Insider trading

Period: 120 months Stock: CNM + Add filter Clear all
Views & alerts

Save your view. Keep the filter you have built, and get an email when a new filing matches it. A free account does both.

When

Period

How far back the list reaches. Filings arrive days after the trade, so the newest rows always lag a little.

115 decisions over 120 months
Who

Role

The position the person holds at the company, read from the title on the filing. A chief executive who is also a director counts as the chief executive.

115 decisions over 120 months
The trade

Type of trade

Purchases, sales, or cluster buys: companies where 3 or more insiders bought within 30 days. The number beside each is what that choice would give.

115 decisions over 120 months
The trade

Minimum amount

Hides rows under this value. The amount is the shares traded times the price on the filing.

115 decisions over 120 months
The trade

Plan

  • Discretionary: they chose to sell that week.
  • Scheduled: a 10b5-1 plan fixed the sale months in advance, so the timing says nothing about what they knew.
  • Not stated: filed before the SEC added the box in April 2023, which is most of the older half of this database.
115 decisions over 120 months
The trade

Share of their own holding

How much of what they already held the trade moved. Selling a tenth of a stake is not the same act as selling all of it.

At least
115 decisions over 120 months
Ownership

What the chief executive holds

The value of the chief executive’s stock measured against base salary. The salary comes from the company’s own proxy. Companies with no figure are in neither direction.

