CollPlant holder proposes $58.9K share sale

The proposed shares are attributed to a family trust and a partnership, whose trustees and partners are named.

Rhea-AI Filing Summary

CollPlant Biotechnologies Ltd (CLGN) is named as issuer in a Rule 144 notice proposing the sale of 15,550 common shares for the account of Lillian S. Loewenbaum, identified as a 10% stockholder. The notice lists an aggregate market value of $58,934.00. Its remarks attribute 12,000 shares to The Loewenbaum Descendents U/A dated December 1, 1992, with George Walter Loewenbaum and Lillian Shaw Loewenbaum as trustees, and 3,550 shares to The Waterproof Partnership LTD, with them as partners.

Key Figures

Common shares proposed for sale: 15,550 shares Aggregate market value: $58,934.00 Shares outstanding: 12,803,006 shares +2 more

5 metrics

Common shares proposed for sale 15,550 shares Proposed sale

Aggregate market value $58,934.00 Proposed sale

Shares outstanding 12,803,006 shares Figure listed with the proposed sale information

Shares attributed to The Loewenbaum Descendents U/A 12,000 shares Trust account

Shares attributed to The Waterproof Partnership LTD 3,550 shares Partnership account

Key Terms

Rule 144, 10% Stockholder, Open Market Purchase

3 terms

Rule 144 regulatory

"paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

10% Stockholder regulatory

"10% Stockholder"

Open Market Purchase financial

"Open Market Purchase"

An open market purchase is when a company buys its own shares on public stock exchanges the same way any investor would, rather than through a private deal. Investors care because these purchases reduce the number of shares available, can boost earnings per share and share price, signal that management thinks the stock is undervalued, and use company cash that might otherwise go to reinvestment or dividends — like a business quietly buying back its own tickets at the box office.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many CLGN shares are proposed for sale?

The notice lists a proposed sale of 15,550 common shares with an aggregate market value of $58,934.00.

Who is listed as selling CLGN shares?

Lillian S. Loewenbaum is named as the person for whose account the shares are to be sold and is identified as a 10% stockholder. The remarks attribute 12,000 shares to The Loewenbaum Descendents U/A dated December 1, 1992, with George Walter Loewenbaum and Lillian Shaw Loewenbaum as trustees, and 3,550 shares to The Waterproof Partnership LTD, with them as partners.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/27/2026 - 11:26 AM EDT Accepted by SEC EDGAR 10/27/2026 - 11:25 AM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001788316
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	CollPlant Biotechnologies Ltd
SEC File Number	001-38370
Address of Issuer	4 OPPENHEIMER ST., 11TH FLOOR WEIZMANN SCIENCE PARK REHOVOT ISRAEL 7670104
Phone	972-73-232-5600
Name of Person for Whose Account the Securities are To Be Sold	Loewenbaum Lilian S.
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	10% Stockholder

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Charles Schwab Corp 3000 Schwab Way Westlake TX 76262	15550	58934.00	12803006	10/27/2026	Nasdaq

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	11/18/2020	Open Market Purchase	Open Market			1901	11/18/2020	Cash
Common	12/23/2022	Open Market Purchase	Open Market			3050	12/23/2022	Cash
Common	07/14/2020	Open Market Purchase	Open Market			650	07/14/2020	Cash
Common	09/01/2023	Open Market Purchase	Open Market			2	09/01/2023	Cash
Common	06/17/2025	Open Market Purchase	Open Market			3494	06/17/2025	Cash
Common	06/18/2025	Open Market Purchase	Open Market			903	06/18/2025	Cash
Common	07/11/2025	Open Market Purchase	Open Market			1000	07/11/2025	Cash
Common	07/14/2025	Open Market Purcahse	Open Market			1000	07/14/2025	Cash
Common	09/24/2000	Open Market Purchase	Open Market			695	09/24/2000	Cash
Common	12/31/2022	Open Market Purchase	Open Market			1976	12/31/2022	Cash
Common	03/25/2024	Open Market Purchase	Open Market			379	03/25/2024	Cash
Common	07/18/2024	Open Market Purchase	Open Market			500	07/18/2024	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks	Title: The Loewenbaum Descendents U/A DTD 12/01/1992 George Walter Loewenbaum and Lillian Shaw Loewenbaum as trustees - 12,000 shares Title: The Waterproof Partnership LTD - George Walter Loewenbaum and Lillian Shaw Loewenbaum as partners - 3,550
Date of Notice	10/27/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Lillian S. Loewenbaum
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)