (154,443 owned after) EDGAR
AMBA Bryant Gregory M Director Award 2026-09-08 3,151 — — Acquired (5,608 owned after) EDGAR
AMBA PAISLEY CHRISTOPHER B Director Award 2026-09-08 3,151 — — Acquired (44,180 owned after) EDGAR
AMBA Hu Chenming Director Award 2026-09-08 3,151 — — Acquired (32,667 owned after) EDGAR
AMBA RICHARDSON DAVID JEFFREY Director Award 2026-09-08 3,151 — — Acquired (5,649 owned after) EDGAR
AMBA Breithaupt Chantelle Yvette Director Award 2026-09-08 3,151 — — Acquired (8,091 owned after) EDGAR
AMBA Schwarting Elizabeth M Director Award 2026-09-08 3,151 — — Acquired (9,841 owned after) EDGAR
AMBA Hon Hsiao-Wuen Director Award 2026-09-08 3,151 — — Acquired (33,927 owned after) EDGAR
AMBA Chen Yun-Lung VP, Business Dev. & Marketing Sale 2026-07-09 5,958 $78.66 $468,656 Disposed (60,557 owned after) EDGAR
AMBA Ju Chi-Hong Senior VP, Systems & GM Sale 2026-07-01 10,000 $88.84 $888,400 Disposed (155,924 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 10b5-1 2026-07-01 16,250 $90.08 $1,463,800 Disposed (773,607 owned after) EDGAR
AMBA PAISLEY CHRISTOPHER B Director Sale 10b5-1 2026-06-26 250 $62.01 $15,502 Disposed (41,029 owned after) EDGAR
AMBA Young John Alexander CFO Sale 10b5-1 2026-06-17 3,186 $67.87 $216,234 Disposed (114,437 owned after) EDGAR
AMBA Young John Alexander CFO Sale 10b5-1 2026-06-17 1,847 $66.98 $123,712 Disposed (112,590 owned after) EDGAR
AMBA Lee Chan W Chief Operations Officer Sale 2026-06-17 2,951 $67.87 $200,284 Disposed (157,098 owned after) EDGAR
AMBA Ju Chi-Hong Senior VP, Systems & GM Sale 2026-06-17 2,017 $67.87 $136,894 Disposed (165,924 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 2026-06-17 6,204 $67.87 $421,065 Disposed (799,857 owned after) EDGAR
AMBA Wang Feng-Ming CEO Gift 2026-06-17 10,000 — — Disposed (789,857 owned after) EDGAR
AMBA Chen Yun-Lung VP, Business Development and Sale 2026-06-12 9,856 $67.06 $660,943 Disposed (66,515 owned after) EDGAR
AMBA Young John Alexander CFO Option exercise 10b5-1 2026-05-26 400 $55.80 $22,320 Acquired (118,023 owned after) EDGAR
AMBA Young John Alexander CFO Sale 10b5-1 2026-05-26 400 $96.00 $38,400 Disposed (117,623 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 10b5-1 2026-05-26 17,285 $90.38 $1,562,203 Disposed (821,276 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 10b5-1 2026-05-26 6,065 $91.23 $553,306 Disposed (815,211 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 10b5-1 2026-05-26 9,150 $92.05 $842,246 Disposed (806,061 owned after) EDGAR
AMBA Young John Alexander CFO Sale 10b5-1 2026-04-21 1,971 $60.00 $118,260 Disposed (117,623 owned after) EDGAR
AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia Sale 2026-03-19 2,155 $54.14 $116,672 Disposed (167,941 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 2026-03-19 8,083 $54.14 $437,614 Disposed (838,561 owned after) EDGAR
AMBA Young John Alexander CFO Sale 2026-03-19 3,038 $54.14 $164,477 Disposed (119,594 owned after) EDGAR
AMBA Lee Chan W Chief Operations Officer Sale 2026-03-19 3,641 $54.14 $197,124 Disposed (160,049 owned after) EDGAR
AMBA Chen Yun-Lung VP, Business Development and M Award 2026-03-18 2,849 — — Acquired (76,371 owned after) EDGAR
AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia Award 2026-03-18 5,930 — — Acquired (170,096 owned after) EDGAR
AMBA Wang Feng-Ming CEO Award 2026-03-18 15,686 — — Acquired (846,644 owned after) EDGAR
AMBA Young John Alexander CFO Award 2026-03-18 5,560 — — Acquired (122,632 owned after) EDGAR
AMBA Lee Chan W Chief Operations Officer Award 2026-03-18 7,320 — — Acquired (163,690 owned after) EDGAR
AMBA Chen Yun-Lung VP, Business Development and M Option exercise 2026-03-17 4,651 — — Acquired (73,522 owned after) EDGAR
AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia Option exercise 2026-03-17 9,553 — — Acquired (168,895 owned after) EDGAR
AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia Sale 2026-03-17 4,729 $52.77 $249,549 Disposed (164,166 owned after) EDGAR
AMBA Wang Feng-Ming CEO Option exercise 2026-03-17 27,598 — — Acquired (849,934 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 2026-03-17 18,976 $52.77 $1,001,364 Disposed (830,958 owned after) EDGAR
AMBA Young John Alexander CFO Option exercise 2026-03-17 3,556 — — Acquired (121,649 owned after) EDGAR
AMBA Young John Alexander CFO Sale 2026-03-17 4,577 $52.77 $241,528 Disposed (117,072 owned after) EDGAR
AMBA Lee Chan W Chief Operations Officer Option exercise 2026-03-17 13,678 — — Acquired (163,099 owned after) EDGAR
AMBA Lee Chan W Chief Operations Officer Sale 2026-03-17 6,729 $52.77 $355,089 Disposed (156,370 owned after) EDGAR
AMBA Chen Yun-Lung VP, Business Development and M Award 2026-03-02 7,220 — — Acquired (68,871 owned after) EDGAR
AMBA Wang Feng-Ming CEO Option exercise 10b5-1 2026-03-02 50,000 $41.36 $2,068,000 Acquired (818,979 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 10b5-1 2026-03-02 1,000 $56.83 $56,832 Disposed (817,979 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 10b5-1 2026-03-02 1,900 $58.77 $111,663 Disposed (816,079 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 10b5-1 2026-03-02 2,600 $59.53 $154,770 Disposed (813,479 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 10b5-1 2026-03-02 32,460 $60.91 $1,977,226 Disposed (781,019 owned after) EDGAR
AMBA Young John Alexander CFO Award 2026-03-02 15,201 — — Acquired (117,939 owned after) EDGAR
AMBA Bryant Gregory M Director Award 2026-03-02 2,457 — — Acquired (2,457 owned after) EDGAR
AMBA Lee Chan W Chief Operations Officer Award 2026-03-02 24,701 — — Acquired (149,267 owned after) EDGAR
AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia Award 2026-03-02 17,329 — — Acquired (159,188 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 10b5-1 2026-03-02 12,040 $61.42 $739,540 Disposed (768,979 owned after) EDGAR
AMBA Wang Feng-Ming CEO Award 10b5-1 2026-03-02 53,203 — — Acquired (822,182 owned after) EDGAR
AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia Sale 2026-01-05 7,728 $75.58 $584,105 Disposed (146,039 owned after) EDGAR
AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia Sale 2025-12-30 7,945 $70.25 $558,136 Disposed (149,587 owned after) EDGAR
AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia Sale 2025-12-30 3,765 $70.32 $264,755 Disposed (153,767 owned after) EDGAR
AMBA PAISLEY CHRISTOPHER B Director Sale 2025-12-26 500 $72.18 $36,090 Disposed (41,279 owned after) EDGAR
