DiPerna Dino
Officer · CIEN
As of 2026-09-27, DiPerna Dino has 84 Form 4 transactions on record across 1 company — 37 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in July in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $13.2M
- Indirect $0
| CIEN | direct | 37,073 sh | $13.2M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-16 | CIEN | Sale | 249 @ $350.00 | $87K | −0.6% of holding | 39,126 | Form 4 |
| 2026-09-15 | CIEN | Sale | 249 @ $324.86 | $81K | −0.6% of holding | 39,375 | Form 4 |
| 2026-07-15 | CIEN | Sale | 391 @ $449.15 | $176K | −1.0% of holding | 39,624 | Form 4 |
| 2026-07-15 | CIEN | Sale | 391 @ $449.15 | $176K | −1.0% of holding | 40,015 | Form 4 |
| 2026-04-15 | CIEN | Sale | 1,507 @ $471.79 | $711K | −3.4% of holding | 42,460 | Form 4 |
| 2026-04-15 | CIEN | Sale | 1,322 @ $471.79 | $624K | −2.9% of holding | 43,967 | Form 4 |
| 2026-01-15 | CIEN | Sale | 2,527 @ $246.23 | $622K | −4.8% of holding | 49,868 | Form 4 |
| 2026-01-15 | CIEN | Sale | 2,527 @ $246.23 | $622K | −5.1% of holding | 47,341 | Form 4 |
| 2025-11-17 | CIEN | Sale | 1,241 @ $190.80 | $237K | −3.2% of holding | 38,047 | Form 4 |
| 2025-11-17 | CIEN | Sale | 1,241 @ $190.80 | $237K | −3.1% of holding | 39,288 | Form 4 |
| 2025-10-15 | CIEN | Sale | 367 @ $169.36 | $62K | −0.9% of holding | 40,529 | Form 4 |
| 2025-10-15 | CIEN | Sale | 367 @ $169.36 | $62K | −0.9% of holding | 40,896 | Form 4 |
| 2025-07-15 | CIEN | Sale | 367 @ $82.57 | $30K | −0.8% of holding | 43,755 | Form 4 |
| 2025-07-15 | CIEN | Sale | 367 @ $82.57 | $30K | −0.8% of holding | 43,388 | Form 4 |
| 2025-04-15 | CIEN | Sale | 367 @ $58.51 | $21K | −0.8% of holding | 46,247 | Form 4 |
| 2025-04-15 | CIEN | Sale | 367 @ $58.51 | $21K | −0.8% of holding | 46,614 | Form 4 |
| 2024-12-26 | CIEN | Sale | 1,341 @ $87.64 | $118K | −2.6% of holding | 50,607 | Form 4 |
| 2024-12-26 | CIEN | Sale | 1,341 @ $87.64 | $118K | −2.5% of holding | 51,948 | Form 4 |
| 2024-07-01 | CIEN | Sale | 245 @ $48.29 | $12K | −0.6% of holding | 40,825 | Form 4 |
| 2024-07-01 | CIEN | Sale | 245 @ $48.29 | $12K | −0.6% of holding | 41,070 | Form 4 |
| 2024-04-01 | CIEN | Sale | 490 @ $49.61 | $24K | −1.1% of holding | 43,380 | Form 4 |
63 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-20 | CIEN | Withheld for tax | 730 | 37,748 | Form 4 |
| 2026-09-20 | CIEN | Withheld for tax | 444 | 38,478 | Form 4 |
| 2026-09-20 | CIEN | Withheld for tax | 428 | 37,320 | Form 4 |
| 2026-09-20 | CIEN | Withheld for tax | 247 | 37,073 | Form 4 |
| 2026-09-20 | CIEN | Withheld for tax | 204 | 38,922 | Form 4 |
| 2026-06-20 | CIEN | Withheld for tax | 730 | 41,082 | Form 4 |
| 2026-06-20 | CIEN | Withheld for tax | 444 | 41,812 | Form 4 |
| 2026-06-20 | CIEN | Withheld for tax | 428 | 40,654 | Form 4 |
| 2026-06-20 | CIEN | Withheld for tax | 248 | 40,406 | Form 4 |
| 2026-06-20 | CIEN | Withheld for tax | 204 | 42,256 | Form 4 |
| 2026-03-20 | CIEN | Withheld for tax | 730 | 45,963 | Form 4 |
| 2026-03-20 | CIEN | Withheld for tax | 444 | 46,693 | Form 4 |
| 2026-03-20 | CIEN | Withheld for tax | 427 | 45,536 | Form 4 |
| 2026-03-20 | CIEN | Withheld for tax | 247 | 45,289 | Form 4 |
| 2026-03-20 | CIEN | Withheld for tax | 204 | 47,137 | Form 4 |
| 2025-12-20 | CIEN | Withheld for tax | 2,050 | 53,796 | Form 4 |
| 2025-12-20 | CIEN | Withheld for tax | 1,783 | 55,846 | Form 4 |
| 2025-12-20 | CIEN | Withheld for tax | 1,401 | 52,395 | Form 4 |
| 2025-12-20 | CIEN | Withheld for tax | 730 | 58,376 | Form 4 |
| 2025-12-20 | CIEN | Withheld for tax | 444 | 59,106 | Form 4 |
| 2025-12-20 | CIEN | Withheld for tax | 428 | 57,948 | Form 4 |
| 2025-12-20 | CIEN | Withheld for tax | 319 | 57,629 | Form 4 |
| 2025-12-20 | CIEN | Withheld for tax | 204 | 59,550 | Form 4 |
| 2025-12-16 | CIEN | Award / grant | 7,387 | 59,754 | Form 4 |
| 2025-12-16 | CIEN | Award / grant | 14,320 | 52,367 | Form 4 |
| 2025-09-20 | CIEN | Withheld for tax | 730 | 42,010 | Form 4 |
| 2025-09-20 | CIEN | Withheld for tax | 444 | 42,740 | Form 4 |
| 2025-09-20 | CIEN | Withheld for tax | 428 | 41,582 | Form 4 |
| 2025-09-20 | CIEN | Withheld for tax | 319 | 41,263 | Form 4 |
| 2025-09-20 | CIEN | Withheld for tax | 204 | 43,184 | Form 4 |
| 2025-06-20 | CIEN | Withheld for tax | 730 | 44,869 | Form 4 |
| 2025-06-20 | CIEN | Withheld for tax | 444 | 45,599 | Form 4 |
| 2025-06-20 | CIEN | Withheld for tax | 428 | 44,441 | Form 4 |
| 2025-06-20 | CIEN | Withheld for tax | 319 | 44,122 | Form 4 |
| 2025-06-20 | CIEN | Withheld for tax | 204 | 46,043 | Form 4 |
| 2025-03-20 | CIEN | Withheld for tax | 730 | 47,727 | Form 4 |
| 2025-03-20 | CIEN | Withheld for tax | 444 | 48,457 | Form 4 |
| 2025-03-20 | CIEN | Withheld for tax | 427 | 47,300 | Form 4 |
| 2025-03-20 | CIEN | Withheld for tax | 319 | 46,981 | Form 4 |
| 2025-03-20 | CIEN | Withheld for tax | 204 | 48,901 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.