Question 1

Who is Dino Diperna?

Accepted Answer

Dino Diperna serves as Executive at CIENA CORP (CIEN). They have executed 44 insider transactions totaling $819.7K over their tenure at the company.

Question 2

What is Dino Diperna's role at CIENA CORP?

Accepted Answer

Dino Diperna holds the position of Executive at CIENA CORP, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 2 years and currently hold a stake valued at $0.

Question 3

Is Dino Diperna buying or selling CIEN stock?

Accepted Answer

Dino Diperna has shown a selling trading pattern, with $0 in total purchases and $819.7K in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.

Question 4

What are Dino Diperna's largest insider transactions?

Accepted Answer

The largest transaction by Dino Diperna was on Dec 20, 2025, when they sold $472.2K worth of CIEN shares. This transaction involved 2,050 shares at $230.34 per share.

Question 5

What is Dino Diperna's trading accuracy?

Accepted Answer

Dino Diperna has a Personal Accuracy Score of 91/100, which measures the historical performance of their insider transactions. This score is calculated based on the timing and performance of their trades relative to market movements.

Question 6

How many companies is Dino Diperna associated with?

Accepted Answer

Dino Diperna has filed Form 4 transactions for 1 different company. Their primary association is with CIENA CORP (CIEN), where they serve as Executive.

Question 7

How much CIEN stock does Dino Diperna own?

Accepted Answer

Dino Diperna currently owns 59,550 shares of CIENA CORP (CIEN), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.

Question 8

What is Dino Diperna's equity in CIENA CORP?

Accepted Answer

Dino Diperna's equity position in CIENA CORP consists of 59,550 shares valued at approximately $0. As Executive, they have executed 44 insider transactions, with $0 in purchases and $819.7K in sales.

Question 9

Where can I find Dino Diperna's SEC Form 4 filings?

Accepted Answer

All of Dino Diperna's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Dino Diperna has 44 Form 4 filings on record as an insider at CIENA CORP.

Question 10

What is Dino Diperna's net worth from CIEN?

Accepted Answer

Based on their current CIEN stock holdings, Dino Diperna has equity worth approximately $0 in CIENA CORP. This value is based on 59,550 shares at current market prices and does not represent their total net worth, which may include other assets and investments.

DATE	TICKER	VALUE	TYPE	SHARES	PRICE	10b5-1
Dec 20, 2025	CIEN	$47.0K	Payment	204	$230.34	Discretionary
Dec 20, 2025	CIEN	$322.7K	Payment	1,401

Dino Diperna

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Dino Diperna Trading Summary

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Dino Diperna's Recent Stock Transactions

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