DiPerna Dino
EVP & Chief R&D Officer
DiPerna Dino has filed 13 SEC Form 4 filings (44 transaction rows) across 1 company, with disclosures dating back to 2025. 11 of those filings fall inside the rolling window. Most recent filing: Oct 19, 2026.
On the most recent filing, DiPerna Dino is listed as EVP & Chief R&D Officer at CIENA CORP. Inside the rolling window, DiPerna Dino reported no open-market purchases and 7 open-market sales totaling $2.8M in CIEN. The largest disclosed transaction in the window is a sale of 2,829 CIEN shares on Apr 15, 2026, worth $1.3M.
Companies traded
Other insiders at CIEN
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$2.8M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| CIEN | EVP & Chief R&D Officer | Sale | 890 | $309K | Oct 19 | SEC ↗ | |
| CIEN | EVP & Chief R&D Officer | Sale | 249 | $81K | Sep 17 | SEC ↗ | |
| CIEN | EVP & Chief R&D Officer | Sale | 249 | $87K | Sep 17 | SEC ↗ | |
| CIEN | SVP Global R&D | Sale | 391 | $176K | Jul 17 | SEC ↗ | |
| CIEN | SVP Global R&D | Sale | 2,829 | $1.3M | Apr 16 | SEC ↗ | |
| CIEN | SVP Global R&D | Sale | 2,527 | $622K | Jan 16 | SEC ↗ | |
| CIEN | SVP Global R&D | Sale | 1,241 | $237K | Nov 18 | SEC ↗ |
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
Frequently asked questions
How many SEC Form 4 filings has DiPerna Dino made?
DiPerna Dino has filed 13 SEC Form 4 filings (44 transaction rows) across 1 company since 2025.
Which companies does DiPerna Dino trade?
DiPerna Dino has filed SEC Form 4 disclosures for 1 company, including CIEN.
When was DiPerna Dino's most recent SEC Form 4 filing?
DiPerna Dino's most recent SEC Form 4 filing on Tracefour is dated Oct 19, 2026.
What is DiPerna Dino's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, DiPerna Dino is listed as EVP & Chief R&D Officer.
What is DiPerna Dino's total buy and sell value in the current window?
Inside the rolling retention window, DiPerna Dino bought $0 and sold $2.8M based on SEC Form 4 filings.
What was DiPerna Dino's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 2,829 CIEN shares on 2026-04-15, worth $1.3M, per SEC Form 4 filings.