Bruce L. Claflin

CIEN

Bruce L. Claflin serves as director at Ciena Corporation (CIEN). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

4 trades

$3.75M

Net Position

Net Seller

$3.75M

Companies Traded

CIEN, IDXX

Active Period

May 2024 – Sep 2026

4 total trades

Most Recent

Sell CIEN

Sep 28, 2026 · $1.02M

Bruce L. Claflin's Insider Trading at Ciena Corporation (CIEN)

Buys

0 · $0.00

Sells

3 · $3.64M

Total Shares Bought

Total Shares Sold

28,230

CIEN Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Sep 28, 2026	Sell	2,857	$355.91	$1.02M	8,279
Sep 24, 2025	Sell	8,461	$140.12	$1.19M	0
Jan 6, 2025	Sell	16,912	$84.96	$1.44M	0

Bruce L. Claflin's Insider Trading at IDEXX Laboratories, Inc. (IDXX)

Buys

0 · $0.00

Sells

1 · $108.2K

Total Shares Bought

Total Shares Sold

200

IDXX Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
May 20, 2024	Sell	200	$540.80	$108.2K	161

Related Insiders

Brodie Gage

SVP Global Products & Supply

CIENSell · Oct 19, 2026

SMITH GARY B

President, CEO

CIENSell · Oct 19, 2026

Dino DiPerna

SVP Global R&D

CIENSell · Oct 19, 2026

David M Rothenstein

SVP and Chief Strategy Officer

CIENSell · Oct 19, 2026

Sheela Kosaraju

SVP and General Counsel

CIENSell · Oct 6, 2026

Marc D. Graff

officer: SVP & Chief Financial Officer

CIENSell · Oct 6, 2026

Jason Phipps

SVP Global Sales and Marketing

CIENSell · Oct 6, 2026

Joseph Cumello

SVP, General Mgr. Blue Planet

CIENSell · Sep 29, 2026

Explore More Insider Trading Data

CIEN Insider Trading Activity

View all insider trades at Ciena Corporation

Technology Sector Insider Trades

See insider activity across technology stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity