As of November 6, 2026, CollPlant Biotechnologies Ltd is a publicly traded company (Nasdaq: CLGN). The largest holder reporting an active stake on Schedule 13D is Loewenbaum Lilian S., at 17.5%. No bankruptcy or receivership appears in its SEC Form 8-K filings. Passive holders reporting on Schedule 13G include Ami Sagy (5.7%) (Schedule 13D/A, August 21, 2026).
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Is CollPlant Biotechnologies Ltd a real, registered company?
- CollPlant Biotechnologies Ltd. files with the SEC under CIK 1631487 (its SEC filings).
- Its shares are listed under the ticker CLGN on Nasdaq (SEC company record).
- Incorporated in L3; business address in Rehovot, L3, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under CollPlant Biotechnologies Ltd in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Ami Sagy (filed 2026-10-08).
Who are CollPlant Biotechnologies Ltd's owners and officers?
CollPlant Biotechnologies Ltd: business address in Rehovot, L3; industry Orthopedic, Prosthetic & Surgical Appliances & Supplies (Form D, 2026-10-22).
Officers and directors, each with the role and the filing that names them:
- : Executive Officer, Director (Form D, 2026-10-22)
- : Executive Officer (Form D, 2026-10-22)
- : Executive Officer (Form D, 2026-10-22)
- : Executive Officer (Form D, 2026-10-22)
- : Executive Officer (Form D, 2026-10-22)
- : Executive Officer (Form D, 2026-10-22)
- : Executive Officer (Form D, 2026-10-22)
- : Executive Officer, Director (Form D, 2026-10-22)
- : Director (Form D, 2026-10-22)
- : Director (Form D, 2026-10-22)
- : Director (Form D, 2026-10-22)
- : Director (Form D, 2026-10-22)
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-10-08 | Ami Sagy | 5.7% |
| Schedule 13D/A, 2026-10-08 | Ami Sagy | 5.7% |
| Schedule 13D/A, 2026-08-21 | Loewenbaum Lilian S. | 17.5% |
| Schedule 13D/A, 2026-07-31 | Loewenbaum Lilian S. | 25% |
| Schedule 13D/A, 2026-07-27 | Loewenbaum Lilian S. | 10.2% |
| Schedule 13D/A, 2025-11-28 | Ami Sagy | 12.9% |
| Schedule 13D/A, 2025-11-07 | Loewenbaum Lilian S. | 9.9% |
| Schedule 13D/A, 2025-10-20 | Loewenbaum Lilian S. | 9.9% |
| Schedule 13D, 2025-09-30 | Loewenbaum Lilian S. | 9.9% |
Questions about who owns CollPlant Biotechnologies Ltd
Who owns CollPlant Biotechnologies Ltd?
On this page, 2 holders' latest ownership filings report 5% or more of CollPlant Biotechnologies Ltd: Loewenbaum Lilian S. (17.5%, Schedule 13D/A, filed 2026-08-21) and Ami Sagy (5.7%, Schedule 13G, filed 2026-10-08).
Who are the largest shareholders of CollPlant Biotechnologies Ltd?
By the share each holder's latest filing reports, the largest holders of CollPlant Biotechnologies Ltd on this page are Loewenbaum Lilian S. (17.5%) and Ami Sagy (5.7%).
When did Loewenbaum Lilian S. buy into CollPlant Biotechnologies Ltd?
The filings give report dates, not purchase dates. The earliest filing from Loewenbaum Lilian S. on this page is the Schedule 13D, filed 2025-09-30, reporting 9.9%; its latest, Schedule 13D/A filed 2026-08-21, reports 17.5%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 9 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Which insiders own CollPlant Biotechnologies Ltd shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chief executive and chief financial officer: 516,372 shares (4.0% of shares outstanding) (Form 4, 2026-09-08).
- , a director: 330,554 shares (2.6% of shares outstanding), 315,554 held directly and 15,000 indirectly (Form 3, 2026-04-27).
- , the vice president legal: 206,441 shares (1.6% of shares outstanding) (Form 4, 2026-09-08).
- , a director: 66,501 shares (0.52% of shares outstanding) (Form 3, 2026-10-19).
- , the chief executive and a director: 31,137 shares (0.24% of shares outstanding) (Form 3, 2026-03-19).
Shares outstanding: 12,803,006 as of 2025-12-31, from the company's latest SEC cover page.
How much has CollPlant Biotechnologies Ltd raised?
| Filed | Sold | Offered |
|---|---|---|
| Form D, 2026-10-22 | $9.25M | $9.25M |
| Form D, 2026-07-20 | $10.40M | $10.40M |
| Form D, 2026-02-17 | $4M | $4M |
| Form D, 2025-06-04 | $3.87M | $3.87M |
Latest IPO step: CollPlant Biotechnologies Ltd amended its IPO registration (F-1/A, 2026-04-15).
IPO filings: F-1/A, 2026-04-15, F-1, 2026-03-30, F-1, 2025-06-17; ticker CLGN on Nasdaq Capital Market.
Keep reading
More on CollPlant Biotechnologies Ltd and the records around it.
CollPlant Biotechnologies Ltd elsewhere on the record
- Company profile and every filing Oct 2026
- Form D filing Oct 2026
- 5%+ stake filings Oct 2026
- Form D filing Jul 2026
Related pages
Funding and filing history5%+ holders
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