Overview
- 13 inspections across 13 sites are on record.
- 56 Form 483 observations are attributed to this investigator.
- Most recent recorded activity is 2026-05-12.
At a glance
Inspections
13
Sites
13
Observations
56
Career since
Mar 2025
Recent inspections
Most recent inspections in the published record.
| Site | Date | Category | Form 483 |
|---|---|---|---|
| Lilly del Caribe, Inc. | 12 May 2026 | Human Drugs | |
| Charles River Laboratories, Inc. | 27 Mar 2026 | Human Drugs | View 483 → |
| Airgas USA LLC | 13 Feb 2026 | Human Drugs | On file |
| Hit Promotional Products Inc. | 28 Jan 2026 | Human Drugs | View 483 → |
| RWM Technologies LLC | 12 Dec 2025 | Human Drugs | View 483 → |
Sites inspected
Lilly del Caribe, Inc.Carolina, United States1 insp.
Charles River Laboratories, Inc.Charleston, United States1 insp.
Airgas USA LLCOrlando, United States1 insp.
Hit Promotional Products Inc.Saint Petersburg, United States1 insp.
RWM Technologies LLCChattanooga, United States1 insp.
Co-investigators
Investigators who share inspections with this person.
Ronda R Loyd Jones3 shared
Mabany Lizardi2 shared
Kayla V Sprague1 shared
Marian E Ramirez1 shared
Jennifer Lalama1 shared
Jeffrey T Prosterman1 shared
Mickell Smith1 shared
Stephon D Tillis1 shared
Damaris Y Hernandez1 shared
Gretchen M Laws1 shared
Full investigator report
Get the verbatim findings behind Michael Z Weigman's 56 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