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Jack Y. Zhang is CEO & CHIEF SCIENTIFIC OFFICER at Amphstar Pharmaceuticals, Inc.. OQRO lists 12 transactions filed with the SEC under this name, the latest on Mar 17, 2026, each linked to the official Form 4.
CEO & CHIEF SCIENTIFIC OFFICER
Disclosures on record
12
Companies involved
1
Amphstar Pharmaceuticals, Inc.AMPH
12 disclosures · Mar 2026
Mar 15, 20269,784disclosed Mar 17
DetailsOfficial recordMar 15, 20262,908disclosed Mar 17
DetailsOfficial recordMar 9, 2026372Kdisclosed Mar 11
DetailsOfficial recordMar 9, 2026181Kdisclosed Mar 11
DetailsOfficial recordMar 9, 2026149Kdisclosed Mar 11
DetailsOfficial recordMar 10, 202615Kdisclosed Mar 11
DetailsOfficial recordMar 10, 20264,395disclosed Mar 11
DetailsOfficial recordMar 6, 20267,773disclosed Mar 10
DetailsOfficial recordMar 6, 20263,077disclosed Mar 10
DetailsOfficial recordMar 4, 20262,432disclosed Mar 7
DetailsOfficial recordMar 4, 20265,769disclosed Mar 7
DetailsOfficial record