InsiderTrades

Vosseller Leigh

SEC CIK 1726322 · EDGAR

Buying vs selling by month open-market trades, last 60 months, TNDM
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
TNDMTANDEM DIABETES CARE INCEVP, CFO 53.0K $530.2K $6.51M 802021-08-272026-08-15

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 80

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DM 2026-08-18 16:28 2026-08-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +4,120 53.0K +8% $0
DM 2026-08-18 16:28 2026-08-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $22.72 -1,479 52.0K -3% -$33.6K
DM 2026-05-19 16:03 2026-05-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +13.5K 51.8K +35% $0
DM 2026-05-19 16:03 2026-05-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $12.82 -4,843 48.1K -9% -$62.1K
D 2026-05-19 16:03 2026-05-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO A - Grant $10.90 +1,336 49.4K +3% +$14.6K
DM 2026-02-19 2026-02-17 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $18.95 -1,235 38.5K -3% -$23.4K
DM 2026-02-19 2026-02-17 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +2,998 39.2K +8% $0
DM 2025-11-19 2025-11-17 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +2,999 37.2K +9% $0
DM 2025-11-19 2025-11-17 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $18.61 -1,074 36.7K -3% -$20.0K
DM 2025-08-19 2025-08-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +2,998 35.3K +9% $0
DM 2025-08-19 2025-08-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $10.82 -1,073 35.7K -3% -$11.6K
I 2025-08-11 2025-08-08 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO P - Purchase $10.89 +13.7K 25.6K +116% +$149.4K
DM 2025-05-19 2025-05-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $22.70 -2,907 28.7K -9% -$66.0K
DM 2025-05-19 2025-05-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +8,121 28.7K +39% $0
D 2025-05-19 2025-05-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO A - Grant $15.64 +1,359 28.6K +5% +$21.3K
DM 2025-02-27 2025-02-25 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $33.34 -2,521 27.2K -8% -$84.1K
DM 2025-02-27 2025-02-25 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +6,903 29.3K +31% $0
DM 2025-02-20 2025-02-18 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +2,141 23.5K +10% $0
DM 2025-02-20 2025-02-18 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $33.47 -880 22.8K -4% -$29.5K
DM 2024-11-19 2024-11-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $27.34 -765 20.3K -4% -$20.9K
DM 2024-11-19 2024-11-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +2,140 20.8K +11% $0
DM 2024-08-19 2024-08-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $43.82 -766 18.9K -4% -$33.6K
DM 2024-08-19 2024-08-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +2,140 19.0K +13% $0
D 2024-05-28 2024-05-28 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $51.73 -145 18.8K -0.8% -$7,501
D 2024-05-28 2024-05-28 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +406 19.0K +2% $0
DM 2024-05-17 2024-05-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +6,648 14.9K +81% $0
D 2024-05-17 2024-05-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO A - Grant $15.64 +1,358 14.3K +10% +$21.2K
DM 2024-05-17 2024-05-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $47.37 -2,374 14.4K -14% -$112.5K
D 2024-02-29 2024-02-27 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +407 13.1K +3% $0
D 2024-02-29 2024-02-27 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $27.34 -142 12.9K -1% -$3,882
DM 2024-02-20 2024-02-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $24.29 -262 12.4K -2% -$6,364
DM 2024-02-20 2024-02-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +638 12.5K +5% $0
D 2023-11-29 2023-11-27 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +406 12.4K +3% $0
D 2023-11-29 2023-11-27 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $19.47 -141 12.3K -1% -$2,745
DM 2023-11-17 2023-11-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $18.20 -221 11.7K -2% -$4,022
D 2023-11-17 2023-11-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO A - Grant $15.47 +1 11.6K +0.0% +$15.47
DM 2023-11-17 2023-11-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +636 11.8K +6% $0
I 2023-11-13 2023-11-08 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO P - Purchase $15.39 +6,200 11.9K +110% +$95.4K
D 2023-08-30 2023-08-28 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +407 11.8K +4% $0
