Insider trading

Period: 120 months Stock: CMCSA + 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.

118 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.

118 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.

118 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.

118 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.
118 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
118 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.

118 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
25 Mar 2019
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated 2×
$296.18K 7,505 at 39.46
9.5%
22 Mar 2019
COHEN DAVID L Sr. EVP
Sold, plan not stated 2×
$1.09M 27,542 at 39.74
9.1%
22 Mar 2019
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated 2×
$347.65K 8,719 at 39.87
13.0%
21 Mar 2019
COHEN DAVID L Sr. EVP
Sold, plan not stated 3×
$519.77K 13,141 at 39.55
3.9%
21 Mar 2019
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated 2×
$309.04K 7,857 at 39.33
8.4%
19 Mar 2019
ROBERTS BRIAN L Chairman of Board, Pres. & CEO
Sold, plan not stated
$8.13M 203,933 at 39.89
4.3%
19 Mar 2019
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated
$98.79K 2,471 at 39.98
4.0%
19 Mar 2019
Murdock Daniel C. SVP & Chief Accounting Officer
Sold, plan not stated
$26.87K 672 at 39.98
24.6%
18 Mar 2019
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated
$79.13K 1,967 at 40.23
3.1%
18 Mar 2019
Murdock Daniel C. SVP & Chief Accounting Officer
Sold, plan not stated
$37.09K 919 at 40.36
25.2%
21 Feb 2019
WATSON DAVID N Sr. EVP
Sold, plan not stated
$7.70M 201,007 at 38.31
24.6%
19 Feb 2019
COHEN DAVID L Sr. EVP
Sold, plan not stated
$6.22M 164,288 at 37.85
25.2%
19 Feb 2019
COHEN DAVID L Sr. EVP · indirect
Sold, plan not stated 2×
$3.06M 81,080 at 37.68
8.1%
14 Feb 2019
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated
$73.52K 1,966 at 37.40
3.2%
12 Feb 2019
COHEN DAVID L Sr. EVP
Sold, plan not stated
$6.07M 163,581 at 37.12
25.1%
12 Feb 2019
COHEN DAVID L Sr. EVP · indirect
Sold, plan not stated 2×
$3.55M 95,356 at 37.20
8.7%
5 Feb 2019
COHEN DAVID L Sr. EVP
Sold, plan not stated
$6.17M 166,876 at 36.96
25.6%
5 Feb 2019
COHEN DAVID L Sr. EVP · indirect
Sold, plan not stated 3×
$4.04M 108,870 at 37.09
9.1%
24 Jan 2019
Murdock Daniel C. SVP & Chief Accounting Officer
Sold, plan not stated
$30.04K 845 at 35.55
45.7%
27 Dec 2018
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated
$139.56K 4,129 at 33.80
6.4%
18 Dec 2018
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated
$209.12K 5,743 at 36.41
7.8%
10 Dec 2018
BACON KENNETH J Director
Sold, plan not stated
$282.80K 7,636 at 37.04
18.5%
27 Sep 2018
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated
$228.78K 6,448 at 35.48
8.6%
24 Sep 2018
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated
$38.89K 1,082 at 35.94
1.8%
13 Jun 2018
Murdock Daniel C. SVP & Chief Accounting Officer
Sold, plan not stated
$52.60K 1,694 at 31.05
70.0%
Sold half or more
18 Apr 2018
Murdock Daniel C. SVP & Chief Accounting Officer
Sold, plan not stated
$30.41K 916 at 33.20
55.8%
Sold half or more
27 Mar 2018
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated
$214.20K 6,358 at 33.69
8.7%
26 Mar 2018
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated 2×
$325.85K 9,667 at 33.71
11.6%
23 Mar 2018
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated 2×
$364.01K 10,870 at 33.49
15.7%
22 Mar 2018
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated 2×
$271.76K 7,969 at 34.10
8.0%
21 Mar 2018
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated 2×
$233.43K 6,700 at 34.84
7.5%
19 Mar 2018
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated
$87.97K 2,471 at 35.60
4.0%
19 Mar 2018
Murdock Daniel C. SVP & Chief Accounting Officer
Sold, plan not stated
$67.32K 1,891 at 35.60
72.3%
Sold half or more
15 Mar 2018
ROBERTS BRIAN L Chairman of Board, Pres. & CEO
Sold, plan not stated
$12.02M 332,752 at 36.14
37.6%
13 Mar 2018
ROBERTS BRIAN L Chairman of Board, Pres. & CEO
Sold, plan not stated 2×
$13.22M 358,353 at 36.89
20.9%
6 Mar 2018
WATSON DAVID N Sr. EVP
Sold, plan not stated
$4.84M 131,447 at 36.79
13.6%
26 Jan 2018
BURKE STEPHEN B Sr. EVP
Sold, plan not stated
$8.11M 190,756 at 42.51
15.4%
27 Dec 2017
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated
$159.92K 3,937 at 40.62
6.3%
18 Dec 2017
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated
$224.58K 5,630 at 39.89
7.9%
14 Dec 2017
ROBERTS BRIAN L Chairman of Board, Pres. & CEO
Sold, plan not stated
$12.27M 318,835 at 38.47
18.6%
14 Dec 2017
ROBERTS BRIAN L Chairman of Board, Pres. & CEO · indirect
Sold, plan not stated
$10.31M 265,000 at 38.90
48.1%
28 Sep 2017
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated
$156.93K 4,091 at 38.36
6.0%
15 Sep 2017
BACON KENNETH J Director
Sold, plan not stated
$83.18K 2,232 at 37.27
8.3%
7 Aug 2017
Murdock Daniel C. SVP & Chief Accounting Officer
Sold, plan not stated
$144.91K 3,659 at 39.61
83.5%
Sold half or more
25 May 2017
BACON KENNETH J Director
Sold, plan not stated
$303.71K 7,500 at 40.50
21.9%
10 May 2017
BURKE STEPHEN B Sr. EVP
Sold, plan not stated 2×
$10.07M 258,380 at 38.99
26.5%
19 Apr 2017
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated
$89.10K 2,356 at 37.82
3.9%
28 Mar 2017
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated
$149.44K 4,044 at 36.95
5.9%
27 Mar 2017
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated 3×
$589.15K 15,846 at 37.18
16.3%
24 Mar 2017
BLOCK ARTHUR R EVP, GC and Secretary
Sold, plan not stated
$380.41K 10,215 at 37.24
14.8%
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