Insider trading

Period: 120 months Stock: CDNA Role: CEO × + Add filter Clear all
Views & alerts

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When

Period

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

26 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.

26 decisions over 120 months Remove this filter
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.

26 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.

26 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.
26 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
26 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.

26 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
16 Jul 2026
Hanna John Walter JR President and CEO
Sold on a plan 2×
$4.46M 118,000 at 37.79
15.3%
Planned (10b5-1)
29 Jun 2026
Hanna John Walter JR President and CEO
Sold on a plan
$1.17M 39,900 at 29.24
5.7%
Planned (10b5-1)
26 Jun 2026
Hanna John Walter JR President and CEO
Sold on a plan
$2.90K 100 at 29.00
0.0%
Planned (10b5-1)
15 Jun 2026
Hanna John Walter JR President and CEO
Sold on a plan
$424.88K 17,683 at 24.03
2.7%
Planned (10b5-1)
11 Jun 2026
Hanna John Walter JR President and CEO
Sold on a plan
$528.44K 21,998 at 24.02
3.3%
Planned (10b5-1)
4 Jun 2026
Hanna John Walter JR President and CEO
Sold on a plan
$116.04K 4,835 at 24.00
0.7%
Planned (10b5-1)
16 Apr 2026
Hanna John Walter JR President and CEO
Sold on a plan
$217.16K 10,282 at 21.12
1.5%
Planned (10b5-1)
22 Jan 2026
Hanna John Walter JR President and CEO
Sold on a plan
$408.02K 19,280 at 21.16
3.1%
Planned (10b5-1)
21 Jan 2026
Hanna John Walter JR President and CEO
Sold on a plan
$4.20K 200 at 21.00
0.0%
Planned (10b5-1)
15 Jan 2026
Hanna John Walter JR President and CEO
Sold on a plan
$213.80K 10,156 at 21.05
1.6%
Planned (10b5-1)
5 Oct 2020
Maag Peter Chief Executive Officer
Sold, plan not stated
$421.13K 10,000 at 42.11
2.3%
1 Oct 2020
Maag Peter Chief Executive Officer
Sold, plan not stated 2×
$809.97K 20,000 at 40.50
4.5%
30 Sep 2020
Maag Peter Chief Executive Officer
Sold, plan not stated
$638.80K 16,992 at 37.59
3.9%
8 Sep 2020
Maag Peter Chief Executive Officer
Sold, plan not stated
$313.61K 9,900 at 31.68
2.3%
8 Sep 2020
Maag Peter Chief Executive Officer
Bought
$3.21K 100 at 32.09
0.0%
First buy on file
5 Aug 2020
Maag Peter Chief Executive Officer
Sold, plan not stated 3×
$478.34K 13,008 at 36.77
3.0%
6 Jul 2020
Maag Peter Chief Executive Officer
Sold, plan not stated
$342.10K 10,000 at 34.21
2.3%
30 Jun 2020
Maag Peter Chief Executive Officer
Sold, plan not stated
$637.72K 18,182 at 35.07
4.5%
9 Jun 2020
Maag Peter Chief Executive Officer
Sold, plan not stated
$63.63K 1,818 at 35.00
0.5%
5 Jun 2020
Maag Peter Chief Executive Officer
Sold, plan not stated 2×
$1.63M 50,000 at 32.58
11.3%
19 May 2020
Maag Peter Chief Executive Officer
Sold, plan not stated
$967.12K 30,000 at 32.24
6.1%
16 Mar 2020
Maag Peter Chief Executive Officer
Sold, plan not stated
$173.87K 10,000 at 17.39
2.0%
18 Feb 2020
Maag Peter Chief Executive Officer
Sold, plan not stated
$266.20K 10,000 at 26.62
2.2%
15 Jan 2020
Maag Peter Chief Executive Officer
Sold, plan not stated
$231.30K 10,000 at 23.13
2.3%
6 Aug 2019
Maag Peter Chief Executive Officer
Sold, plan not stated 4×
$1.44M 50,000 at 28.84
12.8%
13 May 2019
Maag Peter Chief Executive Officer
Sold, plan not stated
$2.49M 80,000 at 31.11
16.4%
Showing 1–26 of 26.