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Insider Trading activities at Tandem Diabetes Care Inc (TNDM) , Part 4

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Tandem Diabetes Care Inc (TNDM) since 2015 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Tandem Diabetes Care Inc. (See page 1 of this report.) Table 2 shows the detailed insider transactions. This company's CIK number is 1438133.

Total stock buying since 2015: $8,760,324.
Total stock sales since 2015: $288,069,064.
Total stock option exercises since 2015: $40,897,276.


 1   2   3   4 
24 insiders reported insider trading activities at Tandem Diabetes Care Inc (TNDM):
▪ Insider trading activities of Greene Howard E Jr
▪ Insider trading activities of Mcgroddy-goetz Kathleen
▪ Insider trading activities of Hansen Brian B
▪ Insider trading activities of Vosseller Leigh
▪ Insider trading activities of Hansen Shannon Marie
▪ Insider trading activities of Sheridan John F
▪ Insider trading activities of Roeder Douglas A
▪ Insider trading activities of Gasser Elizabeth Anne
▪ Insider trading activities of Cha Myoungil
▪ Insider trading activities of Malagueira Joao Paulo Falcao
▪ Insider trading activities of Sodhi Rajwant
▪ Insider trading activities of Blickenstaff Kim D
▪ Insider trading activities of Howell Peyton R
▪ Insider trading activities of Carpenter Rick
▪ Insider trading activities of Kyrillos Jean-claude
▪ Insider trading activities of Leal James
▪ Insider trading activities of Robertson Rebecca B
▪ Insider trading activities of Novara Mark David
▪ Insider trading activities of Allen Dick
▪ Insider trading activities of Berger David B
▪ Insider trading activities of Valencia Richard P.
▪ Insider trading activities of Twomey Christopher J
▪ Insider trading activities of Cahill Edward L
▪ Insider trading activities of Morrison Susan

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at Tandem Diabetes Care Inc (TNDM).
Insider Buying Insider Sales Option Exercises
Year Shares Value Shares Value Shares Value
2025 34,258 $442,699 0 $0 281,611 $727,316
2024 532 $12,363 45,000 $1,499,800 122,781 $2,135,032
2023 30,150 $725,493 10,000 $411,880 78,194 $188,600
2022 7,000 $511,000 61,264 $4,357,679 114,161 $1,809,566
2021 0 $0 742,594 $80,143,135 298,653 $7,120,813
2020 0 $0 1,150,064 $113,485,413 1,128,650 $26,226,483
2019 0 $0 1,188,342 $77,361,199 267,000 $1,512,598
2018 1,963,593 $4,068,819 262,290 $9,707,524 320,700 $1,090,600
2017 1,885,700 $2,999,950 0 $0 0 $0
2016 0 $0 25,000 $201,984 25,000 $27,650
2015 0 $0 73,000 $900,450 53,000 $58,618


