Total buying$00 buys
CIEN
CIENA CORP
NYSETechnologyTelephone & Telegraph Apparatus
Insider activity for last month from 09/19 to 10/19.
How these metrics are calculated
Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total selling$5.73M7 sells
Net open-market−$5.73MBuying minus selling
Active insiders11Distinct reporting owners
Insider activity report
Calendar-month buckets within the selected date range
Latest filing: Oct 13, 2026
Open-market transaction mix · 7 transactions in the selected period
Code A includes awards, grants and other acquisitions; these are not open-market buys. A rolling period can include partial calendar months.
View exact monthly counts and disclosed values
| Month | Buys | Sells | Awards (A) | Buy value | Sell value | Net P/S value |
|---|---|---|---|---|---|---|
| Sep 2026 | 0 | 3 | 0 | $0 | $2.92M | -$2.92M |
| Oct 2026 | 0 | 4 | 0 | $0 | $2.80M | -$2.80M |
Distinct insiders active
Reporting-owner CIKs by month · peak Sep 2026 (11)Sep 2026Oct 2026
Largest insider activity
By absolute net disclosed value · current transaction page- SB-$3.1M
- PJ-$824.9k
- RM-$819.7k
- GB-$594.0k
- KS-$372.5k
CIEN transaction history
Newest filings · 20 transactions per pageLatest insider transactions
Form 4 filings from last month.Filing-only signals
Deterministic matches in the selected period
Filing detail checks
Secondary metrics for the selected periodTransaction codes
By Form 4 transaction code in selected period43transactionstxns
- F · Tax withholding · dominant35 · 81%
- S · Open-market sells7 · 16%
- G · Gifts1 · 2%
Activity by reported role
A joint filing can contribute to multiple rolesEVP35
CLO6
GM6
CCO5
Chief executive officer5
CP5
CR5
CSO5
DO5
PRES5
Director3
Chief financial officer2
CS1
Reported Holdings After
Separated by insider, security, and ownership type
Kosaraju SheelaCommon Stock · Direct
84,065Oct 01, 2026
Cumello JosephCommon Stock · Direct
39,570Sep 25, 2026
Phipps JasonCommon Stock · Direct
57,388Oct 01, 2026
Rothenstein David MCommon Stock · Direct
175,381Sep 20, 2026
Smith Gary BCommon Stock · Direct
228,407Oct 01, 2026
Gage BrodieCommon Stock · Direct
35,273Sep 20, 2026
DiPerna DinoCommon Stock · Direct
37,073Sep 20, 2026
Graff Marc D.Common Stock · Direct
107,136Oct 01, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Current transaction page only · each cell is a filing date · buys green, sells redSep 19 → Oct 19
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CIENA CORP Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at CIENA CORP?
SMITH GARY B, Graff Marc D., Kosaraju Sheela, Phipps Jason, Cumello Joseph, Claflin Bruce L., NEVENS THOMAS MICHAEL, DiPerna Dino, Hoffman Grant, Gage Brodie, Rothenstein David M.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Smith Gary B reported a sale on Oct 01, 2026 valued at $1.09M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $5,733,271.27. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.