Insider trading

Period: 12 months Stock: COHR Role: Directors × 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.

19 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.

19 decisions over 12 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.

19 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.

19 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.
19 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
19 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.

19 decisions over 12 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)
Showing 1–19 of 19.