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AMPX

Amprius Technologies, Inc.

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Tapewire entity
4742
SEC CIK
0001899287
Parsed reports
152

Last 12 months

Inside the activity.

0 purchase rows · 37 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202503
Dec 202501
Jan 202607
Feb 202602
Mar 202608
Apr 202602
May 202607
Jun 202603
Jul 202600
Aug 202604
Sep 202600
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 14, 2022 Filed Sep 16, 2022 23:01 UTC ConversionClass B Ordinary Shares · Derivative 9,857,142 $0.00 $0.00
Disclosure

SEC source: 0000899243-22-031386 · doc4.xml · derivative · entry 7

MIRRO JUSTIN E · CIK 0001641982 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 9,857,142 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Upon completion of the Issuer's business combination transaction, the Issuer's Class B Ordinary Shares converted into shares of Common Stock of the Issuer. At the time the Class B shares were issued, the Issuer was a Cayman Islands exempted company incorporated with limited liability named "Kensington Capital Acquisition Corp. IV." In connection with a business combination transaction, the Issuer became a Delaware corporation and changed its name to "Amprius Technologies, Inc."

F1 · derivative.exercise_date: Upon completion of the Issuer's business combination transaction, the Issuer's Class B Ordinary Shares converted into shares of Common Stock of the Issuer. At the time the Class B shares were issued, the Issuer was a Cayman Islands exempted company incorporated with limited liability named "Kensington Capital Acquisition Corp. IV." In connection with a business combination transaction, the Issuer became a Delaware corporation and changed its name to "Amprius Technologies, Inc."

F1 · derivative.expiration_date: Upon completion of the Issuer's business combination transaction, the Issuer's Class B Ordinary Shares converted into shares of Common Stock of the Issuer. At the time the Class B shares were issued, the Issuer was a Cayman Islands exempted company incorporated with limited liability named "Kensington Capital Acquisition Corp. IV." In connection with a business combination transaction, the Issuer became a Delaware corporation and changed its name to "Amprius Technologies, Inc."

F2 · ownership.nature: Prior to the liquidating distribution described in the note 3 below, the securities were owned by Kensington Capital Sponsor IV LLC (the "Sponsor"). The Reporting Person is the managing member of the managing member of the Sponsor.

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September 14, 2022 Filed Sep 16, 2022 23:01 UTC OtherCommon Stock 1,000,000 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-22-031386 · doc4.xml · nonDerivative · entry 6

MIRRO JUSTIN E · CIK 0001641982 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,000,000

F3 · kind: The securities were distributed in-kind, pro-rata and for no additional consideration to the members of the Sponsor in connection with its liquidating distribution.

F3 · price: The securities were distributed in-kind, pro-rata and for no additional consideration to the members of the Sponsor in connection with its liquidating distribution.

F7 · ownership.nature: 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.

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September 14, 2022 Filed Sep 16, 2022 23:01 UTC OtherCommon Stock 1,000,000 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-22-031386 · doc4.xml · nonDerivative · entry 5

MIRRO JUSTIN E · CIK 0001641982 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,000,000

F3 · kind: The securities were distributed in-kind, pro-rata and for no additional consideration to the members of the Sponsor in connection with its liquidating distribution.

F3 · price: The securities were distributed in-kind, pro-rata and for no additional consideration to the members of the Sponsor in connection with its liquidating distribution.

F6 · ownership.nature: The shares are owned by the Reporting Person as trustee of the Justin E. Mirro 2020 Qualified Annuity Trust dated 6/27/20. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

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September 14, 2022 Filed Sep 16, 2022 23:01 UTC GrantCommon Stock 111,000 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-22-031386 · doc4.xml · nonDerivative · entry 4

MIRRO JUSTIN E · CIK 0001641982 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,608,142

F5 · price: Acquired in a PIPE transaction that closed concurrently with the closing of the Issuer's business combination transaction on September 14, 2022. In the PIPE transaction, the Reporting Person acquired 111,000 shares of Common Stock and 111,000 PIPE Warrants (described in Table II) for an aggregate purchase price of $1,110,000.

