Key facts
- This page summarizes Justin E. Mirro's Form 4 filing for Amprius Technologies, Inc. (AMPX).
- 6 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 05 Sep 2024, 19:16.
Justin E. Mirro - 03 Sep 2024 Form 4 Insider Report for Amprius Technologies, Inc. (AMPX)
- Reporting relationship
- Director
- Issuer ticker
- AMPX
- Reported as of
- 03 Sep 2024
- Net transaction value
- -$641,850
- SEC form
- 4
- Accepted by SEC
- 05 Sep 2024, 19:16:49 UTC
- Prior SEC filing
- 25 Jul 2024
- Next SEC filing
- 06 Jul 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Sandra Wallach, attorney-in-fact on behalf of Justin Mirro
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Justin E. Mirro filed Form 4 for Amprius Technologies, Inc. (AMPX) on 05 Sep 2024.
Change
- Previous filing in this sequence was filed on 25 Jul 2024.
- Current net transaction value: -$641,850.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
AMPX
transaction
Common stock
Sale
- Transaction value
- $60,054
- Shares
- -60,000
- Change %
- -2.5%
- Price
- $1.00
- Shares after
- 2,333,042
- Date
- 03 Sep 2024
- Ownership
- See footnote
- Footnotes
- F1, F2
AMPX
transaction
Common stock
Sale
- Transaction value
- $74,782
- Shares
- -75,000
- Change %
- -4.7%
- Price
- $0.9971
- Shares after
- 1,510,000
- Date
- 03 Sep 2024
- Ownership
- See footnote
- Footnotes
- F1, F3
AMPX
transaction
Common stock
Sale
- Transaction value
- $140,970
- Shares
- -150,000
- Change %
- -6.4%
- Price
- $0.9398
- Shares after
- 2,183,042
- Date
- 04 Sep 2024
- Ownership
- See footnote
- Footnotes
- F2, F4
AMPX
transaction
Common stock
Sale
- Transaction value
- $164,780
- Shares
- -175,000
- Change %
- -12%
- Price
- $0.9416
- Shares after
- 1,335,000
- Date
- 04 Sep 2024
- Ownership
- See footnote
- Footnotes
- F3, F5
AMPX
transaction
Common stock
Sale
- Transaction value
- $88,550
- Shares
- -110,000
- Change %
- -5%
- Price
- $0.8050
- Shares after
- 2,073,042
- Date
- 05 Sep 2024
- Ownership
- See footnote
- Footnotes
- F2, F6
AMPX
transaction
Common stock
Sale
- Transaction value
- $112,714
- Shares
- -140,000
- Change %
- -10%
- Price
- $0.8051
- Shares after
- 1,195,000
- Date
- 05 Sep 2024
- Ownership
- See footnote
- Footnotes
- F3, F6
AMPX
holding
Common stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 142,895
- Date
- 03 Sep 2024
- Ownership
- Direct
- Footnotes
- F7
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 7 footnotes
Footnote F1
The price reported in Column 4 is a cumulative average price. These shares were sold in multiple transactions at prices ranging from $0.9501 to $1.07, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.
Footnote F2
The securities are owned by Kensington Capital Partners, LLC, of which the reporting person is the managing member. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
Footnote F3
The shares are owned by Elizabeth Mirro as trustee of the Kensington Capital Trust dated 6/27/20. Elizabeth Mirro is the reporting person's spouse. The reporting person disclaims beneficial ownership of these securities.
Footnote F4
The price reported in Column 4 is a cumulative average price. These shares were sold in multiple transactions at prices ranging from $0.9035 to $1.01, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.
Footnote F5
The price reported in Column 4 is a cumulative average price. These shares were sold in multiple transactions at prices ranging from $0.9013 to $0.995, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.
Footnote F6
The price reported in Column 4 is a cumulative average price. These shares were sold in multiple transactions at prices ranging from $0.75 to $0.8999, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.
Footnote F7
Includes 125,000 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.