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CIEN CIENA CORP Insider Trading

Latest: President, CEO Sold $1.6M of Shares · May 2026

Multiple insiders have been active at CIENA CORP (CIEN): 10 distinct insiders account for 0 buy filings and 56 sell filings as of Jul 2026. Its highest-significance filing in the last 90 days: President, CEO SMITH GARY B sold $1.6M, transaction dated May 2026.

56 filings analyzed · Latest 2026-07-17

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Buys
0
Sells
56
Insiders
10
Direction
Net selling

CIENA CORP leadership

CEO
Gary B. Smith — CHIEF EXECUTIVE OFFICER
CFO
Marc D. Graff — CHIEF FINANCIAL OFFICER
General Counsel
Sheela Kosaraju — Senior Vice President, General Counsel and Assistant Secretary
Chair
Lawton W. Fitt — Chair of the Board

Historically, stocks have lagged the S&P 500 by a median ~3% over the 90 days after a medium insider sell (n ≈ 4,738, 2024-2026). Past results don't predict the future. How we measure this ↗

July 2026
2026-07-17 10b5-1 Plan
medium
President, CEO
2,952 shares
$1,243,098
@ $421.10
Significance 4

CEO Gary B Smith sells 2,952 CIEN shares at $421.10; stock now $379.10, down 40.5% from 52-week high. Scheduled 10b5-1 plan.

Gary B Smith, President and CEO of CIENA CORP, sold 2,952 shares at $421.10 on 2026-07-15 as part of a pre-arranged 10b5-1 trading plan, reducing his holdings from 254,886 to 251,934 shares. This transaction is scheduled rather than discretionary. At current price of $379.10, the stock has declined 40.5% from its 52-week high of $637.51 and dropped 13.2% over the past 30 days and 25.3% over 90 days. His prior trades at CIEN show mixed near-term outcomes: the most recent measurable sale on 2026-06-15 saw the stock decline 8.4% within 30 days, while earlier sales on 2026-05-15 and 2026-06-01 experienced 20.6% and 18.3% declines respectively within 30 days, though an earlier May 1 sale posted a 7.9% gain. Cross-ticker, his track record on 19 prior sells averaged +13.5% 30-day returns and +57.0% 90-day returns. The company maintains solid fundamentals with $1.6B quarterly revenue, $218.2M net income, and 18.8% annual revenue growth, though the elevated 122.29 P/E ratio reflects the valuation compression coinciding with recent price weakness.

2026-07-17 10b5-1 Plan
low
SVP and Chief Strategy Officer
2,500 shares
$1,052,284
@ $420.91
Significance 4

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.

2026-07-06 10b5-1 Plan
low
SVP and General Counsel
2,013 shares
$938,461
@ $466.20
Significance 3

CIEN SVP & General Counsel Kosaraju sold 2,013 shares at $466.20 via 10b5-1 plan; stock down 32.0% from 52-week high at $637.51.

Sheela Kosaraju sold 2,013 shares at $466.20 on 2026-07-01 as part of a pre-arranged 10b5-1 trading plan, which is scheduled rather than discretionary. The sale reduced her holdings by 2.2% from 90,094 to 88,081 shares, representing a routine portfolio adjustment. CIEN stock is currently trading at $433.83, down 32.0% from its 52-week high of $637.51 and down 11.1% over the past 30 days, reflecting broader market weakness rather than filing-specific concerns. The 10b5-1 structure means this transaction was contractually predetermined and does not reflect real-time judgment about valuation or company trajectory.

2026-07-06 10b5-1 Plan
low
SVP Global Sales and Marketing
2,629 shares
$1,225,640
@ $466.20
Significance 4

SVP Jason Phipps sold 2,629 shares of CIEN at $466.20 on 2026-07-01 via 10b5-1 plan; stock now at $433.83.

Jason Phipps, SVP Global Sales and Marketing, executed a scheduled sale of 2,629 shares at $466.20 under a pre-arranged 10b5-1 trading plan, reducing his holdings by -4.0% to 62,382 shares. The stock has declined -32.0% from its 52-week high of $637.51 and is down -11.1% over the prior 30 days, trading below the transaction price at $433.83. While his cross-ticker track record across 17 prior sells shows an average 90-day return of +25.0%, his prior 5 trades at CIEN on 2026-04-01 each generated 90-day returns ranging from +17.6% to +22.2%, establishing a pattern in this security. The 10b5-1 structure indicates this sale was scheduled rather than discretionary. Against fundamentals showing net income of $218.2M and annual revenue growth of +18.8%, the insider maintained a substantial position of 62,382 shares post-transaction.

