Insider trading

Period: 12 months Stock: COR Plan: Discretionary × + 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.

8 decisions over 12 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.

8 decisions over 12 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.

8 decisions over 12 months
The trade

Minimum amount

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

8 decisions over 12 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.
8 decisions over 12 months Remove this filter
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
8 decisions over 12 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.

8 decisions over 12 months
Stock
Insider
Type ?
Why it stands out
16 Sep 2026
GREENBERG LON R Director
Sold at will
$411.26K 1,280 at 321.30
7.0%
Not planned
24 Aug 2026
Campbell Elizabeth S Executive Vice President
Sold at will
$3.66M 11,300 at 324.12
36.7%
Not planned
22 Jun 2026
Tyler Lauren M Director
Bought
$148.63K 550 at 270.23
14.4%
First buy on file
18 Jun 2026
Bought
$1.10M 4,000 at 274.19
14.4%
Largest buy in 3 yrs
28 May 2026
Bought
$1.07M 4,000 at 266.26
16.8%
Largest buy in 3 yrs
19 Dec 2025
Campbell Elizabeth S Executive Vice President
Sold at will
$1.15M 3,351 at 342.10
12.3%
Not planned
19 Dec 2025
Battaglia Silvana Executive Vice President
Sold at will
$578.57K 1,677 at 345.00
8.2%
Not planned
17 Dec 2025
Krikorian Lazarus SVP & Chief Accounting Officer
Sold at will
$1.38M 4,031 at 343.24
19.0%
Not planned
Showing 1–8 of 8.