Marc D. Graff
Marc D. Graff: EVP & Chief Financial Officer at Ciena. What Marc D. Graff holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Ciena (CIEN)
Marc D. Graff holds 107,233 Ciena shares (0.08% of the company), worth about $41.9M at the last price, according to the Form 4 of Sep 20, 2026.
- Shares held: 107,233 (0.08%), $41.9M — Held in their own name.
Declarations
- Ciena (CIEN) — Form 4 of Sep 20, 2026 (EVP & Chief Financial Officer): shares withheld for tax of 286 at $348.80; 107,233 shares after 0002080157-26-000013
- Ciena (CIEN) — Form 4 of Aug 14, 2026 (SVP & Chief Financial Officer): open-market sale of 4,995 at $430.72; 107,519 shares after 0002080157-26-000010
- Ciena (CIEN) — Form 4 of Aug 1, 2026 (SVP & Chief Financial Officer): shares withheld for tax of 14,441 at $377.05; 112,514 shares after 0002080157-26-000008
- Ciena (CIEN) — Form 4 of Jul 1, 2026 (SVP & Chief Financial Officer): open-market sale of 126 at $466.20; 126,955 shares after 0002080157-26-000006
- Ciena (CIEN) — Form 4 of Jun 24, 2026 (SVP & Chief Financial Officer): open-market sale of 126 at $449.36; 127,081 shares after 0002080157-26-000004
- Ciena (CIEN) — Form 4 of Jun 20, 2026 (SVP & Chief Financial Officer): shares withheld for tax of 199 at $428.22; 127,207 shares after 0002080157-26-000002
- Ciena (CIEN) — Form 4 of Mar 20, 2026 (SVP & Chief Financial Officer): shares withheld for tax of 199 at $383.89; 127,406 shares after 0001123292-26-000499
- Ciena (CIEN) — Form 4 of Dec 16, 2025 (SVP & Chief Financial Officer): grant or award of 9,293; 127,605 shares after 0001123292-25-000763
- Ciena (CIEN) — Form 4 of Aug 1, 2025 (SVP & Chief Financial Officer): grant or award of 118,312; 118,312 shares after 0001062993-25-013625
- Ciena (CIEN) — Form 3 of Aug 1, 2025 (SVP & Chief Financial Officer); 0 shares after 0001062993-25-013624
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.