$41.11
0[0.00%]
At close: Apr 26
$41.11
0[0.00%]
After Hours: 4:20PM EDT
Amphastar Pharma
(NASDAQ:AMPH)Amphastar Pharma Stock (NASDAQ:AMPH), Insider Trading Activity
Amphastar Pharma: Insider buying and selling updated today.
Shares Outstanding
48.866M%
Filing Date | Insider Names | Insider Title | Qty. | Price | Size ($) | Type | Δ Own | Own | Trade Dates | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|
| Apr 02, 2024 | Floyd Petersen | -500 | $43.43 | -$21.71K | SELL | -0.63% | 79.333K | Apr 01 | View | |
| Mar 08, 2024 | William J Peters | CFO, EVP & TREASURER | -11.5K | $28.89 | -$844.30K | SELL | -9.52% | 109.3K | Mar 06 | View |
| Mar 06, 2024 | MICHAEL ZASLOFF | -12.5K | $47.18 | -$589.72K | SELL | -36.95% | 21.326K | Mar 05 | View | |
| Mar 04, 2024 | Floyd Petersen | -500 | $45.69 | -$22.85K | SELL | -0.62% | 79.833K | Mar 01 | View | |
| Feb 02, 2024 | Floyd Petersen | DIRECTOR | -500 | $53.10 | -$26.55K | SELL | -0.62% | 80.333K | Feb 01 | View |
| Jan 11, 2024 | Mary LuoJack Zhang | COO,CHIEF SCIENTIST & CHAIRMAN, CEO & CHIEF SCIENTIFIC OFFICER | -131.386K | $54.59 | -$7.17M | SELL | -10.59% | 1.109416M | Jan 10 | View |
| Jan 10, 2024 | Mary LuoJack Zhang | COO,CHIEF SCIENTIST & CHAIRMAN, CEO & CHIEF SCIENTIFIC OFFICER | -219.8K | $58.23 | -$12.80M | SELL | -15.05% | 1.240802M | Jan 08 - Jan 09 | View |
| Jan 03, 2024 | Floyd Petersen | DIRECTOR | -500 | $61.37 | -$30.68K | SELL | -0.61% | 80.833K | Jan 02 | View |
| Dec 05, 2023 | Rong Zhou | SENIOR EVP, PRODUCTION CENTER | 0 | $37.12 | -$343.15K | SELL-OPTIONS | 0.00% | 117.42K | Dec 01 - Dec 04 | View |
| Dec 04, 2023 | Floyd Petersen | DIRECTOR | -500 | $57.90 | -$28.95K | SELL | -0.61% | 81.333K | Dec 01 | View |
| Nov 20, 2023 | RICHARD PRINS | DIRECTOR | -5K | $55.86 | -$223.45K | SELL | -13.93% | 30.895K | Nov 17 | View |
| Nov 16, 2023 | William J Peters | CFO, EVP & TREASURER | 0 | $35.64 | -$2.37M | SELL-OPTIONS | 0.00% | 101.36K | Nov 14 | View |
| Nov 15, 2023 | RICHARD PRINS | DIRECTOR | -5K | $52.50 | -$262.50K | SELL | -12.23% | 35.895K | Nov 13 | View |
| Nov 15, 2023 | Gayle Deflin | DIRECTOR | -4.163K | $55.45 | -$230.84K | SELL | -60.52% | 2.716K | Nov 14 | View |
| Nov 02, 2023 | Floyd Petersen | DIRECTOR | -500 | $45.30 | -$22.65K | SELL | -0.61% | 81.833K | Nov 01 | View |
| Oct 03, 2023 | Floyd Petersen | DIRECTOR | -500 | $45.78 | -$22.89K | SELL | -0.60% | 82.333K | Oct 02 | View |
| Sep 08, 2023 | William J Peters | CFO, EVP & TREASURER | -4.243K | $34.34 | -$2.19M | SELL | -4.02% | 101.36K | Sep 06 | View |
| Aug 29, 2023 | Yakob Liawatidewi | EVP CORP ADMIN CENTER | 0 | $33.99 | -$1.10M | SELL-OPTIONS | 0.00% | 72.128K | Aug 28 | View |
| Aug 21, 2023 | RICHARD PRINS | DIRECTOR | -2K | $52.50 | -$105.01K | SELL | -4.66% | 40.895K | Aug 18 | View |
FAQ
Is Insider trading legal?
Insider trading is legal so long as the insiders report those trades to the SEC. Illegal securities trading occurs when the insider is violating a fiduciary duty or fails to report their trades.
What are some examples of market manipulation?
Insider trading, pump and dump schemes, front running and wash trades are all examples of market manipulation. Investors who track insider asset movement should think carefully about why these insiders are trading their stocks before moving forward.
Browse insider trades on all stocks.