SEC Insider Transactions from Ju Chi-Hong.

Last updated: 2026-03-19 23:02 UTC | Total transactions: 39

Ju Chi-Hong, Senior VP of Systems and GM for Asia at Ambarella Inc. ($AMBA), sold about $2.6 million worth of company shares through 9 open market transactions over the past year. His most recent sale occurred on January 5, 2026. These sales rank him 2,960th among 11,678 individual insiders by total value sold, below the average of $8.6 million across roughly 6.4 transactions per insider. He made no open market purchases in this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 19, 2026 AMBARELLA INC $AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia S Ordinary Shares 2155 $54.14 175,941.0000 43,050,486 1.21% 0.01%
March 17, 2026 AMBARELLA INC $AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia S Ordinary Shares 4729 $52.77 172,166.0000 43,050,486 2.67% 0.01%
March 18, 2026 AMBARELLA INC $AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia A Ordinary Shares 5930 $0.00 178,096.0000 43,050,486 3.44% 0.01%
March 17, 2026 AMBARELLA INC $AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia M Performance Stock Units 9553 $0.00 0.0000 43,050,486 100.00% 0.02%
March 17, 2026 AMBARELLA INC $AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia M Ordinary Shares 9553 $0.00 176,895.0000 43,050,486 5.71% 0.02%
March 2, 2026 AMBARELLA INC $AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia A Ordinary Shares 17329 $0.00 167,188.0000 43,050,486 11.56% 0.04%
March 2, 2026 AMBARELLA INC $AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia A Performance Stock Units 17329 $0.00 17,329.0000 43,050,486 9999.99% 0.04%
Dec. 30, 2025 AMBARELLA INC $AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia S Ordinary Shares 7945 $70.25 149,587.0000 43,050,486 5.04% 0.02%
Jan. 5, 2026 AMBARELLA INC $AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia S Ordinary Shares 7728 $75.58 154,039.0000 43,050,486 4.78% 0.02%
Dec. 30, 2025 AMBARELLA INC $AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia S Ordinary Shares 3765 $70.32 161,767.0000 43,050,486 2.27% 0.01%
Dec. 17, 2025 AMBARELLA INC $AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia S Ordinary Shares 1342 $71.82 165,532.0000 43,050,486 0.80% 0.00%
Oct. 14, 2025 AMBARELLA INC $AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia S Ordinary Shares 6156 $80.96 166,874.0000 42,437,410 3.56% 0.01%
Oct. 13, 2025 AMBARELLA INC $AMBA Ju Chi-Hong Senior VP, Systems & GM, Asia S Ordinary Shares 5057 $81.29 173,030.0000 42,437,410 2.84% 0.01%
Sept. 17, 2025 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems S Ordinary Shares 1168 $79.43 178,087.0000 42,437,410 0.65% 0.00%
June 17, 2025 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems S Ordinary Shares 1108 $52.26 179,032.0000 42,437,410 0.62% 0.00%
March 18, 2025 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems S Ordinary Shares 1034 $55.02 180,140.0000 0 0.57% 0.00%
March 5, 2025 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems A Ordinary Shares 4773 $0.00 182,799.0000 0 2.68% 0.00%
March 6, 2025 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems S Ordinary Shares 1859 $55.11 180,940.0000 0 1.02% 0.00%
Feb. 28, 2025 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems A Performance Stock Units 12388 $0.00 12,388.0000 0 9999.99% 0.00%
Feb. 28, 2025 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems A Ordinary Shares 12388 $0.00 178,026.0000 0 7.48% 0.00%
Dec. 16, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems S Ordinary Shares 1048 $75.41 165,638.0000 0 0.63% 0.00%
Dec. 9, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems S Ordinary Shares 2118 $75.69 169,686.0000 0 1.23% 0.00%
Dec. 9, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems S Ordinary Shares 3000 $75.72 166,686.0000 0 1.77% 0.00%
Dec. 9, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems G Ordinary Shares 593 $0.00 171,804.0000 0 0.34% 0.00%
Dec. 4, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems G Ordinary Shares 5000 $0.00 172,397.0000 0 2.99% 0.00%
Dec. 4, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems G Ordinary Shares 5000 $0.00 172,397.0000 0 2.82% 0.00%
Sept. 17, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems S Ordinary Shares 1050 $53.54 172,397.0000 0 0.61% 0.00%
June 26, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems S Ordinary Shares 6000 $52.90 173,193.0000 0 3.35% 0.00%
June 21, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems S Ordinary Shares 8900 $55.53 179,193.0000 0 4.73% 0.00%
June 21, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems M Non-Qualified Stock Option (right to buy) 8900 $0.00 0.0000 0 100.00% 0.00%
June 21, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems M Ordinary Shares 8900 $38.92 188,093.0000 0 4.97% 0.00%
June 18, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems S Ordinary Shares 1059 $55.48 179,193.0000 0 0.59% 0.00%
June 10, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems S Ordinary Shares 1895 $57.50 180,252.0000 0 1.04% 0.00%
June 7, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems S Ordinary Shares 2296 $56.79 182,147.0000 0 1.24% 0.00%
March 18, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems S Ordinary Shares 778 $49.27 184,443.0000 0 0.42% 0.00%
March 8, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems S Ordinary Shares 509 $57.16 185,003.0000 0 0.27% 0.00%
March 7, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems A Ordinary Shares 1224 $0.00 185,512.0000 0 0.66% 0.00%
Feb. 29, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems A Performance Stock Units 15898 $0.00 15,898.0000 0 9999.99% 0.00%
Feb. 29, 2024 AMBARELLA INC $AMBA Ju Chi-Hong Sr. Vice President, Systems A Ordinary Shares 15898 $0.00 184,288.0000 0 9.44% 0.00%