$CLGN

$3.95 +$0.05 (1.28%) Close

$CLGN Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 12.8M shares outstanding

Who owns CLGN?

By type of holder

Institutions 0.0% Insiders 0.0% Everyone else 100.0%

Concentration Top 3 holders own 2.7%

Loewenbaum Lilian S. 1.5% · Ami Sagy 1.3%

Institutional ownership

0.0%

0.0 pts vs last qtr

Institutional holders

0 vs last qtr

Net shares bought

by institutions in Q2 2026

New / sold out

0 / 0

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

None.

Biggest sellers in Q2 2026

None.

Who is planning to sell?

Notices of proposed sale, last 12 months

$58.9K

1 notice from 1 person

Shares covered

15.6K

0.12% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Loewenbaum Lilian S. 10% stockholder $58.9K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2019–FY2025

+144.7%

+16.09% a year

Each share's claim on the business

−59.1%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $8.43M

over 7 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years100% 3–5 years0% 1–3 years0% Under 1 year0%

Quarterly turnover

0.0%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting CLGN on Form 13F

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
PA Parallel Advisors, LLC	71	0.00%	Unchanged		≤2021	0.0%
Shares held by quarter Peak holding3.3K (Q1'25) Change over 8 quarters−3.2K Share of the company0.000% Parallel Advisors, LLC's full portfolio →

Parallel Advisors, LLC

% of company

0.00%

Change vs last qtr

Unchanged

Held since

≤2021

Institutional Funds

Mutual funds and ETFs reporting CLGN on Form N-PORT; together they hold 0.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
CW Christopher Weil and Company Core Investment Fund PFS Funds	$65.7K	6.0K	0.05%	0.07%	February 28, 2023

Christopher Weil and Company Core Investment Fund

PFS Funds

Position value

$65.7K

% of company

0.05%

% of the fund

0.07%

As of

February 28, 2023

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
LL Loewenbaum Lilian S. 5%+ holder 13D · 0.9%	186.3K	1.46%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company1.460% Disclosed stake13D · 0.9% View the 13D/G filing →
AS Ami Sagy 5%+ holder 13D · 5.7%	163.7K	1.28%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company1.280% Disclosed stake13D · 5.7% View the 13D/G filing →

Loewenbaum Lilian S.

5%+ holder13D · 0.9%

186.3K

% of company

1.46%

Change vs last qtr

—

Held since

—

Ami Sagy

5%+ holder13D · 5.7%

163.7K

% of company

1.28%

Change vs last qtr

—

Held since

—

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