Insider trading

Period: 120 months Stock: DXCM Role: Other officers × + 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.

399 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.

399 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.

399 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.

399 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.
399 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
399 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.

399 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
28 Sep 2026
Stern Sadie EVP Chief People & Culture Off
Sold on a plan
$220.97K 2,565 at 86.15
2.0%
Planned (10b5-1)
15 Sep 2026
Brown Michael Jon EVP Chief Legal Compliance Off
Sold on a plan
$142.87K 1,700 at 84.04
1.7%
Planned (10b5-1)
10 Sep 2026
Sylvain Jereme M EVP, Chief Financal Officer
Sold on a plan
$302.94K 3,638 at 83.27
2.4%
Planned (10b5-1)
27 Aug 2026
Stern Sadie EVP Chief People & Culture Off
Sold on a plan
$226.67K 2,565 at 88.37
2.0%
Planned (10b5-1)
20 Aug 2026
SAYER KEVIN R Executive Chair
Sold on a plan 3×
$2.41M 26,756 at 90.01
8.1%
Planned (10b5-1)
14 Aug 2026
Brown Michael Jon EVP Chief Legal Compliance Off
Sold on a plan
$156.28K 1,700 at 91.93
1.6%
Planned (10b5-1)
20 Jul 2026
SAYER KEVIN R Executive Chair
Sold on a plan
$2.04M 26,756 at 76.32
7.5%
Planned (10b5-1)
15 Jul 2026
Brown Michael Jon EVP Chief Legal Compliance Off
Sold on a plan
$126.51K 1,700 at 74.42
1.6%
Planned (10b5-1)
6 Jul 2026
SAYER KEVIN R Executive Chair
Sold on a plan
$1.93M 26,756 at 72.00
7.0%
Planned (10b5-1)
15 Jun 2026
Brown Michael Jon EVP Chief Legal Compliance Off
Sold on a plan
$128.44K 1,700 at 75.55
1.6%
Planned (10b5-1)
4 Jun 2026
Coleman Jon EVP, Chief Commercial Officer
Sold on a plan
$364.05K 4,911 at 74.13
4.9%
Planned (10b5-1)
3 Jun 2026
Coleman Jon EVP, Chief Commercial Officer
Sold on a plan
$358.58K 4,912 at 73.00
4.7%
Planned (10b5-1)
21 May 2026
SAYER KEVIN R Executive Chair
Sold on a plan
$1.93M 26,759 at 72.00
6.5%
Planned (10b5-1)
15 May 2026
Brown Michael Jon EVP, Chief Legal Officer
Sold on a plan
$101.85K 1,700 at 59.91
1.5%
Planned (10b5-1)
15 Apr 2026
Brown Michael Jon EVP, Chief Legal Officer
Sold on a plan
$107.17K 1,700 at 63.04
1.5%
Planned (10b5-1)
16 Mar 2026
Brown Michael Jon EVP, Chief Legal Officer
Sold on a plan
$110.25K 1,700 at 64.85
1.5%
Planned (10b5-1)
10 Nov 2025
Leach Jacob Steven President & COO
Bought 2×
$1.00M 18,200 at 55.04
5.8%
First buy on file
4 Sep 2025
Stern Sadie EVP, Chief HR Officer
Sold on a plan
$117.28K 1,466 at 80.00
1.4%
Planned (10b5-1)
2 Sep 2025
Sylvain Jereme M EVP, Chief Financal Officer
Sold on a plan
$357.80K 4,824 at 74.17
3.9%
Planned (10b5-1)
15 Aug 2025
Brown Michael Jon EVP, Chief Legal Officer
Sold on a plan
$40.15K 500 at 80.29
0.5%
Planned (10b5-1)
28 Jul 2025
Stern Sadie EVP, Chief HR Officer
Sold on a plan
$130.46K 1,466 at 88.99
1.4%
Planned (10b5-1)
15 Jul 2025
Brown Michael Jon EVP, Chief Legal Officer
Sold on a plan
$43.02K 500 at 86.03
0.5%
Planned (10b5-1)
26 Jun 2025
Stern Sadie EVP, Chief HR Officer
