Tandem Diabetes Care, Inc. 2025-2026 Proxy Voting Records

Description as filed by funds: To elect nine directors for a one-year term expiring at the 2027 annual meeting of stockholders: Rebecca Robertson

Tandem Diabetes Care, Inc.’s own tally for this item (“Elect Director: Rebecca Robertson”): 54,160,282 for, 799,310 against, per its Form 8-K filed May 21, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: not verified — the filing’s own statement of the outcome could not be identified for this item.
Support: 99% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 73 asset managers below reported 25,035,357 for, 69,427 against.

Showing the 25 largest of 73 asset managers. See all 73 in the interactive database.

Description as filed by funds: To elect nine directors for a one-year term expiring at the 2027 annual meeting of stockholders: Sandra Beaver

Tandem Diabetes Care, Inc.’s own tally for this item (“Elect Director: Sandra Beaver”): 54,607,191 for, 348,050 against, per its Form 8-K filed May 21, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: not verified — the filing’s own statement of the outcome could not be identified for this item.
Support: 99.3% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 73 asset managers below reported 25,075,683 for, 29,100 against.

Showing the 25 largest of 73 asset managers. See all 73 in the interactive database.

Description as filed by funds: To elect nine directors for a one-year term expiring at the 2027 annual meeting of stockholders: Myoungil Cha

Tandem Diabetes Care, Inc.’s own tally for this item (“Elect Director: Myoungil Cha”): 54,456,358 for, 502,290 against, per its Form 8-K filed May 21, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: not verified — the filing’s own statement of the outcome could not be identified for this item.
Support: 99.0% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 73 asset managers below reported 25,070,044 for, 34,740 against.

Showing the 25 largest of 73 asset managers. See all 73 in the interactive database.

Description as filed by funds: To elect nine directors for a one-year term expiring at the 2027 annual meeting of stockholders: Peyton Howell

Tandem Diabetes Care, Inc.’s own tally for this item (“Elect Director: Peyton Howell”): 54,179,597 for, 773,220 against, per its Form 8-K filed May 21, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: not verified — the filing’s own statement of the outcome could not be identified for this item.
Support: 99% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 73 asset managers below reported 25,070,039 for, 34,745 against.

Showing the 25 largest of 73 asset managers. See all 73 in the interactive database.

Description as filed by funds: To elect nine directors for a one-year term expiring at the 2027 annual meeting of stockholders: Joao Malagueira

Tandem Diabetes Care, Inc.’s own tally for this item (“Elect Director: Joao Malagueira”): 54,454,159 for, 499,747 against, per its Form 8-K filed May 21, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: not verified — the filing’s own statement of the outcome could not be identified for this item.
Support: 99.0% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 73 asset managers below reported 25,070,044 for, 34,740 against.

Showing the 25 largest of 73 asset managers. See all 73 in the interactive database.

Description as filed by funds: To elect nine directors for a one-year term expiring at the 2027 annual meeting of stockholders: Kathleen McGroddy-Goetz

Tandem Diabetes Care, Inc.’s own tally for this item (“Elect Director: Kathleen McGroddy-Goetz”): 54,312,399 for, 641,726 against, per its Form 8-K filed May 21, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: not verified — the filing’s own statement of the outcome could not be identified for this item.
Support: 99% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 73 asset managers below reported 25,064,456 for, 40,328 against.

Showing the 25 largest of 73 asset managers. See all 73 in the interactive database.

Description as filed by funds: To elect nine directors for a one-year term expiring at the 2027 annual meeting of stockholders: John Sheridan

Tandem Diabetes Care, Inc.’s own tally for this item (“Elect Director: John Sheridan”): 54,432,569 for, 536,164 against, per its Form 8-K filed May 21, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: not verified — the filing’s own statement of the outcome could not be identified for this item.
Support: 99.0% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 73 asset managers below reported 25,070,043 for, 34,740 against.

Showing the 25 largest of 73 asset managers. See all 73 in the interactive database.

Description as filed by funds: To elect nine directors for a one-year term expiring at the 2027 annual meeting of stockholders: Rajwant Sodhi

Tandem Diabetes Care, Inc.’s own tally for this item (“Elect Director: Rajwant Sodhi”): 54,328,131 for, 621,295 against, per its Form 8-K filed May 21, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: not verified — the filing’s own statement of the outcome could not be identified for this item.
Support: 99% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 73 asset managers below reported 25,064,456 for, 40,328 against.

Showing the 25 largest of 73 asset managers. See all 73 in the interactive database.

