AMBAC FINL GROUP INC

Ticker: OSG CUSIP: 023139884 Class: Common Stock

WELLS FARGO & COMPANY/MN's Holding History (CIK: 0000072971)

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

Q4 2025

Shares 85,734 Value ($000) $667 Avg Close $8.55 Range $7.63 - $10.38

Q3 2025

Shares 73,857 Value ($000) $616 Avg Close $8.45 Range $6.86 - $10.05

Q2 2025

Shares 71,808 Value ($000) $510 Avg Close $7.45 Range $5.99 - $8.69

Q1 2025

Shares 71,321 Value ($000) $624 Avg Close $10.53 Range $7.92 - $12.84

Q4 2024

Shares 71,421 Value ($000) $903 Avg Close $12.05 Range $10.83 - $13.64

Q3 2024

Shares 98,523 Value ($000) $1,104 Avg Close $11.69 Range $10.12 - $13.32

Q2 2024

Shares 97,466 Value ($000) $1,250 Avg Close $15.25 Range $11.80 - $18.45

Q1 2024

Shares 131,313 Value ($000) $2,052 Avg Close $15.77 Range $14.53 - $17.80

Q4 2023

Shares 127,786 Value ($000) $2,106 Avg Close $13.90 Range $11.26 - $16.60

Q3 2023

Shares 159,959 Value ($000) $1,929 Avg Close $13.44 Range $11.99 - $14.64

Q2 2023

Shares 179,753 Value ($000) $2,560 Avg Close $14.63 Range $13.18 - $16.10

Q1 2023

Shares 171,549 Value ($000) $2,656 Avg Close $16.18 Range $14.17 - $17.75

Q4 2022

Shares 179,608 Value ($000) $3,132 Avg Close $14.86 Range $12.55 - $17.59

Q3 2022

Shares 178,263 Value ($000) $2,272 Avg Close $13.32 Range $11.15 - $15.59

Q2 2022

Shares 176,564 Value ($000) $2,004 Avg Close $9.49 Range $7.24 - $11.85

Q1 2022

Shares 135,873 Value ($000) $1,413 Avg Close $13.55 Range $8.14 - $16.64

Q4 2021

Shares 156,412 Value ($000) $2,510 Avg Close $15.71 Range $14.07 - $17.86

Q3 2021

Shares 134,441 Value ($000) $1,926 Avg Close $14.28 Range $13.09 - $15.94

Q2 2021

Shares 133,925 Value ($000) $2,098 Avg Close $16.07 Range $13.94 - $17.82

Q1 2021

Shares 147,653 Value ($000) $2,472 Avg Close $16.34 Range $14.13 - $18.63

Q4 2020

Shares 186,440 Value ($000) $2,868 Avg Close $14.74 Range $11.92 - $18.19

Q3 2020

Shares 192,786 Value ($000) $2,461 Avg Close $12.88 Range $11.14 - $14.75

Q2 2020

Shares 199,712 Value ($000) $2,861 Avg Close $14.62 Range $10.58 - $17.64

Q1 2020

Shares 200,702 Value ($000) $2,477 Avg Close $19.17 Range $8.74 - $22.90

Q4 2019

Shares 177,934 Value ($000) $3,838 Avg Close $20.51 Range $19.05 - $21.95

Q3 2019

Shares 182,280 Value ($000) $3,563 Avg Close $18.37 Range $16.69 - $20.74

Q2 2019

Shares 174,022 Value ($000) $2,932 Avg Close $17.07 Range $14.44 - $19.28

Q1 2019

Shares 173,257 Value ($000) $3,140 Avg Close $19.10 Range $17.01 - $21.01

Q4 2018

Shares 157,672 Value ($000) $2,718 Avg Close $18.36 Range $15.02 - $21.38

Q3 2018

Shares 91,985 Value ($000) $1,879 Avg Close $20.88 Range $19.30 - $23.34

Q2 2018

Shares 86,559 Value ($000) $1,717 Avg Close $18.46 Range $15.17 - $21.11

Q1 2018

Shares 91,880 Value ($000) $1,441 Avg Close $15.46 Range $13.96 - $17.09

Q4 2017

Shares 87,005 Value ($000) $1,390 Avg Close $15.38 Range $13.17 - $17.79

Q3 2017

Shares 85,388 Value ($000) $1,473 Avg Close $18.46 Range $16.75 - $22.02

Q2 2017

Shares 65,593 Value ($000) $1,138 Avg Close $17.77 Range $15.67 - $20.28

Q1 2017

Shares 101,556 Value ($000) $1,916 Avg Close $21.04 Range $17.39 - $23.55

Q4 2016

Shares 55,484 Value ($000) $1,248 Avg Close $21.85 Range $17.75 - $27.25

Q3 2016

Shares 240,559 Value ($000) $4,424 Avg Close $17.94 Range $15.42 - $19.35

Q2 2016

