CHANG DAVID C

CIK 00011881842 companiesFREMONT, CA

SEC Profile

Transactions

Companies

Filings

CIK

0001188184

Recent Transactions

24 trades

Sale
AXT INC$AXTI
Common Stock
2025-12-02$12.33/sh−25,000→ 157,744 total
Sale
AXT INC$AXTI
Common Stock
2025-12-02$12.33/sh−25,000→ 157,744 total
Sale
AXT INC$AXTI
Common Stock
2025-11-28$10.72/sh−25,000→ 182,744 total
Sale
AXT INC$AXTI
Common Stock
2025-11-28$10.72/sh−25,000→ 182,744 total
Purchase
AXT INC$AXTI
AXTI common stock
2009-08-31$1.81/sh+3,000→ 71,503 total
Purchase
AXT INC$AXTI
AXTI common stock
2009-08-31$1.81/sh+3,000→ 71,503 total
Award
AXT INC$AXTI
Common Stock
2008-10-31+15,723→ 45,776 total
Award
AXT INC$AXTI
Common Stock
2008-10-31+15,723→ 45,776 total
Purchase
AXT INC$AXTI
Common Stock
2006-08-28$3.40/sh+1,000→ 24,183 total
Purchase
AXT INC$AXTI
Common Stock
2006-08-28$3.40/sh+1,000→ 24,183 total
Purchase
AXT INC$AXTI
Common Stock
2006-08-23$3.15/sh+550→ 23,183 total
Purchase
AXT INC$AXTI
Common Stock
2006-08-23$3.15/sh+550→ 23,183 total
Purchase
AXT INC$AXTI
Common Stock
2006-08-21$3.05/sh+1,500→ 22,633 total
Purchase
AXT INC$AXTI
Common Stock
2006-08-21$3.05/sh+1,500→ 22,633 total
Award
AXT INC$AXTI
Common Stock
2005-08-17$1.17/sh+5,000→ 18,333 total
Award
AXT INC$AXTI
Common Stock
2005-08-17$1.17/sh+5,000→ 18,333 total
Award
AXT INC$AXTI
Common Stock
2005-08-09$1.17/sh+5,000→ 13,333 total
Award
AXT INC$AXTI
Common Stock
2005-08-09$1.17/sh+5,000→ 13,333 total
Award
FEDDERS CORP /DE
Common Stock
2005-06-28$2.20/sh+10,910→ 47,088 total
Award
FEDDERS CORP /DE
Common Stock
2005-06-28$2.20/sh+10,910→ 47,088 total
Sale
FEDDERS CORP /DE
Subscription Rights (Right to Buy)
2003-07-01$0.01/sh−734→ 0 total
Award
FEDDERS CORP /DE
Subscription Rights (Right to Buy)
2003-07-01+734→ 734 total
Award
FEDDERS CORP /DE
Subscription Rights (Right to Buy)
2003-07-01+734→ 734 total
Sale
FEDDERS CORP /DE
Subscription Rights (Right to Buy)
2003-07-01$0.01/sh−734→ 0 total

Companies

Recent Filings

Address

4281 TECHNOLOGY DRIVE

FREMONT, CA, 94538

View on SEC.gov