Zhou Rong
CIK: 0001645326•SENIOR EVP, PRODUCTION CENTER
Officer
Primary company: Amphastar Pharmaceuticals, Inc. (AMPH)
Zhou Rong is a corporate insider (SENIOR EVP, PRODUCTION CENTER) at Amphastar Pharmaceuticals, Inc. (AMPH) filing SEC Form 4 transactions. 156 transactions, totaling $0 in purchases and $6,253,388 in sales. Source: SEC EDGAR.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
| Exercise | 10,000 | $13.35 | $134K | 19,424 | 9/16/2026 Filed: 9/16/2026 | Filing → | |
| Sale | 10,000 | $23.94 | $239K | 169,203 | 9/16/2026 Filed: 9/16/2026 | Filing → | |
| Exercise | 10,000 | $13.35 | $134K | 179,203 | 9/16/2026 Filed: 9/16/2026 | Filing → | |
| Sale | 3,187 | $23.63 | $75K | 169,203 | 9/2/2026 Filed: 9/2/2026 | Filing → | |
| Tax Payment | 1,225 | $18.18 | $22K | 171,554 | 3/15/2026 Filed: 3/15/2026 | Filing → | |
| Tax Payment | 2,215 | $18.91 | $42K | 172,779 | 3/10/2026 Filed: 3/9/2026 | Filing → | |
| Award | 81,341 | $19.21 | $1.56M | 81,341 | 3/9/2026 Filed: 3/9/2026 | Filing → | |
| Award | 39,432 | - | - | 174,994 | 3/9/2026 Filed: 3/9/2026 | Filing → | |
| Tax Payment | 1,124 | $19.96 | $22K | 136,919 | 3/4/2026 Filed: 3/4/2026 | Filing → | |
| Exercise | 9,787 | - | - | 0 | 12/17/2025 Filed: 12/18/2025 | Filing → | |
| Sale | 9,787 | $26.20 | $256K | 138,043 | 12/17/2025 Filed: 12/18/2025 | Filing → | |
| Exercise | 9,787 | $11.33 | $111K | 147,830 | 12/17/2025 Filed: 12/18/2025 | Filing → | |
| Tax Payment | 1,967 | $27.69 | $54K | 137,497 | 3/17/2025 Filed: 3/18/2025 | Filing → | |
| Tax Payment | 1,222 | $26.66 | $33K | 139,464 | 3/15/2025 Filed: 3/18/2025 | Filing → | |
| Award | 52,437 | $28.41 | $1.49M | 52,437 | 3/10/2025 Filed: 3/12/2025 | Filing → | |
| Award | 24,692 | - | - | 140,686 | 3/10/2025 Filed: 3/12/2025 | Filing → | |
| Tax Payment | 1,354 | $28.32 | $38K | 115,994 | 3/6/2025 Filed: 3/10/2025 | Filing → | |
| Tax Payment | 1,121 | $27.62 | $31K | 117,348 | 3/4/2025 Filed: 3/6/2025 | Filing → | |
| Exercise | 8,000 | - | - | 9,787 | 12/13/2024 Filed: 12/16/2024 | Filing → | |
| Sale | 8,000 | $45.23 | $362K | 118,469 | 12/13/2024 Filed: 12/16/2024 | Filing → |
Type
Exercise
Shares
10,000
Price
$13.35
Value
$134K
Type
Sale
Shares
10,000
Price
$23.94
Value
$239K
Type
Exercise
Shares
10,000
Price
$13.35
Value
$134K
Type
Sale
Shares
3,187
Price
$23.63
Value
$75K
Type
Tax Payment
Shares
1,225
Price
$18.18
Value
$22K
Type
Tax Payment
Shares
2,215
Price
$18.91
Value
$42K
Type
Award
Shares
81,341
Price
$19.21
Value
$1.56M
Type
Award
Shares
39,432
Price
-
Value
-
Type
Tax Payment
Shares
1,124
Price
$19.96
Value
$22K
Type
Exercise
Shares
9,787
Price
-
Value
-
Type
Sale
Shares
9,787
Price
$26.20
Value
$256K
Type
Exercise
Shares
9,787
Price
$11.33
Value
$111K
Type
Tax Payment
Shares
1,967
Price
$27.69
Value
$54K
Type
Tax Payment
Shares
1,222
Price
$26.66
Value
$33K
Type
Award
Shares
52,437
Price
$28.41
Value
$1.49M
Type
Award
Shares
24,692
Price
-
Value
-
Type
Tax Payment
Shares
1,354
Price
$28.32
Value
$38K
Type
Tax Payment
Shares
1,121
Price
$27.62
Value
$31K
Type
Exercise
Shares
8,000
Price
-
Value
-
Type
Sale
Shares
8,000
Price
$45.23
Value
$362K
AI Agent
Try asking...