Sun Kang, a director at Amprius Technologies, Inc. ($AMPX), sold shares on the open market eight times over the past year, totaling $28.6 million. His most recent sale occurred on February 23, 2026. These transactions rank him 495th among 11,678 insiders in our database by total sales value, above the average of $8.6 million per insider and 6.4 transactions. Sun Kang made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 1, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | M | Common stock | 1312505 | $1.78 | 2,711,311.0000 | 130,483,838 | 93.83% | 1.01% |
| April 1, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | M | Stock Option (right to buy) | 187495 | $3.68 | 1,787,007.0000 | 130,483,838 | 9.50% | 0.14% |
| April 1, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | M | Stock Option (right to buy) | 1312505 | $1.78 | 0.0000 | 130,483,838 | 100.00% | 1.01% |
| April 1, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | S | Common stock | 249037 | $16.78 | 1,398,806.0000 | 130,483,838 | 15.11% | 0.19% |
| April 1, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | S | Common stock | 1250963 | $15.73 | 1,647,843.0000 | 130,483,838 | 43.15% | 0.96% |
| April 1, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | M | Common stock | 187495 | $3.68 | 2,898,806.0000 | 130,483,838 | 6.92% | 0.14% |
| March 23, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | S | Common stock | 152823 | $18.69 | 1,463,852.0000 | 130,483,838 | 9.45% | 0.12% |
| March 23, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | S | Common stock | 65046 | $19.06 | 1,398,806.0000 | 130,483,838 | 4.44% | 0.05% |
| Feb. 23, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | S | Common stock | 61251 | $10.16 | 1,616,675.0000 | 130,483,838 | 3.65% | 0.05% |
| Jan. 16, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | M | Stock Option (right to buy) | 100210 | $0.00 | 1,355,690.0000 | 130,483,838 | 6.88% | 0.08% |
| Jan. 16, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | M | Stock Option (right to buy) | 850338 | $0.00 | 0.0000 | 130,483,838 | 100.00% | 0.65% |
| Jan. 20, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | S | Common stock | 43185 | $11.03 | 1,677,926.0000 | 130,483,838 | 2.51% | 0.03% |
| Jan. 20, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | M | Common stock | 43185 | $1.78 | 1,721,111.0000 | 130,483,838 | 2.57% | 0.03% |
| Jan. 16, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | S | Common stock | 950548 | $11.07 | 1,677,926.0000 | 130,483,838 | 36.16% | 0.73% |
| Jan. 16, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | M | Common stock | 100210 | $1.78 | 2,628,474.0000 | 130,483,838 | 3.96% | 0.08% |
| Jan. 16, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | M | Common stock | 850338 | $2.50 | 2,528,264.0000 | 130,483,838 | 50.68% | 0.65% |
| Jan. 20, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | M | Stock Option (right to buy) | 43185 | $0.00 | 1,312,505.0000 | 130,483,838 | 3.19% | 0.03% |
| Jan. 12, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | M | Stock Option (right to buy) | 208264 | $0.00 | 0.0000 | 130,483,838 | 100.00% | 0.16% |
| Jan. 12, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | M | Stock Option (right to buy) | 180802 | $0.00 | 0.0000 | 130,483,838 | 100.00% | 0.14% |
| Jan. 12, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | S | Common stock | 506267 | $10.10 | 1,677,926.0000 | 130,483,838 | 23.18% | 0.39% |
| Jan. 12, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | M | Common stock | 117201 | $2.50 | 2,184,193.0000 | 130,483,838 | 5.67% | 0.09% |
| Jan. 12, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | M | Common stock | 208264 | $2.44 | 2,066,992.0000 | 130,483,838 | 11.20% | 0.16% |
| Jan. 12, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | M | Common stock | 180802 | $0.62 | 1,858,728.0000 | 130,483,838 | 10.78% | 0.14% |
| Jan. 12, 2026 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Director | M | Stock Option (right to buy) | 117201 | $0.00 | 850,338.0000 | 130,483,838 | 12.11% | 0.09% |