F4 · ownership.nature: 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.

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September 14, 2022 Filed Sep 16, 2022 23:01 UTC OtherCommon Stock 2,497,142 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-22-031386 · doc4.xml · nonDerivative · entry 3

MIRRO JUSTIN E · CIK 0001641982 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,497,142

F3 · kind: The securities were distributed in-kind, pro-rata and for no additional consideration to the members of the Sponsor in connection with its liquidating distribution.

F3 · price: The securities were distributed in-kind, pro-rata and for no additional consideration to the members of the Sponsor in connection with its liquidating distribution.

F4 · ownership.nature: 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.

Read SEC document
September 14, 2022 Filed Sep 16, 2022 23:01 UTC OtherCommon Stock 13,124,642 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-22-031386 · doc4.xml · nonDerivative · entry 2

MIRRO JUSTIN E · CIK 0001641982 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F3 · kind: The securities were distributed in-kind, pro-rata and for no additional consideration to the members of the Sponsor in connection with its liquidating distribution.

F3 · price: The securities were distributed in-kind, pro-rata and for no additional consideration to the members of the Sponsor in connection with its liquidating distribution.

F2 · ownership.nature: Prior to the liquidating distribution described in the note 3 below, the securities were owned by Kensington Capital Sponsor IV LLC (the "Sponsor"). The Reporting Person is the managing member of the managing member of the Sponsor.

Read SEC document
September 14, 2022 Filed Sep 16, 2022 23:01 UTC ConversionCommon Stock 9,857,142 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-22-031386 · doc4.xml · nonDerivative · entry 1

MIRRO JUSTIN E · CIK 0001641982 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 13,124,642

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Upon completion of the Issuer's business combination transaction, the Issuer's Class B Ordinary Shares converted into shares of Common Stock of the Issuer. At the time the Class B shares were issued, the Issuer was a Cayman Islands exempted company incorporated with limited liability named "Kensington Capital Acquisition Corp. IV." In connection with a business combination transaction, the Issuer became a Delaware corporation and changed its name to "Amprius Technologies, Inc."

F2 · ownership.nature: Prior to the liquidating distribution described in the note 3 below, the securities were owned by Kensington Capital Sponsor IV LLC (the "Sponsor"). The Reporting Person is the managing member of the managing member of the Sponsor.

Read SEC document
September 14, 2022 Filed Sep 16, 2022 23:23 UTC
Sun KangDirector · See Remarks
GrantStock Option (right to buy) · Derivative 545,962 Not disclosed Strike: $2.61 Not disclosed
Disclosure

SEC source: 0000899243-22-031399 · doc4.xml · derivative · entry 4

Sun Kang · CIK 0001476220 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 545,962

Underlying: Common Stock · 545,962 shares

Expires 2032-04-13

F1 · price: On September 14, 2022, the Issuer completed a business combination (the "Business Combination") pursuant to the Business Combination Agreement, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Amprius Technologies Operating, Inc. ("Legacy Amprius"). At the effective time of the Business Combination (the "Effective Time"), each Legacy Amprius option was converted into an option to purchase a number of shares of Common Stock of the Issuer equal to the product (rounded down to the nearest whole number) of (i) the number of shares of Legacy Amprius common stock subject to the Legacy Amprius option immediately prior to the Effective Time multiplied by (ii) an exchange ratio of approximately 1.45590 (the "Exchange Ratio"), at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Legacy Amprius option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

F4 · derivative.exercise_date: 1/48 of the total number of shares issuable upon exercise of the option will vest on February 1, 2023, and 1/48 of the total number of shares issuable upon exercise of the option vest monthly thereafter until fully vested on January 1, 2027.

