Mirro Justin E insider trades
Mirro Justin E has filed 20 Form 4s with the SEC that we hold, for Amprius Technologies, Inc. (AMPX) (Director), QuantumScape Corp (QS) (Director) and Cooper-Standard Holdings Inc. (CPS) (Director). Across all of them we count 0 purchases worth $0 and 52 sales worth $27.1M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 263,762 shares of QuantumScape Corp worth $5.8M, dated 2021-09-10. The first filing on our record is dated 2021-08-03 and the latest 2024-09-05.
Amprius Technologies, Inc. (AMPX)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2023-06-14 | S, sale reported on Form 4 | 50,000 | $475.0K | 2023-06-16 |
| 2023-06-15 | S, sale reported on Form 4 | 61,000 | $539.9K | 2023-06-16 |
| 2023-11-28 | S, sale reported on Form 4 | 30,000 | $111.3K | 2023-11-30 |
| 2023-11-28 | S, sale reported on Form 4 | 15,000 | $55.5K | 2023-11-30 |
| 2023-11-29 | S, sale reported on Form 4 | 20,000 | $80.2K | 2023-11-30 |
| 2023-11-29 | S, sale reported on Form 4 | 40,000 | $160.4K | 2023-11-30 |
| 2023-11-30 | S, sale reported on Form 4 | 15,000 | $62.7K | 2023-11-30 |
| 2023-11-30 | S, sale reported on Form 4 | 30,000 | $125.7K | 2023-11-30 |
| 2023-12-05 | S, sale reported on Form 4 | 20,000 | $86.6K | 2023-12-07 |
| 2023-12-05 | S, sale reported on Form 4 | 10,000 | $43.1K | 2023-12-07 |
| 2023-12-06 | S, sale reported on Form 4 | 20,000 | $81.0K | 2023-12-07 |
| 2023-12-06 | S, sale reported on Form 4 | 10,000 | $40.5K | 2023-12-07 |
| 2023-12-07 | S, sale reported on Form 4 | 20,000 | $77.6K | 2023-12-07 |
| 2023-12-07 | S, sale reported on Form 4 | 10,000 | $38.8K | 2023-12-07 |
| 2023-12-12 | S, sale reported on Form 4 | 40,000 | $152.4K | 2023-12-14 |
| 2023-12-12 | S, sale reported on Form 4 | 20,000 | $76.2K | 2023-12-14 |
| 2023-12-13 | S, sale reported on Form 4 | 30,000 | $110.4K | 2023-12-14 |
| 2023-12-13 | S, sale reported on Form 4 | 60,000 | $220.8K | 2023-12-14 |
| 2023-12-14 | S, sale reported on Form 4 | 85,000 | $302.6K | 2023-12-14 |
| 2023-12-14 | S, sale reported on Form 4 | 170,000 | $605.2K | 2023-12-14 |
| 2024-06-12 | S, sale reported on Form 4 | 70,000 | $91.0K | 2024-06-14 |
| 2024-06-12 | S, sale reported on Form 4 | 210,000 | $273.0K | 2024-06-14 |
| 2024-06-13 | S, sale reported on Form 4 | 195,000 | $235.9K | 2024-06-14 |
| 2024-06-13 | S, sale reported on Form 4 | 65,000 | $79.3K | 2024-06-14 |
| 2024-06-14 | S, sale reported on Form 4 | 195,000 | $220.3K | 2024-06-14 |
| 2024-06-14 | S, sale reported on Form 4 | 65,000 | $73.5K | 2024-06-14 |
| 2024-09-03 | S, sale reported on Form 4 | 75,000 | $75.0K | 2024-09-05 |
| 2024-09-03 | S, sale reported on Form 4 | 60,000 | $60.0K | 2024-09-05 |
| 2024-09-04 | S, sale reported on Form 4 | 150,000 | $141.0K | 2024-09-05 |
| 2024-09-04 | S, sale reported on Form 4 | 175,000 | $164.5K | 2024-09-05 |
| 2024-09-05 | S, sale reported on Form 4 | 110,000 | $89.1K | 2024-09-05 |
| 2024-09-05 | S, sale reported on Form 4 | 140,000 | $113.4K | 2024-09-05 |
QuantumScape Corp (QS)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-07-30 | S, sale reported on Form 4 | 48,166 | $1.1M | 2021-08-03 |
| 2021-07-30 | S, sale reported on Form 4 | 189,742 | $4.3M | 2021-08-03 |
| 2021-07-30 | S, sale reported on Form 4 | 10,258 | $240.0K | 2021-08-03 |
| 2021-07-30 | S, sale reported on Form 4 | 2,458 | $57.5K | 2021-08-03 |
| 2021-07-30 | S, sale reported on Form 4 | 1,834 | $43.0K | 2021-08-03 |
| 2021-07-30 | S, sale reported on Form 4 | 47,542 | $1.1M | 2021-08-03 |
| 2021-09-07 | S, sale reported on Form 4 | 20,000 | $443.4K | 2021-09-09 |
| 2021-09-10 | S, sale reported on Form 4 | 263,762 | $5.8M | 2021-09-14 |
| 2021-09-30 | S, sale reported on Form 4 | 186,437 | $4.4M | 2021-10-04 |
| 2021-10-07 | S, sale reported on Form 4 | 20,000 | $459.4K | 2021-10-12 |
| 2021-11-08 | S, sale reported on Form 4 | 3,805 | $122.0K | 2021-11-10 |
| 2021-11-08 | S, sale reported on Form 4 | 10,675 | $355.4K | 2021-11-10 |
| 2021-11-08 | S, sale reported on Form 4 | 6,085 | $208.6K | 2021-11-10 |
| 2021-11-08 | S, sale reported on Form 4 | 5,065 | $193.2K | 2021-11-10 |
| 2021-11-08 | S, sale reported on Form 4 | 5,963 | $216.0K | 2021-11-10 |
| 2021-11-08 | S, sale reported on Form 4 | 13,762 | $516.4K | 2021-11-10 |
| 2021-11-08 | S, sale reported on Form 4 | 4,645 | $163.9K | 2021-11-10 |
| 2021-12-07 | S, sale reported on Form 4 | 50,000 | $1.3M | 2021-12-08 |
| 2022-01-07 | S, sale reported on Form 4 | 46,852 | $985.3K | 2022-01-10 |
| 2022-01-07 | S, sale reported on Form 4 | 3,148 | $68.1K | 2022-01-10 |
Cooper-Standard Holdings Inc. (CPS)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1641982) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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