Sold on a plan
$124.70K 1,466 at 85.06
1.3%
Planned (10b5-1)
16 Jun 2025
Brown Michael Jon EVP, Chief Legal Officer
Sold on a plan
$41.40K 500 at 82.80
0.5%
Planned (10b5-1)
27 May 2025
Stern Sadie EVP, Chief HR Officer
Sold on a plan
$526.32K 6,184 at 85.11
5.3%
Planned (10b5-1)
23 May 2025
Brown Michael Jon EVP, Chief Legal Officer
Sold on a plan
$842.85K 10,000 at 84.28
9.5%
Planned (10b5-1)
12 Mar 2025
Leach Jacob Steven EVP, Chief Operating Officer
Sold at will
$990.67K 14,076 at 70.38
4.3%
Not planned
12 Mar 2025
Brown Michael Jon EVP, Chief Legal Officer
Sold at will
$914.94K 13,000 at 70.38
11.0%
Not planned
12 Mar 2025
Sylvain Jereme M EVP, Chief Financal Officer
Sold at will
$844.63K 12,001 at 70.38
8.9%
Not planned
12 Mar 2025
Stern Sadie EVP, Chief HR Officer
Sold at will
$786.57K 11,176 at 70.38
8.8%
Not planned
10 Mar 2025
Sylvain Jereme M EVP, Chief Financal Officer
Sold on a plan 3×
$516.83K 7,000 at 73.83
4.9%
Planned (10b5-1)
29 Jan 2025
Leach Jacob Steven EVP, Chief Operating Officer
Sold at will
$228.93K 2,634 at 86.91
1.0%
Not planned
29 Jan 2025
Stern Sadie EVP, Chief HR Officer
Sold at will
$181.91K 2,093 at 86.91
2.7%
Not planned
29 Jan 2025
Sylvain Jereme M EVP, Chief Financal Officer
Sold at will
$181.65K 2,090 at 86.91
2.4%
Not planned
29 Jan 2025
Dolan Matthew Vincent EVP, Strategy & Corporate Dev
Sold at will
$102.82K 1,183 at 86.91
2.7%
Not planned
16 Dec 2024
Leach Jacob Steven EVP, Chief Operating Officer
Sold at will
$57.19K 744 at 76.87
0.3%
Not planned
16 Dec 2024
Sylvain Jereme M EVP, Chief Financal Officer
Sold at will
$57.19K 744 at 76.87
0.9%
Not planned
16 Dec 2024
Stern Sadie EVP, Chief HR Officer
Sold at will
$32.59K 424 at 76.87
0.6%
Not planned
20 Nov 2024
Stern Sadie EVP, Chief HR Officer
Sold at will
$318.28K 4,259 at 74.73
5.6%
Not planned
15 Nov 2024
Sylvain Jereme M EVP, Chief Financal Officer
Sold on a plan
$264.29K 3,500 at 75.51
4.2%
Planned (10b5-1)
9 Sep 2024
Leach Jacob Steven EVP, Chief Operating Officer
Sold at will
$51.59K 746 at 69.15
0.3%
Not planned
9 Sep 2024
Sylvain Jereme M EVP, Chief Financal Officer
Sold at will
$51.59K 746 at 69.15
0.9%
Not planned
9 Sep 2024
Stern Sadie EVP, Chief HR Officer
Sold at will
$29.46K 426 at 69.15
0.6%
Not planned
30 Aug 2024
Brown Michael Jon EVP, Chief Legal Officer
Sold on a plan
$48.02K 686 at 70.00
1.0%
Planned (10b5-1)
31 Jul 2024
Brown Michael Jon EVP, Chief Legal Officer
Sold on a plan
$45.35K 652 at 69.55
1.0%
Planned (10b5-1)
28 Jun 2024
Brown Michael Jon EVP Chief Legal Officer
Sold on a plan
$75.32K 659 at 114.29
1.0%
Planned (10b5-1)
10 Jun 2024
Leach Jacob Steven EVP Chief Operating Officer
Sold at will
$85.71K 745 at 115.05
0.3%
Not planned
10 Jun 2024
Stern Sadie EVP Chief HR Officer
Sold at will
$49.13K 427 at 115.05
0.6%
Not planned
31 May 2024
Brown Michael Jon EVP Chief Legal Officer
Sold on a plan
$77.74K 652 at 119.24
1.0%
Planned (10b5-1)
15 May 2024
Dolan Matthew Vincent EVP Strategy and Corporate Dev
Sold on a plan
$306.70K 2,423 at 126.58
5.7%
Planned (10b5-1)
Showing 1–50 of 399. Page 1 of 8 Older →