Communications Systems Inc (JCS): Billionaire Mario Gabelli’s GAMCO Investors Ups Its Stake

1

Names of reporting persons

I.R.S. identification nos. of above persons (entities only)

Mario J. Gabelli

2

Check the appropriate box if a member of a group (SEE INSTRUCTIONS) (a)

(b)

3

Sec use only

4

Source of funds (SEE INSTRUCTIONS)

00 – private funds

5

Check box if disclosure of legal proceedings is required pursuant to items 2 (d) or 2 (e)

6

Citizenship or place of organization

USA

Number Of

Shares

Beneficially

Owned

By Each

Reporting

Person

With

: 7

:

Sole voting power

9,000 (Item 5)

: 8

:

Shared voting power

None

: 9

:

Sole dispositive power

9,000 (Item 5)

:10

:

Shared dispositive power

None

11

Aggregate amount beneficially owned by each reporting person

9,000 (Item 5)

12

Check box if the aggregate amount in row (11) excludes certain shares

(SEE INSTRUCTIONS) X

13

Percent of class represented by amount in row (11)

0.10%

14

Type of reporting person (SEE INSTRUCTIONS)

IN

Communications Systems Inc (JCS): Billionaire Mario Gabelli’s GAMCO Investors Ups Its Stake

Published on June 3, 2016 at 8:36 pm by Insider Monkey Staff in Hedge Funds, News

Follow Sunation Energy Inc. (NASDAQ:SUNE)

Follow Sunation Energy Inc. (NASDAQ:SUNE)

The $250 Trillion AI Hype is Real. A few years from now, you’ll probably wish you’d bought this stock.

Published on November 14, 2025 at by Inan Dogan, PhD

1	Names of reporting persons I.R.S. identification nos. of above persons (entities only) Mario J. Gabelli
2	Check the appropriate box if a member of a group (SEE INSTRUCTIONS) (a) (b)
3	Sec use only
4	Source of funds (SEE INSTRUCTIONS) 00 – private funds
5	Check box if disclosure of legal proceedings is required pursuant to items 2 (d) or 2 (e)
6	Citizenship or place of organization USA
Number Of Shares Beneficially Owned By Each Reporting Person With		: 7 : : :	Sole voting power 9,000 (Item 5)
		: 8 : : :	Shared voting power None
		: 9 : : :	Sole dispositive power 9,000 (Item 5)
		:10 : : :	Shared dispositive power None
11	Aggregate amount beneficially owned by each reporting person 9,000 (Item 5)
12	Check box if the aggregate amount in row (11) excludes certain shares (SEE INSTRUCTIONS) X
13	Percent of class represented by amount in row (11) 0.10%
14	Type of reporting person (SEE INSTRUCTIONS) IN