Table 3. Detailed insider trading at Tandem Diabetes Care Inc (TNDM) , Part 4
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2020-02-03 Berger David B (EVP, Chief Legal & Compliance) Sale 2,000 75.46 150,912
2020-02-03 Berger David B (EVP, Chief Legal & Compliance) Option Ex 2,000 2.59 5,180
2020-01-30 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Sale 20,945 77.61 1,625,646
2020-01-30 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Option Ex 20,945 18.86 395,022
2020-01-29 Vosseller Leigh (EVP & CHIEF FINANCIAL OFFICER) Sale 10,000 76.11 761,100
2020-01-29 Vosseller Leigh (EVP & CHIEF FINANCIAL OFFICER) Option Ex 10,000 2.59 25,900
2020-01-29 Allen Dick Sale 10,371 75.92 787,314
2020-01-29 Allen Dick Option Ex 10,371 8.80 91,233
2020-01-29 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Sale 29,055 75.04 2,180,229
2020-01-29 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Option Ex 29,055 18.86 547,977
2020-01-29 Berger David B (EVP, Chief Legal & Compliance) Sale 12,000 74.62 895,476
2020-01-29 Berger David B (EVP, Chief Legal & Compliance) Option Ex 12,000 2.59 31,080
2020-01-29 Blickenstaff Kim D (Executive Chairman) Sale 50,000 76.12 3,806,000
2020-01-16 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Sale 10,000 69.76 697,620
2020-01-16 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Option Ex 10,000 .00 0
2020-01-16 Berger David B (EVP, Chief Legal & Compliance) Sale 8,000 67.83 542,640
2020-01-16 Berger David B (EVP, Chief Legal & Compliance) Option Ex 8,000 2.59 20,720
2019-12-16 Blickenstaff Kim D (Executive Chairman) Sale 200,000 59.92 11,984,400
2019-11-25 Vosseller Leigh (EVP & CHIEF FINANCIAL OFFICER) Sale 10,000 70.35 703,500
2019-11-25 Vosseller Leigh (EVP & CHIEF FINANCIAL OFFICER) Option Ex 10,000 2.59 25,900
2019-11-25 Sheridan John F (PRESIDENT & CEO) Sale 462 70.00 32,340
2019-11-25 Sheridan John F (PRESIDENT & CEO) Option Ex 462 2.59 1,196
2019-11-18 Vosseller Leigh (EVP & CHIEF FINANCIAL OFFICER) Sale 10,000 65.69 656,900
2019-11-18 Vosseller Leigh (EVP & CHIEF FINANCIAL OFFICER) Option Ex 10,000 2.59 25,900
2019-09-06 Sheridan John F (PRESIDENT & CEO) Sale 9,538 70.03 667,946
2019-09-06 Sheridan John F (PRESIDENT & CEO) Option Ex 9,538 2.59 24,703
2019-09-03 Berger David B (EVP, Chief Legal & Compliance) Sale 2,000 72.00 144,000
2019-09-03 Berger David B (EVP, Chief Legal & Compliance) Option Ex 2,000 2.59 5,180
2019-08-29 Blickenstaff Kim D (Executive Chairman) Sale 80,000 71.01 5,680,800
2019-08-28 Roeder Douglas A (Director) Sale 185,088 70.71 13,087,757
2019-08-28 Blickenstaff Kim D (Executive Chairman) Sale 20,000 70.77 1,415,400
2019-08-27 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Sale 6,969 70.00 487,830
2019-08-27 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Option Ex 6,969 18.86 131,435
2019-08-27 Roeder Douglas A (Director) Sale 123,209 70.10 8,636,581
2019-08-12 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Sale 15,000 62.97 944,550
2019-08-12 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Option Ex 15,000 2.59 38,850
2019-08-05 Berger David B (EVP, Chief Legal & Compliance) Sale 2,000 62.56 125,120
2019-08-05 Berger David B (EVP, Chief Legal & Compliance) Option Ex 2,000 2.59 5,180
2019-08-05 Greene Howard E Jr (Director) Sale 10,000 61.67 616,700
2019-08-02 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Sale 5,000 70.01 350,050
2019-08-02 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Option Ex 5,000 18.86 94,300
2019-08-02 Roeder Douglas A (Director) Sale 9,471 70.01 663,074