2026-07-06 10b5-1 Plan
low
President, CEO
2,952 shares
$1,383,972
@ $468.83
Significance 4

CEO Gary B Smith sold 2,952 shares of CIEN at $468.83 on 2026-07-01 under 10b5-1 plan; stock now -32.0% from 52-week high.

Gary B Smith, President and CEO, executed a sale of 2,952 shares at $468.83 under a pre-arranged 10b5-1 trading plan, reducing holdings from 257.8K to 254.9K shares. The transaction occurred while CIEN trades at $433.83, down -32.0% from its 52-week high of $637.51 and -11.1% over the past 30 days. CIEN reported strong fundamentals with $1.6B in latest quarterly revenue, $218.2M net income, and +18.8% annual revenue growth, though the stock carries a P/E of 139.95. His prior five trades at CIEN have shown mixed near-term performance: the most recent measurable sale (2026-06-01) was followed by a -18.3% 30-day return, while earlier sales showed +7.9% and +18.6% 30-day outcomes, without yet-measurable 90-day results for trades after mid-May.

June 2026
2026-06-17 10b5-1 Plan
medium
President, CEO
2,952 shares
$1,349,130
@ $457.02
Significance 4

CIEN CEO Gary B Smith sells 2,952 shares at $457.02 under 10b5-1 plan; stock down 31.5% from 52-week high

Gary B Smith, President and CEO, sold 2,952 shares of CIENA CORP (CIEN) at $457.02 on 2026-06-15, reducing holdings from 269,557 to 266,605 shares. The sale occurred under a pre-arranged 10b5-1 trading plan, meaning it was scheduled rather than discretionary. The stock currently trades at $436.72, down 31.5% from its 52-week high and off 16.7% in the prior 30 days. Across his entire insider trading history (cross-ticker), Smith's prior 19 sells yielded an average 90-day return of +64.6%, but at CIEN specifically, his most recent measurable sale (2026-05-15) showed a -20.6% 30-day return; the stock's recent weakness may reflect broader sector or company headwinds rather than a scheduled plan execution.

2026-06-17 10b5-1 Plan
low
SVP and Chief Strategy Officer
2,500 shares
$1,142,672
@ $457.07
Significance 4

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.

2026-06-02 10b5-1 Plan
low
President, CEO
2,952 shares
$1,670,597
@ $565.92
Significance 3

CIEN CEO Gary B Smith sold 2,952 shares (3.0K) at $565.92 on 2026-06-01 under pre-arranged 10b5-1 plan; still holds 269,557 shares.

Gary B Smith, President and CEO of CIENA CORP, executed a sale of 2,952 shares (3.0K shares) at $565.92 for a total value of $1,670,596.73, reducing his holdings to 269,557 shares (-1.1% vs pre-transaction holdings). This transaction is part of a pre-arranged 10b5-1 trading plan and is therefore scheduled, not discretionary. In context of Smith's prior trades at CIEN—five sells from March through May 2026—the stock moved significantly higher after each sale, with the 90-day return following his 2026-03-16 sell reaching +58.4%. The current price of $615.95 sits +1.7% from the 52-week high and reflects a +79.3% 90-day appreciation. As a scheduled trade, this sale carries minimal signal value for near-term conviction, though the persistent pattern of post-sale gains at this ticker reflects broad upward momentum rather than predictive insider timing.

May 2026
2026-05-19 10b5-1 Plan
low
President, CEO
2,952 shares
$1,659,175
@ $562.05
Significance 3

CEO Gary B Smith sold 2,952 shares (3.0K) of CIEN at $562.05 under 10b5-1 plan; retains 272.5K shares

Gary B Smith, President and CEO, sold 2,952 shares at $562.05 on 2026-05-15 under a pre-arranged 10b5-1 trading plan, a scheduled transaction that is not discretionary. The CEO retains significant holdings of 272,509 shares post-transaction, and the sale represents only a -1.1% reduction from pre-transaction holdings. His prior same-ticker sells at CIEN have generated positive outcomes, including 90-day returns of +45.9%, +47.9%, +26.2%, and +12.2% on the four sales prior to May 1st, 2026; only the most recent same-ticker sale on 2026-05-01 showed -2.5% over both 30 and 90 days. The routine nature of a 10b5-1 plan transaction, combined with the CEO's continued substantial position ownership and the stock's recent 90-day rally of +74.3%, indicates this is a scheduled divestitional event rather than a signal of material strategic concern.

2026-05-19 10b5-1 Plan
low
SVP and Chief Strategy Officer
2,500 shares
$1,405,969
@ $562.39
Significance 3

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.

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