115 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
6 Jul 2026
Hope James D Director
Bought
$95.11K 2,067 at 46.01
21.2%
+21% of stake
17 Apr 2026
Bradbury Robyn L Chief Financial Officer
Sold on a plan 2×
$262.72K 5,000 at 52.54
28.6%
Planned (10b5-1)
7 Apr 2026
Hope James D Director
Bought
$99.97K 1,972 at 50.70
39.7%
First buy on file
18 Aug 2025
Witkowski Mark R Chief Executive Officer
Sold on a plan
$6.41M 100,000 at 64.08
73.6%
Sold half or more
22 Jul 2025
Bradbury Robyn L Chief Financial Officer
Sold on a plan
$322.55K 5,000 at 64.51
36.9%
Planned (10b5-1)
18 Jul 2025
Castellano James G Director · indirect
Sold on a plan
$2.73M 43,994 at 61.98
100%
Sold half or more
18 Jul 2025
Sold on a plan
$1.48M 23,962 at 61.77
63.2%
Sold half or more
17 Jul 2025
Witkowski Mark R Chief Executive Officer
Sold on a plan 2×
$6.13M 100,000 at 61.26
73.6%
Sold half or more
7 Jul 2025
LeClair Stephen O Executive Chair
Sold at will
$2.78M 44,972 at 61.91
38.9%
Not planned
3 Jul 2025
LeClair Stephen O Executive Chair
Sold at will
$4.98M 80,028 at 62.27
53.1%
Sold half or more
1 Jul 2025
Bradbury Robyn L Chief Financial Officer
Sold on a plan 3×
$1.51M 25,000 at 60.49
74.5%
Sold half or more
9 Jun 2025
Whittenburg Mark G General Counsel and Secretary
Sold on a plan
$2.95M 49,100 at 60.03
83.5%
Sold half or more
6 Jun 2025
Whittenburg Mark G General Counsel and Secretary
Sold on a plan
$54.02K 900 at 60.03
8.5%
Planned (10b5-1)
3 Jun 2025
Schneider Laura K Chief Human Resources Officer
Sold on a plan
$2.57M 45,695 at 56.25
78.0%
Sold half or more
28 May 2025
Schaller John R Executive Vice President
Sold on a plan
$538.67K 9,794 at 55.00
33.2%
Planned (10b5-1)
29 Apr 2025
Stephens John Weldon Chief Accounting Officer
Sold on a plan
$1.68M 31,750 at 53.03
88.5%
Sold half or more
28 Apr 2025
Stephens John Weldon Chief Accounting Officer
Sold on a plan
$541.57K 10,214 at 53.02
71.3%
Sold half or more
2 Apr 2025
Stephens John Weldon Chief Accounting Officer
Sold on a plan
$2.12M 41,963 at 50.48
91.1%
Sold half or more
11 Mar 2025
Schaller John R Executive Vice President
Sold on a plan
$868.14K 19,292 at 45.00
55.5%
Sold half or more
10 Mar 2025
Schaller John R Executive Vice President
Sold on a plan
$1.02M 21,868 at 46.82
57.1%
Sold half or more
10 Feb 2025
Cowles Bradford A President
Sold on a plan
$1.36M 25,000 at 54.48
61.0%
Sold half or more
16 Jan 2025
Whittenburg Mark G General Counsel and Secretary
Sold on a plan
$2.65M 48,026 at 55.13
86.2%
Sold half or more
15 Jan 2025
Whittenburg Mark G General Counsel and Secretary
Sold on a plan
$109.13K 1,974 at 55.29
20.5%
Planned (10b5-1)
14 Jan 2025
Cowles Bradford A President
Sold on a plan
$675.90K 12,500 at 54.07
43.8%
Planned (10b5-1)
10 Jan 2025
Schaller John R Executive Vice President
Sold on a plan 3×
$3.06M 60,452 at 50.57
77.2%
Sold half or more
10 Jan 2025
Whittenburg Mark G General Counsel and Secretary
Sold on a plan
$2.52M 50,000 at 50.49
86.7%
Sold half or more
10 Jan 2025
Cowles Bradford A President
Sold on a plan
$631.19K 12,500 at 50.50
43.8%
Planned (10b5-1)
3 Dec 2024
LeClair Stephen O Chief Executive Officer
Sold on a plan
$10.98M 200,000 at 54.88
68.4%
Sold half or more
3 Dec 2024
Cowles Bradford A President
Sold on a plan
$2.75M 50,000 at 55.07
73.1%
Sold half or more
3 Dec 2024
Giles Jeffrey D EVP, Corporate Department
Sold on a plan
$1.37M 25,000 at 54.71
68.3%
Sold half or more
3 Dec 2024
NEWMAN MARGARET Director
Sold on a plan
$828.69K 15,000 at 55.25
56.0%
Sold half or more
16 Jul 2024
Gipson Dennis G Director · indirect
Sold on a plan
$1.33M 25,000 at 53.08
100%
Sold half or more
15 Jul 2024
Castellano James G Director · indirect
Sold on a plan
$652.79K 12,500 at 52.22
100%
Sold half or more
11 Jul 2024
Castellano James G Director · indirect
Sold on a plan
$623.57K 12,300 at 50.70
100%
Sold half or more
10 Jul 2024
Castellano James G Director · indirect
Sold on a plan
$10.00K 200 at 50.01
100%
Sold half or more
8 May 2024
Witkowski Mark R Chief Financial Officer
Sold on a plan
$2.98M 50,000 at 59.50
67.7%
Sold half or more
23 Apr 2024
Stephens John Weldon Chief Accounting Officer
Sold on a plan
$524.13K 9,497 at 55.19
68.9%
Sold half or more
19 Apr 2024
Whittenburg Mark G General Counsel and Secretary
Sold on a plan
$2.70M 50,000 at 54.08
79.4%
Sold half or more
19 Apr 2024
Stephens John Weldon Chief Accounting Officer
Sold on a plan
$298.43K 5,503 at 54.23
56.2%
Sold half or more
8 Apr 2024
Witkowski Mark R Chief Financial Officer
Sold on a plan
$2.93M 50,000 at 58.51
67.7%
Sold half or more
22 Mar 2024
Whittenburg Mark G General Counsel and Secretary
Sold at will
$2.90M 50,000 at 57.91
79.4%
Sold half or more
22 Mar 2024
Stephens John Weldon Chief Accounting Officer
Sold on a plan
$868.71K 15,000 at 57.91
77.8%
Sold half or more
7 Mar 2024
Stephens John Weldon VP, Corp. Controller
Sold on a plan
$2.20M 43,900 at 50.02
92.7%
Sold half or more
4 Mar 2024
Stephens John Weldon VP, Corp. Controller
Sold on a plan
$55.02K 1,100 at 50.02
24.1%
Planned (10b5-1)
22 Feb 2024
Sold on a plan
$430.19K 9,500 at 45.28
50.5%
Sold half or more
21 Feb 2024
Sold on a plan
$14.09K 313 at 45.00
3.2%
Planned (10b5-1)
16 Feb 2024
Sold on a plan
$8.42K 187 at 45.00
2.0%
Planned (10b5-1)
12 Feb 2024
LeClair Stephen O Chief Executive Officer
Sold on a plan
$6.62M 150,000 at 44.14
67.1%
Sold half or more
12 Feb 2024
Schneider Laura K Chief Human Resources Officer
Sold on a plan
$4.41M 100,000 at 44.14
91.2%
Sold half or more
12 Feb 2024
Giles Jeffrey D VP, Corporate Department
Sold on a plan
$1.77M 40,000 at 44.14
83.0%
Sold half or more
Showing 1–50 of 115. Page 1 of 3 Older →