Bruce L. Claflin
Bruce L. Claflin: Director at Ciena. What Bruce L. Claflin 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)
Bruce L. Claflin holds 59,122 Ciena shares (0.04% of the company), worth about $23.1M at the last price, according to the Form 4 of Sep 24, 2026.
- Shares held: 50,843 (0.04%), $19.9M — Held in their own name.
- Shares held: 8,279 (0.01%), $3.2M — Held through trusts (By spousal trust).
Declarations
- Ciena (CIEN) — Form 4 of Sep 24, 2026: open-market sale of 2,857 at $355.91; 59,122 shares after 0001123292-26-001329
- Ciena (CIEN) — Form 4 of Mar 26, 2026: grant or award of 605; 61,979 shares after 0001403694-26-000002
- Ciena (CIEN) — Form 4 of Sep 24, 2025: open-market sale of 8,461 at $140.12; gift of 4,386; 61,374 shares after 0001403694-25-000012
- Ciena (CIEN) — Form 4 of Mar 27, 2025: grant or award of 3,738; 74,221 shares after 0001403694-25-000007
- Ciena (CIEN) — Form 4 of Jan 6, 2025: open-market sale of 16,912 at $84.96; 70,483 shares after 0001403694-25-000003
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.