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 09/15/2025 DF Direct COM 3,866 $12.09 $46,739.94 32,348 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 09/15/2025 AM Direct COM 7,415 $0.00 $0.00 36,214 Carpenter Rick Chief Technology Officer 09/15/2025 DF Direct COM 207 $12.09 $2,502.63 22,566 Carpenter Rick Chief Technology Officer 09/15/2025 AM Direct COM 406 $0.00 $0.00 22,773 Gasser Elizabeth Anne EVP, Chief Strategy Officer 08/15/2025 DF Direct COM 588 $10.82 $6,362.16 1,207 Gasser Elizabeth Anne EVP, Chief Strategy Officer 08/15/2025 AM Direct COM 1,097 $0.00 $0.00 1,795 Gasser Elizabeth Anne EVP, Chief Strategy Officer 08/15/2025 DF Direct COM 805 $10.82 $8,710.10 698 Gasser Elizabeth Anne EVP, Chief Strategy Officer 08/15/2025 AM Direct COM 1,503 $0.00 $0.00 1,503 Hansen Shannon Marie EVP & Chief Legal Officer 08/15/2025 DF Direct COM 393 $10.82 $4,252.26 18,709 Hansen Shannon Marie EVP & Chief Legal Officer 08/15/2025 AM Direct COM 1,097 $0.00 $0.00 19,102 Hansen Shannon Marie EVP & Chief Legal Officer 08/15/2025 DF Direct COM 515 $10.82 $5,572.30 18,005 Hansen Shannon Marie EVP & Chief Legal Officer 08/15/2025 AM Direct COM 1,437 $0.00 $0.00 18,520 Hansen Shannon Marie EVP & Chief Legal Officer 08/15/2025 DF Direct COM 190 $10.82 $2,055.80 17,083 Hansen Shannon Marie EVP & Chief Legal Officer 08/15/2025 AM Direct COM 531 $0.00 $0.00 17,273 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 08/15/2025 DF Direct COM 535 $10.82 $5,788.70 35,723 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 08/15/2025 AM Direct COM 1,495 $0.00 $0.00 36,258 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 08/15/2025 DF Direct COM 538 $10.82 $5,821.16 34,763 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 08/15/2025 AM Direct COM 1,503 $0.00 $0.00 35,301 Carpenter Rick Chief Technology Officer 08/15/2025 DF Direct COM 457 $10.82 $4,944.74 22,367 Carpenter Rick Chief Technology Officer 08/15/2025 AM Direct COM 898 $0.00 $0.00 22,824 Carpenter Rick Chief Technology Officer 08/15/2025 DF Direct COM 730 $10.82 $7,898.60 21,926 Carpenter Rick Chief Technology Officer 08/15/2025 AM Direct COM 1,437 $0.00 $0.00 22,656 Sheridan John F PRESIDENT & CEO 08/15/2025 DF Direct COM 3,038 $10.82 $32,871.16 111,963 Sheridan John F PRESIDENT & CEO 08/15/2025 AM Direct COM 5,982 $0.00 $0.00 115,001 Sheridan John F PRESIDENT & CEO 08/15/2025 DF Direct COM 2,779 $10.82 $30,068.78 109,019
1   2   3   4   5   6   7   8   9   10   Next  Last   You are at page 1 of 16 pages
Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
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 Hansen Shannon Marie Chief Legal Officer 05/15/2024 AA Direct COM 799 $15.64 $12,496.36 4,375 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 05/15/2024 AA Direct COM 1,358 $15.64 $21,239.12 14,298 Carpenter Rick Chief Technology Officer 05/15/2024 AA Direct COM 796 $15.64 $12,449.44 6,896 Morrison Susan EVP & Chief Admin. Officer 05/15/2024 AA Direct COM 1,360 $15.64 $21,270.40 16,811 Gasser Elizabeth Anne EVP, Chief Strategy Officer 05/15/2024 AA Direct COM 813 $15.64 $12,715.32 7,236
1   2   Next  Last   You are at page 1 of 2 pages
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 09/15/2025 DF Direct COM 3,866 $12.09 $46,739.94 32,348 Carpenter Rick Chief Technology Officer 09/15/2025 DF Direct COM 207 $12.09 $2,502.63 22,566 Gasser Elizabeth Anne EVP, Chief Strategy Officer 08/15/2025 DF Direct COM 588 $10.82 $6,362.16 1,207 Gasser Elizabeth Anne EVP, Chief Strategy Officer 08/15/2025 DF Direct COM 805 $10.82 $8,710.10 698 Hansen Shannon Marie EVP & Chief Legal Officer 08/15/2025 DF Direct COM 393 $10.82 $4,252.26 18,709 Hansen Shannon Marie EVP & Chief Legal Officer 08/15/2025 DF Direct COM 515 $10.82 $5,572.30 18,005 Hansen Shannon Marie EVP & Chief Legal Officer 08/15/2025 DF Direct COM 190 $10.82 $2,055.80 17,083 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 08/15/2025 DF Direct COM 535 $10.82 $5,788.70 35,723 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 08/15/2025 DF Direct COM 538 $10.82 $5,821.16 34,763 Carpenter Rick