SEC Insider Transactions from Chu Steven.

Last updated: 2026-03-14 11:57 UTC | Total transactions: 14

Director Chu Steven sold Amprius Technologies Inc ($AMPX) shares on the open market four times over the past year, totaling nearly $5.9 million. His most recent sale occurred on March 12, 2026. These sales rank him 1,720th among 11,678 insiders by total value sold, below the average of $8.6 million across 6.4 transactions per insider. He made no open market purchases in the 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 12, 2026 Amprius Technologies, Inc. $AMPX Chu Steven Director M Stock Option (right to buy) 69422 $0.62 0.0000 130,483,838 100.00% 0.05%
March 12, 2026 Amprius Technologies, Inc. $AMPX Chu Steven Director S Common stock 50000 $18.21 132,904.0000 130,483,838 27.34% 0.04%
March 12, 2026 Amprius Technologies, Inc. $AMPX Chu Steven Director S Common stock 5565 $18.53 127,339.0000 130,483,838 4.19% 0.00%
March 10, 2026 Amprius Technologies, Inc. $AMPX Chu Steven Director M Stock Option (right to buy) 104132 $0.62 69,422.0000 130,483,838 60.00% 0.08%
March 12, 2026 Amprius Technologies, Inc. $AMPX Chu Steven Director M Stock Option (right to buy) 86143 $2.61 184,108.0000 130,483,838 31.88% 0.07%
March 10, 2026 Amprius Technologies, Inc. $AMPX Chu Steven Director M Common stock 104132 $0.62 293,971.0000 130,483,838 54.85% 0.08%
March 10, 2026 Amprius Technologies, Inc. $AMPX Chu Steven Director S Common stock 166632 $17.92 127,339.0000 130,483,838 56.68% 0.13%
March 12, 2026 Amprius Technologies, Inc. $AMPX Chu Steven Director M Common stock 86143 $2.61 213,482.0000 130,483,838 67.65% 0.07%
March 12, 2026 Amprius Technologies, Inc. $AMPX Chu Steven Director M Common stock 69422 $0.62 282,904.0000 130,483,838 32.52% 0.05%
March 12, 2026 Amprius Technologies, Inc. $AMPX Chu Steven Director S Common stock 100000 $18.65 182,904.0000 130,483,838 35.35% 0.08%
June 13, 2025 Amprius Technologies, Inc. $AMPX Chu Steven Director A Common stock 44444 $0.00 189,839.0000 117,926,808 30.57% 0.04%
Oct. 23, 2024 Amprius Technologies, Inc. $AMPX Chu Steven Director A Stock Option (right to buy) 173554 $0.00 173,554.0000 0 9999.99% 0.00%
Oct. 23, 2024 Amprius Technologies, Inc. $AMPX Chu Steven Director A Stock Option (right to buy) 173554 $0.00 173,554.0000 0 9999.99% 0.00%
June 7, 2024 Amprius Technologies, Inc. $AMPX Chu Steven Director A Common stock 125000 $0.00 145,395.0000 0 612.90% 0.00%