Read SEC document
September 14, 2022 Filed Sep 16, 2022 23:23 UTC
Sun KangDirector · See Remarks
GrantStock Option (right to buy) · Derivative 727,950 Not disclosed Strike: $2.61 Not disclosed
Disclosure

SEC source: 0000899243-22-031399 · doc4.xml · derivative · entry 3

Sun Kang · CIK 0001476220 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 727,950

Underlying: Common Stock · 727,950 shares

Expires 2032-04-13

F1 · price: On September 14, 2022, the Issuer completed a business combination (the "Business Combination") pursuant to the Business Combination Agreement, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Amprius Technologies Operating, Inc. ("Legacy Amprius"). At the effective time of the Business Combination (the "Effective Time"), each Legacy Amprius option was converted into an option to purchase a number of shares of Common Stock of the Issuer equal to the product (rounded down to the nearest whole number) of (i) the number of shares of Legacy Amprius common stock subject to the Legacy Amprius option immediately prior to the Effective Time multiplied by (ii) an exchange ratio of approximately 1.45590 (the "Exchange Ratio"), at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Legacy Amprius option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

F3 · derivative.exercise_date: 1/48 of the total number of shares issuable upon exercise of the option vested on February 1, 2022, and 1/48 of the total number of shares issuable upon exercise of the option vest monthly thereafter until fully vested on January 1, 2026.

Read SEC document
September 14, 2022 Filed Sep 16, 2022 23:23 UTC
Sun KangDirector · See Remarks
GrantStock Option (right to buy) · Derivative 1,455,901 Not disclosed Strike: $1.78 Not disclosed
Disclosure

SEC source: 0000899243-22-031399 · doc4.xml · derivative · entry 2

Sun Kang · CIK 0001476220 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,455,901

Underlying: Common Stock · 1,455,901 shares

Expires 2031-06-16

F1 · price: On September 14, 2022, the Issuer completed a business combination (the "Business Combination") pursuant to the Business Combination Agreement, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Amprius Technologies Operating, Inc. ("Legacy Amprius"). At the effective time of the Business Combination (the "Effective Time"), each Legacy Amprius option was converted into an option to purchase a number of shares of Common Stock of the Issuer equal to the product (rounded down to the nearest whole number) of (i) the number of shares of Legacy Amprius common stock subject to the Legacy Amprius option immediately prior to the Effective Time multiplied by (ii) an exchange ratio of approximately 1.45590 (the "Exchange Ratio"), at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Legacy Amprius option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

F2 · derivative.exercise_date: 1/48 of the total number of shares issuable upon exercise of the option vested on July 17, 2021, and 1/48 of the total number of shares issuable upon exercise of the option vest monthly thereafter until fully vested on June 17, 2025.

Read SEC document
September 14, 2022 Filed Sep 16, 2022 23:23 UTC
Sun KangDirector · See Remarks
GrantStock Option (right to buy) · Derivative 727,950 Not disclosed Strike: $0.05 Not disclosed
Disclosure

SEC source: 0000899243-22-031399 · doc4.xml · derivative · entry 1

Sun Kang · CIK 0001476220 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 727,950

Underlying: Common Stock · 727,950 shares

Expires 2024-03-15

F1 · price: On September 14, 2022, the Issuer completed a business combination (the "Business Combination") pursuant to the Business Combination Agreement, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Amprius Technologies Operating, Inc. ("Legacy Amprius"). At the effective time of the Business Combination (the "Effective Time"), each Legacy Amprius option was converted into an option to purchase a number of shares of Common Stock of the Issuer equal to the product (rounded down to the nearest whole number) of (i) the number of shares of Legacy Amprius common stock subject to the Legacy Amprius option immediately prior to the Effective Time multiplied by (ii) an exchange ratio of approximately 1.45590 (the "Exchange Ratio"), at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Legacy Amprius option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

Read SEC document
September 14, 2022 Filed Sep 16, 2022 23:20 UTC
Chu StevenDirector
GrantStock Option (right to buy) · Derivative 270,251 Not disclosed Strike: $2.61 Not disclosed
Disclosure

