Comparable stake leader
David Shan
SEC ownership of Massimo Group
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001952853.
Disclosed value leader
David Shan
Comparable rows
18/18
Latest evidence
31 Mar 2026
- Public ticker
- MAMO 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
-
David Shan
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
18 of 18
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
David Shan
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
- 0001952853
- Issuer location
- Garland, TX
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 Massimo Group (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
David Shan
Disclosed value leader
David Shan
Comparable rows
18/18
Latest evidence
31 Mar 2026
3/4/5
13D/G
13F
Lead comparable stake: 77%
13D/G row: David Shan
Showing 1-8 of 18 holder rows.
Quick read
David Shan leads the comparable SEC ownership view at 77%.
18 of 18 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 David Shan's linked filing trail.
Comparable ownership
Top 5
David Shan
77%
Asia International Securities Exc...
1%
Yunhao Chen
0.33%
Michael Glenn Smith
0.13%
Mark Sheffield
0.02%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 18 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| David Shan |
3/4/5
13D/G
Chief Executive Officer, Director, 10%+ Owner
|
77%
from 13D/G
|
$74,289,600
32,160,000 shares
|
— | 29 May 2025 |
| Asia International Securities Exchange Co., Ltd. |
13D/G
|
1%
|
$1,559,996
399,999 shares
|
$0 | 20 Jun 2025 |
| Yunhao Chen |
3/4/5
Chief Financial Officer
|
0.33%
|
$308,001
133,334 shares
|
— | 29 May 2025 |
| Michael Glenn Smith |
3/4/5
Former Officer
|
0.13%
|
$115,500
50,000 shares
|
— | 29 May 2025 |
| Mark Sheffield |
3/4/5
Director
|
0.02%
|
$20,790
9,000 shares
|
— | 29 May 2025 |
| Paolo Pietrogrande |
3/4/5
Director
|
0.02%
|
$20,790
9,000 shares
|
— | 29 May 2025 |
| Ting Zhu |
3/4/5
Director
|
0.02%
|
$20,790
9,000 shares
|
— | 29 May 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.31%
|
$121,968
122,434 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 14 Jun 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 1-8 of 8 reporting-owner rows connected to Massimo Group. Open a relationship link for the CIK-to-CIK filing trail.
Rows
8
Largest Forms 3/4/5 holder
David Shan
Net 12M change
$0
Latest report
02 Mar 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| David Shan | Chief Executive Officer, Director, 10%+ Owner | $74,289,600 | Mixed | 29 May 2025 | ||
| Yunhao Chen | Chief Financial Officer | $308,001 | Mixed | 29 May 2025 | ||
| Michael Glenn Smith | Former Officer | $115,500 | Mixed | 29 May 2025 | ||
| Paolo Pietrogrande | Director | $20,790 | Mixed | 29 May 2025 | ||
| Mark Sheffield | Director | $20,790 | Mixed | 29 May 2025 | ||
| Ting Zhu | Director | $20,790 | Mixed | 29 May 2025 | ||
| Quenton Petersen | Vice President | Mixed | 01 Mar 2025 | |||
| Mingqiu Xu | Chief Financial Officer | Mixed | 02 Mar 2026 |
Recent insider transactions for Massimo Group
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.