Comparable stake leader
Jonathan Jay Waggoner
SEC ownership of MISONIX INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000880432.
Disclosed value leader
—
Comparable rows
0/2
Latest evidence
30 Jun 2021
- Parsed ownership sources
-
3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Jonathan Jay Waggoner
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
30 Jun 2021
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000880432
- Issuer location
- Farmingdale, NY
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of MISONIX INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Jonathan Jay Waggoner
Disclosed value leader
—
Comparable rows
0/2
Latest evidence
30 Jun 2021
3/4/5
Some rows are evidence-backed but not safely comparable across classes.
2 rows are not safely comparable across share classes.
Quick read
SEC ownership evidence is available, but the rows are not safely comparable across share classes.
0 of 2 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Jonathan Jay Waggoner's linked filing trail.
Detailed SEC evidence table Showing 1-2 of 2 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Jonathan Jay Waggoner |
3/4/5
SVP, Wound Sales
|
—
class O/S missing
|
—
15,000 shares
|
— | 30 Jun 2021 |
| Sharon W. Klugewicz |
3/4/5
Chief Operating Officer, Director
|
—
class O/S missing
|
—
15,000 shares
|
— | 30 Jun 2021 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 15 Jul 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-9 of 9 reporting-owner rows connected to MISONIX INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
9
Largest Forms 3/4/5 holder
Stavros G. Vizirgianakis
Net 12M change
$0
Latest report
29 Oct 2021
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Stavros G. Vizirgianakis | President and CEO, Director | Mixed | 29 Oct 2021 | |||
| Robert S. Ludecker | SVP, Global Sales - Marketing | Mixed | 29 Oct 2021 | |||
| Joseph P. Dwyer | Chief Financial Officer | Mixed | 29 Oct 2021 | |||
| Sharon W. Klugewicz | Chief Operating Officer, Director | Mixed | 30 Jun 2021 | |||
| Pat Beyer | Director | Mixed | 29 Oct 2021 | |||
| Jonathan Jay Waggoner | SVP, Wound Sales | Mixed | 30 Jun 2021 | |||
| Thomas M. Patton | Director | Mixed | 29 Oct 2021 | |||
| Michael Koby | Director | Mixed | 29 Oct 2021 | |||
| Paul A. Laviolette | Director | Mixed | 29 Oct 2021 |
Recent insider transactions for MISONIX INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.