InsiderTrades

Gasser Elizabeth Anne

SEC CIK 1866283 · EDGAR

Buying vs selling by month open-market trades, last 59 months, TNDM
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
TNDMTANDEM DIABETES CARE INCEVP, Chief Strategy Off 2,425 — $3.37M 822021-08-272026-08-15

Most active insiders at TNDM, 12 months

#InsiderTitleBoughtSold
1 Novara Mark DavidEVP, Chief COMMERCIAL Off —$4,356
2 Malagueira Joao Paulo FalcaoDir ——
3 Cha MyoungilDir ——
4 Hansen Shannon MarieEVP, CLO ——
5 Gasser Elizabeth AnneEVP, Chief Strategy Off ——
6 McGroddy-Goetz KathleenDir ——
7 Kyrillos Jean-ClaudeEVP, COO ——
8 Vosseller LeighEVP, CFO ——
9 Sodhi RajwantDir ——
10 Morrison SusanEVP, Chief Admin. Off ——

Transactions 82

Type
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X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DM 2026-08-18 16:27 2026-08-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +3,014 2,425 New $0
DM 2026-08-18 16:27 2026-08-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $22.72 -1,618 1,396 -54% -$36.8K
2026-06-04 16:09 2026-06-02 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off G - Gift $0.00 -7,160 0 -100% $0
I 2026-06-04 16:09 2026-06-02 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off G - Gift $0.00 +7,160 33.1K +28% $0
DM 2026-05-19 16:13 2026-05-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +10.3K 9,937 New $0
DM 2026-05-19 16:13 2026-05-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $12.82 -5,510 5,823 -49% -$70.6K
D 2026-05-19 16:13 2026-05-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off A - Grant $10.90 +1,337 7,160 +23% +$14.6K
DM 2026-02-19 2026-02-17 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +2,600 1,713 New $0
DM 2026-02-19 2026-02-17 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $18.95 -1,534 616 -71% -$29.1K
I 2025-12-08 2025-12-04 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off J - Other $0.00 +3,000 25.9K +13% $0
2025-12-08 2025-12-04 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off J - Other $0.00 -3,000 0 -100% $0
DM 2025-11-19 2025-11-17 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $18.61 -1,392 2,491 -36% -$25.9K
DM 2025-11-19 2025-11-17 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +2,599 3,296 +373% $0
D 2025-11-19 2025-11-17 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off A - Grant $15.59 +586 1,793 +49% +$9,136
DM 2025-08-19 2025-08-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +2,600 1,503 New $0
DM 2025-08-19 2025-08-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $10.82 -1,393 1,207 -54% -$15.1K
2025-06-02 2025-05-29 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off J - Other $0.00 -11.2K 0 -100% $0
I 2025-06-02 2025-05-29 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off J - Other $0.00 +11.2K 22.9K +95% $0
DM 2025-05-19 2025-05-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +6,526 8,332 +361% $0
DM 2025-05-19 2025-05-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $22.70 -3,496 8,245 -30% -$79.4K
D 2025-05-19 2025-05-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off A - Grant $15.64 +1,147 8,170 +16% +$17.9K
DM 2025-02-27 2025-02-25 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $33.34 -3,748 4,509 -45% -$125.0K
DM 2025-02-27 2025-02-25 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +6,903 5,248 New $0
DM 2025-02-20 2025-02-18 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +2,141 4,754 +82% $0
DM 2025-02-20 2025-02-18 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $33.47 -1,261 3,250 -28% -$42.2K
D 2024-11-19 2024-11-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off A - Grant $15.64 +619 2,988 +26% +$9,681
DM 2024-11-19 2024-11-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $27.34 -1,145 2,073 -36% -$31.3K
DM 2024-11-19 2024-11-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +2,140 2,877 +290% $0
DM 2024-08-19 2024-08-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +2,140 578 New $0
DM 2024-08-19 2024-08-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $43.82 -766 104 -88% -$33.6K
I 2024-06-12 2024-06-10 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off J - Other $0.00 +11.7K 11.7K New $0
2024-06-12 2024-06-10 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off J - Other $0.00 -11.7K 0 -100% $0
D 2024-05-28 2024-05-28 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +373 11.9K +3% $0
D 2024-05-28 2024-05-28 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $51.73 -134 11.7K -1% -$6,932
DM 2024-05-17 2024-05-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $47.37 -2,374 7,340 -24% -$112.5K
DM 2024-05-17 2024-05-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +6,648 7,398 +886% $0
D 2024-05-17 2024-05-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off A - Grant $15.64 +813 7,236 +13% +$12.7K
