Industry - Telephone & Telegraph Apparatus

Include option trades

Include indirect trades

Latest data: 3/17/2026 10:06:20 PM

1 Month

Buy/Sell Ratio 0.00

0%

100%

Buy	Sell
--	($4.39) M
0 Insiders	5 Insiders
0 Transactions	6 Transactions

2/17/2026 to 3/17/2026

3 Month

Buy/Sell Ratio 0.00

0%

100%

Buy	Sell
--	($41.36) M
0 Insiders	11 Insiders
0 Transactions	20 Transactions

12/17/2025 to 3/17/2026

6 Month

Buy/Sell Ratio 0.01

1%

99%

Buy	Sell
$750,354	($67.52) M
4 Insiders	21 Insiders
4 Transactions	48 Transactions

9/17/2025 to 3/17/2026

12 Month

Buy/Sell Ratio 0.04

4%

96%

Buy	Sell
$4.75 M	($105.87) M
6 Insiders	35 Insiders
6 Transactions	104 Transactions

3/17/2025 to 3/17/2026

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	($37,854,328)	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
Rothenstein David M Ciena Corp	($5,086,212)	13
Olson Rollance E. Fabrinet	($3,567,040)	2
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	63
Fabrinet	8	17
Netgear, Inc.	7	11
DNA X, Inc.	4	4
Clearfield, Inc.	1	1
ADTRAN Holdings, Inc.	1	1
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	($2,970,718)	0.00	$0	($52,249,000)	0.00	$0	($62,083,305)
Fabrinet	0.00	$0	($1,154,131)	0.00	$0	($14,274,912)	0.00	$0	($40,989,151)
ADTRAN Holdings, Inc.	0.00	$0	($148,238)	3.03	$449,754	($148,238)	3.03	$449,754	($148,238)
Clearfield, Inc.	0.00	$0	($115,040)	2.61	$300,600	($115,040)	2.61	$300,600	($115,040)
Voip-Pal.Com Inc	--	$0	$0	0.00	$0	($7,600)	0.00	$0	($7,600)
Netgear, Inc.	--	$0	$0	0.00	$0	($724,502)	0.00	$0	($1,606,291)
Franklin Wireless Corp	--	$0	$0	--	$0	$0	0.00	$0	($746,000)
DNA X, Inc.	--	$0	$0	--	$0	$0	0.00	$0	($176,926)
FiEE, Inc.	--	$0	$0	--	$0	$0	--	$4,000,001	$0