2019-07-11 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Sale 13,031 70.04 912,691
2019-07-11 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Option Ex 13,031 18.86 245,764
2019-07-11 Roeder Douglas A (Director) Sale 13,347 70.08 935,371
2019-07-03 Berger David B (EVP, Chief Legal & Compliance) Sale 2,000 63.60 127,200
2019-07-03 Berger David B (EVP, Chief Legal & Compliance) Option Ex 2,000 2.59 5,180
2019-06-13 Roeder Douglas A (Director) Sale 35,688 70.07 2,500,658
2019-06-03 Berger David B (EVP, Chief Legal & Compliance) Sale 2,000 67.76 135,520
2019-06-03 Berger David B (EVP, Chief Legal & Compliance) Option Ex 2,000 2.59 5,180
2019-05-16 Vosseller Leigh (EVP and CFO) Sale 10,000 70.45 704,500
2019-05-16 Vosseller Leigh (EVP and CFO) Option Ex 10,000 2.59 25,900
2019-05-03 Vosseller Leigh (EVP and CFO) Sale 10,000 65.14 651,400
2019-05-03 Vosseller Leigh (EVP and CFO) Option Ex 10,000 2.59 25,900
2019-05-03 Berger David B (EVP, Chief Legal & Compliance) Sale 2,000 63.09 126,180
2019-05-03 Berger David B (EVP, Chief Legal & Compliance) Option Ex 2,000 2.59 5,180
2019-05-02 Allen Dick (Director) Sale 17,000 61.30 1,042,185
2019-04-03 Berger David B (EVP, GEN. COUNSEL & SECRETARY) Sale 2,000 62.60 125,200
2019-04-03 Berger David B (EVP, GEN. COUNSEL & SECRETARY) Option Ex 2,000 2.59 5,180
2019-03-15 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Sale 10,000 72.00 720,000
2019-03-15 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Option Ex 10,000 2.59 25,900
2019-03-11 Blickenstaff Kim D (Executive Chairman) Sale 200,000 65.28 13,056,000
2019-03-08 Allen Dick (Director) Sale 17,539 62.75 1,100,642
2019-03-01 Morrison Susan (EVP & CAO) Sale 60,000 67.87 4,072,200
2019-03-01 Morrison Susan (EVP & CAO) Option Ex 60,000 8.43 505,620
2019-02-28 Greene Howard E Jr (Director) Sale 10,000 64.83 648,250
2019-02-27 Sheridan John F (EVP, CHIEF OPERATING OFFICER) Sale 20,000 62.22 1,244,400
2019-02-27 Sheridan John F (EVP, CHIEF OPERATING OFFICER) Option Ex 20,000 5.79 115,900
2019-01-25 Sheridan John F (EVP, CHIEF OPERATING OFFICER) Sale 20,000 45.26 905,180
2019-01-25 Sheridan John F (EVP, CHIEF OPERATING OFFICER) Option Ex 20,000 2.59 51,800
2019-01-15 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Sale 25,000 41.54 1,038,524
2019-01-15 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Option Ex 25,000 2.59 64,750
2019-01-08 Berger David B (EVP, GEN. COUNSEL & SECRETARY) Sale 10,000 40.08 400,750
2019-01-08 Berger David B (EVP, GEN. COUNSEL & SECRETARY) Option Ex 10,000 2.59 25,900
2019-01-02 Sheridan John F (EVP, CHIEF OPERATING OFFICER) Sale 20,000 35.87 717,400
2019-01-02 Sheridan John F (EVP, CHIEF OPERATING OFFICER) Option Ex 20,000 2.59 51,800
2018-12-31 Sheridan John F (EVP, CHIEF OPERATING OFFICER) Sale 788 37.81 29,797
2018-12-12 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Sale 25,000 37.75 943,750
2018-12-12 Hansen Brian B (EVP & CHIEF COMMERCIAL OFFICER) Option Ex 25,000 2.59 64,750
2018-12-06 Berger David B (EVP, GEN. COUNSEL & SECRETARY) Sale 11,493 34.67 398,496
2018-12-06 Berger David B (EVP, GEN. COUNSEL & SECRETARY) Option Ex 10,000 2.59 25,900
2018-11-07 Blickenstaff Kim D (PRESIDENT & CEO) Sale 178,730 37.01 6,614,618
2018-11-06 Blickenstaff Kim D (PRESIDENT & CEO) Sale 19,270 37.00 712,990
2018-11-06 Greene Howard E Jr (Director) Sale 11,787 36.53 430,579
2018-11-05 Valencia Richard P. (Director) Buy 1,300 37.75 49,075
2018-11-05 Allen Dick (Director) Sale 15,222 37.92 577,294
2018-08-03 Valencia Richard P. (Director) Buy 1,754 28.50 49,989
2018-04-16 Blickenstaff Kim D (PRESIDENT & CEO) Option Ex 285,700 3.50 999,950
