Claudio A Mannarino

Insider

First SEC filing: June 3, 2026 · Latest: June 3, 2026

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

CECO selling July 30, 2025

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 16 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

16 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 1, 2026	CECO	A	1,107	—	—	7,113 Direct	+18.43%	Acquired	(price as of 2026-08-21)
June 1, 2026	CECO	A	1,108	—	—	78,697 Direct	+1.43%	Acquired	(price as of 2026-08-21)
July 30, 2025	CECO	S	440	$40.41	$17,780	77,589 Direct	-0.56%	Disposed	80.3% (price as of 2026-08-21)
July 30, 2025	CECO	S	11,801	$41.25	$486,791	78,029 Direct	-13.14%	Disposed	76.6% (price as of 2026-08-21)
July 30, 2025	CECO	S	7,759	$41.98	$325,723	89,830 Direct	-7.95%	Disposed	73.5% (price as of 2026-08-21)
June 3, 2025	CECO	A	3,150	—	—	6,006 Direct	+110.29%	Acquired	(price as of 2026-08-21)
June 3, 2025	CECO	A	3,150	—	—	97,589 Direct	+3.34%	Acquired	(price as of 2026-08-21)
May 20, 2024	CECO	A	2,856	$24.51	$70,001	2,856 Direct	—	Acquired	197.2% (price as of 2026-08-21)
May 20, 2024	CECO	A	2,856	—	—	94,439 Direct	+3.12%	Acquired	(price as of 2026-08-21)
June 5, 2023	CECO	A	8,299	—	—	91,583 Direct	+9.96%	Acquired	(price as of 2026-08-21)
June 8, 2022	CECO	A	11,941	—	—	83,284 Direct	+16.74%	Acquired	(price as of 2026-08-21)
May 25, 2021	CECO	A	10,625	—	—	71,343 Direct	+17.50%	Acquired	(price as of 2026-08-21)
June 11, 2020	CECO	A	11,667	—	—	60,718 Direct	+23.79%	Acquired	(price as of 2026-08-21)
June 5, 2019	CECO	A	7,487	—	—	49,051 Direct	+18.01%	Acquired	(price as of 2026-08-21)
June 12, 2018	CECO	A	11,218	—	—	41,564 Direct	+36.97%	Acquired	(price as of 2026-08-21)
Nov. 9, 2017	CECO	P	2,000	$5.80	$11,600	30,346 Direct	+7.06%	Acquired	1155.9% (price as of 2026-08-21)
May 16, 2017	CECO	A	7,642	—	—	28,346 Direct	+36.91%	Acquired	(price as of 2026-08-21)
March 14, 2017	CECO	P	1,500	$10.24	$15,360	20,704 Direct	+7.81%	Acquired	611.3% (price as of 2026-08-21)
May 12, 2016	CECO	A	8,828	—	—	19,204 Direct	-31.49%	Disposed	(price as of 2026-08-21)
May 12, 2016	CECO	A	5,675	—	—	16,051 Direct	+54.69%	Acquired	(price as of 2026-08-21)
Jan. 6, 2016	CECO	P	3,000	$7.12	$21,360	10,376 Direct	+40.67%	Acquired	923.0% (price as of 2026-08-21)
Sept. 4, 2015	CECO	A	7,376	—	—	7,376 Direct	—	Acquired	(price as of 2026-08-21)

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.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
June 1, 2026	CECO	Restricted Stock Units	Common Stock (1,107)	—	—	1,107	Acquired
June 3, 2025	CECO	Restricted Stock Units	Common Stock (3,150)	—	—	3,150	Acquired
May 20, 2024	CECO	Restricted Stock Units	Common Stock (2,856)	—	—	2,856	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).