Comparable stake leader
WYNNEFIELD PARTNERS SMALL CAP VALUE LP I
SEC ownership of NOS4-1, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001136294.
Disclosed value leader
WYNNEFIELD PARTNERS SMALL CAP VALUE LP I
Comparable rows
0/14
Latest evidence
31 Mar 2023
- Parsed ownership sources
-
3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
WYNNEFIELD PARTNERS SMALL CAP VALUE LP I
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
31 Mar 2023
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001136294
- Issuer location
- Wilmington, DE
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 NOS4-1, 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
WYNNEFIELD PARTNERS SMALL...
Disclosed value leader
WYNNEFIELD PARTNERS SMALL...
Comparable rows
0/14
Latest evidence
31 Mar 2023
3/4/5
Highest disclosed value: $10,794,035
14 rows are not safely comparable across share classes.
Showing 1-8 of 14 holder rows.
Quick read
WYNNEFIELD PARTNERS SMALL CAP VALUE LP I has the largest disclosed position value at $10.79M.
0 of 14 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 WYNNEFIELD PARTNERS SMALL CAP VALUE LP I's linked filing trail.
Disclosed position value
Top 5
WYNNEFIELD PARTNERS SMALL CAP VAL...
$10.79M
Nelson Obus
$7.05M
David A. B. Brown
$964.7K
Tracy D. Pagliara
$701.5K
Robert B. Mills Power
$501.9K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 14 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| WYNNEFIELD PARTNERS SMALL CAP VALUE LP I |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
$10,794,035
8,969,734 shares
mixed-class rows
|
— | 31 Aug 2022 |
| Nelson Obus |
3/4/5
Director, 10%+ Owner
|
—
class O/S missing
|
$7,048,329
6,843,038 shares
|
— | 02 Feb 2023 |
| David A. B. Brown |
3/4/5
Director
|
—
class O/S missing
|
$964,673
936,576 shares
|
— | 02 Feb 2023 |
| Tracy D. Pagliara |
3/4/5
President and CEO, Director
|
—
mixed-class rows
|
$701,517
742,194 shares
mixed-class rows
|
— | 31 Mar 2023 |
| Robert B. Mills Power |
3/4/5
Director
|
—
class O/S missing
|
$501,903
487,284 shares
|
— | 02 Feb 2023 |
| Steven D. Davis |
3/4/5
Director
|
—
class O/S missing
|
$267,225
259,442 shares
|
— | 02 Feb 2023 |
| Mitchell I. Quain |
3/4/5
Director
|
—
class O/S missing
|
$187,633
182,168 shares
|
— | 02 Feb 2023 |
| Randall R. Lay Power |
3/4/5
EVP, Chief Operating Officer
|
—
mixed-class rows
|
$168,239
200,672 shares
mixed-class rows
|
— | 31 Mar 2023 |
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 19 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 1-14 of 14 reporting-owner rows connected to NOS4-1, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
14
Largest Forms 3/4/5 holder
WYNNEFIELD PARTNERS SMALL CAP VALUE LP I
Net 12M change
$0
Latest report
31 Mar 2023
Recent insider transactions for NOS4-1, 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.