Marc D. Graff

CIK: 0002080157

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)4 (40.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (20.0%)

Compensation grants

Other (G, F, J, C, D, …)4 (40.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

CIEN

CIENA CORP

Officer

Discretionary Trading P&L

Holdings

Transaction History (10 total)

CIEN
CIENA CORP
Oct 1, 2026
Sale(S)
Direct
97 shares at avg. $355.19$34K
CIEN
CIENA CORP
Sep 20, 2026
Tax Payment(F)
Direct
286 shares at avg. $348.80$100K
CIEN
CIENA CORP
Aug 14, 2026
Sale(S)
Direct
5K shares at avg. $430.72$2.2M
CIEN
CIENA CORP
Aug 1, 2026
Tax Payment(F)
Direct
14.4K shares at avg. $377.05$5.4M
CIEN
CIENA CORP
Jul 1, 2026
Sale(S)
Direct
126 shares at avg. $466.20$59K
CIEN
CIENA CORP
Jun 24, 2026
Sale(S)
Direct
126 shares at avg. $449.36$57K
CIEN
CIENA CORP
Jun 20, 2026
Tax Payment(F)
Direct
199 shares at avg. $428.22$85K
CIEN
CIENA CORP
Mar 20, 2026
Tax Payment(F)
Direct
199 shares at avg. $383.89$76K
CIEN
CIENA CORP
Dec 16, 2025
Award(A)
Direct
9.3K shares-
CIEN
CIENA CORP
Aug 1, 2025
Award(A)
Direct
118.3K shares-

		Type	Shares	Price		Ownership
Oct 1, 2026	CIEN CIENA CORP	Sale(S)	97	$355.19	$34,453	Direct
Sep 20, 2026	CIEN CIENA CORP	Tax Payment(F)	286	$348.80	$99,757	Direct
Aug 14, 2026	CIEN CIENA CORP	Sale(S)	4,995	$430.72	$2,151,435	Direct
Aug 1, 2026	CIEN CIENA CORP	Tax Payment(F)	14,441	$377.05	$5,444,979	Direct
Jul 1, 2026	CIEN CIENA CORP	Sale(S)	126	$466.20	$58,741	Direct
Jun 24, 2026	CIEN CIENA CORP	Sale(S)	126	$449.36	$56,619	Direct
Jun 20, 2026	CIEN CIENA CORP	Tax Payment(F)	199	$428.22	$85,216	Direct
Mar 20, 2026	CIEN CIENA CORP	Tax Payment(F)	199	$383.89	$76,394	Direct
Dec 16, 2025	CIEN CIENA CORP	Award(A)	9,293	-	-	Direct
Aug 1, 2025	CIEN CIENA CORP	Award(A)	118,312	-	-	Direct

1-10 of 10 transactions

About Graff Marc D.

Graff Marc D. (SEC CIK 0002080157) files insider reports with the SEC as EVP & Chief Financial Officer of CIENA CORP (CIEN).

Signal8 holds 11 ownership filings by Graff Marc D. (1 Form 3, 10 Form 4), filed between Aug 5, 2025 and Oct 6, 2026. Those filings report 10 transactions, from Aug 1, 2025 to Oct 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Graff Marc D.'s filings is in FULTON, MD.

Recent filings by Graff Marc D.

Oct 1, 2026: Open-market sale of CIEN shares (Form 4, code S).
Sep 20, 2026: Tax withholding of CIEN shares (Form 4, code F).
Aug 14, 2026: Open-market sale of CIEN shares (Form 4, code S).
Aug 1, 2026: Tax withholding of CIEN shares (Form 4, code F).
Jul 1, 2026: Open-market sale of CIEN shares (Form 4, code S).

Other insiders filing for CIENA CORP (CIEN)

Gage Brodie, EVP & Chief Product & Tech
DiPerna Dino, EVP & Chief R&D Officer
SMITH GARY B, President & CEO
Rothenstein David M, EVP & Chief Strategy Officer
Kosaraju Sheela, EVP & Chief Legal Officer
Phipps Jason, EVP & Chief Customer Officer

How to read Form 4 transaction codes