Stocks · Technology · Miscellaneous Electrical Machinery, Equipment & Supplies

Amprius Technologies, Inc.

AMPX Clue Score50
United States Fiscal year ends December CIK 0001899287 Results filed 4 Aug 2026

What the insiders did No buying or selling

By person

11 insiders · 0 transactions
19.3×

Thomas M. Stepien holds 19.3 times base salary in stock. $6.18M of shares against $319.71K in salary for 2025.

Salary from the company's own proxy. The shares are what Thomas M. Stepien last reported holding, valued at $10.03, the price Common stock was last bought or sold at on the open market here, on 24 Aug 2026.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Jonathan Bornstein
President of Amprius Lab
—
—
—
1,463,618
$14.68M
−10.8%
Kang Sun
Director
—
—
—
1,274,803
$12.79M
−5.6%
Sandra Wallach
Chief Financial Officer
—
—
—
1,005,275
$10.08M
+40.9%
Constantin Ionel Stefan
Chief Technology Officer
—
—
—
771,629
$7.74M
+75.7%
Donald R Dixon
Director
—
—
—
639,459
$6.41M
−12.1%
Thomas M Stepien
Chief Executive Officer
—
—
—
616,010
$6.18M
+6,060%
Ricardo C. Rodriguez
Chief Financial Officer
—
—
—
350,000
$3.51M
—
Livingston Satterthwaite
Director
—
—
—
346,506
$3.48M
+18.8%
Kathleen A Bayless
Director
—
—
—
216,120
$2.17M
+34.0%
Steven Chu
Director
—
—
—
137,762
$1.38M
−5.2%
Wen Hsuan HSIEH
Director
—
—
—
44,444
$445.77K
−68.9%

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.