Stock research log

$CIEN Insider Trading

Ciena Corporation

4

Alerts Listed

0

Insider Buys 30d

0

Insider Sells 30d

This page is InsiderWatch’s research log for CIEN: the alerts we sent on this stock, timestamped, plus recent insider buying and selling reported to the SEC on Form 4.

Price and Our Alerts

$CIEN price

Daily closing prices

$243.39-41.0% 3M
$300.00$400.00Aug 7Sep 23Nov 6
Bullish alertBearish alert

3M change

-41.0%

1Y high

$627.00

1Y low

$176.45

Our alerts

4

in this window

Prices from public market data and may be delayed. Markers show the days our alerts on this stock fired. Not investment advice.

Our Alerts on $CIEN

Sent (ET)CallAlert
Sep 11, 12:35 PMNEUTRALCiena guides to 30%+ fiscal 2027 growth on AI demand
Sep 8, 11:43 AMNEUTRALCiti backs Ciena buy after record results, stock dip
Sep 4, 10:24 AMNEUTRALCiena guides to 30%+ fiscal 2027 revenue growth
Sep 3, 7:12 AMNEUTRALCiena revenue jumps 37% in fiscal Q3

Every alert we sent on CIEN is listed after a short delay, in the order it went out. The call shown is the one in the alert as sent.

Recent Insider Activity

Open-market buys and sells in CIEN by the company’s own officers, directors, and large holders, as reported to the SEC on Form 4 in roughly the last 30 days. New to the filing? Read what a Form 4 is and what the transaction codes mean.

Filed (ET)InsiderActionValue
Sep 28Claflin Bruce L.DirectorSELL$1.0M
Sep 25NEVENS THOMAS MICHAELDirectorSELL$1.3M

Sourced from public SEC Form 4 filings. Buys shown are open-market purchases; routine grants and plan sales are filtered out before a trade reaches this log.

Congress Trading in $CIEN

Members of Congress who disclosed trades in CIEN under the STOCK Act since we began tracking. Each name links to that member’s full page. Amounts are the disclosed ranges (see how the ranges work) and filings can arrive up to 45 days after the trade.

MemberActionAmount
Gilbert CisnerosHouseBUY$1,001 - $15,000
Gilbert CisnerosHouseBUY$1,001 - $15,000

Disclosed amounts are ranges. Filing and trade dates, who in the household traded, and full histories are part of the subscriber dashboard.

See the research log across all stocks, this week’s insider buying, or the congress trading tracker.

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InsiderWatch is an informational research service based on publicly available information only and is not financial, investment, legal, or tax advice. The call shown is a reading of the event, not a recommendation to trade.