William J. Peters
Known title: CFO, EVP & TREASURERCIK: 0001263136
Associated companies
Transaction History
| AMPH | ▼ Sell | Open Market | 4,139 | $103K | 9/21/2026 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 5,053 | $100K | 8/7/2026 | View on chart |
| AMPH | ▼ Sell | Open Market | 8,180 | $184K | 8/7/2026 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 1,973 | $36K | 3/15/2026 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 3,297 | $62K | 3/10/2026 | View on chart |
| AMPH | ▲ Buy | Grant | 58,693 | $0 | 3/9/2026 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 2,146 | $42K | 3/6/2026 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 1,744 | $35K | 3/4/2026 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 273 | $7K | 5/19/2025 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 3,004 | $83K | 3/17/2025 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 1,968 | $52K | 3/15/2025 | View on chart |
| AMPH | ▲ Buy | Grant | 36,747 | $0 | 3/10/2025 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 2,141 | $61K | 3/6/2025 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 7,490 | $100K | 3/4/2025 | View on chart |
| AMPH | ▼ Sell | Open Market | 4,231 | $117K | 3/4/2025 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 1,739 | $48K | 3/4/2025 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 7,426 | $97K | 11/6/2024 | View on chart |
| AMPH | ▼ Sell | Open Market | 7,426 | $387K | 11/6/2024 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 10,282 | $208K | 7/31/2024 | View on chart |
| AMPH | ▼ Sell | Open Market | 10,282 | $455K | 7/31/2024 | View on chart |
| AMPH | ▼ Sell | Open Market | 2,961 | $121K | 6/27/2024 | View on chart |
| AMPH | ▼ Sell | Open Market | 635 | $26K | 6/27/2024 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 387 | $17K | 5/19/2024 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 4,255 | $183K | 3/17/2024 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 5,105 | $220K | 3/16/2024 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 2,285 | $98K | 3/15/2024 | View on chart |
| AMPH | ▼ Sell | Open Market | 13,404 | $621K | 3/6/2024 | View on chart |
| AMPH | ▼ Sell | Open Market | 51 | $2K | 3/6/2024 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 8,826 | $100K | 3/6/2024 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 2,190 | $101K | 3/6/2024 | View on chart |
| AMPH | ▼ Sell | Open Market | 4,681 | $220K | 3/6/2024 | View on chart |
| AMPH | ▲ Buy | Grant | 19,440 | $0 | 3/4/2024 | View on chart |
| AMPH | ▼ Sell | Open Market | 14,868 | $841K | 11/14/2023 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 21,250 | $430K | 11/14/2023 | View on chart |
| AMPH | ▼ Sell | Open Market | 30,162 | $1.7M | 11/14/2023 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 38,000 | $495K | 11/14/2023 | View on chart |
| AMPH | ▼ Sell | Open Market | 14,220 | $779K | 11/14/2023 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 21,250 | $430K | 9/6/2023 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 10,000 | $198K | 9/6/2023 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 25,250 | $329K | 9/6/2023 | View on chart |
| AMPH | ▼ Sell | Open Market | 59 | $3K | 9/6/2023 | View on chart |
| AMPH | ▼ Sell | Open Market | 60,684 | $3.1M | 9/6/2023 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 36,868 | $730K | 6/15/2023 | View on chart |
| AMPH | ▼ Sell | Open Market | 11,868 | $579K | 6/15/2023 | View on chart |
| AMPH | ▼ Sell | Open Market | 12,000 | $609K | 6/15/2023 | View on chart |
| AMPH | ▼ Sell | Open Market | 13,000 | $686K | 6/15/2023 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 11,000 | $147K | 6/2/2023 | View on chart |
| AMPH | ▼ Sell | Open Market | 11,000 | $510K | 6/2/2023 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 378 | $17K | 5/19/2023 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 10,500 | $140K | 5/18/2023 | View on chart |
| AMPH | ▼ Sell | Open Market | 10,500 | $466K | 5/18/2023 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 5,632 | $75K | 4/17/2023 | View on chart |
| AMPH | ▼ Sell | Open Market | 5,632 | $239K | 4/17/2023 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 4,868 | $65K | 4/13/2023 | View on chart |
| AMPH | ▼ Sell | Open Market | 4,868 | $206K | 4/13/2023 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 10,032 | $134K | 4/10/2023 | View on chart |
