Insider trading

Period: 120 months Stock: TNDM Minimum amount: $1M × + Add filter Clear all
Views & alerts

Save your view. Keep the filter you have built, and get an email when a new filing matches it. A free account does both.

When

Period

How far back the list reaches. Filings arrive days after the trade, so the newest rows always lag a little.

66 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.

66 decisions over 120 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.

66 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.

66 decisions over 120 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.
66 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
66 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.

66 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
15 Dec 2021
BERGER DAVID B EVP, Bus Ops & Compliance
Sold, plan not stated
$1.73M 12,000 at 144.25
72.9%
Sold half or more
16 Nov 2021
Morrison Susan EVP & Chief Admin. Officer
Sold, plan not stated
$4.92M 34,624 at 142.21
81.1%
Sold half or more
3 Nov 2021
Gasser Elizabeth Anne EVP, Chief Strategy Officer
Sold, plan not stated
$3.05M 21,785 at 140.02
98.9%
Sold half or more
3 Nov 2021
Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER
Sold, plan not stated
$1.40M 10,000 at 140.05
61.9%
Sold half or more
14 Oct 2021
Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER
Sold, plan not stated
$1.35M 10,000 at 135.09
61.9%
Sold half or more
13 Oct 2021
Morrison Susan EVP & Chief Admin. Officer
Sold, plan not stated
$1.33M 10,048 at 132.01
55.4%
Sold half or more
12 Oct 2021
Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER
Sold, plan not stated
$1.30M 10,000 at 130.00
61.9%
Sold half or more
12 Oct 2021
BERGER DAVID B EVP, Bus Ops & Compliance
Sold, plan not stated
$1.29M 10,000 at 129.28
70.2%
Sold half or more
15 Sep 2021
BERGER DAVID B EVP, Bus Ops & Compliance
Sold, plan not stated 3×
$1.10M 9,000 at 121.99
67.9%
Sold half or more
13 Sep 2021
HANSEN BRIAN B EVP & CHIEF COMMERCIAL OFFICER
Sold, plan not stated 5×
$3.83M 32,180 at 119.00
83.6%
Sold half or more
13 Sep 2021
Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER
Sold, plan not stated 3×
$1.21M 10,000 at 120.75
61.9%
Sold half or more
2 Sep 2021
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated 2×
$3.25M 28,700 at 113.36
12.4%
2 Sep 2021
TWOMEY CHRISTOPHER J Director · indirect
Sold, plan not stated 2×
$1.00M 8,696 at 115.00
53.6%
Sold half or more
17 Aug 2021
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated 2×
$2.80M 25,760 at 108.86
11.3%
16 Aug 2021
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated
$2.64M 24,240 at 109.07
9.6%
13 Aug 2021
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated
$5.36M 50,000 at 107.20
16.5%
12 Aug 2021
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated
$1.48M 13,990 at 105.50
4.4%
9 Aug 2021
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated 2×
$8.61M 80,000 at 107.64
20.0%
9 Aug 2021
Sheridan John F PRESIDENT & CEO
Sold, plan not stated 2×
$1.03M 9,603 at 107.65
60.8%
Sold half or more
8 Jun 2021
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated 3×
$3.35M 38,000 at 88.14
8.4%
16 Mar 2021
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated 4×
$4.47M 51,022 at 87.55
10.1%
15 Mar 2021
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated 2×
$12.99M 148,978 at 87.17
22.8%
16 Dec 2020
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated 4×
$8.26M 94,600 at 87.35
12.7%
15 Dec 2020
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated 2×
$1.26M 13,598 at 92.48
1.8%
9 Dec 2020
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated 2×
$1.50M 15,850 at 94.91
2.0%
1 Dec 2020
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated
$2.43M 25,000 at 97.01
2.9%
12 Nov 2020
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated 2×
$1.80M 16,802 at 106.88
1.9%
10 Nov 2020
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated
$2.50M 25,000 at 100.09
2.8%
9 Nov 2020
Allen Dick Director · indirect
Sold, plan not stated 3×
$2.20M 20,432 at 107.65
40.5%
13 Oct 2020
Sheridan John F PRESIDENT & CEO
Sold, plan not stated 3×
$1.82M 15,000 at 121.31
80.0%
Sold half or more
13 Oct 2020
Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER
Sold, plan not stated 3×
$1.21M 10,000 at 120.87
68.9%
Sold half or more
7 Oct 2020
HANSEN BRIAN B EVP & CHIEF COMMERCIAL OFFICER
Sold, plan not stated
$1.77M 15,000 at 117.76
76.3%
Sold half or more
16 Sep 2020
HANSEN BRIAN B EVP & CHIEF COMMERCIAL OFFICER
Sold, plan not stated 2×
$1.19M 10,525 at 113.00
69.3%
Sold half or more
15 Sep 2020
Sheridan John F PRESIDENT & CEO
Sold, plan not stated
$1.06M 9,599 at 110.00
71.9%
Sold half or more
3 Sep 2020
HANSEN BRIAN B EVP & CHIEF COMMERCIAL OFFICER
Sold, plan not stated 4×
$4.36M 39,132 at 111.36
89.3%
Sold half or more
2 Sep 2020
Sold, plan not stated 5×
$1.08M 9,500 at 114.14
100%
Sold half or more
18 Aug 2020
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated
$3.96M 38,250 at 103.49
4.1%
7 Aug 2020
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated 4×
$17.13M 161,244 at 106.23
17.1%
6 Aug 2020
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated 2×
$12.92M 122,298 at 105.65
19.7%
3 Aug 2020
Sheridan John F PRESIDENT & CEO
Sold, plan not stated 2×
$3.39M 33,200 at 102.21
89.8%
Sold half or more
3 Aug 2020
HANSEN BRIAN B EVP & CHIEF COMMERCIAL OFFICER
Sold, plan not stated 4×
$2.54M 23,954 at 105.86
83.7%
Sold half or more
31 Jul 2020
Morrison Susan EVP & Chief Admin. Officer
Sold, plan not stated 6×
$5.43M 50,000 at 108.58
88.9%
Sold half or more
31 Jul 2020
Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER
Sold, plan not stated
$1.10M 10,000 at 110.03
68.9%
Sold half or more
6 Jul 2020
Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER
Sold, plan not stated
$1.05M 10,000 at 105.04
68.9%
Sold half or more
2 Jul 2020
Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER
Sold, plan not stated 2×
$1.00M 10,000 at 100.44
68.9%
Sold half or more
30 Jun 2020
BLICKENSTAFF KIM D Director · indirect
Sold, plan not stated 2×
$4.78M 50,000 at 95.57
7.9%
21 Feb 2020
Sheridan John F PRESIDENT & CEO
Sold, plan not stated 3×
$2.64M 30,000 at 87.86
92.3%
Sold half or more
13 Feb 2020
BERGER DAVID B EVP, Chief Legal & Compliance
Sold, plan not stated
$1.32M 16,000 at 82.67
82.9%
Sold half or more
30 Jan 2020
HANSEN BRIAN B EVP & CHIEF COMMERCIAL OFFICER
Sold, plan not stated
$1.63M 20,945 at 77.62
87.5%
Sold half or more
29 Jan 2020
BLICKENSTAFF KIM D Executive Chairman · indirect
Sold, plan not stated 2×
$3.80M 50,000 at 75.92
7.2%
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