SCHEDULE 13D/A

COLLPLANT BIOTECHNOLOGIES LTD SHS NEW

Ordinary Shares, par value NIS 1.5 per share · CUSIP: 19516R107

Event date: 2025-11-06

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Loewenbaum Lilian S.Reported CIK 0001788316

  Shares: 186,289.00 · Class: 1.5%

• George Walter Loewenbaum

  Shares: 1,256,056.00 · Class: 9.9%

• Elizabeth S. Loewenbaum

  Shares: 20,688.00 · Class: 0.2%

• The Loewenbaum 1992 Trust

  Shares: 170,000.00 · Class: 1.3%

• The Waterproof Partnership, Ltd.

  Shares: 35,000.00 · Class: 0.3%

• The Loewenbaum Residence Trust FBO Anna Loewenbaum

  Shares: 15,000.00 · Class: 0.1%

• The Elizabeth Scott Loewenbaum 1992 Trust

  Shares: 15,000.00 · Class: 0.1%

• Patrick Chalmers

  Shares: 5,100.00 · Class: 0.1%

• Reginald J. HargroveReported CIK 0001788390

  Shares: 272,788.00 · Class: 2.2%

• Nachum Shamir

  Shares: 29,298.00 · Class: 0.2%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.