Massimo Group (MAMO) Insider Ownership

Historic Insider Ownership Trends

As of May 04, 2026, the three largest insider holders of MAMO are David Shan (Chief Executive Officer, 32.16Mn shares), Yunhao Chen (Chief Financial Officer, 133.33K shares), Michael Glenn Smith (Vice President, 50.00K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
David Shan Chief Executive Officer 32,160,000 0 02 Jun, 2025
Yunhao Chen Chief Financial Officer 133,334 0 02 Jun, 2025
Michael Glenn Smith Vice President 50,000 0 02 Jun, 2025
Paolo Pietrogrande - 9,000 0 03 Jun, 2025
Mark Sheffield - 9,000 0 02 Jun, 2025
Ting Zhu - 9,000 0 02 Jun, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
29 May, 2025 Paolo Pietrogrande Common Stock A 2,250 $0.00 9,000 D A
29 May, 2025 Ting Zhu Common Stock A 2,250 $0.00 9,000 D A
29 May, 2025 Yunhao Chen Common Stock A 25,000 $0.00 133,334 D A
29 May, 2025 Mark Sheffield Common Stock A 2,250 $0.00 9,000 D A
29 May, 2025 David Shan Common Stock A 37,500 $0.00 32,160,000 D A
29 May, 2025 Michael Glenn Smith Common Stock A 25,000 $0.00 50,000 D A
20 Mar, 2025 Paolo Pietrogrande Common Stock A 2,250 $0.00 6,750 D A
20 Mar, 2025 Mark Sheffield Common Stock A 2,250 $0.00 6,750 D A
20 Mar, 2025 Ting Zhu Common Stock A 2,250 $0.00 6,750 D A
02 Jan, 2025 Mark Sheffield Common Stock A 50 - 4,917 D P
22 Nov, 2024 David Shan Common Stock A 37,500 $0.00 32,122,500 D A
02 Dec, 2024 Yunhao Chen Common Stock A 27,778 $0.00 108,334 D A
22 Nov, 2024 Paolo Pietrogrande Common Stock A 2,250 $0.00 4,500 D A
22 Nov, 2024 Ting Zhu Common Stock A 2,250 $0.00 4,500 D A
22 Nov, 2024 Mark Sheffield Common Stock A 2,250 $0.00 4,500 D A
22 Nov, 2024 David Shan Common Stock A 37,500 $0.00 34,037,500 D A
22 Nov, 2024 Michael Glenn Smith Common Stock A 25,000 $0.00 25,000 D A
22 Nov, 2024 Yunhao Chen Common Stock A 25,000 $0.00 80,556 D A
22 Aug, 2024 Ting Zhu Common Stock A 2,250 $0.00 2,250 D A
22 Aug, 2024 Paolo Pietrogrande Common Stock A 2,250 $0.00 2,250 D A