Yin Yan

Insider Reports History

Location: Irvine, CA
Signature: /s/ Yin Yan
All insider transactions: Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Yin Yan:

Form 4 holding Chairman and CEO, Director, 10%+ Owner

Marwynn Holdings, Inc.

Security class: Common Stock
Shares / value: 5,993,255
Estimated value: $5,933,322
Report date: 19 Nov 2025
Price: $0.9900
Ownership: Direct

Form 4 holding Chief Executive Officer, Director, 10%+ Owner

Bio Essence Corp

Security class: Common Stock
Shares / value: 82,124
Estimated value: $46,811
Report date: 30 Oct 2024
Price: $0.5700
Ownership: Direct

Form 4 holding Chairman and CEO, Director, 10%+ Owner

Marwynn Holdings, Inc.

Security class: Common Stock
Shares / value: 0
Estimated value: $0
Report date: 19 Nov 2025
Price: $0.5100
Ownership: By Spouse

Insider Reports Filed by Yin Yan

4 MWYN

Marwynn Holdings, Inc.

Report period: 19 Nov 2025
Transactions: 1
Transaction value: -$906,387
Filing time: 21 Nov 2025, 16:59
Role: Chairman and CEO, Director, 10%+ Owner
Next action: Open filing details

3 MWYN

Marwynn Holdings, Inc.

Report period: 11 Mar 2025
Transactions: 0
Transaction value: $0
Filing time: 18 Mar 2025, 13:46
Role: President and CEO, Director, 10%+ Owner
Next action: Open filing details

4 BIOE

Bio Essence Corp

Report period: 28 Oct 2024
Transactions: 3
Transaction value: -$455,192
Filing time: 18 Nov 2024, 16:55
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 BIOE

Bio Essence Corp

Report period: 11 Jul 2024
Transactions: 4
Transaction value: -$106,814
Filing time: 10 Oct 2024, 21:22
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4/A BIOE

Bio Essence Corp

Report period: 02 Jul 2024
Transactions: 3
Transaction value: -$1,930,797
Filing time: 10 Oct 2024, 17:03
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4/A BIOE

Bio Essence Corp

Report period: 06 Jun 2023
Transactions: 1
Transaction value: +$2,500,000
Filing time: 11 Oct 2024, 13:57
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

3 BIOE

Bio Essence Corp

Report period: 08 Dec 2017
Transactions: 0
Transaction value: $0
Filing time: 03 Jun 2024, 16:01
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

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