SEC source: 0000899243-22-031394 · doc4.xml · derivative · entry 2

Chu Steven · CIK 0001296381 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 270,251

Underlying: Common Stock · 270,251 shares

Expires 2032-04-13

F2 · price: On September 14, 2022, the Issuer completed a business combination (the "Business Combination") pursuant to the Business Combination Agreement, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Amprius Technologies Operating, Inc. ("Legacy Amprius") At the effective time of the Business Combination (the "Effective Time"), each Legacy Amprius option was converted into an option to purchase a number of shares of Common Stock of the Issuer equal to the product (rounded down to the nearest whole number) of (i) the number of shares of Legacy Amprius common stock subject to the Legacy Amprius option immediately prior to the Effective Time multiplied by (ii) an exchange ratio of approximately 1.45590, at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Legacy Amprius option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

F1 · derivative.exercise_date: 1/48 of the total number of shares issuable upon exercise of the option vested on February 1, 2022, and 1/48 of the total number of shares issuable upon exercise of the option vest monthly thereafter until fully vested on January 1, 2026.

Read SEC document
September 14, 2022 Filed Sep 16, 2022 19:21 UTC
Wallach SandraChief Financial Officer
GrantStock Option (right to buy) · Derivative 145,590 Not disclosed Strike: $2.61 Not disclosed
Disclosure

SEC source: 0000899243-22-031395 · doc4.xml · derivative · entry 2

Wallach Sandra · CIK 0001698362 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 145,590

Underlying: Common Stock · 145,590 shares

Expires 2032-04-13

F2 · price: On September 14, 2022, the Issuer completed a business combination (the "Business Combination") pursuant to the Business Combination Agreement, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Amprius Technologies Operating, Inc. ("Legacy Amprius") At the effective time of the Business Combination (the "Effective Time"), each Legacy Amprius option was converted into an option to purchase a number of shares of Common Stock of the Issuer equal to the product (rounded down to the nearest whole number) of (i) the number of shares of Legacy Amprius common stock subject to the Legacy Amprius option immediately prior to the Effective Time multiplied by (ii) an exchange ratio of approximately 1.45590, at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Legacy Amprius option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

F3 · derivative.exercise_date: 1/48 of the total number of shares issuable upon exercise of the option vested on February 1, 2023, and 1/48 of the total number of shares issuable upon exercise of the option vest monthly thereafter until fully vested on January 1, 2027.

Read SEC document
September 14, 2022 Filed Sep 16, 2022 19:21 UTC
Wallach SandraChief Financial Officer
GrantStock Option (right to buy) · Derivative 582,360 Not disclosed Strike: $1.78 Not disclosed
Disclosure

SEC source: 0000899243-22-031395 · doc4.xml · derivative · entry 1

Wallach Sandra · CIK 0001698362 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 582,360

Underlying: Common Stock · 582,360 shares

Expires 2031-08-22

F2 · price: On September 14, 2022, the Issuer completed a business combination (the "Business Combination") pursuant to the Business Combination Agreement, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Amprius Technologies Operating, Inc. ("Legacy Amprius") At the effective time of the Business Combination (the "Effective Time"), each Legacy Amprius option was converted into an option to purchase a number of shares of Common Stock of the Issuer equal to the product (rounded down to the nearest whole number) of (i) the number of shares of Legacy Amprius common stock subject to the Legacy Amprius option immediately prior to the Effective Time multiplied by (ii) an exchange ratio of approximately 1.45590, at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Legacy Amprius option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

F1 · derivative.exercise_date: 1/4 of the total number of shares issuable upon exercise of the option vested on July 26, 2022, and 1/48 of the total number of shares issuable upon exercise of the option vest monthly thereafter until fully vested on July 26, 2025.

