Exhibit 4
George Walter Loewenbaum
Rocky Point Ventures, LLC
1000 Westbank Dr., Suite #2A
Austin, TX 78746
November 6, 2025
Yahiel Tal
CEO, Director
CollPlant Biotechnologies, Ltd.
4 Oppenheimer St.
P.O. Box 4132
Rehovot 7670104, Israel
Dear Yahiel:
Thank you for visiting with Homi and me yesterday. Upon reflection, Homi and I hereby withdraw our request that you nominate Nachum “Homi” Shamir for CollPlant’s Board of Directors. As shareholders, Homi and I wish all the best for CollPlant’s future.
| Sincerely, | |
| /s/ G Walter Loewenbaum | |
| G. Walter Loewenbaum |
| CC: | Nachum “Homi” Shamir |
| VIA E-MAIL ONLY | |
| Reg Hargrove | |
| Patrick Chalmers | |
| VIA E-MAIL ONLY |
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