Claflin Bruce L.
SEC Form 4 insider trading activity
Claflin Bruce L. has filed 3 SEC Form 4 filings (4 transaction rows) across 1 company, with disclosures dating back to 2025. 2 of those filings fall inside the rolling window. Most recent filing: Sep 28, 2026.
On the most recent filing, Claflin Bruce L. is listed as Director at CIENA CORP. Inside the rolling window, Claflin Bruce L. reported no open-market purchases and 1 open-market sale totaling $1.0M in CIEN.
Companies traded
Other insiders at CIEN
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$1.0M
reported sales (SEC code S)
Companies
1
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Sep 24, 2025 | CIEN | Sale | $1.2M |
Frequently asked questions
How many SEC Form 4 filings has Claflin Bruce L. made?
Claflin Bruce L. has filed 3 SEC Form 4 filings (4 transaction rows) across 1 company since 2025.
Which companies does Claflin Bruce L. trade?
Claflin Bruce L. has filed SEC Form 4 disclosures for 1 company, including CIEN.
When was Claflin Bruce L.'s most recent SEC Form 4 filing?
Claflin Bruce L.'s most recent SEC Form 4 filing on Tracefour is dated Sep 28, 2026.
What is Claflin Bruce L.'s total buy and sell value in the current window?
Inside the rolling retention window, Claflin Bruce L. bought $0 and sold $1.0M based on SEC Form 4 filings.
What was Claflin Bruce L.'s largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 2,857 CIEN shares on 2026-09-24, worth $1.0M, per SEC Form 4 filings.