Shares 311,257 Value ($000) $5,123 Avg Close $16.04 Range $14.42 - $17.77

Q1 2016

Shares 357,925 Value ($000) $5,656 Avg Close $14.47 Range $11.92 - $17.32

Q4 2015

Shares 357,769 Value ($000) $5,041 Avg Close $15.37 Range $12.72 - $17.39

Q3 2015

Shares 46,083 Value ($000) $667 Avg Close $16.22 Range $14.22 - $19.17

Q2 2015

Shares 36,707 Value ($000) $610 Avg Close $23.61 Range $16.44 - $25.91

Q1 2015

Shares 24,100 Value ($000) $583 Avg Close $25.43 Range $23.99 - $27.53

Q4 2014

Shares 11,710 Value ($000) $286 Avg Close $23.29 Range $18.60 - $26.74

Q3 2014

Shares 162,794 Value ($000) $3,598 Avg Close $23.53 Range $21.86 - $27.54

Q2 2014

Shares 22,914 Value ($000) $625 Avg Close $29.00 Range $26.37 - $32.20

Q1 2014

Shares 12,376 Value ($000) $384 Avg Close $27.62 Range $22.00 - $35.61

Q4 2013

Shares 10,363 Value ($000) $255 Avg Close $20.94 Range $15.03 - $25.16

Q3 2013

Shares 17,470 Value ($000) $316 Avg Close $22.78 Range $17.64 - $25.70

Q2 2013

Shares 15,107 Value ($000) $360 Avg Close $24.24 Range $18.00 - $27.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	85,734	$667	$8.55	$7.63 - $10.38
Q3 2025	73,857	$616	$8.45	$6.86 - $10.05
Q2 2025	71,808	$510	$7.45	$5.99 - $8.69
Q1 2025	71,321	$624	$10.53	$7.92 - $12.84
Q4 2024	71,421	$903	$12.05	$10.83 - $13.64
Q3 2024	98,523	$1,104	$11.69	$10.12 - $13.32
Q2 2024	97,466	$1,250	$15.25	$11.80 - $18.45
Q1 2024	131,313	$2,052	$15.77	$14.53 - $17.80
Q4 2023	127,786	$2,106	$13.90	$11.26 - $16.60
Q3 2023	159,959	$1,929	$13.44	$11.99 - $14.64
Q2 2023	179,753	$2,560	$14.63	$13.18 - $16.10
Q1 2023	171,549	$2,656	$16.18	$14.17 - $17.75
Q4 2022	179,608	$3,132	$14.86	$12.55 - $17.59
Q3 2022	178,263	$2,272	$13.32	$11.15 - $15.59
Q2 2022	176,564	$2,004	$9.49	$7.24 - $11.85
Q1 2022	135,873	$1,413	$13.55	$8.14 - $16.64
Q4 2021	156,412	$2,510	$15.71	$14.07 - $17.86
Q3 2021	134,441	$1,926	$14.28	$13.09 - $15.94
Q2 2021	133,925	$2,098	$16.07	$13.94 - $17.82
Q1 2021	147,653	$2,472	$16.34	$14.13 - $18.63
Q4 2020	186,440	$2,868	$14.74	$11.92 - $18.19
Q3 2020	192,786	$2,461	$12.88	$11.14 - $14.75
Q2 2020	199,712	$2,861	$14.62	$10.58 - $17.64
Q1 2020	200,702	$2,477	$19.17	$8.74 - $22.90
Q4 2019	177,934	$3,838	$20.51	$19.05 - $21.95
Q3 2019	182,280	$3,563	$18.37	$16.69 - $20.74
Q2 2019	174,022	$2,932	$17.07	$14.44 - $19.28
Q1 2019	173,257	$3,140	$19.10	$17.01 - $21.01
Q4 2018	157,672	$2,718	$18.36	$15.02 - $21.38
Q3 2018	91,985	$1,879	$20.88	$19.30 - $23.34
Q2 2018	86,559	$1,717	$18.46	$15.17 - $21.11
Q1 2018	91,880	$1,441	$15.46	$13.96 - $17.09
Q4 2017	87,005	$1,390	$15.38	$13.17 - $17.79
Q3 2017	85,388	$1,473	$18.46	$16.75 - $22.02
Q2 2017	65,593	$1,138	$17.77	$15.67 - $20.28
Q1 2017	101,556	$1,916	$21.04	$17.39 - $23.55
Q4 2016	55,484	$1,248	$21.85	$17.75 - $27.25
Q3 2016	240,559	$4,424	$17.94	$15.42 - $19.35
Q2 2016	311,257	$5,123	$16.04	$14.42 - $17.77
Q1 2016	357,925	$5,656	$14.47	$11.92 - $17.32
Q4 2015	357,769	$5,041	$15.37	$12.72 - $17.39
Q3 2015	46,083	$667	$16.22	$14.22 - $19.17
Q2 2015	36,707	$610	$23.61	$16.44 - $25.91
Q1 2015	24,100	$583	$25.43	$23.99 - $27.53
Q4 2014	11,710	$286	$23.29	$18.60 - $26.74
Q3 2014	162,794	$3,598	$23.53	$21.86 - $27.54
Q2 2014	22,914	$625	$29.00	$26.37 - $32.20
Q1 2014	12,376	$384	$27.62	$22.00 - $35.61
Q4 2013	10,363	$255	$20.94	$15.03 - $25.16
Q3 2013	17,470	$316	$22.78	$17.64 - $25.70
Q2 2013	15,107	$360	$24.24	$18.00 - $27.25