Yakob Liawatidewi
EVP CORP ADMIN CENTER · Amphastar Pharmaceuticals, Inc.
- 2024
- Mar 18, 2026
- 5
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Yakob Liawatidewi files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Floyd F. Petersen - $454K in AMPH purchases and sales in the last 12 months
- Rong Zhou - $315K in AMPH purchases and sales in the last 12 months
- William J. Peters - $287K in AMPH purchases and sales in the last 12 months
- Richard K. Prins - $275K in AMPH purchases and sales in the last 12 months
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Frequently asked questions
Who is Yakob Liawatidewi?
Yakob Liawatidewi is a corporate insider, tracked as EVP CORP ADMIN CENTER of Amphastar Pharmaceuticals, Inc. (AMPH). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Yakob Liawatidewi last file a Form 4?
The most recent primary Form 4 on record is dated 18 March 2026, one of 5 filings going back to 2024.
Has Yakob Liawatidewi been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($271K) across all tracked filings.
