FDA Investigator

Michael Z Weigman

Latest inspection on record: Holly Hill, United States, June 2026 · records back to 2025

Human DrugsAnimal Drugs & Feeds

FDA inspection record · Last updated August 15, 2026

Overview

  • 15 inspections across 15 sites are on record.
  • 70 Form 483 observations are attributed to this investigator.
  • Most recent recorded activity is 2026-06-12.

At a glance

Inspections

15

Sites

15

Observations

70

Career since

Mar 2025

Recent inspections

Most recent inspections in the published record.

SiteDateCategoryForm 483
Inspec Solutions LLC12 Jun 2026Human DrugsView 483 →
PQ Pharmacy LLC1 Jun 2026Human DrugsView 483 →
Lilly del Caribe, Inc.12 May 2026Human Drugs
Charles River Laboratories, Inc.27 Mar 2026Human DrugsView 483 →
Airgas USA LLC13 Feb 2026Human DrugsOn file

Sites inspected

Inspec Solutions LLCHolly Hill, United States1 insp.
PQ Pharmacy LLCBrooksville, United States1 insp.
Lilly del Caribe, Inc.Carolina, United States1 insp.
Charles River Laboratories, Inc.Charleston, United States1 insp.
Airgas USA LLCOrlando, United States1 insp.

Co-investigators

Investigators who share inspections with this person.

Jeffrey T Prosterman1 shared

Full investigator report

Get the verbatim findings behind Michael Z Weigman's 70 observations

Source 483 PDFs, verbatim observations, and how each site responded, so your team knows what they cite before they arrive.

  • New inspections and Form 483s, mapped to the CFR citation
  • Warning letter outcomes, and the citation patterns they repeat
  • Their co-investigators, so no surprises about who shows up on site