Ciena (NYSE: CIEN) SVP & General Counsel receives PSU and RSU grants

Rhea-AI Filing Summary

Ciena Corporation executive Sheela Kosaraju, SVP and General Counsel, reported new equity awards in Ciena common stock. On December 16, 2025, she acquired 13,049 stock units earned under a performance stock unit award originally granted on December 17, 2024 after meeting the related performance conditions. These shares vest in two equal installments on December 20, 2025 and December 20, 2026.

On the same date, she also acquired 6,672 restricted stock units that vest over four years, with one‑sixteenth of the grant vesting on March 20, June 20, September 20, and December 20 of each year, starting March 20, 2026. Following these transactions, she beneficially owned 104,382 Ciena shares, which include unvested restricted stock units and performance stock units.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Kosaraju Sheela

(Last) (First) (Middle)

C/O CIENA CORPORATION

7035 RIDGE RD.

(Street)

HANOVER MD 21076-1426

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CIENA CORP [ CIEN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP and General Counsel

3. Date of Earliest Transaction (Month/Day/Year)
12/16/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	12/16/2025		A		13,049(1)	A	$0.0	97,710(2)	D
Common Stock	12/16/2025		A		6,672(3)	A	$0.0	104,382(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Reflects the number of stock units earned pursuant to the terms of a performance stock unit (PSU) award granted on December 17, 2024 reflecting the achievement of the related performance conditions. These shares vest in equal 1/2 amounts on each of December 20, 2025 and 2026.

2. Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).

3. Reflects Restricted Stock Units (RSUs) that vest over four years, with one-sixteenth of the grant amount vesting on March 20, June 20, September 20, and December 20 of each year, commencing on March 20, 2026.

	By: Michelle Rankin For: Sheela Kosaraju	12/17/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What insider transaction did Ciena (CIEN) report for Sheela Kosaraju?

The report shows that SVP and General Counsel Sheela Kosaraju acquired Ciena common stock through equity awards on December 16, 2025, rather than through open-market buying or selling.

How many Ciena (CIEN) performance stock units did Sheela Kosaraju earn?

She earned 13,049 stock units under a performance stock unit (PSU) award granted on December 17, 2024, reflecting achievement of the related performance conditions.

What is the vesting schedule for Sheela Kosaraju’s Ciena (CIEN) PSU shares?

The 13,049 PSU shares vest in two equal halves on December 20, 2025 and December 20, 2026, as described in the filing.

What restricted stock units did Sheela Kosaraju receive from Ciena (CIEN)?

She received 6,672 restricted stock units (RSUs) that vest over four years, with one‑sixteenth of the grant vesting on March 20, June 20, September 20, and December 20 each year, starting March 20, 2026.

How many Ciena (CIEN) shares does Sheela Kosaraju beneficially own after these awards?

After the reported transactions, she beneficially owned 104,382 Ciena shares, which the filing states include unvested RSUs and PSUs.

Did the Ciena (CIEN) insider equity awards have a cash purchase price?

The table lists the acquisitions of 13,049 and 6,672 Ciena common shares at a reported price of $0.0 per share, consistent with stock unit awards rather than market purchases.