Description as filed by funds: To elect nine directors for a one-year term expiring at the 2027 annual meeting of stockholders: Christopher Twomey

Tandem Diabetes Care, Inc.’s own tally for this item (“Elect Director: Christopher Twomey”): 47,921,655 for, 7,034,208 against, per its Form 8-K filed May 21, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: not verified — the filing’s own statement of the outcome could not be identified for this item.
Support: 87% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 73 asset managers below reported 22,328,478 for, 2,776,306 against.

Showing the 25 largest of 73 asset managers. See all 73 in the interactive database.

Description as filed by funds: To approve an amendment to the Company's Amended and Restated Certificate of Incorporation to provide for removal of directors with or without cause, as required by Section 141(k) of the Delaware General Corporation Law ("DGCL").

Tandem Diabetes Care, Inc.’s own tally for this item (“4. To approve an amendment to the Company's Amended and Restated Certificate of Incorporation to provide for removal of directors with or without cause, as required by Section 141(k) of the DGCL”): 57,818,029 for, 126,025 against — passed, per its Form 8-K filed May 21, 2026 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “This proposal was approved and the voting results were as follows:”
Support: 99.7% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 73 asset managers below reported 25,104,784 for.

Showing the 25 largest of 73 asset managers. See all 73 in the interactive database.

Description as filed by funds: To approve an amendment to the Company's Amended and Restated Certificate of Incorporation to, among other things, (i) limit the liability of officers of the Company to the maximum extent permitted by law as permitted pursuant to Section 102(b)(7) of the DGCL, and (ii) implement certain other changes based on updates to the DGCL.

Tandem Diabetes Care, Inc.’s own tally for this item (“5. To approve an amendment to the Company's Amended and Restated Certificate of Incorporation to, among other things, (i) limit the liability of officers of the Company to the maximum extent permitted by law as permitted”): 45,926,405 for, 9,043,831 against — passed, per its Form 8-K filed May 21, 2026 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “This proposal was approved and the voting results were as follows:”
Support: 84% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 73 asset managers below reported 21,458,971 for, 3,645,814 against.

Showing the 25 largest of 73 asset managers. See all 73 in the interactive database.

Description as filed by funds: To approve the Company's 2023 Long-Term Incentive Plan, as amended, to, among other things, increase the number of shares authorized for issuance under the plan.

Tandem Diabetes Care, Inc.’s own tally for this item (“3. To approve the Amended Plan to, among other things, increase the number of shares authorized for issuance under the plan”): 53,846,696 for, 1,108,529 against — passed, per its Form 8-K filed May 21, 2026 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “This proposal was approved and the voting results were as follows:”
Support: 98% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

Also reported under other wordings, matched to the same row of Tandem Diabetes Care, Inc.’s official tally and shown with their own fund figures; their managers are not in the figures or the table on this card: “Amend Omnibus Stock Plan” (3 managers, 78,599 for).

Fund voting reports and institutional-manager reports both cover this item. An institutional manager can report shares that a fund it advises also reports, so the two are shown separately below and never added together, and their sum is not shown (fund and manager reports combined may count the same shares twice).

Fund voting reports, all 69 managers: 24,957,202 for, 68,983 against. Showing the 25 largest; see all in the interactive database.

Institutional-manager reports, all 3 managers: 1,194,737 for.

Description as filed by funds: To approve, on a non-binding, advisory basis, the compensation of our named executive officers.

Tandem Diabetes Care, Inc.’s own tally for this item (“2. To approve, on a non-binding, advisory basis, the compensation of the Company's named executive officers as described in the Proxy Statement”): 53,460,747 for, 1,481,027 against — passed, per its Form 8-K filed May 21, 2026 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “This proposal was approved and the voting results were as follows:”
Support: 97% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

Fund voting reports and institutional-manager reports both cover this item. An institutional manager can report shares that a fund it advises also reports, so the two are shown separately below and never added together, and their sum is not shown (fund and manager reports combined may count the same shares twice).

Fund voting reports, all 72 managers: 24,846,006 for, 258,778 against. Showing the 25 largest; see all in the interactive database.

Institutional-manager reports, all 261 managers: 31,106,255 for, 1,202,909 against, 27 abstained, 2,392 not voted, 2,331,190 mixed. Showing the 25 largest; see all in the interactive database.

Description as filed by funds: To ratify the appointment of Ernst & Young LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2026.

Tandem Diabetes Care, Inc.’s own tally for this item (“6. To ratify the appointment of Ernst & Young LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026”): 57,493,084 for, 454,735 against — passed, per its Form 8-K filed May 21, 2026 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “This proposal was approved and the voting results were as follows:”
Support: 99.2% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 73 asset managers below reported 25,076,131 for, 28,654 against.

Showing the 25 largest of 73 asset managers. See all 73 in the interactive database.