Who
Yakob Liawatidewi
EVP Corp Admin Center
Company insider
Files Form 4 as: EVP Corp Admin Center, Amphastar Pharmaceuticals.
In numbers
- Trades disclosed
- 157
- Buys
- 0
- Sells
- 33
- Bought
- $0
- Sold
- $7.1M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 14 Jun 2018
- Last trade
- 15 Mar 2026
- Last filed
- 17 Mar 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 15 Mar 2026filed 17 Mar 2026 | AMPH Amphastar PharmaceuticalsPharmaceuticals | SEC FORM 4 Code F | $19K1,033 at $18.18 | filing |
| 15 Mar 2026filed 17 Mar 2026 | AMPH Amphastar PharmaceuticalsPharmaceuticals | SEC FORM 4 Code F | $19K1,033 at $18.18 | filing |
| 10 Mar 2026filed 11 Mar 2026 | AMPH Amphastar PharmaceuticalsPharmaceuticals | SEC FORM 4 Code F | $35K1,870 at $18.91 | filing |
| 10 Mar 2026filed 11 Mar 2026 | AMPH Amphastar PharmaceuticalsPharmaceuticals | SEC FORM 4 Code F | $35K1,870 at $18.91 | filing |
| 9 Mar 2026filed 11 Mar 2026 | AMPH Amphastar PharmaceuticalsPharmaceuticals | SEC FORM 4 Code A | —35,450 at $0.00 | filing |
| 9 Mar 2026filed 11 Mar 2026 | AMPH Amphastar Pharmaceuticalsoption or derivative · Pharmaceuticals | SEC FORM 4 Code A | —73,126 at $0.00 | filing |
| 9 Mar 2026filed 11 Mar 2026 | AMPH Amphastar Pharmaceuticalsoption or derivative · Pharmaceuticals | SEC FORM 4 Code A | —73,126 at $0.00 | filing |
| 9 Mar 2026filed 11 Mar 2026 | AMPH Amphastar PharmaceuticalsPharmaceuticals | SEC FORM 4 Code A | —35,450 at $0.00 | filing |
| 6 Mar 2026filed 10 Mar 2026 | AMPH Amphastar PharmaceuticalsPharmaceuticals | SEC FORM 4 Code F | $22K1,144 at $19.34 | filing |
| 6 Mar 2026filed 10 Mar 2026 | AMPH Amphastar PharmaceuticalsPharmaceuticals | SEC FORM 4 Code F | $22K1,144 at $19.34 | filing |
| 4 Mar 2026filed 6 Mar 2026 | AMPH Amphastar PharmaceuticalsPharmaceuticals | SEC FORM 4 Code F | $19K965 at $19.96 | filing |
| 4 Mar 2026filed 6 Mar 2026 | AMPH Amphastar PharmaceuticalsPharmaceuticals | SEC FORM 4 Code F | $19K965 at $19.96 | filing |
| 17 Mar 2025filed 18 Mar 2025 | AMPH Amphastar PharmaceuticalsPharmaceuticals | SEC FORM 4 Code F | $48K1,731 at $27.69 | filing |
| 15 Mar 2025filed 18 Mar 2025 | AMPH Amphastar PharmaceuticalsPharmaceuticals | SEC FORM 4 Code F | $27K1,031 at $26.66 | filing |
| 10 Mar 2025filed 12 Mar 2025 | AMPH Amphastar Pharmaceuticalsoption or derivative · Pharmaceuticals | SEC FORM 4 Code A | —44,253 at $0.00 | filing |
| 10 Mar 2025filed 12 Mar 2025 | AMPH Amphastar PharmaceuticalsPharmaceuticals | SEC FORM 4 Code A | —20,837 at $0.00 | filing |
| 6 Mar 2025filed 10 Mar 2025 | AMPH Amphastar PharmaceuticalsPharmaceuticals | SEC FORM 4 Code F | $32K1,141 at $28.32 | filing |
| 4 Mar 2025filed 6 Mar 2025 | AMPH Amphastar PharmaceuticalsPharmaceuticals | SEC FORM 4 Code F | $27K963 at $27.62 | filing |
| 6 Nov 2024filed 8 Nov 2024 | AMPH Amphastar Pharmaceuticalsoption or derivative · Pharmaceuticals | SEC FORM 4 Code M | —5,214 at $0.00 | filing |
| 6 Nov 2024filed 8 Nov 2024 | AMPH Amphastar PharmaceuticalsPharmaceuticals | SEC FORM 4 Code M | $68K5,214 at $13.03 | filing |
News
Comparing Amphastar Pharmaceuticals (NASDAQ:AMPH) & Enanta Pharmaceuticals (NASDAQ:ENTA)AMPH · tickerreport.com · 13 Oct 2026
0 headlines in the last 90 days name Yakob Liawatidewi; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.