Dino Diperna

Insider

First SEC filing: Oct. 31, 2023 · Latest: Oct. 31, 2023

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Insider at

0 buys (P) 2 sells (S) Net: $-351,236 + 11 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

11 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 15, 2026	CIEN	S 10b5-1	391	$449.15	$175,618	39,624 Direct	-0.98%	Disposed	-11.8% (price as of 2026-08-19)
July 15, 2026	CIEN	S 10b5-1	391	$449.15	$175,618	40,015 Direct	-0.97%	Disposed	-11.8% (price as of 2026-08-19)
June 20, 2026	CIEN	F	248	$428.22	$106,199	40,406 Direct	-0.61%	Disposed	-7.5% (price as of 2026-08-19)
June 20, 2026	CIEN	F	428	$428.22	$183,278	40,654 Direct	-1.04%	Disposed	-7.5% (price as of 2026-08-19)
June 20, 2026	CIEN	F	730	$428.22	$312,601	41,082 Direct	-1.75%	Disposed	-7.5% (price as of 2026-08-19)
June 20, 2026	CIEN	F	444	$428.22	$190,130	41,812 Direct	-1.05%	Disposed	-7.5% (price as of 2026-08-19)
June 20, 2026	CIEN	F	204	$428.22	$87,357	42,256 Direct	-0.48%	Disposed	-7.5% (price as of 2026-08-19)
March 20, 2026	CIEN	F	247	$383.89	$94,821	45,289 Direct	-0.54%	Disposed	3.2% (price as of 2026-08-19)
March 20, 2026	CIEN	F	427	$383.89	$163,921	45,536 Direct	-0.93%	Disposed	3.2% (price as of 2026-08-19)
March 20, 2026	CIEN	F	730	$383.89	$280,240	45,963 Direct	-1.56%	Disposed	3.2% (price as of 2026-08-19)
March 20, 2026	CIEN	F	444	$383.89	$170,447	46,693 Direct	-0.94%	Disposed	3.2% (price as of 2026-08-19)
March 20, 2026	CIEN	F	204	$383.89	$78,314	47,137 Direct	-0.43%	Disposed	3.2% (price as of 2026-08-19)
Oct. 27, 2023	CIEN	A	6,095	—	—	28,677 Direct	+26.99%	Acquired	(price as of 2026-08-19)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Oct. 31, 2023	CIEN	Common Stock	—	Direct

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2025	$474,662	—	—	—	—	—	—	$3,797,684
2024	$473,330	—	—	—	—	—	—	$2,797,554

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.