Form 4: Amphastar Exec's Routine Stock Tax Withholding
Insider Transaction Report
Amphastar Pharmaceuticals executive Liawatidewi Yakob reported a routine transaction involving the withholding of 965 shares for tax liability related to restricted stock units.
Summary
- Liawatidewi Yakob, an Executive Vice President of Corporate Administration and Director at Amphastar Pharmaceuticals, Inc. (AMPH), reported a transaction on March 4, 2026.
- 965 shares of Common Stock were disposed of to satisfy tax liabilities associated with the vesting of restricted stock units (RSUs).
- The shares were valued at $19.96 per share for the purpose of this tax withholding transaction.
- Following this transaction, Liawatidewi Yakob directly beneficially owns 90,489 shares of Common Stock.
- An additional 2,459 shares are indirectly beneficially owned through the Yakob and Sunmoon Trust dated July 25, 2013, for which the reporting person serves as a trustee.
- The direct beneficial ownership includes 545 shares acquired on May 31, 2025, under the Issuer's 2014 Employee Stock Purchase Plan.
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as a neutral event, representing a routine compliance filing for an insider transaction related to tax obligations from RSU vesting, with no direct positive or negative implications for the company's operational performance or strategic direction.
Future Outlook
NA
Industry Context
StockSavvy.ai notes that routine insider transactions, such as tax withholdings related to RSU vesting, are common occurrences across all industries and typically do not signal significant operational or strategic shifts for a company like Amphastar Pharmaceuticals.
Stakeholder Impact
- Minimal impact on shareholders as this is a routine, non-discretionary transaction for tax purposes, not indicative of a change in management's confidence or company fundamentals.
Key Dates
| Date | Description |
|---|---|
| 07/25/2013 | Date of the Yakob and Sunmoon Trust, through which shares are indirectly held. |
| 05/31/2025 | Date 545 shares were acquired under the Issuer's 2014 Employee Stock Purchase Plan. |
| 03/04/2026 | Date of the reported transaction where 965 shares were withheld for tax liability. |
| 03/06/2026 | Date the Form 4 was signed by Liawatidewi Yakob. |
Keywords
Amphastar Pharmaceuticals, AMPH, Form 4, insider transaction, stock ownership, restricted stock units, RSU, tax withholding, beneficial ownership, Liawatidewi Yakob
Disclaimer:The information provided here is for general informational purposes only and does not constitute financial advice, recommendation, or endorsement of any kind. It may contain errors or omissions. You should not rely on this information to make financial decisions. Always seek the advice of a qualified financial professional before making any investment or financial decisions. Use of this information is at your own risk.