Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
Loewenbaum Lilian S. - 06 Nov 2025 SCHEDULE 13D/A Report for CollPlant Biotechnologies Ltd Ordinary Shares, par value NIS 1.5 per share (CLGN)
- Filing manager
- Loewenbaum Lilian S.
- Reporting owner
- George Walter Loewenbaum
- Beneficially owned shares
- 1,256,056 shares
- Large-stake signal
-
Ownership
9.9%Beneficial ownership of this reported class.
Shares
1,256,056 sharesShares beneficially owned as disclosed.
Event date
06 Nov 2025Date tied to the ownership event or amendment.
Accepted by SEC
07 Nov 2025EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 9.9%
- Symbol
- CLGN
- Shares outstanding
- 12,687,434 shares
- SEC form
- SCHEDULE 13D/A
- Accepted by SEC
- 07 Nov 2025, 09:23:49 UTC
- Event date
- 06 Nov 2025
- Prior SEC filing
- 20 Oct 2025
- Next SEC filing
- 27 Jul 2026
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
2 source fields
Source evidence
Original filing metadata and source links for verification.
6 source fields
Key filing fact
Loewenbaum Lilian S. disclosed 9.9% ownership in CollPlant Biotechnologies Ltd Ordinary Shares, par value NIS 1.5 per share (CLGN) on 06 Nov 2025.
Key facts
- Loewenbaum Lilian S. filed SCHEDULE 13D/A for CollPlant Biotechnologies Ltd Ordinary Shares, par value NIS 1.5 per share (CLGN).
- Disclosed ownership: 9.9%.
- Date of event: 06 Nov 2025.
Change
- Previous schedule filing date: 20 Oct 2025.
- Current filing was accepted on 07 Nov 2025, 09:23.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (10)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares owned | Sole voting power | Shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Loewenbaum Lilian S. | 1.5% | 186,289 | 186,289 | 0 | /s/ Lillian S. Loewenbaum | Lillian S. Loewenbaum | 0001788316 |
| George Walter Loewenbaum | 9.9% | 1,256,056 | 1,256,056 | 0 | /s/ George Walter Loewenbaum | George Walter Loewenbaum | |
| Elizabeth S. Loewenbaum | 0.2% | 20,688 | 20,688 | 0 | /s/ Elizabeth Loewenbaum | Elizabeth Loewenbaum | |
| The Loewenbaum 1992 Trust | 1.3% | 170,000 | 170,000 | 0 | /s/ George Walter Loewenbaum | George Walter Loewenbaum/Trustee | |
| The Waterproof Partnership, Ltd. | 0.3% | 35,000 | 35,000 | 0 | /s/ George Walter Loewenbaum | George Walter Loewenbaum/General Partner | |
| The Loewenbaum Residence Trust FBO Anna Loewenbaum | 0.1% | 15,000 | 15,000 | 0 | /s/ George Walter Loewenbaum | George Walter Loewenbaum/Trustee | |
| The Elizabeth Scott Loewenbaum 1992 Trust | 0.1% | 15,000 | 15,000 | 0 | /s/ George Walter Loewenbaum | George Walter Loewenbaum/Trustee | |
| Patrick Chalmers | 0.1% | 5,100 | 5,100 | 0 | /s/ Patrick Chalmers | Patrick Chalmers | |
| Reginald J. Hargrove | 2.2% | 272,788 | 28,100 | 244,688 | /s/ Reginald J. Hargrove | Reginald J. Hargrove | 0001788390 |
| Nachum Shamir | 0.2% | 29,298 | 29,298 | 0 | /s/ Nachum Shamir | Nachum Shamir |
CIK / CUSIP context first