Insider trading

Period: 12 months Stock: NTRA Minimum amount: $100K × + 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.

151 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.

151 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.

151 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.

151 decisions over 12 months Remove this filter
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.
151 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
151 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.

151 decisions over 12 months
Stock
Insider
Type ?
Why it stands out
26 May 2026
Fesko John PRESIDENT, CHIEF BUS. OFFICER
Sold on a plan
$291.68K 1,438 at 202.84
0.8%
Planned (10b5-1)
13 May 2026
Sheena Jonathan Director · indirect
Sold on a plan 8×
$302.35K 1,500 at 201.56
7.1%
Planned (10b5-1)
8 May 2026
Sheena Jonathan Director
Sold on a plan 5×
$657.10K 3,150 at 208.60
1.2%
Planned (10b5-1)
5 May 2026
Rabinowitz Matthew EXECUTIVE CHAIRMAN
Sold on a plan 4×
$1.49M 6,986 at 213.77
0.3%
Planned (10b5-1)
4 May 2026
Rabinowitz Matthew EXECUTIVE CHAIRMAN
Sold on a plan
$148.85K 722 at 206.16
0.0%
Planned (10b5-1)
4 May 2026
Brophy Michael Burkes CHIEF FINANCIAL OFFICER
Sold on a plan
$101.46K 482 at 210.49
0.8%
Planned (10b5-1)
1 May 2026
Moshkevich Solomon PRESIDENT, CLINICALDIAGNOSTICS
Sold on a plan 7×
$693.56K 3,405 at 203.69
2.3%
Planned (10b5-1)
1 May 2026
Chapman Steven Leonard CEO AND PRESIDENT
Sold on a plan
$185.96K 902 at 206.16
0.6%
Planned (10b5-1)
29 Apr 2026
Sheena Jonathan Director
Sold on a plan 2×
$603.20K 3,071 at 196.42
1.2%
Planned (10b5-1)
29 Apr 2026
Brophy Michael Burkes CHIEF FINANCIAL OFFICER
Sold on a plan 5×
$594.79K 3,070 at 193.74
5.0%
Planned (10b5-1)
27 Apr 2026
Chapman Steven Leonard CEO AND PRESIDENT
Sold on a plan 2×
$1.19M 5,838 at 204.14
3.7%
Planned (10b5-1)
27 Apr 2026
Moshkevich Solomon PRESIDENT, CLINICALDIAGNOSTICS
Sold on a plan 2×
$445.34K 2,182 at 204.10
1.5%
Planned (10b5-1)
27 Apr 2026
Brophy Michael Burkes CHIEF FINANCIAL OFFICER
Sold on a plan 2×
$406.86K 1,993 at 204.14
3.1%
Planned (10b5-1)
27 Apr 2026
RABINOWITZ DANIEL SEC. AND CHIEF LEGAL OFFICER
Sold on a plan 2×
$379.81K 1,861 at 204.09
0.8%
Planned (10b5-1)
27 Apr 2026
Fesko John PRESIDENT, CHIEF BUS. OFFICER
Sold on a plan 2×
$344.52K 1,688 at 204.10
0.9%
Planned (10b5-1)
17 Apr 2026
Sheena Jonathan Director · indirect
Sold on a plan 2×
$299.44K 1,500 at 199.63
6.9%
Planned (10b5-1)
1 Apr 2026
RABINOWITZ DANIEL SEC. AND CHIEF LEGAL OFFICER
Sold on a plan 5×
$1.71M 8,400 at 203.31
3.6%
Planned (10b5-1)
1 Apr 2026
Moshkevich Solomon PRESIDENT, CLINICALDIAGNOSTICS
Sold on a plan 3×
$606.90K 3,000 at 202.30
2.0%
Planned (10b5-1)
20 Mar 2026
Sheena Jonathan Director · indirect
Sold on a plan 6×
$299.93K 1,500 at 199.95
6.7%
Planned (10b5-1)
18 Mar 2026
Sheena Jonathan Director
Sold on a plan 3×
$608.37K 3,070 at 198.17
1.2%
Planned (10b5-1)
16 Mar 2026
Rabinowitz Matthew EXECUTIVE CHAIRMAN
Sold on a plan 8×
$9.81M 50,000 at 196.28
2.1%
Planned (10b5-1)
13 Mar 2026
Rabinowitz Matthew EXECUTIVE CHAIRMAN
Sold on a plan 5×
$14.18M 75,000 at 189.01
3.1%
Planned (10b5-1)
12 Mar 2026
Rabinowitz Matthew EXECUTIVE CHAIRMAN
Sold on a plan 10×
$14.29M 75,000 at 190.59
3.1%
