SEC Insider Transactions from Day Christopher.

Last updated: 2026-03-14 11:02 UTC | Total transactions: 18

Day Christopher, VP of Marketing at Ambarella Inc. ($AMBA), made two open market sales of company stock over the past year, totaling $44,228. His most recent transaction occurred on June 17, 2025. These sales rank 10,518th out of 11,678 insiders in the database, well below the average of $8.6 million and 6.4 transactions per insider. He reported no open market purchases during 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
June 17, 2025 AMBARELLA INC $AMBA Day Christopher VP, Marketing S Ordinary Shares 342 $52.26 15,099.0000 42,437,410 2.21% 0.00%
March 18, 2025 AMBARELLA INC $AMBA Day Christopher VP, Marketing S Ordinary Shares 479 $55.02 15,441.0000 0 3.01% 0.00%
March 5, 2025 AMBARELLA INC $AMBA Day Christopher VP, Marketing A Ordinary Shares 1990 $0.00 16,520.0000 0 13.70% 0.00%
March 6, 2025 AMBARELLA INC $AMBA Day Christopher VP, Marketing S Ordinary Shares 834 $55.11 15,686.0000 0 5.05% 0.00%
Jan. 3, 2025 AMBARELLA INC $AMBA Day Christopher VP, Marketing S Ordinary Shares 1247 $78.10 14,530.0000 0 7.90% 0.00%
Dec. 18, 2024 AMBARELLA INC $AMBA Day Christopher VP, Marketing S Ordinary Shares 81 $75.41 16,625.0000 0 0.48% 0.00%
Dec. 18, 2024 AMBARELLA INC $AMBA Day Christopher VP, Marketing S Ordinary Shares 848 $75.40 15,777.0000 0 5.10% 0.00%
Dec. 16, 2024 AMBARELLA INC $AMBA Day Christopher VP, Marketing S Ordinary Shares 482 $75.41 16,706.0000 0 2.80% 0.00%
Dec. 2, 2024 AMBARELLA INC $AMBA Day Christopher VP, Marketing S Ordinary Shares 1278 $71.61 17,188.0000 0 6.92% 0.00%
Oct. 3, 2024 AMBARELLA INC $AMBA Day Christopher VP, Marketing S Ordinary Shares 2904 $58.00 18,466.0000 0 13.59% 0.00%
Sept. 17, 2024 AMBARELLA INC $AMBA Day Christopher VP, Marketing S Ordinary Shares 483 $53.54 21,370.0000 0 2.21% 0.00%
July 8, 2024 AMBARELLA INC $AMBA Day Christopher VP, Marketing S Ordinary Shares 1408 $61.66 21,599.0000 0 6.12% 0.00%
June 18, 2024 AMBARELLA INC $AMBA Day Christopher VP, Marketing S Ordinary Shares 487 $55.48 23,007.0000 0 2.07% 0.00%
March 18, 2024 AMBARELLA INC $AMBA Day Christopher VP, Marketing S Ordinary Shares 416 $49.27 23,494.0000 0 1.74% 0.00%
March 7, 2024 AMBARELLA INC $AMBA Day Christopher VP, Marketing A Ordinary Shares 726 $0.00 23,994.0000 0 3.12% 0.00%
March 8, 2024 AMBARELLA INC $AMBA Day Christopher VP, Marketing S Ordinary Shares 302 $57.16 23,692.0000 0 1.26% 0.00%
Feb. 29, 2024 AMBARELLA INC $AMBA Day Christopher VP, Marketing A Ordinary Shares 7284 $0.00 23,268.0000 0 45.57% 0.00%
Feb. 29, 2024 AMBARELLA INC $AMBA Day Christopher VP, Marketing A Performance Stock Units 7284 $0.00 7,284.0000 0 9999.99% 0.00%