Dino DiPerna
Dino DiPerna: EVP & Chief R&D Officer at Ciena. What Dino DiPerna 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)
Dino DiPerna holds 37,073 Ciena shares (0.03% of the company), worth about $15.2M at the last price, according to the Form 4 of Sep 20, 2026.
- Shares held: 37,073 (0.03%), $15.2M — Held in their own name.
Declarations
- Ciena (CIEN) — Form 4 of Sep 20, 2026 (EVP & Chief R&D Officer): shares withheld for tax of 204 at $348.80; shares withheld for tax of 444 at $348.80; 37,073 shares after 0001998460-26-000013
- Ciena (CIEN) — Form 4 of Sep 16, 2026 (EVP & Chief R&D Officer): open-market sale of 249 at $324.86; open-market sale of 249 at $350.00; 39,126 shares after 0001998460-26-000011
- Ciena (CIEN) — Form 4 of Jul 15, 2026 (SVP Global R&D): open-market sale of 391 at $449.15; open-market sale of 391 at $449.15; 39,624 shares after 0001998460-26-000009
- Ciena (CIEN) — Form 4 of Jun 20, 2026 (SVP Global R&D): shares withheld for tax of 204 at $428.22; shares withheld for tax of 444 at $428.22; 40,406 shares after 0001998460-26-000007
- Ciena (CIEN) — Form 4 of Apr 15, 2026 (SVP Global R&D): open-market sale of 1,322 at $471.79; open-market sale of 1,507 at $471.79; 42,460 shares after 0001998460-26-000005
- Ciena (CIEN) — Form 4 of Mar 20, 2026 (SVP Global R&D): shares withheld for tax of 204 at $383.89; shares withheld for tax of 444 at $383.89; 45,289 shares after 0001123292-26-000497
- Ciena (CIEN) — Form 4 of Jan 15, 2026 (SVP Global R&D): open-market sale of 2,527 at $246.23; open-market sale of 2,527 at $246.23; 47,341 shares after 0001998460-26-000002
- Ciena (CIEN) — Form 4 of Dec 20, 2025 (SVP Global R&D): shares withheld for tax of 204 at $230.34; shares withheld for tax of 444 at $230.34; 52,395 shares after 0001998460-25-000021
- Ciena (CIEN) — Form 4 of Dec 16, 2025 (SVP Global R&D): grant or award of 14,320; grant or award of 7,387; 59,754 shares after 0001998460-25-000019
- Ciena (CIEN) — Form 4 of Nov 17, 2025 (SVP Global R&D): open-market sale of 1,241 at $190.80; open-market sale of 1,241 at $190.80; 38,047 shares after 0001998460-25-000017
- Ciena (CIEN) — Form 4 of Oct 15, 2025 (SVP Global R&D): open-market sale of 367 at $169.36; open-market sale of 367 at $169.36; 40,529 shares after 0001998460-25-000015
- Ciena (CIEN) — Form 4 of Sep 20, 2025 (SVP Global R&D): shares withheld for tax of 204 at $138.37; shares withheld for tax of 444 at $138.37; 41,263 shares after 0001998460-25-000012
- Ciena (CIEN) — Form 4 of Jul 15, 2025 (SVP Global R&D): open-market sale of 367 at $82.57; open-market sale of 367 at $82.57; 43,388 shares after 0001998460-25-000009
- Ciena (CIEN) — Form 4 of Jun 20, 2025 (SVP Global R&D): shares withheld for tax of 204 at $74.53; shares withheld for tax of 444 at $74.53; 44,122 shares after 0001998460-25-000007
- Ciena (CIEN) — Form 4 of Apr 15, 2025 (SVP Global R&D): open-market sale of 367 at $58.51; open-market sale of 367 at $58.51; 46,247 shares after 0001998460-25-000005
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.
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