Insider trading

Period: 120 months Stock: PI Role: CEO × + 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.

123 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.

123 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.

123 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.

123 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.
123 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
123 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.

123 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
16 Sep 2025
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 5×
$768.51K 4,096 at 187.63
1.4%
Planned (10b5-1)
15 Sep 2025
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 5×
$909.65K 5,000 at 181.93
1.6%
Planned (10b5-1)
9 Sep 2025
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 9×
$974.42K 5,000 at 194.88
1.5%
Planned (10b5-1)
8 Sep 2025
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 3×
$961.51K 5,000 at 192.30
1.4%
Planned (10b5-1)
3 Sep 2025
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 4×
$947.48K 5,000 at 189.50
1.4%
Planned (10b5-1)
2 Sep 2025
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 2×
$903.18K 5,000 at 180.64
1.4%
Planned (10b5-1)
29 Aug 2025
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 3×
$945.11K 5,000 at 189.02
1.4%
Planned (10b5-1)
28 Aug 2025
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 6×
$938.97K 5,000 at 187.79
1.4%
Planned (10b5-1)
21 Feb 2025
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold at will 4×
$823.24K 8,334 at 98.78
2.3%
Not planned
13 Jan 2025
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold at will 2×
$118.60K 841 at 141.02
0.3%
Not planned
24 Dec 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold at will
$219.91K 1,504 at 146.22
0.5%
Not planned
7 Nov 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold at will 3×
$2.50M 12,590 at 198.87
3.7%
Not planned
6 Nov 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold at will 6×
$2.57M 12,590 at 204.17
3.5%
Not planned
30 Oct 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold at will 2×
$102.84K 526 at 195.51
0.2%
Not planned
29 Oct 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold at will 3×
$6.95M 34,474 at 201.51
10.5%
Not planned
14 Oct 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold at will 3×
$289.90K 1,219 at 237.82
0.4%
Not planned
24 Sep 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold at will 2×
$313.26K 1,498 at 209.12
0.5%
Not planned
15 Jul 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold at will 3×
$208.23K 1,187 at 175.43
0.4%
Not planned
8 Jul 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 3×
$811.61K 5,000 at 162.32
1.7%
Planned (10b5-1)
2 Jul 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 3×
$777.43K 5,000 at 155.49
1.7%
Planned (10b5-1)
1 Jul 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 6×
$770.13K 5,000 at 154.03
1.7%
Planned (10b5-1)
25 Jun 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan
$750.31K 5,000 at 150.06
1.7%
Planned (10b5-1)
24 Jun 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 4×
$964.88K 6,519 at 148.01
2.2%
Planned (10b5-1)
18 Jun 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 2×
$754.62K 5,000 at 150.92
1.7%
Planned (10b5-1)
17 Jun 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 5×
$834.96K 5,616 at 148.68
1.9%
Planned (10b5-1)
11 Jun 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 3×
$732.47K 5,000 at 146.49
1.7%
Planned (10b5-1)
10 Jun 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 3×
$738.83K 5,000 at 147.77
1.7%
Planned (10b5-1)
4 Jun 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 3×
$824.24K 5,000 at 164.85
1.7%
Planned (10b5-1)
3 Jun 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 4×
$817.68K 5,000 at 163.54
1.7%
Planned (10b5-1)
31 May 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan
$816.05K 5,000 at 163.21
1.7%
Planned (10b5-1)
26 Apr 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold at will 9×
$3.92M 26,661 at 147.02
8.5%
Not planned
15 Apr 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold at will 2×
$147.63K 1,244 at 118.67
0.4%
Not planned
25 Mar 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold at will 2×
$375.60K 2,953 at 127.19
1.0%
Not planned
18 Mar 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold at will 2×
$75.62K 612 at 123.56
0.2%
Not planned
27 Feb 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan
$525.00K 5,000 at 105.00
1.8%
Planned (10b5-1)
26 Feb 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan
$525.00K 5,000 at 105.00
1.8%
Planned (10b5-1)
23 Feb 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan 3×
$1.62M 16,060 at 101.16
5.4%
Planned (10b5-1)
16 Feb 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan
$526.60K 5,000 at 105.32
1.9%
Planned (10b5-1)
15 Feb 2024
DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER
Sold on a plan
$525.02K 5,000 at 105.00
1.9%
Planned (10b5-1)
16 Jan 2024
DIORIO CHRIS PH.D. Chief Executive Officer
Sold at will 2×
$69.39K 855 at 81.16
0.3%
Not planned
26 Dec 2023
DIORIO CHRIS PH.D. Chief Executive Officer
Sold at will
$89.85K 1,001 at 89.76
0.4%
Not planned
18 Dec 2023
DIORIO CHRIS PH.D. Chief Executive Officer
Sold at will 2×
$54.73K 616 at 88.84
0.2%
Not planned
13 Oct 2023
DIORIO CHRIS PH.D. Chief Executive Officer
Sold at will
$65.23K 1,245 at 52.39
0.4%
Not planned
25 Sep 2023
DIORIO CHRIS PH.D. Chief Executive Officer
Sold at will
$55.75K 1,010 at 55.20
0.3%
Not planned
18 Sep 2023
DIORIO CHRIS PH.D. Chief Executive Officer
Sold at will
$39.32K 622 at 63.22
0.2%
Not planned
13 Jul 2023
DIORIO CHRIS PH.D. Chief Executive Officer
Sold at will
$108.05K 1,204 at 89.74
0.4%
Not planned
3 Jul 2023
DIORIO CHRIS PH.D. Chief Executive Officer
Sold at will 2×
$137.89K 1,536 at 89.77
0.5%
Not planned
26 Jun 2023
DIORIO CHRIS PH.D. Chief Executive Officer
Sold at will 2×
$88.78K 1,035 at 85.78
0.3%
Not planned
16 Jun 2023
DIORIO CHRIS PH.D. Chief Executive Officer
Sold at will
$59.65K 591 at 100.93
0.2%
Not planned
13 Apr 2023
DIORIO CHRIS PH.D. Chief Executive Officer
Sold at will 2×
$166.26K 1,236 at 134.51
0.4%
Not planned
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