Bruce L. Claflin

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Hanover, MD
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Lily J. Lu, Attorney-in-Fact for Bruce L. Claflin
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Bruce L. Claflin

Form 4 holding Director

CIENA CORP

Security class
Common Stock
Shares / value
50,843
Estimated value
$11,890,652
Report date
26 Mar 2026
Price
$233.87
Ownership
Direct
Form 4 holding Director

CIENA CORP

Security class
Common Stock
Shares / value
11,136
Estimated value
$2,604,376
Report date
26 Mar 2026
Price
$233.87
Ownership
By spousal trust
Form 4 holding Director

IDEXX LABORATORIES INC /DE

Security class
Common Stock
Shares / value
1,560
Estimated value
$843,648
Report date
17 May 2024
Price
$540.80
Ownership
by Claflin Family Trust
Form 4 holding Director

IDEXX LABORATORIES INC /DE

Security class
Non-Qualified Stock Option (right-to-buy)
Shares / value
609
Estimated value
Report date
06 May 2024
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Bruce L. Claflin

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