TANDEM DIABETES CARE INC

Ticker: TNDM CUSIP: 875372203 Class: EQTY

ALGERT GLOBAL LLC's Holding History (CIK: 0001275218)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 108,939 Value ($000) $2 Avg Close $18.05 Range $12.07 - $24.50

Q3 2025

Shares 226,886 Value ($000) $3 Avg Close $13.54 Range $9.98 - $18.13

Q2 2025

Shares 530,914 Value ($000) $10 Avg Close $19.81 Range $15.75 - $24.00

Q1 2025

Shares 209,320 Value ($000) $4 Avg Close $29.26 Range $17.64 - $38.28

Q4 2024

Shares 89,536 Value ($000) $3 Avg Close $33.83 Range $27.15 - $42.70

Q3 2024

Shares 37,113 Value ($000) $2 Avg Close $42.40 Range $34.60 - $48.24

Q2 2024

Shares 45,263 Value ($000) $2 Avg Close $41.72 Range $30.12 - $53.69

Q1 2024

Shares 39,113 Value ($000) $1 Avg Close $26.79 Range $21.85 - $36.09

Q4 2023

Shares 11,143 Value ($000) $0 Avg Close $20.75 Range $13.82 - $31.45

Q3 2023

Shares 42,643 Value ($000) $1 Avg Close $27.46 Range $19.11 - $36.82

Q2 2023

Shares 33,373 Value ($000) $1 Avg Close $32.17 Range $23.60 - $43.52

Q1 2023

Shares 92,626 Value ($000) $4 Avg Close $41.40 Range $35.27 - $47.17

Q4 2022

Shares 65,246 Value ($000) $3 Avg Close $45.27 Range $33.52 - $58.82

Q3 2022

Shares 61,181 Value ($000) $2,928 Avg Close $54.82 Range $42.90 - $70.81

Q2 2022

Shares 58,992 Value ($000) $3,492 Avg Close $82.09 Range $52.69 - $123.96

Q1 2022

Shares 47,731 Value ($000) $5,551 Avg Close $116.75 Range $100.00 - $150.64

Q4 2021

Shares 34,319 Value ($000) $5,166 Avg Close $134.98 Range $116.21 - $155.86

Q3 2021

Shares 36,418 Value ($000) $4,348 Avg Close $110.18 Range $92.17 - $130.73

Q2 2021

Shares 34,080 Value ($000) $3,319 Avg Close $89.17 Range $76.19 - $100.80

Q1 2021

Shares 14,214 Value ($000) $1,254 Avg Close $92.94 Range $77.77 - $105.00

Q4 2020

Shares 17,183 Value ($000) $1,644 Avg Close $103.06 Range $84.56 - $123.74

Q3 2020

Shares 17,203 Value ($000) $1,953 Avg Close $105.07 Range $91.93 - $116.89

Q2 2020

Shares 16,363 Value ($000) $1,619 Avg Close $79.79 Range $59.24 - $99.33

Q1 2020

Shares 4,523 Value ($000) $291 Avg Close $70.07 Range $43.69 - $91.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	108,939	$2	$18.05	$12.07 - $24.50
Q3 2025	226,886	$3	$13.54	$9.98 - $18.13
Q2 2025	530,914	$10	$19.81	$15.75 - $24.00
Q1 2025	209,320	$4	$29.26	$17.64 - $38.28
Q4 2024	89,536	$3	$33.83	$27.15 - $42.70
Q3 2024	37,113	$2	$42.40	$34.60 - $48.24
Q2 2024	45,263	$2	$41.72	$30.12 - $53.69
Q1 2024	39,113	$1	$26.79	$21.85 - $36.09
Q4 2023	11,143	$0	$20.75	$13.82 - $31.45
Q3 2023	42,643	$1	$27.46	$19.11 - $36.82
Q2 2023	33,373	$1	$32.17	$23.60 - $43.52
Q1 2023	92,626	$4	$41.40	$35.27 - $47.17
Q4 2022	65,246	$3	$45.27	$33.52 - $58.82
Q3 2022	61,181	$2,928	$54.82	$42.90 - $70.81
Q2 2022	58,992	$3,492	$82.09	$52.69 - $123.96
Q1 2022	47,731	$5,551	$116.75	$100.00 - $150.64
Q4 2021	34,319	$5,166	$134.98	$116.21 - $155.86
Q3 2021	36,418	$4,348	$110.18	$92.17 - $130.73
Q2 2021	34,080	$3,319	$89.17	$76.19 - $100.80
Q1 2021	14,214	$1,254	$92.94	$77.77 - $105.00
Q4 2020	17,183	$1,644	$103.06	$84.56 - $123.74
Q3 2020	17,203	$1,953	$105.07	$91.93 - $116.89
Q2 2020	16,363	$1,619	$79.79	$59.24 - $99.33
Q1 2020	4,523	$291	$70.07	$43.69 - $91.65