Insider trading

Period: 12 months Stock: CERS Type of trade: Sold × + Add filter Clear all
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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.

22 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.

22 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.

22 decisions over 12 months Remove this filter
The trade

Minimum amount

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

22 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.
22 decisions over 12 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
22 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.

22 decisions over 12 months
Stock
Insider
Type ?
Why it stands out
17 Aug 2026
Jensen Chrystal Chief Legal Officer
Sold on a plan
$89.53K 30,000 at 2.98
3.1%
Planned (10b5-1)
16 Jul 2026
Jayaraman Vivek K Chief Executive Officer
Sold on a plan
$52.66K 16,666 at 3.16
0.7%
Planned (10b5-1)
30 Jun 2026
Greenman William Mariner President and CEO
Sold on a plan
$299.94K 101,919 at 2.94
2.0%
Planned (10b5-1)
30 Jun 2026
Jayaraman Vivek K Chief Operating Officer
Sold on a plan
$124.66K 42,359 at 2.94
2.4%
Planned (10b5-1)
30 Jun 2026
Green Kevin Dennis Chief Financial Officer
Sold on a plan
$99.11K 33,676 at 2.94
3.1%
Planned (10b5-1)
30 Jun 2026
Jensen Chrystal Chief Legal Officer
Sold on a plan
$71.60K 24,329 at 2.94
2.5%
Planned (10b5-1)
9 Jun 2026
BJERKHOLT ERIC Director
Sold at will
$53.18K 20,454 at 2.60
7.2%
Not planned
29 May 2026
Jayaraman Vivek K Chief Operating Officer
Sold on a plan
$50.00K 16,667 at 3.00
1.0%
Planned (10b5-1)
1 May 2026
Jayaraman Vivek K Chief Operating Officer
Sold on a plan
$50.00K 16,667 at 3.00
1.0%
Planned (10b5-1)
12 Mar 2026
Greenman William Mariner President and CEO
Sold on a plan
$742.02K 447,757 at 1.66
8.2%
Planned (10b5-1)
12 Mar 2026
Jayaraman Vivek K Chief Operating Officer
Sold on a plan
$273.77K 165,200 at 1.66
8.6%
Planned (10b5-1)
12 Mar 2026
Green Kevin Dennis Chief Financial Officer
Sold on a plan
$211.37K 127,544 at 1.66
10.9%
Planned (10b5-1)
12 Mar 2026
Benjamin Richard J Chief Medical Officer
Sold on a plan
$168.60K 101,740 at 1.66
11.6%
Planned (10b5-1)
9 Mar 2026
Benjamin Richard J Chief Medical Officer
Sold on a plan
$76.03K 40,426 at 1.88
4.4%
Planned (10b5-1)
6 Mar 2026
Greenman William Mariner President and CEO
Sold on a plan
$156.80K 78,187 at 2.01
1.4%
Planned (10b5-1)
6 Mar 2026
Jayaraman Vivek K Chief Operating Officer
Sold on a plan
$68.38K 34,094 at 2.01
1.8%
Planned (10b5-1)
6 Mar 2026
Jensen Chrystal Chief Legal Officer
Sold on a plan
$61.86K 30,845 at 2.01
2.8%
Planned (10b5-1)
6 Mar 2026
Green Kevin Dennis Chief Financial Officer
Sold on a plan
$55.74K 27,796 at 2.01
2.3%
Planned (10b5-1)
6 Mar 2026
Benjamin Richard J Chief Medical Officer
Sold on a plan
$48.60K 24,235 at 2.01
2.6%
Planned (10b5-1)
5 Mar 2026
Benjamin Richard J Chief Medical Officer
Sold on a plan
$126.31K 61,233 at 2.06
6.1%
Planned (10b5-1)
5 Mar 2026
Green Kevin Dennis Chief Financial Officer
Sold on a plan
$113.90K 55,225 at 2.06
4.4%
Planned (10b5-1)
24 Nov 2025
Jensen Chrystal Chief Legal Officer
Sold on a plan
$93.50K 55,000 at 1.70
7.0%
Planned (10b5-1)
Showing 1–22 of 22.