| Nov. 21, 2025 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | S | Common stock | 68655 | $10.08 | 1,677,926.0000 | 130,483,838 | 3.93% | 0.05% |
| Nov. 17, 2025 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | M | Common stock | 202934 | $0.98 | 1,949,515.0000 | 130,483,838 | 11.62% | 0.16% |
| Nov. 17, 2025 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | M | Stock Option (right to buy) | 41653 | $0.00 | 0.0000 | 130,483,838 | 100.00% | 0.03% |
| Nov. 17, 2025 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | M | Stock Option (right to buy) | 27463 | $0.00 | 180,802.0000 | 130,483,838 | 13.19% | 0.02% |
| Nov. 17, 2025 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | M | Stock Option (right to buy) | 727950 | $0.00 | 0.0000 | 130,483,838 | 100.00% | 0.56% |
| Nov. 17, 2025 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | M | Stock Option (right to buy) | 202934 | $0.00 | 0.0000 | 130,483,838 | 100.00% | 0.16% |
| Nov. 17, 2025 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | S | Common stock | 1000000 | $10.60 | 1,746,581.0000 | 130,483,838 | 36.41% | 0.77% |
| Nov. 17, 2025 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | M | Common stock | 41653 | $0.62 | 2,746,581.0000 | 130,483,838 | 1.54% | 0.03% |
| Nov. 17, 2025 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | M | Common stock | 27463 | $0.62 | 2,704,928.0000 | 130,483,838 | 1.03% | 0.02% |
| Nov. 17, 2025 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | M | Common stock | 727950 | $0.05 | 2,677,465.0000 | 130,483,838 | 37.34% | 0.56% |
| Aug. 21, 2025 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | S | Common stock | 65654 | $6.82 | 1,746,581.0000 | 117,926,808 | 3.62% | 0.06% |
| May 21, 2025 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | S | Common stock | 69786 | $2.43 | 1,812,235.0000 | 117,926,808 | 3.71% | 0.06% |
| March 19, 2025 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | A | Common stock | 599400 | $0.00 | 1,882,021.0000 | 117,926,808 | 46.73% | 0.51% |
| Feb. 21, 2025 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | S | Common stock | 34353 | $3.13 | 1,282,621.0000 | 0 | 2.61% | 0.00% |
| Nov. 21, 2024 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | S | Common stock | 33779 | $1.96 | 1,316,974.0000 | 0 | 2.50% | 0.00% |
| Oct. 23, 2024 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | A | Stock Option (right to buy) | 1974502 | $0.00 | 1,974,502.0000 | 0 | 9999.99% | 0.00% |
| Oct. 23, 2024 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | A | Stock Option (right to buy) | 1171476 | $0.00 | 1,171,476.0000 | 0 | 9999.99% | 0.00% |
| Oct. 23, 2024 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | A | Stock Option (right to buy) | 202934 | $0.00 | 202,934.0000 | 0 | 9999.99% | 0.00% |
| Oct. 23, 2024 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | A | Stock Option (right to buy) | 41653 | $0.00 | 41,653.0000 | 0 | 9999.99% | 0.00% |
| Oct. 23, 2024 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | A | Stock Option (right to buy) | 208264 | $0.00 | 208,264.0000 | 0 | 9999.99% | 0.00% |
| Oct. 23, 2024 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | A | Stock Option (right to buy) | 208265 | $0.00 | 208,265.0000 | 0 | 9999.99% | 0.00% |
| Oct. 23, 2024 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | A | Stock Option (right to buy) | 967539 | $0.00 | 967,539.0000 | 0 | 9999.99% | 0.00% |
| Aug. 21, 2024 | Amprius Technologies, Inc. | $AMPX | Sun Kang | Chief Executive Officer | S | Common stock | 33333 | $1.04 | 1,350,753.0000 | 0 | 2.41% | 0.00% |
| May 22, 2024 | Amprius Technologies, Inc. | $AMPX | Sun Kang | See Remarks | S | Common stock | 15611 | $1.36 | 1,384,086.0000 | 0 | 1.12% | 0.00% |
| May 21, 2024 | Amprius Technologies, Inc. | $AMPX | Sun Kang | See Remarks | S | Common stock | 19973 | $1.33 | 1,399,697.0000 | 0 | 1.41% | 0.00% |
| March 19, 2024 | Amprius Technologies, Inc. | $AMPX | Sun Kang | See Remarks | A | Common stock | 1419670 | $0.00 | 1,419,670.0000 | 0 | 9999.99% | 0.00% |