AMBA Wang Feng-Ming CEO Gift 2025-12-19 15,000 — — Disposed (768,979 owned after) EDGAR
AMBA Young John Alexander CFO Sale 2025-12-18 3,791 $72.96 $276,591 Disposed (102,738 owned after) EDGAR
AMBA Lee Chan W Chief Operations Officer Sale 2025-12-17 2,406 $71.82 $172,799 Disposed (124,566 owned after) EDGAR
AMBA Young John Alexander CFO Sale 2025-12-17 2,579 $71.82 $185,224 Disposed (106,529 owned after) EDGAR
AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia Sale 2025-12-17 1,342 $71.82 $96,382 Disposed (157,532 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 2025-12-17 4,950 $71.82 $355,509 Disposed (783,979 owned after) EDGAR
AMBA Schwarting Elizabeth M Director Sale 2025-12-16 624 $72.38 $45,163 Disposed (6,690 owned after) EDGAR
AMBA RICHARDSON DAVID JEFFREY Director Gift 2025-12-15 2,531 — — Disposed (2,498 owned after) EDGAR
AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia Sale 2025-10-14 6,156 $80.96 $498,390 Disposed (158,874 owned after) EDGAR
AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia Sale 2025-10-13 5,057 $81.29 $411,093 Disposed (165,030 owned after) EDGAR
AMBA Schwarting Elizabeth M Director Sale 2025-10-06 2,664 $85.38 $227,445 Disposed (7,314 owned after) EDGAR
AMBA Ju Chi-Hong Sr. Vice President, Systems Sale 2025-09-17 1,168 $79.43 $92,774 Disposed (170,087 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 2025-09-17 4,928 $79.43 $391,431 Disposed (788,929 owned after) EDGAR
AMBA Young John Alexander CFO Sale 2025-09-17 2,566 $79.43 $203,817 Disposed (109,108 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Sale 2025-09-17 1,947 $79.43 $154,650 Disposed (126,972 owned after) EDGAR
AMBA Kohn Leslie Chief Technology Officer Sale 2025-09-17 2,249 $79.43 $178,638 Disposed (977,428 owned after) EDGAR
AMBA Chen Yun-Lung VP, Business Development Sale 2025-09-10 8,492 $84.42 $716,895 Disposed (61,651 owned after) EDGAR
AMBA Hon Hsiao-Wuen Director Award 2025-09-02 2,498 — — Acquired (30,776 owned after) EDGAR
AMBA RICHARDSON DAVID JEFFREY Director Award 2025-09-02 2,498 — — Acquired (5,029 owned after) EDGAR
AMBA PAISLEY CHRISTOPHER B Director Award 2025-09-02 2,498 — — Acquired (41,779 owned after) EDGAR
AMBA Breithaupt Chantelle Yvette Director Award 2025-09-02 2,498 — — Acquired (4,940 owned after) EDGAR
AMBA Hu Chenming Director Award 2025-09-02 2,498 — — Acquired (29,516 owned after) EDGAR
AMBA Schwarting Elizabeth M Director Award 2025-09-02 2,498 — — Acquired (9,978 owned after) EDGAR
AMBA PAISLEY CHRISTOPHER B Director Sale 10b5-1 2025-06-25 1,000 $62.58 $62,580 Disposed (39,281 owned after) EDGAR
AMBA Young John Alexander CFO Sale 2025-06-17 2,435 $52.26 $127,253 Disposed (111,451 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Sale 2025-06-17 1,601 $52.26 $83,668 Disposed (128,696 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 2025-06-17 4,677 $52.26 $244,420 Disposed (793,634 owned after) EDGAR
AMBA Ju Chi-Hong Sr. Vice President, Systems Sale 2025-06-17 1,108 $52.26 $57,904 Disposed (171,032 owned after) EDGAR
AMBA Kohn Leslie Chief Technology Officer Sale 2025-06-17 1,715 $52.26 $89,626 Disposed (979,677 owned after) EDGAR
AMBA Day Christopher VP, Marketing Sale 2025-06-17 342 $52.26 $17,873 Disposed (15,099 owned after) EDGAR
