Chu Steven

CIK 00012963813 companiesFREMONT, CA

SEC Profile

Transactions

Companies

Filings

CIK

0001296381

Recent Transactions

22 trades

Exercise/Conversion
Amprius Technologies, Inc.$AMPX
Common stock
2026-03-12$0.62/sh+69,422→ 282,904 total
Exercise/Conversion
Amprius Technologies, Inc.$AMPX
Common stock
2026-03-12$2.61/sh+86,143→ 213,482 total
Exercise/Conversion
Amprius Technologies, Inc.$AMPX
Stock Option (right to buy)
2026-03-12$2.61/sh−86,143→ 184,108 total
Exercise/Conversion
Amprius Technologies, Inc.$AMPX
Stock Option (right to buy)
2026-03-12$0.62/sh−69,422→ 0 total
Sale
Amprius Technologies, Inc.$AMPX
Common stock
2026-03-12$18.53/sh−5,565→ 127,339 total
Sale
Amprius Technologies, Inc.$AMPX
Common stock
2026-03-12$18.21/sh−50,000→ 132,904 total
Sale
Amprius Technologies, Inc.$AMPX
Common stock
2026-03-12$18.65/sh−100,000→ 182,904 total
Sale
Amprius Technologies, Inc.$AMPX
Common stock
2026-03-10$17.92/sh−166,632→ 127,339 total
Exercise/Conversion
Amprius Technologies, Inc.$AMPX
Stock Option (right to buy)
2026-03-10$0.62/sh−104,132→ 69,422 total
Exercise/Conversion
Amprius Technologies, Inc.$AMPX
Common stock
2026-03-10$0.62/sh+104,132→ 293,971 total
Award
Amprius Technologies, Inc.$AMPX
Common stock
2025-06-13+44,444→ 189,839 total
Award
Amprius Technologies, Inc.$AMPX
Stock Option (right to buy)
2024-10-23+173,554→ 173,554 total
Award
Amprius Technologies, Inc.$AMPX
Stock Option (right to buy)
2024-10-23+173,554→ 173,554 total
Award
Amprius Technologies, Inc.$AMPX
Common stock
2024-06-07+125,000→ 145,395 total
Award
Amprius Technologies, Inc.$AMPX
Common stock
2023-06-09+17,895→ 20,395 total
Disposition to Issuer
Zymergen Inc.
Stock Options
2022-10-19−33,333→ 0 total
Disposition to Issuer
Zymergen Inc.
Common Stock
2022-10-19−50,000→ 0 total
Disposition to Issuer
Zymergen Inc.
Stock Options
2022-10-19−132,333→ 0 total
Award
Amprius Technologies, Inc.$AMPX
Stock Option (right to buy)
2022-09-14+270,251→ 270,251 total
Award
Zymergen Inc.
Common Stock
2022-06-02+50,000→ 50,000 total
Award
NVIDIA CORP$NVDA
Director Stock Option (Right to Buy)
2008-06-20+30,000→ 30,000 total
Award
NVIDIA CORP$NVDA
Director Stock Option (Right to Buy)
2007-06-22+24,000→ 24,000 total

Companies

Recent Filings

Address

C/O AMPRIUS TECHNOLOGIES, INC., 1180 PAGE AVENUE

FREMONT, CA, 94538

View on SEC.gov