Amprius Technologies Inc. (AMPX) - Insider Holders & Insider Ownership

List of insiders holdings for Amprius Technologies Inc.:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#Insider Holder NameReport
Date Time
Shares Owned
Directly
Indirectly
Total
Shares Owned
Filing
1Kensington Capital Sponsor IV LLC
Former 10% holder (see ftn 2)
2022-09-23 17:07:518,619,142
0
8,619,142Form 13D
2Amprius Inc.
10% Owner
2024-10-25 19:25:572,500,071
0
2,500,071Form 13D
3MIRRO JUSTIN E
Director
2024-09-05 19:16:49142,895
1,195,000
1,337,895Form 4
4Sun Kang
Director
2026-08-25 17:22:391,218,397
56,406
1,274,803Form 4
5Wallach Sandra
Chief Financial Officer
2025-08-25 20:02:101,005,275
0
1,005,275Form 4
6DIXON DONALD R
Director
2026-06-16 18:00:52280,079
522,522
802,601Form 4
7Stefan Constantin Ionel
Chief Technology Officer
2026-08-25 17:22:08771,629
0
771,629Form 4
8Stepien Thomas M
Chief Executive Officer
2026-08-25 17:21:20578,750
37,260
616,010Form 4
9Bornstein Jonathan
President of Amprius Lab
2025-03-12 17:14:58422,668
0
422,668Form 4
10RODRIGUEZ RICARDO C.
Chief Financial Officer
2026-03-13 18:09:30350,000
0
350,000Form 4/A
11SATTERTHWAITE LIVINGSTON
Director
2026-06-16 18:01:27346,506
0
346,506Form 4
12BAYLESS KATHLEEN A
Director
2026-06-16 18:03:05216,120
0
216,120Form 4
13Gustanski Mary
Director
2024-06-07 20:43:23146,396
0
146,396Form 4
14Chu Steven
Director
2026-06-16 18:00:30137,762
0
137,762Form 4
15HSIEH Wen Hsuan
Director
2026-03-13 18:08:4844,444
0
44,444Form 4
16Simoncini Matthew
Director
2022-03-01 18:57:200
0
0Form 3
17Boag Simon
Chief Technology Officer
2022-03-01 18:48:230
0
0Form 3
18Huber Daniel Elliot
Chief Financial Officer
2022-03-01 18:57:550
0
0Form 3
19QUAIN MITCHELL I
Director
2022-03-01 19:01:490
0
0Form 3
20Zetsche Dieter
Vice Chairman and President
2022-03-01 18:47:210
0
0Form 3
21LaSorda Thomas William
Director
2022-03-16 12:48:290
0
0Form 3
22Nason Nicole
Director
2022-03-01 18:52:410
0
0Form 3
23RUNKLE DONALD L
Director
2022-03-01 19:14:360
0
0Form 3
24Pettersson Anders
Director
2022-03-01 18:53:440
0
0Form 3
25REMENAR ROBERT J
Chief Operating Officer
2022-03-01 18:57:400
0
0Form 3