| AMPH | ▼ Sell | Open Market | 10,032 | $405K | 4/10/2023 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 4,162 | $151K | 3/17/2023 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 4,995 | $188K | 3/16/2023 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 6,688 | $100K | 3/15/2023 | View on chart |
| AMPH | ▼ Sell | Open Market | 12,776 | $465K | 3/15/2023 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 4,146 | $153K | 3/15/2023 | View on chart |
| AMPH | ▲ Buy | Grant | 23,925 | $0 | 3/6/2023 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 10,974 | $124K | 3/1/2023 | View on chart |
| AMPH | ▼ Sell | Open Market | 10,974 | $399K | 3/1/2023 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 10,000 | $134K | 8/9/2022 | View on chart |
| AMPH | ▼ Sell | Open Market | 10,000 | $384K | 8/9/2022 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 18,386 | $275K | 6/30/2022 | View on chart |
| AMPH | ▼ Sell | Open Market | 18,386 | $643K | 6/30/2022 | View on chart |
| AMPH | ▼ Sell | Open Market | 5,512 | $177K | 6/17/2022 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 378 | $13K | 5/19/2022 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 4,162 | $142K | 3/17/2022 | View on chart |
| AMPH | ▼ Sell | Open Market | 47,017 | $1.6M | 3/16/2022 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 50,777 | $731K | 3/16/2022 | View on chart |
| AMPH | ▼ Sell | Open Market | 3,760 | $129K | 3/16/2022 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 4,995 | $171K | 3/16/2022 | View on chart |
| AMPH | ▼ Sell | Open Market | 7,900 | $272K | 3/15/2022 | View on chart |
| AMPH | ▲ Buy | Grant | 21,991 | $0 | 3/15/2022 | View on chart |
| AMPH | ▼ Sell | Tax Withholding | 5,989 | $208K | 3/15/2022 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 13,026 | $174K | 3/7/2022 | View on chart |
| AMPH | ▼ Sell | Open Market | 13,026 | $382K | 3/7/2022 | View on chart |
| AMPH | ▼ Sell | Open Market | 11,000 | $307K | 2/25/2022 | View on chart |
| AMPH | ▼ Sell | Open Market | 12,000 | $347K | 2/25/2022 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 23,000 | $344K | 2/25/2022 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 10,000 | $150K | 2/8/2022 | View on chart |
| AMPH | ▼ Sell | Open Market | 10,000 | $270K | 2/8/2022 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 16,000 | $230K | 1/10/2022 | View on chart |
| AMPH | ▼ Sell | Open Market | 16,000 | $406K | 1/10/2022 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 31,776 | $458K | 1/7/2022 | View on chart |
| AMPH | ▼ Sell | Open Market | 20,000 | $483K | 1/7/2022 | View on chart |
| AMPH | ▼ Sell | Open Market | 11,776 | $293K | 1/7/2022 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 10,000 | $144K | 12/30/2021 | View on chart |
| AMPH | ▼ Sell | Open Market | 10,000 | $234K | 12/30/2021 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 8,256 | $119K | 12/21/2021 | View on chart |
| AMPH | ▼ Sell | Open Market | 8,256 | $185K | 12/21/2021 | View on chart |
| AMPH | ▼ Sell | Open Market | 1,744 | $39K | 12/16/2021 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 1,744 | $25K | 12/16/2021 | View on chart |
| AMPH | ▲ Buy | Option Exercise | 10,000 | $113K | 11/11/2021 | View on chart |
| AMPH | ▼ Sell | Open Market | 10,000 | $213K | 11/11/2021 | View on chart |
| AMPH | ▼ Sell | Open Market | 6,589 | $128K | 8/16/2021 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 15, 2026
Amphastar (AMPH) Cited as Safe-and-Steady Stock in Yahoo Analysis
A recent Yahoo Finance article highlighted Amphastar Pharmaceuticals as a 'safe-and-steady' stock worth researching further. This positive framing contrasts with other companies facing challenges, suggesting the market views AMPH as a relatively stable option. The stock currently trades with a trailing P/E of 14.2, which is lower than the average analyst target price of $22.50.
Amphastar (AMPH) Cited as Safe-and-Steady Stock in Yahoo Analysis. A recent Yahoo Finance article highlighted Amphastar Pharmaceuticals as a 'safe-and-steady' stock worth researching further. This positive framing contrasts with other companies facing challenges, suggesting the market views AMPH as a relatively stable option. The stock currently trades with a trailing P/E of 14.2, which is lower than the average analyst target price of $22.50.