Planned (10b5-1)
10 Mar 2026
Chapman Steven Leonard CEO AND PRESIDENT
Sold on a plan
$1.15M 5,623 at 204.13
3.5%
Planned (10b5-1)
10 Mar 2026
RABINOWITZ DANIEL SEC. AND CHIEF LEGAL OFFICER
Sold on a plan
$356.21K 1,745 at 204.13
0.7%
Planned (10b5-1)
10 Mar 2026
Moshkevich Solomon PRESIDENT, CLINICALDIAGNOSTICS
Sold on a plan
$186.78K 915 at 204.13
0.6%
Planned (10b5-1)
10 Mar 2026
Brophy Michael Burkes CHIEF FINANCIAL OFFICER
Sold on a plan
$160.24K 785 at 204.13
1.2%
Planned (10b5-1)
10 Mar 2026
Fesko John PRESIDENT, CHIEF BUS. OFFICER
Sold on a plan
$144.32K 707 at 204.13
0.4%
Planned (10b5-1)
6 Mar 2026
RABINOWITZ DANIEL SEC. AND CHIEF LEGAL OFFICER
Sold on a plan 5×
$1.65M 8,398 at 196.08
3.5%
Planned (10b5-1)
2 Mar 2026
Chapman Steven Leonard CEO AND PRESIDENT
Sold on a plan 3×
$790.09K 3,950 at 200.02
2.5%
Planned (10b5-1)
2 Mar 2026
Sheena Jonathan Director
Sold on a plan 4×
$614.71K 3,070 at 200.23
1.2%
Planned (10b5-1)
2 Mar 2026
Moshkevich Solomon PRESIDENT, CLINICALDIAGNOSTICS
Sold on a plan 3×
$599.55K 3,000 at 199.85
2.0%
Planned (10b5-1)
3 Feb 2026
Brophy Michael Burkes CHIEF FINANCIAL OFFICER
Sold on a plan 3×
$1.58M 6,939 at 227.83
11.7%
Planned (10b5-1)
3 Feb 2026
Chapman Steven Leonard CEO AND PRESIDENT
Sold on a plan
$1.09M 4,725 at 230.77
3.7%
Planned (10b5-1)
3 Feb 2026
Fesko John PRESIDENT, CHIEF BUS. OFFICER
Sold on a plan 2×
$830.28K 3,594 at 231.02
2.0%
Planned (10b5-1)
3 Feb 2026
Moshkevich Solomon PRESIDENT, CLINICALDIAGNOSTICS
Sold on a plan
$378.23K 1,639 at 230.77
1.2%
Planned (10b5-1)
3 Feb 2026
RABINOWITZ DANIEL SEC. AND CHIEF LEGAL OFFICER
Sold on a plan
$307.84K 1,334 at 230.77
0.6%
Planned (10b5-1)
3 Feb 2026
Sheena Jonathan Director
Sold on a plan
$100.38K 435 at 230.77
0.2%
Planned (10b5-1)
2 Feb 2026
Chapman Steven Leonard CEO AND PRESIDENT
Sold on a plan 6×
$19.68M 85,299 at 230.72
40.0%
Planned (10b5-1)
2 Feb 2026
Moshkevich Solomon PRESIDENT, CLINICALDIAGNOSTICS
Sold on a plan 6×
$694.31K 3,000 at 231.44
2.1%
Planned (10b5-1)
29 Jan 2026
Brophy Michael Burkes CHIEF FINANCIAL OFFICER
Sold on a plan 2×
$430.16K 1,867 at 230.40
3.1%
Planned (10b5-1)
28 Jan 2026
Chapman Steven Leonard CEO AND PRESIDENT
Sold on a plan
$866.99K 3,648 at 237.66
1.7%
Planned (10b5-1)
28 Jan 2026
Brophy Michael Burkes CHIEF FINANCIAL OFFICER
Sold on a plan 2×
$573.22K 2,413 at 237.56
3.8%
Planned (10b5-1)
28 Jan 2026
Moshkevich Solomon PRESIDENT, CLINICALDIAGNOSTICS
Sold on a plan
$285.19K 1,200 at 237.66
0.8%
Planned (10b5-1)
28 Jan 2026
RABINOWITZ DANIEL SEC. AND CHIEF LEGAL OFFICER
Sold on a plan
$237.66K 1,000 at 237.66
0.4%
Planned (10b5-1)
28 Jan 2026
Fesko John PRESIDENT, CHIEF BUS. OFFICER
Sold on a plan
$220.55K 928 at 237.66
0.5%
Planned (10b5-1)
27 Jan 2026
Chapman Steven Leonard CEO AND PRESIDENT
Sold on a plan
$558.51K 2,322 at 240.53
1.1%
Planned (10b5-1)
27 Jan 2026
Moshkevich Solomon PRESIDENT, CLINICALDIAGNOSTICS
Sold on a plan
$243.66K 1,013 at 240.53
0.7%
Planned (10b5-1)
27 Jan 2026
RABINOWITZ DANIEL SEC. AND CHIEF LEGAL OFFICER
Sold on a plan
$213.11K 886 at 240.53
0.4%
Planned (10b5-1)
27 Jan 2026
Brophy Michael Burkes CHIEF FINANCIAL OFFICER
Sold on a plan
$188.58K 784 at 240.53
1.2%
Planned (10b5-1)
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