David M Rothenstein

SVP David M Rothenstein sells 2,500 CIEN shares at $420.91 under 10b5-1 plan; stock down -40.5% from 52-week high

David M Rothenstein (SVP and Chief Strategy Officer) sold 2,500 shares of CIENA CORP at $420.91 on 2026-07-15 under a pre-arranged 10b5-1 trading plan, reducing his holdings from 185,231 to 182,731 shares. The current price of $379.10 reflects a -40.5% decline from the 52-week high of $637.51, and CIEN has declined -13.2% over the past 30 days and -25.3% over 90 days. His prior trades at CIEN show mixed near-term outcomes: sells on 2026-06-15 and 2026-05-15 have experienced -8.4% and -20.7% 30-day returns respectively, while earlier sales on 2026-04-15, 2026-03-16, and 2026-02-17 showed positive 30-day returns of +18.6%, +37.9%, and +37.4%. The scheduled nature of this transaction via 10b5-1 plan means it was predetermined and not responsive to current market conditions.

SVP Rothenstein sold 2,500 CIEN shares at $457.07 via pre-arranged 10b5-1 plan; stock down 31.5% from 52-week high.

David M Rothenstein sold 2,500 shares (2.5K shares) of Ciena at $457.07 on 2026-06-15, reducing his holdings by 1.3% to 187,581 shares (187.6K shares). The transaction is executed under a pre-arranged 10b5-1 trading plan, meaning it is scheduled and not discretionary. The stock has declined 31.5% from its 52-week high of $637.51 and is down 16.7% over the past 30 days, though it is up 5.8% over 90 days. Across his prior trades at Ciena (five distinct sales), Rothenstein's sales have been followed by mixed outcomes: three of the five prior same-ticker sales resulted in positive 30-day and 90-day returns (ranging from +18.6% to +37.9% at 30 days, and +29.3% to +74.7% at 90 days), while one sale on 2026-05-15 was followed by a -20.7% 30-day return. The company shows strong growth fundamentals with annual revenue growth of +18.8%, though its P/E of 269.58 reflects elevated valuation relative to earnings.

SVP David M Rothenstein sold 2,500 CIEN shares at $562.39 under 10b5-1 plan; stock now 9.5% below 52-week high.

David M Rothenstein, SVP and Chief Strategy Officer, sold 2,500 shares of CIENA CORP at $562.39 on 2026-05-15, reducing his holdings by 1.3% to 190,081 shares. This sale was executed under a pre-arranged 10b5-1 trading plan, making it a scheduled transaction rather than a discretionary decision. The current stock price of $541.92 sits 9.5% below the 52-week high of $598.84. Rothenstein's prior sales at CIEN have been followed by mixed near-term outcomes: his five prior trades at this ticker showed 30-day returns ranging from +7.9% to +37.9% and 90-day returns from +12.2% to +122.3%. The stock's strong recent momentum—up 6.8% over 30 days and 74.3% over 90 days—provides context for where the sale landed in the pricing cycle, though the 10b5-1 structure removes inference about timing intent.

SVP Rothenstein sells 2,500 CIEN shares at $467.65; stock now at $507.43 after +31.7% in 30 days

David M Rothenstein, SVP and Chief Strategy Officer, sold 2,500 shares at $467.65 for $1,169,134.00, reducing his holdings from 195,081 to 192,581 shares. The sale occurred near the 52-week high of $507.43 but below current market price, with stock up +31.7% over 30 days and +108.5% over 90 days. His prior four sales at CIEN show a 0.00% well-timed rate at the 90-day mark—meaning his last measurable sale on 2026-01-09 was followed by a +122.3% gain, indicating prior sales were not positioned ahead of declines. The cross-ticker track record shows an avg 90d return of +87.5% after his sells with a 0.00% well-timed rate, establishing a pattern of selling into uptrends rather than ahead of weakness. Given the magnitude of recent gains (+108.5% over 90 days) and the insider's historical inability to time downturns, this sale merits monitoring for whether it signals any shift in conviction or is simply a liquidity event.

SVP Rothenstein sells 2,500 CIEN shares at $345.00; stock now trading at $385.26 (+26.8% in 30 days)

David M Rothenstein, SVP and Chief Strategy Officer, sold 2,500 shares (approximately 1.3% of his holdings) on 2026-03-16 at $345.00, reducing his position from 199,694 to 197,194 shares. The sale occurred ahead of a strong price rally, with CIEN trading at $385.26 today—a +26.8% gain over 30 days and +82.8% over 90 days, suggesting the insider sold before the acceleration. Rothenstein's prior sale at this ticker on 2026-01-09 was followed by a +23.7% 30-day gain, and his 2025-12-15 sale preceded a +52.8% 90-day gain, establishing a pattern of selling before sustained upward moves. His cross-ticker track record shows 0 well-timed (negative-return) sells out of 3 prior sales across all tickers, indicating a pattern of sales that precede gains rather than declines.

SVP David M Rothenstein sold 2,500 CIEN shares at $300.20 on 2026-02-17; stock now at $318.41, posting strong recent gains.

Rothenstein sold 2,500 shares (1.2% of his pre-transaction holdings of 202.2K shares) at $300.20 per share, generating $750.5K in proceeds. The stock has appreciated since the sale, reaching $318.41 (current price), which represents +0.0% from its 52-week high of $318.41 and reflects notable recent momentum: +32.0% over the past 30 days and +78.6% over the past 90 days. His prior two trades at CIEN were both sells, with post-transaction 30-day returns of +23.7% (2026-01-09) and +7.9% (2025-12-15), indicating the stock has moved higher after his recent sales at this ticker. The company's fundamentals show revenue of $1.2B (latest quarter), net income of $50.3M, annual revenue growth of +18.8%, and a P/E of 365.99, reflecting a valuation stretched relative to near-term earnings. The pattern of successive sales into strong price momentum, combined with an elevated P/E multiple, represents a notable insider activity worthy of investor attention.

CIEN SVP David Rothenstein sold 2,500 shares at $219.28 on 2026-01-09; retains 202,194 shares.

Rothenstein, SVP and Chief Strategy Officer, executed a modest sale of 2,500 shares representing -1.2% of his pre-transaction holdings, leaving him with substantial remaining ownership at 202.2K shares. The sale occurred at $219.28, which trails the current price of $246.42 and sits -5.0% from the 52-week high of $259.27, indicating no evident timing advantage relative to recent highs. His cross-ticker track record shows only 1 prior sell, providing minimal pattern history; his same-ticker history at CIEN also shows only 1 prior transaction (a sell on 2025-12-15) whose outcomes remain unmeasurable. Against the backdrop of CIENA's robust fundamentals—$1.2B quarterly revenue, +18.8% annual growth, and $34.7B market cap—this represents a routine partial disposition that does not materially signal shifts in insider conviction given the executive's continued dominant stake.

SVP/Chief Strategy Officer David M Rothenstein sells 2,500 shares of CIEN at $220.84; retains 180,690 shares post-sale.

David M Rothenstein, SVP and Chief Strategy Officer, sold 2,500 shares (2.5K shares) of CIENA CORP (CIEN) at $220.84, reducing his stake from 183,190 shares (183.2K shares) to 180,690 shares (180.7K shares) — a -1.4% reduction in holdings. The sale generated $552,100.00 ($552.1K). At the transaction price of $220.84, the sale occurred 5.2% above the current price of $209.84 and 9.0% below the 52-week high of $242.37. While the executive maintains substantial holdings post-transaction, the modest scale of the sale (1.4% of prior position) and absence of coordinated activity information limit the direct inferential weight of this single transaction.