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Major CECO Environmental (CECO) holder signs Thermon voting pact

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
SCHEDULE 13D/A

Rhea-AI Filing Summary

CECO Environmental’s major shareholder updated their Schedule 13D after signing a voting agreement tied to CECO’s planned merger with Thermon Group Holdings. Jason DeZwirek is reported as beneficial owner of 4,198,111 shares of CECO common stock, or 11.7% of 35,665,813 shares outstanding as of February 19, 2026.

Through Icarus Investment Corp. and 0to100 Inc., DeZwirek controls additional shares and has agreed, subject to specified conditions, not to transfer these holdings and to vote them in favor of issuing CECO stock to complete the Thermon merger and against competing acquisition or restructuring proposals until the agreement terminates.

Positive

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Negative

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Insights

Large CECO holder locks in support for the Thermon stock-for-merger vote.

The filing shows Jason DeZwirek, through entities including Icarus Investment Corp. and 0to100 Inc., beneficially owns 4,198,111 CECO shares, or 11.7% of the common stock outstanding as of February 19, 2026. This makes him a significant voting bloc in the merger process.

Under the Voting Agreement, these shares, plus any additional CECO equity acquired before the specified termination triggers, are committed to support the stock issuance and related proposals needed to close CECO’s merger with Thermon Group Holdings, Inc. They must also be voted against competing acquisition or restructuring proposals.

If the Reporting Persons do not vote as agreed by the third business day before the shareholder meeting, Thermon receives an irrevocable proxy to vote these securities per the agreement. This structure increases the likelihood that CECO secures the shareholder approval required for the Thermon transaction, though the final outcome still depends on broader shareholder voting and fulfillment of merger conditions.






If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D


Jason DeZwirek
Signature:/s/ Jason DeZwirek
Name/Title:Jason DeZwirek
Date:02/26/2026
Icarus Investment Corp.
Signature:/s/ Jason DeZwirek
Name/Title:Jason DeZwirek
Date:02/26/2026
0to100 Inc.
Signature:/s/ Jason DeZwirek
Name/Title:Jason DeZwirek
Date:02/26/2026

FAQ

How many CECO (CECO) shares does Jason DeZwirek beneficially own under this Schedule 13D/A?

Jason DeZwirek is reported as beneficial owner of 4,198,111 shares of CECO common stock, representing 11.7% of the class, based on 35,665,813 shares outstanding as of February 19, 2026, including shares held through Icarus Investment Corp. and 0to100 Inc.

What is the purpose of the new Voting Agreement described in CECO’s Schedule 13D/A amendment?

The Voting Agreement commits the Reporting Persons to support CECO’s merger with Thermon. They agree not to transfer specified CECO shares and to vote them in favor of the stock issuance and related merger proposals, and against competing acquisition or restructuring proposals, until the agreement terminates under defined conditions.

How many CECO shares do Icarus Investment Corp. and 0to100 Inc. hold in this filing?

Icarus Investment Corp. holds 2,770,546 shares of CECO common stock, equal to 7.8% of the class, with shared voting and dispositive power. 0to100 Inc. holds 200,000 shares, representing 0.6%, also with shared voting and dispositive power as disclosed.

How does the Thermon merger affect the CECO (CECO) Reporting Persons’ voting commitments?

Because of the Thermon merger, the Reporting Persons agreed to vote all covered CECO shares for the stock issuance and merger-related proposals. They must vote against competing acquisition, reorganization, or dissolution proposals that could interfere with closing the Mergers, until the agreement terminates under specified events.

What happens if the Reporting Persons do not vote their CECO shares as required by the Voting Agreement?

If they fail to act by the third business day before any stockholder meeting on these matters, the Reporting Persons irrevocably grant Thermon, or its designee, a proxy to vote the shares as specified in the Voting Agreement, ensuring their shares align with the agreed merger support.

On what share count is the 11.7% CECO ownership calculation based in this Schedule 13D/A?

The reported 11.7% ownership for Jason DeZwirek is calculated using 35,665,813 CECO common shares outstanding as of February 19, 2026. This base share count is explicitly stated and underpins the percentage figures disclosed for each Reporting Person.
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