Insider Transactions last 24 months for Tandem Diabetes Care, Inc. - NSDQ: TNDM
Transactions
All
Buy
Sell
Option Exercise
Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 03/17/2026 DS Direct COM 187 $23.05 $4,310.35 37,656 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 03/16/2026 DF Direct COM 5,540 $21.59 $119,608.60 37,843 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 03/16/2026 AM Direct COM 7,414 $0.00 $0.00 43,383 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 03/05/2026 DS Direct COM 2 $22.81 $45.62 35,969 Hansen Shannon Marie EVP & Chief Legal Officer 02/17/2026 DF Direct COM 452 $18.95 $8,565.40 23,276 Hansen Shannon Marie EVP & Chief Legal Officer 02/17/2026 AM Direct COM 1,097 $0.00 $0.00 23,728 Hansen Shannon Marie EVP & Chief Legal Officer 02/17/2026 DF Direct COM 592 $18.95 $11,218.40 22,631 Hansen Shannon Marie EVP & Chief Legal Officer 02/17/2026 AM Direct COM 1,437 $0.00 $0.00 23,223 Hansen Shannon Marie EVP & Chief Legal Officer 02/17/2026 DF Direct COM 219 $18.95 $4,150.05 21,786 Hansen Shannon Marie EVP & Chief Legal Officer 02/17/2026 AM Direct COM 531 $0.00 $0.00 22,005 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 02/17/2026 DF Direct COM 616 $18.95 $11,673.20 39,411 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 02/17/2026 AM Direct COM 1,495 $0.00 $0.00 40,027 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 02/17/2026 DF Direct COM 619 $18.95 $11,730.05 38,532 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 02/17/2026 AM Direct COM 1,503 $0.00 $0.00 39,151 Sheridan John F PRESIDENT & CEO 02/17/2026 DF Direct COM 2,400 $18.95 $45,480.00 124,691 Sheridan John F PRESIDENT & CEO 02/17/2026 AM Direct COM 5,983 $0.00 $0.00 127,091 Sheridan John F PRESIDENT & CEO 02/17/2026 DF Direct COM 1,963 $18.95 $37,198.85 121,108 Sheridan John F PRESIDENT & CEO 02/17/2026 AM Direct COM 5,471 $0.00 $0.00 123,071 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 02/17/2026 DF Direct COM 62 $18.95 $1,174.90 35,971 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 02/17/2026 AM Direct COM 77 $0.00 $0.00 36,033 Morrison Susan EVP & Chief Admin. Officer 02/17/2026 DF Direct COM 372 $18.95 $7,049.40 42,635 Morrison Susan EVP & Chief Admin. Officer 02/17/2026 AM Direct COM 1,097 $0.00 $0.00 43,007 Morrison Susan EVP & Chief Admin. Officer 02/17/2026 DF Direct COM 510 $18.95 $9,664.50 41,910 Morrison Susan EVP & Chief Admin. Officer 02/17/2026 AM Direct COM 1,503 $0.00 $0.00 42,420 Gasser Elizabeth Anne EVP, Chief Strategy Officer 02/17/2026 DF Direct COM 647 $18.95 $12,260.65 1,066
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Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Gasser Elizabeth Anne EVP, Chief Strategy Officer 12/04/2025 AJ Indirect COM 3,000 $0.00 $0.00 25,949 Hansen Shannon Marie EVP & Chief Legal Officer 11/17/2025 AA Direct COM 800 $15.59 $12,472.00 19,509 Kyrillos Jean-Claude EVP & Chief Operating Officer 11/17/2025 AA Direct COM 160 $15.59 $2,494.40 22,544 Carpenter Rick Chief Technology Officer 11/17/2025 AA Direct COM 339 $15.59 $5,285.01 22,905 Gasser Elizabeth Anne EVP, Chief Strategy Officer 11/17/2025 AA Direct COM 586 $15.59 $9,135.74 1,793 Sheridan John F PRESIDENT & CEO 08/11/2025 AP Direct COM 10,000 $10.23 $102,318.00 106,327 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 08/08/2025 AP Indirect COM 13,720 $10.89 $149,403.94 25,580 Gasser Elizabeth Anne EVP, Chief Strategy Officer 05/29/2025 AJ Indirect COM 11,200 $0.00 $0.00 22,949 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 05/15/2025 AA Direct COM 1,359 $15.64 $21,254.76 28,584 Kyrillos Jean-Claude EVP & Chief Operating Officer 05/15/2025 AA Direct COM 171 $19.30 $3,300.30 10,709 Sheridan John F PRESIDENT & CEO 05/15/2025 AA Direct COM 1,359 $15.64 $21,254.76 80,368 Carpenter Rick Chief Technology Officer 05/15/2025 AA Direct COM 1,020 $15.64 $15,952.80 17,412 Gasser Elizabeth Anne EVP, Chief Strategy Officer 05/15/2025 AA Direct COM 1,147 $15.64 $17,939.08 8,170 Morrison Susan EVP & Chief Admin. Officer 05/15/2025 AA Direct COM 1,359 $15.64 $21,254.76 32,548 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 05/15/2025 AA Direct COM 870 $19.30 $16,791.00 25,004 Kyrillos Jean-Claude EVP & Chief Operating Officer 03/07/2025 AP Direct COM 10,538 $18.12 $190,966.47 10,538 Gasser Elizabeth Anne EVP, Chief Strategy Officer 11/15/2024 AA Direct COM 619 $15.64 $9,681.16 2,988 Sheridan John F PRESIDENT & CEO 11/15/2024 AA Direct COM 381 $15.64 $5,958.84 54,337 Hansen Shannon Marie EVP & Chief Legal Officer 11/15/2024 AA Direct COM 561 $15.64 $8,774.04 11,503 Carpenter Rick Chief Technology Officer 11/15/2024 AA Direct COM 563 $15.64 $8,805.32 14,674 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 11/15/2024 AP Direct COM 532 $23.24 $12,363.68 532 Allen Dick Director 06/11/2024 AJ Indirect COM 9,396 $0.00 $0.00 29,396 Gasser Elizabeth Anne EVP, Chief Strategy Officer 06/10/2024 AJ Indirect COM 11,749 $0.00 $0.00 11,749 Sheridan John F PRESIDENT & CEO 05/15/2024 AA Direct COM 978 $15.64 $15,295.92 30,866 Leal James Chief Manufacturing Officer 05/15/2024 AA Direct COM 590 $15.64 $9,227.60 11,406
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Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 03/17/2026 DS Direct COM 187 $23.05 $4,310.35 37,656 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 03/16/2026 DF Direct COM 5,540 $21.59 $119,608.60 37,843 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 03/05/2026 DS Direct COM 2 $22.81 $45.62 35,969 Hansen Shannon Marie EVP & Chief Legal Officer 02/17/2026 DF Direct COM 452 $18.95 $8,565.40 23,276 Hansen Shannon Marie EVP & Chief Legal Officer 02/17/2026 DF Direct COM 592 $18.95 $11,218.40 22,631 Hansen Shannon Marie EVP & Chief Legal Officer 02/17/2026 DF Direct COM 219 $18.95 $4,150.05 21,786 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 02/17/2026 DF Direct COM 616 $18.95 $11,673.20 39,411 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 02/17/2026 DF Direct COM 619 $18.95 $11,730.05 38,532 Sheridan John F PRESIDENT & CEO 02/17/2026 DF Direct COM 2,400 $18.95 $45,480.00 124,691 Sheridan John F PRESIDENT & CEO 02/17/2026 DF Direct COM 1,963 $18.95 $37,198.85 121,108 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 02/17/2026 DF Direct COM 62 $18.95 $1,174.90 35,971 Morrison Susan EVP & Chief Admin. Officer 02/17/2026 DF Direct COM 372 $18.95 $7,049.40 42,635 Morrison Susan EVP & Chief Admin. Officer 02/17/2026 DF Direct COM 510 $18.95 $9,664.50 41,910 Gasser Elizabeth Anne EVP, Chief Strategy Officer 02/17/2026 DF Direct COM 647 $18.95 $12,260.65 1,066 Gasser Elizabeth Anne EVP, Chief Strategy Officer 02/17/2026 DF Direct COM 887 $18.95 $16,808.65 616 Carpenter Rick Chief Technology Officer 02/17/2026 DF Direct COM 504 $18.95 $9,550.80 25,274 Carpenter Rick Chief Technology Officer 02/17/2026 DF Direct COM 808 $18.95 $15,311.60 24,881 Kyrillos Jean-Claude EVP & Chief Operating Officer 01/15/2026 DF Direct COM 2,118 $21.07 $44,626.26 24,062 Carpenter Rick Chief Technology Officer 12/15/2025 DF Direct COM 207 $22.11 $4,576.77 24,252 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 12/15/2025 DF Direct COM 3,843 $22.11 $84,968.73 35,956 Gasser Elizabeth Anne EVP, Chief Strategy Officer 12/04/2025 DJ Direct COM 3,000 $0.00 $0.00 0 Hansen Shannon Marie EVP & Chief Legal Officer 11/17/2025 DF Direct COM 393 $18.61 $7,313.73 21,474 Hansen Shannon Marie EVP & Chief Legal Officer 11/17/2025 DF Direct COM 515 $18.61 $9,584.15 20,771 Hansen Shannon Marie EVP & Chief Legal Officer 11/17/2025 DF Direct COM 190 $18.61 $3,535.90 19,849 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 11/17/2025 DF Direct COM 536 $18.61 $9,974.96 37,648