D 2024-02-29 2024-02-27 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +372 6,553 +6% $0
D 2024-02-29 2024-02-27 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $27.34 -130 6,423 -2% -$3,554
DM 2024-02-20 2024-02-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $24.29 -262 5,901 -4% -$6,364
DM 2024-02-20 2024-02-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +638 6,376 +11% $0
D 2023-11-29 2023-11-27 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $19.47 -129 5,805 -2% -$2,512
D 2023-11-29 2023-11-27 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +373 5,934 +7% $0
DM 2023-11-17 2023-11-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +636 5,308 +14% $0
DM 2023-11-17 2023-11-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $18.20 -221 5,251 -4% -$4,022
D 2023-11-17 2023-11-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off A - Grant $15.47 +565 5,146 +12% +$8,741
D 2023-08-30 2023-08-28 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $27.06 -129 4,581 -3% -$3,491
D 2023-08-30 2023-08-28 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +372 4,710 +9% $0
DM 2023-08-17 2023-08-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $28.88 -221 4,028 -5% -$6,382
DM 2023-08-17 2023-08-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +636 4,502 +16% $0
D 2023-05-30 2023-05-30 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +373 4,052 +10% $0
D 2023-05-30 2023-05-30 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $26.57 -129 3,923 -3% -$3,428
DM 2023-05-17 2023-05-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $32.13 -713 3,679 -16% -$22.9K
DM 2023-05-17 2023-05-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +2,060 2,495 +474% $0
D 2023-03-01 2023-02-27 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $35.87 -153 2,332 -6% -$5,488
D 2023-03-01 2023-02-27 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +373 2,485 +18% $0
D 2023-02-17 2023-02-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $43.11 -67 2,112 -3% -$2,888
D 2023-02-17 2023-02-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +162 2,179 +8% $0
D 2022-11-30 2022-11-28 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $39.54 -129 2,017 -6% -$5,101
D 2022-11-30 2022-11-28 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +372 2,146 +21% $0
D 2022-11-17 2022-11-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $42.27 -57 1,774 -3% -$2,409
D 2022-11-17 2022-11-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +163 1,831 +10% $0
D 2022-08-31 2022-08-29 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $46.68 -129 1,668 -7% -$6,022
D 2022-08-31 2022-08-29 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +373 1,797 +26% $0
D 2022-08-17 2022-08-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $55.25 -57 1,424 -4% -$3,149
D 2022-08-17 2022-08-15 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +162 1,481 +12% $0
D 2022-06-01 2022-05-27 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $70.81 -129 1,319 -9% -$9,134
D 2022-06-01 2022-05-27 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +373 1,448 +35% $0
D 2022-05-18 2022-05-16 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +650 1,300 +100% $0
D 2022-05-18 2022-05-16 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $73.85 -225 1,075 -17% -$16.6K
D 2022-03-02 2022-02-28 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +372 803 +86% $0
D 2022-03-02 2022-02-28 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $112.43 -153 650 -19% -$17.2K
DM 2021-12-29 2021-12-27 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $87.63 +1,084 1,515 +252% +$95.0K
DM 2021-12-29 2021-12-27 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off S - Sale+OE $151.36 -1,084 431 -72% -$164.1K
DM 2021-12-09 2021-12-07 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $87.64 +1,083 1,228 +747% +$94.9K
D 2021-12-09 2021-12-07 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off S - Sale+OE $140.00 -1,083 431 -72% -$151.6K
D 2021-12-01 2021-11-29 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $129.66 -185 431 -30% -$24.0K
D 2021-12-01 2021-11-29 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +373 616 +153% $0
DM 2021-11-05 2021-11-03 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $87.85 +20.8K 17.2K New +$1.83M
D 2021-11-05 2021-11-03 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off S - Sale+OE $140.02 -21.8K 243 -99% -$3.05M
D 2021-08-31 2021-08-27 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off F - Tax $110.31 -129 1,218 -10% -$14.2K
D 2021-08-31 2021-08-27 TNDM TANDEM DIABETES CARE INC Gasser Elizabeth Anne EVP, Chief Strategy Off M - OptEx $0.00 +372 1,347 +38% $0

Purchase Sale Sale after option exercise All abbreviations