David M Rothenstein Ciena Corp (CIEN) insider trading activity

David M Rothenstein is SVP and Chief Strategy Officer of CIENA CORP. Currently has a direct ownership of 204,694 shares of CIEN, which is worth approximately $39.2 Million. The most recent transaction as insider was on Dec 20, 2025, when has been sold 16,718 shares (Common Stock) at a price of $230.34 per share, resulting in proceeds of $3,850,824. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 205K

8.77% 3M change

3.27% 12M change

Total Value Held $39.2 Million

David M Rothenstein Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 20 2025	SELL Payment of exercise price or tax liability	$3,850,824 $230.34 p/Share	16,718 Reduced 7.55%	204,694 Common Stock
Dec 16 2025	BUY Grant, award, or other acquisition	-	40,722 Added 15.53%	221,412 Common Stock
Dec 15 2025	SELL Open market or private sale	$552,100 $220.84 p/Share	2,500 Reduced 1.36%	180,690 Common Stock
Nov 17 2025	SELL Open market or private sale	$479,300 $191.72 p/Share	2,500 Reduced 1.35%	183,190 Common Stock
Oct 15 2025	SELL Open market or private sale	$425,550 $170.22 p/Share	2,500 Reduced 1.33%	185,690 Common Stock
Sep 20 2025	SELL Payment of exercise price or tax liability	$337,346 $138.37 p/Share	2,438 Reduced 1.28%	188,190 Common Stock
Sep 15 2025	SELL Open market or private sale	$330,000 $132.0 p/Share	2,500 Reduced 1.29%	190,628 Common Stock

Aug 15 2025	SELL Open market or private sale	$226,500 $90.6 p/Share	2,500 Reduced 1.28%	193,128 Common Stock
Jul 15 2025	SELL Open market or private sale	$205,524 $82.21 p/Share	2,500 Reduced 1.26%	195,628 Common Stock
Jun 20 2025	SELL Payment of exercise price or tax liability	$129,831 $74.53 p/Share	1,742 Reduced 0.87%	198,128 Common Stock
Jun 16 2025	SELL Open market or private sale	$185,325 $74.13 p/Share	2,500 Reduced 1.24%	199,870 Common Stock
May 15 2025	SELL Open market or private sale	$199,825 $79.93 p/Share	2,500 Reduced 1.22%	202,370 Common Stock
Apr 15 2025	SELL Open market or private sale	$148,675 $59.47 p/Share	2,500 Reduced 1.21%	204,870 Common Stock
Mar 24 2025	SELL Open market or private sale	$172,200 $68.88 p/Share	2,500 Reduced 1.19%	207,370 Common Stock
Mar 20 2025	SELL Payment of exercise price or tax liability	$114,327 $65.63 p/Share	1,742 Reduced 0.82%	209,870 Common Stock
Dec 20 2024	SELL Payment of exercise price or tax liability	$715,030 $87.38 p/Share	8,183 Reduced 3.72%	211,612 Common Stock
Dec 17 2024	BUY Grant, award, or other acquisition	-	26,798 Added 10.87%	219,795 Common Stock
Dec 16 2024	SELL Open market or private sale	$311,815 $89.09 p/Share	3,500 Reduced 1.78%	192,997 Common Stock
Nov 15 2024	SELL Open market or private sale	$241,464 $68.99 p/Share	3,500 Reduced 1.75%	196,497 Common Stock
Oct 15 2024	SELL Open market or private sale	$236,005 $67.43 p/Share	3,500 Reduced 1.72%	199,997 Common Stock
Sep 20 2024	SELL Payment of exercise price or tax liability	$112,996 $58.73 p/Share	1,924 Reduced 0.94%	203,497 Common Stock
Sep 16 2024	SELL Open market or private sale	$196,840 $56.24 p/Share	3,500 Reduced 1.68%	205,421 Common Stock
Aug 15 2024	SELL Open market or private sale	$183,470 $52.42 p/Share	3,500 Reduced 1.65%	208,921 Common Stock
Jul 15 2024	SELL Open market or private sale	$170,835 $48.81 p/Share	3,500 Reduced 1.62%	212,421 Common Stock
Jun 20 2024	SELL Payment of exercise price or tax liability	$84,058 $46.96 p/Share	1,790 Reduced 0.82%	215,921 Common Stock

DMR

David M Rothenstein

SVP and Chief Strategy Officer

Hanover, MD

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