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.

Insider signal Bearish Selling ran elevated versus 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
0
0 transactions
Insiders selling
2
3 transactions
Purchases
$0
0 shares
Sales
$9.5M
98,000 shares
Net activity
-$9.5M
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 $9.5M 3 transactions · 98,000 shares

Largest single sale: $3.3M.

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

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.