SCHEDULE 13D/A

COLLPLANT BIOTECHNOLOGIES LTD SHS NEW

Ordinary Shares, par value NIS 1.50 per share (including Ordinary Shares represented by American Depositary Shares at a 1-to-1 ratio) · CUSIP: 19516R107

Event date: 2025-11-19

Filing-level shares

1,637,086.00

Percent of class

12.9%

• Ami SagyReported CIK 0001740791

  Shares: 1,637,086.00 · Class: 12.9%

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