CHANG NANCY T

CIK: 0001135041
Director10% Owner
Primary company: TANOX INC (TNOX)

CHANG NANCY T is a corporate insider at TANOX INC (TNOX) filing SEC Form 4 transactions. 72 transactions across 6 companies, totaling $650,201 in purchases and $2,597,964 in sales. Source: SEC EDGAR.

Total Transactions
72
Total Buy Value
$650K
Total Sell Value
$2.60M
Net Activity
$-1.95M
Last Transaction
Nov 2025
Companies
6

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Exercise
Shares
103,448
Price
-
Value
-
Type
Award
Shares
35,972
Price
-
Value
-
Type
Exercise
Shares
103,448
Price
-
Value
-
Type
Award
Shares
12,500
Price
$8.78
Value
$110K
Type
Award
Shares
6,250
Price
-
Value
-
Type
Conversion
Shares
1,180,611
Price
-
Value
-
Type
Conversion
Shares
1,180,611
Price
-
Value
-
Type
Award
Shares
39,643
Price
-
Value
-
Type
Exercise
Shares
73,892
Price
-
Value
-
Type
Award
Shares
103,448
Price
-
Value
-
Type
Exercise
Shares
73,892
Price
-
Value
-
Type
Award
Shares
96,000
Price
$0.04
Value
$4K
Type
Award
Shares
1,841,920
Price
-
Value
-
Type
Purchase
Shares
7,644,932
Price
$0.07
Value
$500K
Type
Exercise
Shares
38,760
Price
-
Value
-
Type
Exercise
Shares
38,760
Price
-
Value
-
Type
Award
Shares
73,892
Price
-
Value
-
Type
Award
Shares
38,760
Price
$0.00
Value
$0
SCICLONE PHARMACEUTICALS INC
SCLN
Type
Disposition
Shares
30,000
Price
$0.28
Value
$8K
SCICLONE PHARMACEUTICALS INC
SCLN
Type
Disposition
Shares
30,000
Price
$2.03
Value
$61K