Sun Kang bought AMPX
January 16, 2026 · Form 4 insider transaction
Sun Kang bought 850,338 shares of Amprius Technologies, Inc. at $2.50 per share, a transaction worth $2.13M. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Acquired (buy-side)
Shares
850,338
Price
$2.50
Total value
$2.13M
InsiderSun Kang
Role—
SecurityCommon stock
Transaction codeM: Option exercise
Transaction dateJanuary 16, 2026
Filing dateJanuary 20, 2026
Shares owned after2,253,989
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
The exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 18, 2025.; Includes 1,285,576 restricted stock units, each of which represents a contingent right to receive one share of the issuer's common stock, subject to the applicable vesting schedule and conditions of each restricted stock unit.