Insider trading

Period: 120 months Stock: COHR Role: Directors × + 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.

96 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.

96 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.

96 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.

96 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.
96 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
96 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.

96 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
11 Sep 2026
Sold at will
$1.63M 5,315 at 305.99
30.8%
Not planned
2 Sep 2026
Neal-Graves Lisa Director
Sold at will
$590.52K 2,200 at 268.42
14.4%
Not planned
31 Aug 2026
SKAGGS STEPHEN A Director
Sold on a plan
$629.06K 2,272 at 276.88
13.5%
Planned (10b5-1)
31 Aug 2026
Sold on a plan
$629.00K 2,272 at 276.85
11.6%
Planned (10b5-1)
11 May 2026
Xia Howard H. Director
Sold at will 4×
$709.00K 2,000 at 354.50
3.8%
Not planned
17 Mar 2026
Xia Howard H. Director
Sold at will 3×
$782.94K 3,240 at 241.65
6.1%
Not planned
16 Mar 2026
Xia Howard H. Director
Sold at will
$258.00K 1,000 at 258.00
1.9%
Not planned
9 Mar 2026
SKAGGS STEPHEN A Director
Sold on a plan
$856.55K 3,523 at 243.13
17.3%
Planned (10b5-1)
6 Mar 2026
Sold at will
$944.51K 3,911 at 241.50
18.3%
Not planned
10 Dec 2025
Sold at will
$2.95M 15,000 at 196.74
15.8%
Not planned
3 Dec 2025
Sold at will
$329.02K 2,000 at 164.51
18.8%
Not planned
2 Dec 2025
Xia Howard H. Director
Sold at will 2×
$340.00K 2,000 at 170.00
3.8%
Not planned
28 Nov 2025
Xia Howard H. Director
Sold at will
$158.36K 1,000 at 158.36
2.0%
Not planned
21 Nov 2025
Sold at will
$381.76K 2,831 at 134.85
11.8%
Not planned
20 Nov 2025
SKAGGS STEPHEN A Director
Sold on a plan
$300.00K 2,000 at 150.00
9.0%
Planned (10b5-1)
14 Nov 2025
Dreyer Michael L Director
Sold at will
$1.68M 11,570 at 144.88
48.9%
Not planned
7 Nov 2025
Sold at will
$1.47M 9,720 at 151.25
9.3%
Not planned
29 Oct 2025
SKAGGS STEPHEN A Director
Sold on a plan
$280.00K 2,000 at 140.00
8.3%
Planned (10b5-1)
24 Oct 2025
SKAGGS STEPHEN A Director
Sold on a plan
$260.00K 2,000 at 130.00
7.7%
Planned (10b5-1)
13 Aug 2025
SKAGGS STEPHEN A Director
Sold on a plan
$244.46K 2,000 at 122.23
7.7%
Planned (10b5-1)
16 Jun 2025
Xia Howard H. Director
Sold at will
$80.88K 1,000 at 80.88
2.1%
Not planned
11 Jun 2025
Xia Howard H. Director
Sold at will
$83.00K 1,000 at 83.00
2.1%
Not planned
3 Jun 2025
SADASIVAM SHAKER Director
Sold at will
$2.34M 29,292 at 80.00
43.1%
Not planned
28 May 2025
Neal-Graves Lisa Director
Sold at will
$95.58K 1,200 at 79.65
8.6%
Not planned
21 May 2025
Xia Howard H. Director
Sold at will
$81.00K 1,000 at 81.00
2.1%
Not planned
12 May 2025
Xia Howard H. Director
Sold at will 2×
$154.84K 2,000 at 77.42
4.0%
Not planned
9 May 2025
Xia Howard H. Director
Sold at will
$72.69K 1,000 at 72.69
2.1%
Not planned
4 Dec 2024
Xia Howard H. Director
Sold at will 2×
$221.45K 2,000 at 110.73
4.0%
Not planned
3 Dec 2024
Xia Howard H. Director
Sold at will
$102.82K 970 at 106.00
2.0%
Not planned
26 Nov 2024
Sold at will
$935.92K 9,240 at 101.29
9.1%
Not planned
13 Nov 2024
Sold at will 2×
$579.91K 5,542 at 104.64
66.2%
Sold half or more
13 Sep 2024
Sold at will
$694.17K 8,970 at 77.39
8.8%
Not planned
5 Jun 2024
Dreyer Michael L Director
Sold at will
$948.51K 14,239 at 66.61
43.4%
Not planned
4 Jun 2024
Sold at will
$752.80K 11,440 at 65.80
11.3%
Not planned
23 May 2024
Xia Howard H. Director
Sold at will 2×
$121.83K 2,000 at 60.92
4.3%
Not planned
16 May 2024
Xia Howard H. Director
Sold at will
$59.00K 1,000 at 59.00
2.2%
Not planned
15 May 2024
Xia Howard H. Director
Sold at will
$58.00K 1,000 at 58.00
2.2%
Not planned
14 Dec 2023
Xia Howard H. Director
Sold at will
$147.23K 3,440 at 42.80
7.1%
Not planned
6 Dec 2023
Xia Howard H. Director
Sold at will
$161.16K 4,000 at 40.29
8.2%
Not planned
14 Jun 2023
MOTLEY DAVID L Director
Bought
$299.74K 6,041 at 49.62
63.9%
First buy on file
2 Jun 2023
Sold at will
$317.39K 8,270 at 38.38
8.9%
Not planned
1 Mar 2023
Xia Howard H. Director
Sold, plan not stated
$98.01K 2,270 at 43.17
5.4%
15 Nov 2022
KRAMER FRANCIS J Director
Sold, plan not stated
$117.44K 2,936 at 40.00
1.1%
13 Sep 2022
Bought
$438.44K 10,000 at 43.84
13.7%
First buy on file
29 Mar 2022
KRAMER FRANCIS J Director
Sold, plan not stated
$1.70M 22,610 at 75.00
7.8%
29 Mar 2022
Xia Howard H. Director
Sold, plan not stated 2×
$446.40K 6,000 at 74.40
14.4%
24 Mar 2022
Sold, plan not stated
$91.26K 1,279 at 71.36
11.7%
12 Nov 2021
Sold, plan not stated
$558.23K 8,620 at 64.76
11.8%
3 Sep 2021
Sold, plan not stated
$363.03K 5,921 at 61.31
35.2%
15 Dec 2020
KRAMER FRANCIS J Director
Sold, plan not stated
$597.53K 8,231 at 72.60
3.0%
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