Insider · CIK 0001743927
Yakob Liawatidewi
Files at AMPH (Amphastar Pharmaceuticals, Inc.). First filing Nov 8, 2024, latest Nov 8, 2024.
Yakob Liawatidewi files SEC Form 4 as officer and director at AMPH (Amphastar Pharmaceuticals, Inc.). Since Nov 8, 2024, Yakob Liawatidewi has reported 0 open-market buys worth $0 and 1 open-market sell worth $271k, the latest filed on Nov 8, 2024.
A track record needs three past buys with six months of prices behind them; Yakob Liawatidewi has 0, so none is measured yet.
The newest scored trade: sold $271k of AMPH on Nov 6, 2024, filed Nov 8, 2024, scored 8 (weak), under a 10b5-1 plan.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
AMPH: Amphastar Pharmaceuticals, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 8Weak | Amphastar Pharmaceuticals, Inc. | $271k 5,214 shares | -7% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Nov 6, 2024 | AMPH Amphastar Pharmaceuticals, Inc. | 5,214 0.01% of outstanding | $271k | Nov 6, 2024 | none |
Transactions
Every row this insider has filed, 15 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Mar 15, 2026 | AMPH Amphastar Pharmaceuticals, Inc. | FTax withholding Common Stock | -1,033 | $18.18 | $19k | 121,892 | Mar 17, 2026 |
| Mar 9, 2026 | AMPH Amphastar Pharmaceuticals, Inc. | AGrant or award Common Stock | +35,450 | $0.00 | $0 | 124,795 | Mar 11, 2026 |
| Mar 10, 2026 | AMPH Amphastar Pharmaceuticals, Inc. | FTax withholding Common Stock | -1,870 | $18.91 | $35k | 122,925 | Mar 11, 2026 |
| Mar 9, 2026 | AMPH Amphastar Pharmaceuticals, Inc. | AGrant or award Employee Stock Option (right to buy)derivative | +73,126 | $0.00 | $0 | 73,126 | Mar 11, 2026 |
| Mar 6, 2026 | AMPH Amphastar Pharmaceuticals, Inc. | FTax withholding Common Stock | -1,144 | $19.34 | $22k | 89,345 | Mar 10, 2026 |
| Mar 4, 2026 | AMPH Amphastar Pharmaceuticals, Inc. | FTax withholding Common Stock | -965 | $19.96 | $19k | 90,489 | Mar 6, 2026 |
| Mar 15, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | FTax withholding Common Stock | -1,031 | $26.66 | $27k | 92,640 | Mar 18, 2025 |
| Mar 17, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | FTax withholding Common Stock | -1,731 | $27.69 | $48k | 90,909 | Mar 18, 2025 |
| Mar 10, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | AGrant or award Common Stock | +20,837 | $0.00 | $0 | 93,671 | Mar 12, 2025 |
| Mar 10, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | AGrant or award Employee Stock Option (right to buy)derivative | +44,253 | $0.00 | $0 | 44,253 | Mar 12, 2025 |
| Mar 6, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | FTax withholding Common Stock | -1,141 | $28.32 | $32k | 72,834 | Mar 10, 2025 |
| Mar 4, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | FTax withholding Common Stock | -963 | $27.62 | $27k | 73,975 | Mar 6, 2025 |
| Nov 6, 2024 | AMPH Amphastar Pharmaceuticals, Inc. | MOption exercise Common Stock10b5-1 | +5,214 | $13.03 | $68k | 80,152 | Nov 8, 2024 |
| Nov 6, 2024 | AMPH Amphastar Pharmaceuticals, Inc. | SOpen-market sale Common Stock10b5-1 | -5,214 | $52.05 | $271k | 74,938 | Nov 8, 2024 |
| Nov 6, 2024 | AMPH Amphastar Pharmaceuticals, Inc. | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -5,214 | $0.00 | $0 | 10,962 | Nov 8, 2024 |
Questions about Yakob Liawatidewi
Answered from the filings on this page, as of the latest one.
Is Yakob Liawatidewi buying or selling?
Not in the last 12 months. Yakob Liawatidewi's latest open-market trade on SEC Form 4 was sold $271k of AMPH on Nov 6, 2024.
How did Yakob Liawatidewi's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Yakob Liawatidewi has 0.
Where does Yakob Liawatidewi file Form 4?
Yakob Liawatidewi has filed Form 4 at AMPH (Amphastar Pharmaceuticals, Inc.) as EVP CORP ADMIN CENTER. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
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.