Jack Y. Zhang sold $13M of AMPH
CEO & Chief Scientific Officer at Amphastar Pharmaceuticals, Inc.. 219,800 shares at an average of $58.23, traded Jan 8, 2024, filed Jan 10, 2024.
Score components
- +25RoleCEO
- +25Trade size$12.8M at market
- +5Share of holdings soldSold 15% of holdings
- +8Cluster2 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001104659-24-003050, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jan 8, 2024 | SOpen-market sale Common Stock10b5-1 | -18,858 | $56.98 | $1.1M | 1,436,744 | Jan 10, 2024 |
| Jan 8, 2024 | SOpen-market sale Common Stock10b5-1 | -41,282 | $58.25 | $2.4M | 1,395,462 | Jan 10, 2024 |
| Jan 8, 2024 | SOpen-market sale Common Stock10b5-1 | -37,865 | $59.24 | $2.2M | 1,357,597 | Jan 10, 2024 |
| Jan 8, 2024 | SOpen-market sale Common Stock10b5-1 | -27,563 | $59.99 | $1.7M | 1,330,034 | Jan 10, 2024 |
| Jan 8, 2024 | SOpen-market sale Common Stock10b5-1 | -4,261 | $61.19 | $261k | 1,325,773 | Jan 10, 2024 |
| Jan 8, 2024 | SOpen-market sale Common Stock10b5-1 | -1,663 | $61.81 | $103k | 1,324,110 | Jan 10, 2024 |
| Jan 8, 2024 | SOpen-market sale Common Stock10b5-1 | -2,152 | $63.27 | $136k | 1,321,958 | Jan 10, 2024 |
| Jan 9, 2024 | SOpen-market sale Common Stock10b5-1 | -50,678 | $56.70 | $2.9M | 1,271,280 | Jan 10, 2024 |
| Jan 9, 2024 | SOpen-market sale Common Stock10b5-1 | -31,764 | $57.70 | $1.8M | 1,239,516 | Jan 10, 2024 |
| Jan 9, 2024 | SOpen-market sale Common Stock10b5-1 | -3,714 | $58.35 | $217k | 1,235,802 | Jan 10, 2024 |
Related signals
Other insiders at Amphastar Pharmaceuticals, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 20Weak | Amphastar Pharmaceuticals, Inc. | William J Peters CFO, EVP & TREASURER | $103k 4,139 shares | -2% | |
| 21Weak | Amphastar Pharmaceuticals, Inc. | Rong Zhou SENIOR EVP, PRODUCTION CENTER | $239k 10,000 shares | -6% | |
| 23Weak | AMPHsell Amphastar Pharmaceuticals, Inc. | Rong Zhou SENIOR EVP, PRODUCTION CENTER | $75k 3,187 shares | -2% | |
| 39Weak | Amphastar Pharmaceuticals, Inc. | Richard K Prins director | $162k 7,973 shares | -21% | |
| 7Weak | Amphastar Pharmaceuticals, Inc. | William J Peters CFO, EVP & TREASURER | $184k 8,180 shares | -5% | |
| 21Weak | Amphastar Pharmaceuticals, Inc. | Rong Zhou SENIOR EVP, PRODUCTION CENTER | $256k 9,787 shares | -7% | |
| 33Weak | Amphastar Pharmaceuticals, Inc. | Floyd F. Petersen director | $108k 4,163 shares | -6% | |
| 23Weak | Amphastar Pharmaceuticals, Inc. | Richard K Prins director | $113k 4,179 shares | -11% | |
| 30Weak | Amphastar Pharmaceuticals, Inc. | Floyd F. Petersen director | $442k 16,679 shares | -18% | |
| 0Weak | Amphastar Pharmaceuticals, Inc. | Floyd F. Petersen director | $13k 500 shares | -1% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.