Amprius Technologies, INC Form 4 insider transactions

Director Kathleen Bayless was granted 10,423 restricted stock units in Amprius Technologies, Inc. as part of a standard equity compensation arrangement.

Director Livingston Satterthwaite was granted 10,423 restricted stock units in Amprius Technologies, Inc.

Director Donald R. Dixon reported the acquisition of restricted stock units and the sale of 85,000 shares of Amprius Technologies common stock.

Amprius Technologies director Steven Chu was granted 10,423 restricted stock units as part of his compensation.

Amprius Technologies director Donald R. Dixon reported the sale of 40,000 shares of common stock at an average price of $19.13.

CEO Thomas Stepien executed a series of stock transfers and a minor sale of Amprius Technologies common stock.

Director Kang Sun sold 356 shares of Amprius Technologies to cover tax obligations related to restricted stock unit vesting.

CEO Thomas M. Stepien sold 4,375 shares of Amprius Technologies to satisfy tax withholding obligations related to RSU vesting.

Chief Technology Officer Constantin Ionel Stefan sold 3,208 shares of Amprius Technologies to cover tax withholding obligations.

Director Donald R. Dixon reported the sale of 17,895 shares of Amprius Technologies common stock.

Amprius Technologies Director Sun Kang reported a transaction involving the sale of common stock to cover tax withholding obligations.

Amprius Technologies Chief Technology Officer, Stefan Constantin Ionel, reported a transaction involving the sale of 28,812 shares of common stock.

Amprius Technologies CEO Thomas M. Stepien reported a transaction involving the sale of common stock to cover tax withholding obligations.

CEO Thomas M. Stepien filed an amendment to his Form 4 to clarify the vesting schedule for 200,000 restricted stock units.

Amprius Technologies Director and 10% owner Kang Sun acquired 6,250 restricted stock units, increasing beneficial ownership to 1,348,650 shares.

Amprius Technologies Director Sun Kang executed trades involving stock options and common stock as part of a pre-arranged Rule 10b5-1 trading plan.

Amprius Technologies Director and 10% owner Kang Sun reported the sale of 217,869 common shares totaling approximately $4.1 million through a pre-arranged Rule 10b5-1 trading plan.

Amprius Technologies' CFO, Ricardo C. Rodriguez, filed an amended Form 4 to correct the vesting schedule for 150,000 restricted stock units.

Amprius Technologies Director Wen Hsuan Hsieh exercised stock options and subsequently sold a significant number of common shares.

Amprius Technologies Director Steven Chu executed significant sales of common stock in March 2026, following option exercises, under a pre-arranged 10b5-1 plan.

Amprius Technologies' CFO, Ricardo C. Rodriguez, was granted 150,000 restricted stock units, aligning executive incentives with long-term company performance.

Amprius Technologies CEO Thomas Stepien received an award of 150,000 restricted stock units, vesting quarterly through February 2030.

Amprius Technologies' Chief Technology Officer, Stefan Constantin Ionel, was granted 110,000 restricted stock units, vesting quarterly through February 2030.

Amprius Technologies Director Kang Sun sold 61,251 shares of common stock to cover tax withholding obligations related to restricted stock unit vesting.

Amprius Technologies' Chief Technology Officer, Stefan Constantin Ionel, sold 25,366 shares of common stock to cover tax withholding obligations related to restricted stock unit vesting.

Amprius Technologies' Chief Technology Officer, Stefan Constantin Ionel, exercised stock options and subsequently sold 39,690 shares of common stock for approximately $476,350 under a pre-arranged 10b5-1 trading plan.

Amprius Technologies' Chief Technology Officer, Stefan Constantin Ionel, executed planned sales of common stock and exercised options totaling over $6.7 million.

Amprius Technologies Director Kang Sun executed pre-planned option exercises and subsequent sales of common stock in January 2026.

Amprius Technologies Director Kang Sun exercised stock options and subsequently sold over 500,000 shares of common stock under a pre-arranged 10b5-1 trading plan.

Amprius Technologies President Thomas M. Stepien was granted 200,000 restricted stock units, vesting over several years.