Chu Steven
CIK: 0001296381
Primary company: Amprius Technologies, Inc. (AMPX)
Chu Steven is a corporate insider at Amprius Technologies, Inc. (AMPX) filing SEC Form 4 transactions. 15 transactions across 3 companies. Source: SEC EDGAR.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
| Award | 10,423 | - | - | 137,762 | 6/12/2026 Filed: 6/12/2026 | Filing → | |
| Exercise | 69,422 | $0.62 | $43K | 0 | 3/12/2026 Filed: 3/10/2026 | Filing → | |
| Exercise | 86,143 | $2.61 | $225K | 184,108 | 3/12/2026 Filed: 3/10/2026 | Filing → | |
| Sale | 5,565 | $18.53 | $103K | 127,339 | 3/12/2026 Filed: 3/10/2026 | Filing → | |
| Sale | 50,000 | $18.21 | $911K | 132,904 | 3/12/2026 Filed: 3/10/2026 | Filing → | |
| Sale | 100,000 | $18.65 | $1.86M | 182,904 | 3/12/2026 Filed: 3/10/2026 | Filing → | |
| Exercise | 69,422 | $0.62 | $43K | 282,904 | 3/12/2026 Filed: 3/10/2026 | Filing → | |
| Exercise | 86,143 | $2.61 | $225K | 213,482 | 3/12/2026 Filed: 3/10/2026 | Filing → | |
| Exercise | 104,132 | $0.62 | $65K | 69,422 | 3/10/2026 Filed: 3/10/2026 | Filing → | |
| Sale | 166,632 | $17.92 | $2.99M | 127,339 | 3/10/2026 Filed: 3/10/2026 | Filing → | |
| Exercise | 104,132 | $0.62 | $65K | 293,971 | 3/10/2026 Filed: 3/10/2026 | Filing → | |
| Award | 44,444 | - | - | 189,839 | 6/13/2025 Filed: 6/17/2025 | Filing → | |
| Award | 173,554 | - | - | 173,554 | 10/23/2024 Filed: 10/25/2024 | Filing → | |
| Award | 173,554 | - | - | 173,554 | 10/23/2024 Filed: 10/25/2024 | Filing → | |
| Award | 125,000 | - | - | 145,395 | 6/7/2024 Filed: 6/7/2024 | Filing → | |
| Award | 17,895 | $0.00 | $0 | 20,395 | 6/9/2023 Filed: 6/12/2023 | Filing → | |
Zymergen Inc. ZY | Disposition | 132,333 | $0.00 | $0 | 0 | 10/19/2022 Filed: 10/19/2022 | Filing → |
Zymergen Inc. ZY | Disposition | 33,333 | $0.00 | $0 | 0 | 10/19/2022 Filed: 10/19/2022 | Filing → |
Zymergen Inc. ZY | Disposition | 50,000 | - | - | 0 | 10/19/2022 Filed: 10/19/2022 | Filing → |
| Award | 270,251 | - | - | 270,251 | 9/14/2022 Filed: 9/16/2022 | Filing → |
Type
Award
Shares
10,423
Price
-
Value
-
Type
Exercise
Shares
69,422
Price
$0.62
Value
$43K
Type
Exercise
Shares
86,143
Price
$2.61
Value
$225K
Type
Sale
Shares
5,565
Price
$18.53
Value
$103K
Type
Sale
Shares
50,000
Price
$18.21
Value
$911K
Type
Sale
Shares
100,000
Price
$18.65
Value
$1.86M
Type
Exercise
Shares
69,422
Price
$0.62
Value
$43K
Type
Exercise
Shares
86,143
Price
$2.61
Value
$225K
Type
Exercise
Shares
104,132
Price
$0.62
Value
$65K
Type
Sale
Shares
166,632
Price
$17.92
Value
$2.99M
Type
Exercise
Shares
104,132
Price
$0.62
Value
$65K
Type
Award
Shares
44,444
Price
-
Value
-
Type
Award
Shares
173,554
Price
-
Value
-
Type
Award
Shares
173,554
Price
-
Value
-
Type
Award
Shares
125,000
Price
-
Value
-
Type
Award
Shares
17,895
Price
$0.00
Value
$0
Zymergen Inc.
ZY
Type
Disposition
Shares
132,333
Price
$0.00
Value
$0
Zymergen Inc.
ZY
Type
Disposition
Shares
33,333
Price
$0.00
Value
$0
Zymergen Inc.
ZY
Type
Disposition
Shares
50,000
Price
-
Value
-
Type
Award
Shares
270,251
Price
-
Value
-
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