Filing Manager
Loewenbaum Lilian S.
Reporting Manager
George Walter Loewenbaum
Symbol
CLGN
Shares outstanding
11,455,321 shares
Disclosed Ownership
1,140,950 shares
Ownership
10%
Form type
SCHEDULE 13G/A
Filing time
28 Jan 2025, 16:04:52 UTC
Date of event
31 Dec 2024
Next filing
30 Sep 2025

Reporting Managers (10)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
George Walter Loewenbaum 10% 1,140,950 1,140,950 0 /s/ George Walter Loewenbaum George Walter Loewenbaum
Lillian S. Loewenbaum 0.78% 89,573 89,573 0 /s/ Lillian S. Loewenbaum Lillian S. Loewenbaum
Elizabeth S. Loewenbaum 0.18% 20,688 20,688 0 /s/ Elizabeth Loewenbaum Elizabeth Loewenbaum
Lillian S. Loewenbaum Grantor Retained Annuity Trust I 0.05% 6,283 6,283 0 /s/ George Walter Loewenbaum George Walter Loewenbaum, Trustee
Lillian S. Loewenbaum Grantor Retained Annuity Trust V 0.09% 10,360 10,360 0 /s/ George Walter Loewenbaum George Walter Loewenbaum, Trustee
Lillian S. Loewenbaum Grantor Retained Annuity Trust VI 0.14% 16,195 16,195 0 /s/ George Walter Loewenbaum George Walter Loewenbaum, Trustee
The Loewenbaum 1992 Trust 0.93% 106,030 106,030 0 /s/ George Walter Loewenbaum George Walter Loewenbaum, Trustee
The Waterproof Partnership, Ltd. 0.31% 35,500 35,500 0 /s/ George Walter Loewenbaum George Walter Loewenbaum, General Partner
The Loewenbaum Residence Trust FBO Anna Loewenbaum 0.1% 11,800 11,800 0 /s/ George Walter Loewenbaum George Walter Loewenbaum, Trustee
The Elizabeth Scott Loewenbaum 1992 Trust 0.1% 11,700 11,700 0 /s/ George Walter Loewenbaum George Walter Loewenbaum, Trustee