Key facts
- Joseph M. Manko Jr. has 5 issuer positions tracked on this page.
- Estimated disclosed ownership value: $42,440,972.
- Recent insider filing activity is available below.
Reporting Owner Activity for Joseph M. Manko Jr.
- Location
- Philadelphia, PA
- Ownership summary
-
The estimated value of Joseph M. Manko Jr.'s disclosed insider holdings is at least $42,440,972 as of 18 May 2026.
- Director, 10%+ Owner: KORU Medical Systems, Inc. (KRMD) reported at about $33.98M
- 10%+ Owner: WIRELESS TELECOM GROUP INC reported at about $3.74M
- Director: ONE STOP SYSTEMS, INC. (OSS) reported at about $2.38M
- Director: MYOMO, INC. (MYO) reported at about $2.05M
- Director: SAFEGUARD SCIENTIFICS INC (SFES) reported at about $290.9K
Values are based on parsed SEC Forms 3/4/5 and should be verified against the source filing.
- Signature
- Joseph M. Manko Jr.
- Source filings
- Open source filing history
Follow Filing Activity
Follow Joseph M. Manko Jr. and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean. If you create an account from here, we will bring you back after verification.
Change
- Largest disclosed position: KORU Medical Systems, Inc. ($33,979,883).
- Past-year value change for that position: .
Research use
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Reported issuer positions for Joseph M. Manko Jr.
KRMD
Forms 3/4/5
KORU Medical Systems, Inc.
- Relationship
- Director, 10%+ Owner
- Holdings value
- $33,979,883
- Past year net change
- Change %
- Report period
- 31 Mar 2026
WTT
Forms 3/4/5
WIRELESS TELECOM GROUP INC
- Relationship
- 10%+ Owner
- Holdings value
- $3,739,739
- Past year net change
- Change %
- Report period
- 02 Jul 2021
OSS
Forms 3/4/5
ONE STOP SYSTEMS, INC.
- Relationship
- Director
- Holdings value
- $2,379,839
- Past year net change
- Change %
- Report period
- 13 Aug 2024
MYO
Forms 3/4/5
MYOMO, INC.
- Relationship
- Director
- Holdings value
- $2,050,618
- Past year net change
- +$173,908
- Change %
- +9.3%
- Report period
- 14 May 2026
SFES
Forms 3/4/5
SAFEGUARD SCIENTIFICS INC
- Relationship
- Director
- Holdings value
- $290,893
- Past year net change
- Change %
- Report period
- 30 Jan 2024
Insider Transactions Reported by Joseph M. Manko Jr.:
| Sym | Company | Class | Transaction | % | Reported value | Reported price | Shares | Shares after | Date | Ownership |
|---|
An asterisk next to the price means the reported price is likely invalid.