Read SEC document
September 14, 2022 Filed Sep 16, 2022 23:29 UTC GrantStock Option (right to buy) · Derivative 270,251 Not disclosed Strike: $2.61 Not disclosed
Disclosure

SEC source: 0000899243-22-031402 · doc4.xml · derivative · entry 2

HSIEH Wen Hsuan · CIK 0001835160 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 270,251

Underlying: Common Stock · 270,251 shares

Expires 2032-04-13

F3 · price: On September 14, 2022, the Issuer completed a business combination (the "Business Combination") pursuant to the Business Combination Agreement, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Amprius Technologies Operating, Inc. ("Legacy Amprius") At the effective time of the Business Combination (the "Effective Time"), each Legacy Amprius option was converted into an option to purchase a number of shares of Common Stock of the Issuer equal to the product (rounded down to the nearest whole number) of (i) the number of shares of Legacy Amprius common stock subject to the Legacy Amprius option immediately prior to the Effective Time multiplied by (ii) an exchange ratio of approximately 1.45590, at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Legacy Amprius option immediately prior to the Effective Time divided by (B) the Exchange Ratio.

F2 · derivative.exercise_date: 1/48 of the total number of shares issuable upon exercise of the option vested on February 1, 2022, and 1/48 of the total number of shares issuable upon exercise of the option vest monthly thereafter until fully vested on January 1, 2026.

Read SEC document
September 14, 2022 Filed Sep 16, 2022 23:20 UTC
Bornstein JonathanChief Operating Officer
GrantStock Option (right to buy) · Derivative 545,962 Not disclosed Strike: $2.61 Not disclosed
Disclosure

SEC source: 0000899243-22-031393 · doc4.xml · derivative · entry 2

Bornstein Jonathan · CIK 0001942459 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 545,962

Underlying: Common Stock · 545,962 shares

Expires 2032-04-12

F1 · price: On September 14, 2022, the Issuer completed a business combination (the "Business Combination") pursuant to the Business Combination Agreement, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Amprius Technologies Operating, Inc. ("Legacy Amprius") At the effective time of the Business Combination (the "Effective Time"), each Legacy Amprius option was converted into an option to purchase a number of shares of Common Stock of the Issuer equal to the product (rounded down to the nearest whole number) of (i) the number of shares of Legacy Amprius common stock subject to the Legacy Amprius option immediately prior to the Effective Time multiplied by (ii) an exchange ratio of approximately 1.45590, at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Legacy Amprius option immediately prior to the Effective Time divided by (B) the Exchange Ratio

F2 · derivative.exercise_date: 1/48 of the total number of shares issuable upon exercise of the option vested on February 1, 2023, and 1/48 of the total number of shares issuable upon exercise of the option vest monthly thereafter until fully vested on January 1, 2027.

Read SEC document
September 14, 2022 Filed Sep 16, 2022 23:20 UTC
Bornstein JonathanChief Operating Officer
GrantStock Option (right to buy) · Derivative 2,183,851 Not disclosed Strike: $0.05 Not disclosed
Disclosure

SEC source: 0000899243-22-031393 · doc4.xml · derivative · entry 1

Bornstein Jonathan · CIK 0001942459 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,183,851

Underlying: Common Stock · 2,183,851 shares

Expires 2024-03-15

F1 · price: On September 14, 2022, the Issuer completed a business combination (the "Business Combination") pursuant to the Business Combination Agreement, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Amprius Technologies Operating, Inc. ("Legacy Amprius") At the effective time of the Business Combination (the "Effective Time"), each Legacy Amprius option was converted into an option to purchase a number of shares of Common Stock of the Issuer equal to the product (rounded down to the nearest whole number) of (i) the number of shares of Legacy Amprius common stock subject to the Legacy Amprius option immediately prior to the Effective Time multiplied by (ii) an exchange ratio of approximately 1.45590, at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Legacy Amprius option immediately prior to the Effective Time divided by (B) the Exchange Ratio

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.