SEC ownership of Professional Diversity Network, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001546296.

Comparable stake leader

AUROUS VERTEX LTD

Disclosed value leader

Cosmic Forward Ltd

Comparable rows

4/28

Latest evidence

13 Oct 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
4 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
13 Oct 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001546296
Issuer location
Chicago, IL

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
4/28
Latest evidence
13 Oct 2026
3/4/5 13D/G 13F Lead comparable stake: 17% 24 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%.

4 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 4
AUROUS VERTEX LTD 17%
Koala Malta Ltd 13%
Streeterville Capital LLC 9.9%
ARMISTICE CAPITAL, LLC 5%

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%
Reported 13D/G · 24 Mar 2025
$1,237,500
2,500,000 shares
— 16 Jan 2025
Koala Malta Ltd
13D/G
13%
Reported 13D/G · 24 Dec 2024
$479,941
1,999,755 shares
$0 24 Dec 2024
Streeterville Capital LLC
13D/G
9.9%
Reported 13D/G · 13 Oct 2026
—
1,443,587 shares
$0 13 Oct 2026
ARMISTICE CAPITAL, LLC
13D/G
5%
Reported 13D/G · 31 Mar 2025
$163,465
103,459 shares
$0 31 Mar 2025
Cosmic Forward Ltd
3/4/5
10%+ Owner
—
denominator unverified
$22,098,573
5,139,203 shares
— 30 Oct 2021
Hongjun Chen
3/4/5
10%+ Owner
—
denominator unverified
$9,999,998
2,325,581 shares
— 20 Dec 2022
Xin He
3/4/5
CEO, 10%+ Owner
—
mixed-class rows
$809,300
1,616,876 shares
mixed-class rows
— 01 Jul 2024
Hao Zhang
3/4/5
Director
—
denominator unverified
$49,732
54,995 shares
— 15 Jun 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

No eligible buy or sell activity is available for this window. No eligible Buy or Sell transactions are available in this dataset since 07 Nov 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.
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