Rothenstein David M Insider Trading Activity

Corporate InsiderVP · CIK 1444157

Total trades

$7.1M

Total volume

May 15, 2026

Last activity

CIEN

CIENA CORP

Rothenstein David M has been net-selling over the last 12 months with 0 purchases and 12 sales across 1 company.

CIEN is the most-traded position with 12 trades. The largest single transaction was a sale of CIEN for $1.4M on May 15, 2026.

Performance Scorecard

Forward stock performance after each transaction by Rothenstein David M. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIOD	AVG BUY RETURN	AVG SELL AVOIDED	SUCCESS RATE	TRADES
30 days	—	-23.2%	0%	11
90 days	—	-80.7%	0%	9
120 days	—	-118.0%	0%	8

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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CIEN · CIENA CORP

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Recent Trades

DATE	TICKER	TYPE	SHARES	PRICE	VALUE	ROLE
May 15, 2026	CIEN	Sell	2,500	$562.39	$1.4M	VP
Apr 15, 2026	CIEN	Sell	2,500	$467.65	$1.2M	VP
Mar 16, 2026	CIEN	Sell	2,500	$345.00	$863K	VP
Feb 17, 2026	CIEN	Sell	2,500	$300.20	$750K	VP
Jan 9, 2026	CIEN	Sell	2,500	$219.28	$548K	VP
Dec 15, 2025	CIEN	Sell	2,500	$220.84	$552K	VP
Nov 17, 2025	CIEN	Sell	2,500	$191.72	$479K	VP
Oct 15, 2025	CIEN	Sell	2,500	$170.22	$426K	VP
Sep 15, 2025	CIEN	Sell	2,500	$132.00	$330K	VP
Aug 15, 2025	CIEN	Sell	2,500	$90.60	$226K	VP
Jul 15, 2025	CIEN	Sell	2,500	$82.21	$206K	VP
Jun 16, 2025	CIEN	Sell	2,500	$74.13	$185K	VP