Chief Technology Officer 08/15/2025 DF Direct COM 457 $10.82 $4,944.74 22,367 Carpenter Rick Chief Technology Officer 08/15/2025 DF Direct COM 730 $10.82 $7,898.60 21,926 Sheridan John F PRESIDENT & CEO 08/15/2025 DF Direct COM 3,038 $10.82 $32,871.16 111,963 Sheridan John F PRESIDENT & CEO 08/15/2025 DF Direct COM 2,779 $10.82 $30,068.78 109,019 Morrison Susan EVP & Chief Admin. Officer 08/15/2025 DF Direct COM 314 $10.82 $3,397.48 39,062 Morrison Susan EVP & Chief Admin. Officer 08/15/2025 DF Direct COM 430 $10.82 $4,652.60 38,279 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 08/15/2025 DF Direct COM 40 $10.82 $432.80 28,799 Kyrillos Jean-Claude EVP & Chief Operating Officer 07/15/2025 DF Direct COM 5,205 $15.20 $79,116.00 20,049 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 06/16/2025 DF Direct COM 3,846 $20.76 $79,842.96 28,763 Carpenter Rick Chief Technology Officer 06/16/2025 DF Direct COM 207 $20.76 $4,297.32 21,219 Allen Dick Director 06/02/2025 DG Indirect COM 1,000 $19.88 $19,880.00 0 Gasser Elizabeth Anne EVP, Chief Strategy Officer 05/29/2025 DJ Direct COM 11,200 $0.00 $0.00 0 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 05/15/2025 DF Direct COM 2,141 $22.70 $48,600.70 33,798 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 05/15/2025 DF Direct COM 538 $22.70 $12,212.60 29,957 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 05/15/2025 DF Direct COM 170 $22.70 $3,859.00 28,992 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 05/15/2025 DF Direct COM 58 $22.70 $1,316.60 28,688
1   2   3   4   5   6   7   Next  Last   You are at page 1 of 7 pages
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 09/15/2025 AM Direct COM 7,415 $0.00 $0.00 36,214 Carpenter Rick Chief Technology Officer 09/15/2025 AM Direct COM 406 $0.00 $0.00 22,773 Gasser Elizabeth Anne EVP, Chief Strategy Officer 08/15/2025 AM Direct COM 1,097 $0.00 $0.00 1,795 Gasser Elizabeth Anne EVP, Chief Strategy Officer 08/15/2025 AM Direct COM 1,503 $0.00 $0.00 1,503 Hansen Shannon Marie EVP & Chief Legal Officer 08/15/2025 AM Direct COM 1,097 $0.00 $0.00 19,102 Hansen Shannon Marie EVP & Chief Legal Officer 08/15/2025 AM Direct COM 1,437 $0.00 $0.00 18,520 Hansen Shannon Marie EVP & Chief Legal Officer 08/15/2025 AM Direct COM 531 $0.00 $0.00 17,273 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 08/15/2025 AM Direct COM 1,495 $0.00 $0.00 36,258 Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER 08/15/2025 AM Direct COM 1,503 $0.00 $0.00 35,301 Carpenter Rick Chief Technology Officer 08/15/2025 AM Direct COM 898 $0.00 $0.00 22,824 Carpenter Rick Chief Technology Officer 08/15/2025 AM Direct COM 1,437 $0.00 $0.00 22,656 Sheridan John F PRESIDENT & CEO 08/15/2025 AM Direct COM 5,982 $0.00 $0.00 115,001 Sheridan John F PRESIDENT & CEO 08/15/2025 AM Direct COM 5,471 $0.00 $0.00 111,798 Morrison Susan EVP & Chief Admin. Officer 08/15/2025 AM Direct COM 1,097 $0.00 $0.00 39,376 Morrison Susan EVP & Chief Admin. Officer 08/15/2025 AM Direct COM 1,503 $0.00 $0.00 38,709 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 08/15/2025 AM Direct COM 76 $0.00 $0.00 28,839 Kyrillos Jean-Claude EVP & Chief Operating Officer 07/15/2025 AM Direct COM 14,545 $0.00 $0.00 25,254 Malagueira Joao Paulo Falcao Director 06/16/2025 AM Direct COM 1,749 $0.00 $0.00 13,699 Cha Myoungil Director 06/16/2025 AM Direct COM 1,749 $0.00 $0.00 13,699 Novara Mark David EVP & CHIEF COMMERCIAL OFFICER 06/16/2025 AM Direct COM 7,414 $0.00 $0.00 32,609 Carpenter Rick Chief Technology Officer 06/16/2025 AM Direct COM 406 $0.00 $0.00 21,426 Allen Dick Director 05/22/2025 AM Direct COM 4,387 $20.64 $90,547.68 19,387 Malagueira Joao Paulo Falcao Director 05/22/2025 AM Direct COM 4,387 $20.64 $90,547.68 11,950 Twomey Christopher J Director 05/22/2025 AM Direct COM 4,387 $20.64 $90,547.68 15,675 Howell Peyton R Director 05/22/2025 AM Direct COM 4,387 $20.64 $90,547.68 21,077
1   2   3   4   5   6   7   8   Next  Last   You are at page 1 of 8 pages
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
Send to Excel
© 2000 - 2025 Zacks Investment Research