CECO CECO Environmental Corp.

NASDAQ
$70.67

CECO Environmental Corp. (CECO) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with CECO's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 2 sellers in the last 90 days
Insiders buying
1
3 transactions
Insiders selling
4
9 transactions
Purchases
$2.6M
35,000 shares
Sales
$25.4M
409,218 shares
Net activity
-$22.8M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $25.4M 9 transactions · 409,218 shares

Largest single sale: $5.1M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: June 1, 2026 , by WALLMAN RICHARD F .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
DEZWIREK JASON Director Sell 34,000 $97.28 $3.3M 132,000 −20.5% of holding
DEZWIREK JASON Director Sell 34,000 $96.61 $3.3M 166,000 −17% of holding
Johansson Peter K. SVP, Chief Financial Officer Sell 30,000 $96.49 $2.9M 40,746 −42.4% of holding
WALLMAN RICHARD F Director Buy 20,000 $76.85 $1.5M 105,500
Nanda Munish Director Sell 11,218 $74.00 $830.1K 62,031 −15.3% of holding
WALLMAN RICHARD F 2 fills Director Buy 15,000 $73.43 $1.1M 229,909
Gleason Todd R Chief Executive Officer Sell 98,101 $50.45 $4.9M 410,835 −19.3% of holding
Gleason Todd R 3 fills Chief Executive Officer Sell 101,899 $49.32 $5.0M 427,734 −19.2% of holding
Gleason Todd R Chief Executive Officer Sell 100,000 $51.30 $5.1M 410,835 −19.6% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.