D 2023-08-30 2023-08-28 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $27.06 -141 11.6K -1% -$3,815
DM 2023-08-17 2023-08-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $28.88 -221 11.4K -2% -$6,382
DM 2023-08-17 2023-08-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +636 11.1K +6% $0
D 2023-05-30 2023-05-30 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $26.57 -141 10.9K -1% -$3,746
D 2023-05-30 2023-05-30 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +406 11.1K +4% $0
DM 2023-05-17 2023-05-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $32.13 -713 9,431 -7% -$22.9K
DM 2023-05-17 2023-05-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +2,060 11.3K +22% $0
D 2023-05-17 2023-05-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO A - Grant $27.32 +633 9,325 +7% +$17.3K
I 2023-05-16 2023-05-12 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO P - Purchase $32.77 +3,015 5,660 +114% +$98.8K
D 2023-03-01 2023-02-27 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $35.87 -166 8,692 -2% -$5,954
D 2023-03-01 2023-02-27 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +407 8,858 +5% $0
D 2023-02-17 2023-02-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +162 8,518 +2% $0
D 2023-02-17 2023-02-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $43.11 -67 8,451 -0.8% -$2,888
D 2022-11-30 2022-11-28 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +406 8,497 +5% $0
D 2022-11-30 2022-11-28 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $39.54 -141 8,356 -2% -$5,575
D 2022-11-17 2022-11-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +163 8,148 +2% $0
D 2022-11-17 2022-11-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $42.27 -57 8,091 -0.7% -$2,409
D 2022-08-31 2022-08-29 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $46.68 -141 7,985 -2% -$6,582
D 2022-08-31 2022-08-29 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +407 8,126 +5% $0
D 2022-08-17 2022-08-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +162 7,776 +2% $0
D 2022-08-17 2022-08-15 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $55.25 -57 7,719 -0.7% -$3,149
D 2022-06-01 2022-05-27 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $70.81 -141 7,614 -2% -$9,984
D 2022-06-01 2022-05-27 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +406 7,755 +6% $0
D 2022-05-18 2022-05-16 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +650 7,268 +10% $0
D 2022-05-18 2022-05-16 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $73.85 -225 7,043 -3% -$16.6K
D 2022-05-18 2022-05-16 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO A - Grant $61.17 +306 7,349 +4% +$18.7K
M 2022-05-10 2022-05-06+ TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO P - Purchase $74.61 +2,500 7,618 +49% +$186.5K
D 2022-03-02 2022-02-28 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +407 6,756 +6% $0
D 2022-03-02 2022-02-28 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $112.43 -138 6,618 -2% -$15.5K
D 2021-12-01 2021-11-29 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $129.66 -202 6,349 -3% -$26.2K
D 2021-12-01 2021-11-29 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +406 6,551 +7% $0
D 2021-11-05 2021-11-03 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO S - Sale+OE $140.05 -10.0K 6,145 -62% -$1.40M
D 2021-11-05 2021-11-03 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $18.86 +10.0K 16.1K +163% +$188.6K
DM 2021-10-14 2021-10-12+ TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $18.86 +20.0K 16.1K New +$377.2K
DM 2021-10-14 2021-10-12+ TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO S - Sale+OE $132.54 -20.0K 6,145 -76% -$2.65M
DM 2021-09-17 2021-09-15+ TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $18.86 +10.0K 12.6K +378% +$188.6K
DM 2021-09-17 2021-09-15+ TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO S - Sale+OE $125.00 -10.0K 6,145 -62% -$1.25M
D 2021-09-15 2021-09-13 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $18.86 +10.0K 16.1K +163% +$188.6K
DM 2021-09-15 2021-09-13 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO S - Sale+OE $120.75 -10.0K 9,445 -51% -$1.21M
D 2021-08-31 2021-08-27 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO F - Tax $110.31 -141 6,145 -2% -$15.6K
D 2021-08-31 2021-08-27 TNDM TANDEM DIABETES CARE INC Vosseller Leigh EVP, CFO M - OptEx $0.00 +407 6,286 +7% $0

Purchase Sale Sale after option exercise All abbreviations