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Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 03/16/2026 AM Direct COM 7,414 $0.00 $0.00 43,383 Hansen Shannon Marie EVP & Chief Legal Officer 02/17/2026 AM Direct COM 1,097 $0.00 $0.00 23,728 Hansen Shannon Marie EVP & Chief Legal Officer 02/17/2026 AM Direct COM 1,437 $0.00 $0.00 23,223 Hansen Shannon Marie EVP & Chief Legal Officer 02/17/2026 AM Direct COM 531 $0.00 $0.00 22,005 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 02/17/2026 AM Direct COM 1,495 $0.00 $0.00 40,027 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 02/17/2026 AM Direct COM 1,503 $0.00 $0.00 39,151 Sheridan John F PRESIDENT & CEO 02/17/2026 AM Direct COM 5,983 $0.00 $0.00 127,091 Sheridan John F PRESIDENT & CEO 02/17/2026 AM Direct COM 5,471 $0.00 $0.00 123,071 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 02/17/2026 AM Direct COM 77 $0.00 $0.00 36,033 Morrison Susan EVP & Chief Admin. Officer 02/17/2026 AM Direct COM 1,097 $0.00 $0.00 43,007 Morrison Susan EVP & Chief Admin. Officer 02/17/2026 AM Direct COM 1,503 $0.00 $0.00 42,420 Gasser Elizabeth Anne EVP, Chief Strategy Officer 02/17/2026 AM Direct COM 1,097 $0.00 $0.00 1,713 Gasser Elizabeth Anne EVP, Chief Strategy Officer 02/17/2026 AM Direct COM 1,503 $0.00 $0.00 1,503 Carpenter Rick Chief Technology Officer 02/17/2026 AM Direct COM 897 $0.00 $0.00 25,778 Carpenter Rick Chief Technology Officer 02/17/2026 AM Direct COM 1,437 $0.00 $0.00 25,689 Kyrillos Jean-Claude EVP & Chief Operating Officer 01/15/2026 AM Direct COM 3,636 $0.00 $0.00 26,180 Carpenter Rick Chief Technology Officer 12/15/2025 AM Direct COM 406 $0.00 $0.00 24,459 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 12/15/2025 AM Direct COM 7,415 $0.00 $0.00 39,799 Hansen Shannon Marie EVP & Chief Legal Officer 11/17/2025 AM Direct COM 1,096 $0.00 $0.00 21,867 Hansen Shannon Marie EVP & Chief Legal Officer 11/17/2025 AM Direct COM 1,437 $0.00 $0.00 21,286 Hansen Shannon Marie EVP & Chief Legal Officer 11/17/2025 AM Direct COM 530 $0.00 $0.00 20,039 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 11/17/2025 AM Direct COM 1,496 $0.00 $0.00 38,184 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 11/17/2025 AM Direct COM 1,503 $0.00 $0.00 37,226 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 11/17/2025 AM Direct COM 76 $0.00 $0.00 32,424 Carpenter Rick Chief Technology Officer 11/17/2025 AM Direct COM 897 $0.00 $0.00 24,509
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Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d)
C = Conversion of derivative security |
D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) |
E = Expiration of short derivative position |
F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. |
G = Gift |
H = Expiration (or cancellation) of long derivative position with value received |
I = Discretionary transaction in accordance with Rule 16b-3(f) |
J = Other |
L = Small acquisition under Rule 16a-6 |
M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 |
O = Exercise of out-of-the-money derivative security |
P = Open market or private purchase |
S = Open market or private sale |
U = Disposition pursuant to a tender of shares in a change of control transaction |
W = Acquisition or disposition by will or the laws of descent and distribution |
X = Exercise of in-the-money or at-the-money derivative security |
Z = Deposit into or withdrawal from voting trust
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