David M. Rothenstein

Companies

• CienaSVP, Gen. Counsel Dec 16, 2010 to now¹
• CienaGeneral counsel Nov 4, 2008 to Jan 18, 2023²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• CCiena CIEN175,381 shares³$60.8M at $346.74Sep 20, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 20, 2026Shares withheld for tax 220 shares at $348.80 of Ciena³
• Sep 20, 2026Shares withheld for tax 436 shares at $348.80 of Ciena³
• Sep 20, 2026Shares withheld for tax 811 shares at $348.80 of Ciena³
• Sep 20, 2026Shares withheld for tax 204 shares at $348.80 of Ciena³
• Sep 20, 2026Shares withheld for tax 679 shares at $348.80 of Ciena³
• Sep 15, 2026Sold 2,500 shares at $330.48 of Ciena⁴
• Aug 14, 2026Sold 2,500 shares at $438.10 of Ciena⁵
• Jul 15, 2026Sold 2,500 shares at $420.91 of Ciena⁶
• Jun 20, 2026Shares withheld for tax 220 shares at $428.22 of Ciena⁷
• Jun 20, 2026Shares withheld for tax 436 shares at $428.22 of Ciena⁷
• Jun 20, 2026Shares withheld for tax 811 shares at $428.22 of Ciena⁷
• Jun 20, 2026Shares withheld for tax 204 shares at $428.22 of Ciena⁷
• Jun 20, 2026Shares withheld for tax 679 shares at $428.22 of Ciena⁷
• Jun 15, 2026Sold 2,500 shares at $457.07 of Ciena⁸
• May 15, 2026Sold 2,500 shares at $562.39 of Ciena⁹
• Apr 15, 2026Sold 2,500 shares at $467.65 of Ciena¹⁰
• Mar 20, 2026Shares withheld for tax 220 shares at $383.89 of Ciena¹¹
• Mar 20, 2026Shares withheld for tax 436 shares at $383.89 of Ciena¹¹
• Mar 20, 2026Shares withheld for tax 811 shares at $383.89 of Ciena¹¹
• Mar 20, 2026Shares withheld for tax 174 shares at $383.89 of Ciena¹¹
• Mar 20, 2026Shares withheld for tax 472 shares at $383.89 of Ciena¹¹
• Mar 16, 2026Sold 2,500 shares at $345.00 of Ciena¹²
• Feb 17, 2026Sold 2,500 shares at $300.20 of Ciena¹³
• Jan 9, 2026Sold 2,500 shares at $219.28 of Ciena¹⁴
• Dec 20, 2025Shares withheld for tax 1,557 shares at $230.34 of Ciena¹⁵