CECO ENVIRONMENTAL CORP·4

Jun 3, 7:02 PM ET

Harris-Peterson Candace 4

4 · CECO ENVIRONMENTAL CORP · Filed Jun 3, 2026

Research Summary

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CECO CHRO Candace Harris-Peterson Receives RSU Awards

What Happened Candace Harris-Peterson, Chief Human Resources Officer of CECO Environmental Corp., was granted/assumed six converted restricted stock unit awards (transaction code A) on June 1, 2026, totaling 18,886 shares (3,133; 2,735; 6,313; 1,401; 4,679; 625). No purchase price is reported (N/A) because these are awards converted from Thermon equity in connection with CECO’s merger with Thermon. This is an awards/grant event (not a buy or sale) and does not by itself indicate a trading view.

Key Details

  • Transaction date: June 1, 2026; Form 4 filed June 3, 2026 (appears timely).
  • Shares reported acquired: 18,886 total (individual awards: 3,133; 2,735; 6,313; 1,401; 4,679; 625). Price: N/A (awards).
  • Shares owned after transaction: not specified in the extract of this filing.
  • Notable footnotes: awards are Converted RSU Awards assumed from Thermon grants under the merger agreement; conversion used a 0.8110 ratio. Grants originate from multiple dates (2023–2026) with staggered vesting and some performance-unit awards with later vesting (see footnotes F1–F8).
  • Transaction code: A = Award/Grant.

Context These awards arise from the Merger Agreement in which Thermon equity was assumed and converted into CECO RSUs/awards (conversion ratio 0.8110). Vesting schedules vary by grant—some awards are fully vested, others vest in installments across 2026–2029, and certain performance units vest in 2027–2028—so not all 18,886 shares may be immediately transferable. Because this is an award/conversion event (not a market purchase or sale), it should be interpreted as compensation/merger-related rather than a direct insider market signal.

Insider Transaction Report

Form 4
Period: 2026-06-01
Harris-Peterson Candace
Chief Human Resources Officer
Transactions
  • Award

    Common Stock

    [F3][F1][F2]
    2026-06-01+3,1333,133 total
  • Award

    Common Stock

    [F4][F1][F2]
    2026-06-01+2,7355,868 total
  • Award

    Common Stock

    [F5][F1][F2]
    2026-06-01+6,31312,181 total
  • Award

    Common Stock

    [F6][F1][F2]
    2026-06-01+1,40113,582 total
  • Award

    Common Stock

    [F7][F1][F2]
    2026-06-01+4,67918,261 total
  • Award

    Common Stock

    [F8][F1][F2]
    2026-06-01+62518,886 total
Footnotes (8)
  • [F1]On June 1, 2026 (the "Closing Date"), pursuant to an Agreement and Plan of Merger, dated as of February 23, 2026 (the "Merger Agreement"), by and among CECO Environmental Corp. (the "Issuer"), Thermon Group Holdings, Inc. ("Thermon"), Longhorn Merger Sub, Inc. ("Merger Sub, Inc.") and Longhorn Merger Sub LLC ("Merger Sub LLC"), (i) Merger Sub, Inc. merged with and into Thermon, with Thermon continuing as a wholly-owned subsidiary of the Issuer and the surviving corporation of the merger (the "First Merger") and (ii) Thermon, as the surviving corporation of the First Merger, merged with and into Merger Sub LLC, with Merger Sub LLC being the surviving entity of the merger.
  • [F2](Continued from Footnote 1) Pursuant to the Merger Agreement, at the effective time of the First Merger (the "Effective Time"), each outstanding restricted stock unit of Thermon (each a "Thermon RSU") and outstanding award of performance units (each a "Thermon PU"), was automatically assumed by the Issuer and converted into a restricted stock unit with respect to a number of shares of the Issuer's common stock equal to the product of (x) the number of shares of Thermon's common stock subject to such Thermon RSU or Thermon PU and (y) 0.8110 (each, a "Converted RSU Award").
  • [F3]On May 12, 2026, the Reporting Person was granted an award of Thermon RSUs, which was assumed and converted into a Converted RSU Award that vests in equal installments on each of June 1, 2027, June 1, 2028 and June 1, 2029.
  • [F4]On June 1, 2025, the Reporting Person was granted an award of Thermon RSUs, which was assumed and converted into a Converted RSU Award that vested as to one-third on June 1, 2026 and vests as to one-third on each of June 1, 2027 and June 1, 2028.
  • [F5]On June 1, 2025, the Reporting Person was granted an award of Thermon PUs, which was assumed and converted into a Converted RSU Award that vests in full on March 31, 2028.
  • [F6]On June 1, 2024, the Reporting Person was granted an award of Thermon RSUs, which was assumed and converted into a Converted RSU Award that vested as to one-half on June 1, 2026 and vests as to one-half on June 1, 2027.
  • [F7]On June 1, 2024, the Reporting Person was granted an award of Thermon PUs, which was assumed and converted into a Converted RSU Award that vests in full on March 31, 2027.
  • [F8]On June 1, 2023, the Reporting Person was granted an award of Thermon RSUs, which was assumed and converted into a fully vested Converted RSU Award.
Signature
/s/ Kiril Kovachev as Attorney-in-Fact for Candace Harris-Peterson|2026-06-03

Documents

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