Insider Transactions

What Amprius Technologies, Inc.'s executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.

Insider trades

	3 months	12 months
Open-market buys	0	0
Sells	6	37
Total trades	15	81

Shares traded

	3 months	12 months
Acquired	42,038	6,157,547
Disposed	263,657	6,455,259
Net activity	−221,619	−297,712

See the story behind these numbers

View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.

Open-market buyer Disclosed 10b5-1 Heavy discretionary Sign up free

All transactions

All Buys Sells

Insider	Relation	Date	Transaction	Shares	Price	Value	Shares held
Stepien Thomas M	Chief Executive Officer	Aug 25	Grant / award · A	+346	—	—	37,260
Stepien Thomas M	Chief Executive Officer	Aug 25	Gift · G	−346	—	—	578,750
Stepien Thomas M	Chief Executive Officer	Aug 25	Gift · G	−5,000	—	—	579,096
Stepien Thomas M	Chief Executive Officer	Aug 25	Gift · G	−5,000	—	—	584,096
Stepien Thomas M	Chief Executive Officer	Aug 25	Gift · G	−5,000	—	—	589,096
Stepien Thomas M	Chief Executive Officer	Aug 24	Open-market sale · S	−8,000	$10.03	−$80.2K	594,096
Stefan Constantin Ionel	Chief Technology Officer	Aug 21	Open-market sale · S	−29,681	$10.34	−$307K	771,629
Sun Kang	Director	Aug 21	Open-market sale · S	−62,101	$10.34	−$642K	1,218,397
Stepien Thomas M	Chief Executive Officer	Aug 21	Open-market sale · S	−23,529	$10.34	−$243K	602,096
Dixon Donald R	Director	Jun 15	Open-market sale · S	−85,000	$17.17	−$1.46M	359,380
Dixon Donald R	Director	Jun 12	Grant / award · A	+10,423	—	—	280,079
Bayless Kathleen A	Director	Jun 12	Grant / award · A	+10,423	—	—	216,120
Chu Steven	Director	Jun 12	Grant / award · A	+10,423	—	—	137,762
Satterthwaite Livingston	Director	Jun 12	Grant / award · A	+10,423	—	—	346,506
Dixon Donald R	Director	Jun 09	Open-market sale · S	−40,000	$19.13	−$765K	444,380
Stepien Thomas M	Chief Executive Officer	Jun 04	Open-market sale · S	−2,000	$20.97	−$41.9K	625,625
Stepien Thomas M	Chief Executive Officer	Jun 04	Gift · G	+36,914	—	—	36,914
Stepien Thomas M	Chief Executive Officer	Jun 04	Gift · G	−36,914	—	—	627,625
Stepien Thomas M	Chief Executive Officer	Jun 04	Gift · G	−30,384	—	—	664,539
Sun Kang	Director	May 27	Open-market sale · S	−356	$17.19	−$6.12K	1,280,498

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