AMBA PAISLEY CHRISTOPHER B Director Sale 10b5-1 2025-03-25 500 $55.50 $27,750 Disposed (40,281 owned after) EDGAR
AMBA Young John Alexander CFO Sale 2025-03-18 2,103 $55.02 $115,707 Disposed (113,886 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 2025-03-18 3,194 $55.02 $175,734 Disposed (798,311 owned after) EDGAR
AMBA Kohn Leslie Chief Technology Officer Sale 2025-03-18 1,584 $55.02 $87,152 Disposed (981,392 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Sale 2025-03-18 1,468 $55.02 $80,769 Disposed (130,297 owned after) EDGAR
AMBA Day Christopher VP, Marketing Sale 2025-03-18 479 $55.02 $26,355 Disposed (15,441 owned after) EDGAR
AMBA Ju Chi-Hong Sr. Vice President, Systems Sale 2025-03-18 1,034 $55.02 $56,891 Disposed (172,140 owned after) EDGAR
AMBA Schwarting Elizabeth M Director Disposition 2025-03-17 422 $55.90 $23,591 Disposed (7,480 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Sale 2025-03-06 2,108 $55.11 $116,172 Disposed (131,531 owned after) EDGAR
AMBA Day Christopher VP, Marketing Sale 2025-03-06 834 $55.11 $45,962 Disposed (15,686 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 2025-03-06 4,104 $55.11 $226,171 Disposed (801,271 owned after) EDGAR
AMBA Young John Alexander CFO Sale 2025-03-06 2,663 $55.11 $146,758 Disposed (115,755 owned after) EDGAR
AMBA Ju Chi-Hong Sr. Vice President, Systems Sale 2025-03-06 1,859 $55.11 $102,449 Disposed (172,940 owned after) EDGAR
AMBA Kohn Leslie Chief Technology Officer Sale 2025-03-06 2,316 $55.11 $127,635 Disposed (982,976 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Award 2025-03-05 5,465 — — Acquired (133,639 owned after) EDGAR
AMBA Day Christopher VP, Marketing Award 2025-03-05 1,990 — — Acquired (16,520 owned after) EDGAR
AMBA Wang Feng-Ming CEO Award 2025-03-05 11,024 — — Acquired (805,375 owned after) EDGAR
AMBA Young John Alexander CFO Award 2025-03-05 4,637 — — Acquired (118,418 owned after) EDGAR
AMBA Ju Chi-Hong Sr. Vice President, Systems Award 2025-03-05 4,773 — — Acquired (174,799 owned after) EDGAR
AMBA Kohn Leslie Chief Technology Officer Award 2025-03-05 6,056 — — Acquired (985,292 owned after) EDGAR
AMBA Chen Yun-Lung VP, Business Development Award 2025-03-05 2,249 — — Acquired (70,143 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Award 2025-02-28 18,256 — — Acquired (128,174 owned after) EDGAR
AMBA Wang Feng-Ming CEO Award 2025-02-28 39,120 — — Acquired (794,351 owned after) EDGAR
AMBA Young John Alexander CFO Award 2025-02-28 12,388 — — Acquired (113,781 owned after) EDGAR
AMBA Ju Chi-Hong Sr. Vice President, Systems Award 2025-02-28 12,388 — — Acquired (170,026 owned after) EDGAR
AMBA Kohn Leslie Chief Technology Officer Award 2025-02-28 19,560 — — Acquired (979,236 owned after) EDGAR
AMBA Chen Yun-Lung VP, Business Development Award 2025-02-28 5,868 — — Acquired (67,894 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Sale 10b5-1 2025-01-16 1,000 $77.21 $77,210 Disposed (109,918 owned after) EDGAR
