Comparable stake leader
AUROUS VERTEX LTD
SEC ownership of Professional Diversity Network, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001546296.
Disclosed value leader
Cosmic Forward Ltd
Comparable rows
13/28
Latest evidence
31 Mar 2026
- Public ticker
- IPDN on Nasdaq
- Parsed ownership sources
-
3/4/5, 13D/G, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
AUROUS VERTEX LTD
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
13 of 28
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
AUROUS VERTEX LTD
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
31 Mar 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001546296
- Issuer location
- Chicago, IL
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Professional Diversity Network, 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
AUROUS VERTEX LTD
Disclosed value leader
Cosmic Forward Ltd
Comparable rows
13/28
Latest evidence
31 Mar 2026
3/4/5
13D/G
13F
Lead comparable stake: 17%
15 rows are not safely comparable across share classes.
13D/G row: AUROUS VERTEX LTD
Showing 1-8 of 28 holder rows.
Quick read
AUROUS VERTEX LTD leads the comparable SEC ownership view at 17%.
13 of 28 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 AUROUS VERTEX LTD's linked filing trail.
Comparable ownership
Top 5
AUROUS VERTEX LTD
17%
Koala Malta Ltd
13%
Streeterville Capital LLC
9.9%
ARMISTICE CAPITAL, LLC
5%
GEODE CAPITAL MANAGEMENT, LLC
1.7%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 28 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| AUROUS VERTEX LTD |
3/4/5
13D/G
10%+ Owner
|
17%
from 13D/G
|
$1,237,500
2,500,000 shares
|
— | 16 Jan 2025 |
| Koala Malta Ltd |
13D/G
|
13%
|
$479,941
1,999,755 shares
|
$0 | 24 Dec 2024 |
| Streeterville Capital LLC |
13D/G
|
9.9%
|
$539,480
247,468 shares
|
$0 | 05 Sep 2025 |
| ARMISTICE CAPITAL, LLC |
13D/G
|
5%
|
$163,465
103,459 shares
|
$0 | 31 Mar 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
1.7%
|
$47,830
41,591 shares
|
— | 31 Mar 2026 |
| VANGUARD FIDUCIARY TRUST CO |
13F
Company
|
0.93%
|
$26,778
23,285 shares
|
— | 31 Mar 2026 |
| UBS Group AG |
13F
Company
|
0.56%
|
$16,097
13,997 shares
|
— | 31 Mar 2026 |
| NORTHERN TRUST CORP |
13F
Company
|
0.46%
|
$13,271
11,540 shares
|
— | 31 Mar 2026 |
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 10 Aug 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 1-18 of 18 reporting-owner rows connected to Professional Diversity Network, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
18
Largest Forms 3/4/5 holder
Cosmic Forward Ltd
Net 12M change
$0
Latest report
16 Jan 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Cosmic Forward Ltd | 10%+ Owner | $22,098,573 | Mixed | 30 Oct 2021 | ||
| Hongjun Chen | 10%+ Owner | $9,999,998 | Mixed | 20 Dec 2022 | ||
| AUROUS VERTEX LTD | 10%+ Owner | $1,237,500 | Mixed | 16 Jan 2025 | ||
| Xin He | CEO, 10%+ Owner | $809,300 | Mixed | 01 Jul 2024 | ||
| Hao Zhang | Director | $49,732 | Mixed | 15 Jun 2023 | ||
| Grace Reyes | Director | $41,893 | Mixed | 03 Jun 2022 | ||
| Michael D. Belsky | Director | $39,600 | Mixed | 15 Jun 2023 | ||
| Michael John Hall | Evp | $34,363 | Mixed | 03 Jun 2022 | ||
| Courtney C. Shea | Director | $30,119 | Mixed | 15 Jun 2023 | ||
| Larry S. Aichler | Chief Financial Officer | $28,574 | Mixed | 19 Jul 2023 | ||
| Chad Hoersten | Cto | $25,320 | Mixed | 03 Jun 2022 | ||
| Haibin Gong | Director | $24,828 | Mixed | 14 Jun 2021 | ||
| Russell J. Esquivel Jr. | Svp | $18,086 | Mixed | 03 Jun 2022 | ||
| Xianfang Liu | Director | $18,015 | Mixed | 15 Jun 2023 | ||
| Christopher Renn | Director | $16,973 | Mixed | 15 Jun 2023 | ||
| Megan Elizabeth Bozzuto | Svp | $13,565 | Mixed | 03 Jun 2022 | ||
| Katherine Sue Lauderdale | Director | Mixed | 07 Nov 2024 | |||
| Yu-Jin Chou | Secretary | Mixed | 06 Jun 2023 |
Recent insider transactions for Professional Diversity Network, 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.