LYTIR

Insider · SEC Form 4 · SVP & Chief Financial Officer

Marc D. Graff

Filed with the SEC as Graff Marc D.; the order above is the one the filer's own signature uses.

In the 12 months to Nov 8, 2026, on the open market: sold $2.3M of CIEN. Filed a median of 2 business days after the trade.

Open-market purchases and sales this filer reported on SEC Form 4, by the day traded. Insiders have two business days to file. A sale marked 10b5-1 was made under a plan adopted in advance. How to read these

Insider purchases and sales, by month (last 12 months)Insider purchases: $0 in total; Insider sales: $2.3M in total.Jun: Insider sales $57KJul: Insider sales $59KAug: Insider sales $2.2MOct: Insider sales $34KDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $0Insider sales below: $2.3M
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.
  1. CIENSold: CIENA CORP Oct 1, 2026 97 shares filed Oct 6, 2026 107,136 shares held directly after, as filed 10b5-1 plan filing $34K
  2. CIENSold: CIENA CORP Aug 14, 2026 4,995 shares filed Aug 18, 2026 107,519 shares held directly after, as filed 10b5-1 plan filing $2.2M
  3. CIENSold: CIENA CORP Jul 1, 2026 126 shares filed Jul 6, 2026 126,955 shares held directly after, as filed 10b5-1 plan filing $59K
  4. CIENSold: CIENA CORP Jun 24, 2026 126 shares filed Jun 26, 2026 127,081 shares held directly after, as filed 10b5-1 plan filing $57K

Source: SEC Form 4 filings. Value is shares × the price reported on the filing; a filing whose price failed Lytir's check against the market price is left out, and a trade that related owners reported on separate forms is counted once. Filings can be late, amended or wrong at the source; see methodology.

Other Form 4 entries

Not counted above: entries this filer reported on Form 4 in the same 12 months that are not open-market purchases or sales. Each entry is one line of a filing.

  • CIEN: shares withheld for tax or exercise price (code F), 4 entries, Jun 20 to Nov 1, 2026
Code F
Shares paid to, or withheld by, the company to cover an exercise price or the tax due on an award.

Source: the same SEC Form 4 filings. The codes are the SEC's own transaction codes; the meanings above are a plain-words reading of the SEC's Form 4 instructions.