Live feed
Filing
SC 13D/A
SC 13D/A0001213900-20-008378·ARMSTRONG R DOUGLAS PHD
Schedule 13D ownership disclosure
PRECISION THERAPEUTICS INC
Security class unavailable · CUSIP: 74033P100
Event date: 2020-03-12
Legacy cover-page extraction is best effort and may not include every reporting person.
- Filing-level shares
- Unavailable
- Percent of class
- 3.6100%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0001213900-20-008378
- Form type
- SC 13D/A
- Filer
- ARMSTRONG R DOUGLAS PHD
- CIK
- CIK 1052775
- Filed
- Apr 01, 2020
- Reporting period
- Mar 12, 2020
- Description
- Schedule 13D beneficial ownership