2018-03-06 Allen Dick (Director) Buy 25,539 3.91 99,755
2018-02-09 Allen Dick (Director) Buy 60,000 2.00 120,000
2018-02-09 Roeder Douglas A (Director) Buy 1,000,000 2.00 2,000,000
2018-02-09 Twomey Christopher J (Director) Buy 75,000 2.00 150,000
2018-02-09 Blickenstaff Kim D (PRESIDENT & CEO) Buy 750,000 2.00 1,500,000
2018-02-09 Greene Howard E Jr (Director) Buy 50,000 2.00 100,000
2017-10-13 Blickenstaff Kim D (PRESIDENT & CEO) Buy 285,700 3.50 999,950
2017-03-23 Blickenstaff Kim D (PRESIDENT & CEO) Buy 1,600,000 1.25 2,000,000
2016-08-01 Sheridan John F (EVP, CHIEF OPERATING OFFICER) Sale 15,000 6.52 97,800
2016-08-01 Sheridan John F (EVP, CHIEF OPERATING OFFICER) Option Ex 15,000 1.11 16,590
2016-05-02 Sheridan John F (EVP, CHIEF OPERATING OFFICER) Sale 2,000 10.61 21,212
2016-05-02 Sheridan John F (EVP, CHIEF OPERATING OFFICER) Option Ex 2,000 1.11 2,212
2016-04-22 Sheridan John F (EVP, CHIEF OPERATING OFFICER) Sale 2,000 10.00 20,000
2016-04-22 Sheridan John F (EVP, CHIEF OPERATING OFFICER) Option Ex 2,000 1.11 2,212
2016-03-07 Sheridan John F (EVP, CHIEF OPERATING OFFICER) Sale 4,000 10.01 40,028
2016-03-07 Sheridan John F (EVP, CHIEF OPERATING OFFICER) Option Ex 4,000 1.11 4,424
2016-01-04 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Sale 2,000 11.47 22,944
2016-01-04 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Option Ex 2,000 1.11 2,212
2015-12-01 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Sale 2,000 10.14 20,280
2015-12-01 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Option Ex 2,000 1.11 2,212
2015-11-02 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Sale 4,000 10.00 40,000
2015-11-02 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Option Ex 4,000 1.11 4,424
2015-09-14 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Sale 2,000 12.51 25,020
2015-09-14 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Option Ex 2,000 1.11 2,212
2015-08-06 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Sale 17,500 12.19 213,395
2015-08-06 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Option Ex 17,500 1.11 19,355
2015-08-05 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Sale 17,500 12.70 222,197
2015-08-05 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Option Ex 17,500 1.11 19,355
2015-08-03 Greene Howard E Jr (Director) Sale 20,000 12.70 254,040
2015-05-01 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Sale 2,000 13.72 27,436
2015-05-01 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Option Ex 2,000 1.11 2,212
2015-04-01 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Sale 2,000 12.47 24,940
2015-04-01 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Option Ex 2,000 1.11 2,212
2015-03-02 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Sale 2,000 11.76 23,514
2015-03-02 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Option Ex 2,000 1.11 2,212
2015-02-02 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Sale 2,000 12.06 24,128
2015-02-02 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Option Ex 2,000 1.11 2,212
2015-01-02 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Sale 2,000 12.75 25,500
2015-01-02 Sheridan John F (EVP & CHIEF OPERATING OFFICER) Option Ex 2,000 1.11 2,212
 1   2   3   4 

Insider trading activities including stock purchases, stock sales, and option exercises of TNDM listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Tandem Diabetes Care Inc (symbol TNDM, CIK number 1438133) see the Securities and Exchange Commission (SEC) website.



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