Bruce L. Claflin Ciena Corp (CIEN) insider trading activity

Bruce L. Claflin is Director of CIENA CORP. Currently has a direct ownership of 50,238 shares of CIEN, which is worth approximately $7.32 Million. The most recent transaction as insider was on Sep 24, 2025, when has been sold 8,461 shares (Common Stock) at a price of $140.12 per share, resulting in proceeds of $1,185,555. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 50.2K

20.36% 3M change

34.12% 12M change

Total Value Held $7.32 Million

Bruce L. Claflin Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 24 2025	SELL Open market or private sale	$1,185,555 $140.12 p/Share	8,461 Reduced 13.41%	54,624 Common Stock
Sep 24 2025	SELL Bona fide gift	-	4,386 Reduced 8.03%	50,238 Common Stock
Mar 27 2025	BUY Grant, award, or other acquisition	-	3,738 Added 5.59%	63,085 Common Stock
Jan 06 2025	SELL Open market or private sale	$1,436,843 $84.96 p/Share	16,912 Reduced 22.18%	59,347 Common Stock
Mar 21 2024	BUY Grant, award, or other acquisition	-	4,438 Added 5.5%	76,259 Common Stock
Mar 30 2023	BUY Grant, award, or other acquisition	-	4,331 Added 5.69%	71,821 Common Stock
Mar 31 2022	BUY Grant, award, or other acquisition	-	3,722 Added 5.23%	67,490 Common Stock
Nov 18 2021	SELL Bona fide gift	-	11,136 Reduced 14.87%	63,768 Common Stock
Apr 01 2021	BUY Grant, award, or other acquisition	-	4,116 Added 5.21%	74,904 Common Stock

Also insider at

IDXX

IDEXX LABORATORIES INC Healthcare

Director

BLC

Bruce L. Claflin

Director

Westbrook, ME

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