PETERS WILLIAM J
CIK: 0001263136•CFO, EVP & TREASURER
OfficerDirector
Primary company: Amphastar Pharmaceuticals, Inc. (AMPH)
PETERS WILLIAM J is a corporate insider (CFO, EVP & TREASURER) at Amphastar Pharmaceuticals, Inc. (AMPH) filing SEC Form 4 transactions. 285 transactions across 2 companies, totaling $0 in purchases and $27,883,561 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 |
|---|---|---|---|---|---|---|---|
| Tax Payment | 1,973 | $18.18 | $36K | 175,063 | 3/15/2026 Filed: 3/15/2026 | Filing → | |
| Tax Payment | 3,297 | $18.91 | $62K | 177,036 | 3/10/2026 Filed: 3/9/2026 | Filing → | |
| Award | 121,071 | $19.21 | $2.33M | 121,071 | 3/9/2026 Filed: 3/9/2026 | Filing → | |
| Award | 58,693 | - | - | 180,333 | 3/9/2026 Filed: 3/9/2026 | Filing → | |
| Tax Payment | 2,146 | $19.34 | $42K | 121,640 | 3/6/2026 Filed: 3/6/2026 | Filing → | |
| Tax Payment | 1,744 | $19.96 | $35K | 123,786 | 3/4/2026 Filed: 3/4/2026 | Filing → | |
| Tax Payment | 273 | $24.79 | $7K | 124,985 | 5/19/2025 Filed: 5/20/2025 | Filing → | |
| Tax Payment | 3,004 | $27.69 | $83K | 125,258 | 3/17/2025 Filed: 3/18/2025 | Filing → | |
| Tax Payment | 1,968 | $26.66 | $52K | 128,262 | 3/15/2025 Filed: 3/18/2025 | Filing → | |
| Award | 78,039 | $28.41 | $2.22M | 78,039 | 3/10/2025 Filed: 3/12/2025 | Filing → | |
| Award | 36,747 | - | - | 130,230 | 3/10/2025 Filed: 3/12/2025 | Filing → | |
| Tax Payment | 2,141 | $28.32 | $61K | 93,483 | 3/6/2025 Filed: 3/10/2025 | Filing → | |
| Exercise | 7,490 | $13.35 | $100K | 0 | 3/4/2025 Filed: 3/6/2025 | Filing → | |
| Tax Payment | 1,739 | $27.62 | $48K | 95,624 | 3/4/2025 Filed: 3/6/2025 | Filing → | |
| Sale | 4,231 | $27.54 | $117K | 97,363 | 3/4/2025 Filed: 3/6/2025 | Filing → | |
| Exercise | 7,490 | $13.35 | $100K | 101,594 | 3/4/2025 Filed: 3/6/2025 | Filing → | |
| Exercise | 7,426 | - | - | 23,674 | 11/6/2024 Filed: 11/8/2024 | Filing → | |
| Sale | 7,426 | $52.05 | $387K | 94,103 | 11/6/2024 Filed: 11/8/2024 | Filing → | |
| Exercise | 7,426 | $13.03 | $97K | 101,529 | 11/6/2024 Filed: 11/8/2024 | Filing → | |
| Exercise | 10,282 | - | - | 4,943 | 7/31/2024 Filed: 8/2/2024 | Filing → |
Type
Tax Payment
Shares
1,973
Price
$18.18
Value
$36K
Type
Tax Payment
Shares
3,297
Price
$18.91
Value
$62K
Type
Award
Shares
121,071
Price
$19.21
Value
$2.33M
Type
Award
Shares
58,693
Price
-
Value
-
Type
Tax Payment
Shares
2,146
Price
$19.34
Value
$42K
Type
Tax Payment
Shares
1,744
Price
$19.96
Value
$35K
Type
Tax Payment
Shares
273
Price
$24.79
Value
$7K
Type
Tax Payment
Shares
3,004
Price
$27.69
Value
$83K
Type
Tax Payment
Shares
1,968
Price
$26.66
Value
$52K
Type
Award
Shares
78,039
Price
$28.41
Value
$2.22M
Type
Award
Shares
36,747
Price
-
Value
-
Type
Tax Payment
Shares
2,141
Price
$28.32
Value
$61K
Type
Exercise
Shares
7,490
Price
$13.35
Value
$100K
Type
Tax Payment
Shares
1,739
Price
$27.62
Value
$48K
Type
Sale
Shares
4,231
Price
$27.54
Value
$117K
Type
Exercise
Shares
7,490
Price
$13.35
Value
$100K
Type
Exercise
Shares
7,426
Price
-
Value
-
Type
Sale
Shares
7,426
Price
$52.05
Value
$387K
Type
Exercise
Shares
7,426
Price
$13.03
Value
$97K
Type
Exercise
Shares
10,282
Price
-
Value
-
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