AMBA RICHARDSON DAVID JEFFREY Director Gift 2025-01-15 1,648 — — Disposed (2,531 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Sale 10b5-1 2025-01-15 1,000 $75.90 $75,900 Disposed (110,918 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Sale 10b5-1 2025-01-14 1,000 $75.68 $75,680 Disposed (111,918 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Sale 10b5-1 2025-01-13 1,000 $73.50 $73,500 Disposed (112,918 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Sale 10b5-1 2025-01-10 1,000 $74.12 $74,120 Disposed (113,918 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Sale 10b5-1 2025-01-08 1,000 $73.48 $73,480 Disposed (114,918 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Sale 10b5-1 2025-01-07 1,000 $78.73 $78,730 Disposed (115,918 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Sale 10b5-1 2025-01-06 1,000 $79.15 $79,150 Disposed (116,918 owned after) EDGAR
AMBA Day Christopher VP, Marketing Sale 2025-01-03 1,247 $78.10 $97,394 Disposed (14,530 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Sale 10b5-1 2025-01-03 1,000 $75.06 $75,060 Disposed (117,918 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Sale 10b5-1 2025-01-02 1,000 $73.32 $73,320 Disposed (118,918 owned after) EDGAR
AMBA PAISLEY CHRISTOPHER B Director Sale 10b5-1 2024-12-26 1,500 $73.80 $110,700 Disposed (40,781 owned after) EDGAR
AMBA Schwarting Elizabeth M Director Sale 2024-12-18 253 $71.55 $18,103 Disposed (7,902 owned after) EDGAR
AMBA Day Christopher VP, Marketing Sale 2024-12-18 81 $75.41 $6,108 Disposed (16,625 owned after) EDGAR
AMBA Day Christopher VP, Marketing Sale 2024-12-18 848 $75.40 $63,939 Disposed (15,777 owned after) EDGAR
AMBA Young John Alexander CFO Sale 2024-12-16 2,136 $75.41 $161,076 Disposed (101,393 owned after) EDGAR
AMBA Day Christopher VP, Marketing Sale 2024-12-16 482 $75.41 $36,348 Disposed (16,706 owned after) EDGAR
AMBA Lee Chan W Chief Operating Officer Sale 2024-12-16 1,488 $75.41 $112,210 Disposed (119,918 owned after) EDGAR
AMBA Kohn Leslie Chief Technology Officer Sale 2024-12-16 1,757 $75.41 $132,495 Disposed (959,676 owned after) EDGAR
AMBA Ju Chi-Hong Sr. Vice President, Systems Sale 2024-12-16 1,048 $75.41 $79,030 Disposed (157,638 owned after) EDGAR
AMBA Wang Feng-Ming CEO Sale 2024-12-16 4,296 $75.41 $323,961 Disposed (755,231 owned after) EDGAR
AMBA Hon Hsiao-Wuen Director Sale 2024-12-13 377 $74.15 $27,954 Disposed (28,278 owned after) EDGAR
AMBA Ju Chi-Hong Sr. Vice President, Systems Gift 2024-12-09 593 — — Disposed (163,804 owned after) EDGAR
AMBA Ju Chi-Hong Sr. Vice President, Systems Sale 2024-12-09 2,118 $75.69 $160,315 Disposed (161,686 owned after) EDGAR
AMBA Ju Chi-Hong Sr. Vice President, Systems Sale 2024-12-09 3,000 $75.72 $227,160 Disposed (158,686 owned after) EDGAR
AMBA Ju Chi-Hong Sr. Vice President, Systems Gift 2024-12-04 5,000 — — Disposed (164,397 owned after) EDGAR
AMBA Day Christopher VP, Marketing Sale 2024-12-02 1,278 $71.61 $91,511 Disposed (17,188 owned after) EDGAR
AMBA Wang Feng-Ming CEO Gift 2024-10-07 40,000 — — Disposed (759,527 owned after) EDGAR
AMBA Day Christopher VP, Marketing Sale 2024-10-03 2,904 $58.00 $168,432 Disposed (18,466 owned after) EDGAR
AMBA PAISLEY CHRISTOPHER B Director Sale 10b5-1 2024-09-25 500 $53.71 $26,855 Disposed (42,281 owned after) EDGAR
Long US-equity 13F disclosures only · up to 45-day reporting lag · sells = reduce/avoid, not short. JSON: /api/signals · /api/funds · /api/status