Industry - Telephone & Telegraph Apparatus

Include option trades

Include indirect trades

Latest data: 1/29/2026 10:05:26 PM

1 Month

Buy/Sell Ratio 0.00

0%

100%

Buy	Sell
--	($32.90) M
0 Insiders	7 Insiders
0 Transactions	9 Transactions

12/29/2025 to 1/29/2026

3 Month

Buy/Sell Ratio 0.01

1%

99%

Buy	Sell
$750,354	($55.35) M
4 Insiders	15 Insiders
4 Transactions	26 Transactions

10/29/2025 to 1/29/2026

6 Month

Buy/Sell Ratio 0.01

0%

100%

Buy	Sell
$750,354	($86.05) M
4 Insiders	23 Insiders
4 Transactions	57 Transactions

7/29/2025 to 1/29/2026

12 Month

Buy/Sell Ratio 0.05

4%

96%

Buy	Sell
$4.75 M	($103.38) M
6 Insiders	35 Insiders
6 Transactions	105 Transactions

1/29/2025 to 1/29/2026

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months

Name	Value	Transactions
Yu Cao FiEE, Inc.	$2,600,000	1
Bin Hu FiEE, Inc.	$1,400,001	1
Roth Ronald G Clearfield, Inc.	$300,600	1
Stanton Thomas R ADTRAN Holdings, Inc.	$300,002	1
Theodosopoulos Nikos ADTRAN Holdings, Inc.	$100,429	1
Santo Timothy P ADTRAN Holdings, Inc.	$49,323	1

Most Insider Selling

12 months

Name	Value	Transactions
Smith Gary B Ciena Corp	($36,225,601)	23
Grady Seamus Fabrinet	($13,169,227)	2
Gill Harpal Fabrinet	($9,526,172)	2
Sverha Csaba Fabrinet	($7,654,928)	2
Phipps Jason Ciena Corp	($6,903,344)	4
Olson Rollance E. Fabrinet	($3,567,040)	2
Rothenstein David M Ciena Corp	($3,473,214)	11
Cumello Joseph Ciena Corp	($3,171,334)	3
Gallagher Patrick Ciena Corp	($2,642,486)	1
Archer Edward T. Fabrinet	($2,253,905)	2

Most Unique Insiders Buying (>25K)

12 months

Name	Unique insiders	Total Trades
ADTRAN Holdings, Inc.	3	3
FiEE, Inc.	2	2
Clearfield, Inc.	1	1

Most Unique Insiders Selling (>25K)

12 months

Name	Unique insiders	Total Trades
Ciena Corp	10	62
Fabrinet	8	16
Netgear, Inc.	8	12
Sonim Technologies Inc	4	4
Clearfield, Inc.	1	3
Franklin Wireless Corp	1	1

Companies with activity

	1 Month			6 Month			12 Month
Name	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $
Ciena Corp	0.00	$0	($32,903,984)	0.00	$0	($50,271,839)	0.00	$0	($58,895,313)
Voip-Pal.Com Inc	--	$0	$0	0.00	$0	($7,600)	0.00	$0	($7,600)
Netgear, Inc.	--	$0	$0	0.00	$0	($977,948)	0.00	$0	($1,926,574)
Clearfield, Inc.	--	$0	$0	--	$300,600	$0	0.17	$300,600	($1,795,280)
ADTRAN Holdings, Inc.	--	$0	$0	--	$449,754	$0	--	$449,754	$0
Fabrinet	--	$0	$0	0.00	$0	($34,793,061)	0.00	$0	($39,835,020)
Franklin Wireless Corp	--	$0	$0	--	$0	$0	0.00	$0	($746,000)
Sonim Technologies Inc	--	$0	$0	--	$0	$0	0.00	$0	($176,926)
FiEE, Inc.	--	$0	$0	--	$0	$0	--	$4,000,001	$0