AMBAC FINL GROUP INC

Ticker: OSG CUSIP: 023139884 Class: Common Stock

Bank of New York Mellon Corp's Holding History (CIK: 0001390777)

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

Q4 2025

Shares 138,173 Value ($000) $1,075 Avg Close $8.55 Range $7.63 - $10.38

Q3 2025

Shares 138,687 Value ($000) $1,157 Avg Close $8.45 Range $6.86 - $10.05

Q2 2025

Shares 141,935 Value ($000) $1,008 Avg Close $7.45 Range $5.99 - $8.69

Q1 2025

Shares 144,073 Value ($000) $1,261 Avg Close $10.53 Range $7.92 - $12.84

Q4 2024

Shares 296,219 Value ($000) $3,747 Avg Close $12.05 Range $10.83 - $13.64

Q3 2024

Shares 378,778 Value ($000) $4,246 Avg Close $11.69 Range $10.12 - $13.32

Q2 2024

Shares 422,081 Value ($000) $5,411 Avg Close $15.25 Range $11.80 - $18.45

Q1 2024

Shares 422,014 Value ($000) $6,596 Avg Close $15.77 Range $14.53 - $17.80

Q4 2023

Shares 470,976 Value ($000) $7,762 Avg Close $13.90 Range $11.26 - $16.60

Q3 2023

Shares 469,674 Value ($000) $5,664 Avg Close $13.44 Range $11.99 - $14.64

Q2 2023

Shares 476,086 Value ($000) $6,779 Avg Close $14.63 Range $13.18 - $16.10

Q1 2023

Shares 453,231 Value ($000) $7,016 Avg Close $16.18 Range $14.17 - $17.75

Q4 2022

Shares 475,286 Value ($000) $8,289 Avg Close $14.86 Range $12.55 - $17.59

Q3 2022

Shares 405,245 Value ($000) $5,167 Avg Close $13.32 Range $11.15 - $15.59

Q2 2022

Shares 400,530 Value ($000) $4,546 Avg Close $9.49 Range $7.24 - $11.85

Q1 2022

Shares 438,725 Value ($000) $4,562 Avg Close $13.55 Range $8.14 - $16.64

Q4 2021

Shares 447,341 Value ($000) $7,179 Avg Close $15.71 Range $14.07 - $17.86

Q3 2021

Shares 437,691 Value ($000) $6,267 Avg Close $14.28 Range $13.09 - $15.94

Q2 2021

Shares 427,690 Value ($000) $6,697 Avg Close $16.07 Range $13.94 - $17.82

Q1 2021

Shares 461,696 Value ($000) $7,729 Avg Close $16.34 Range $14.13 - $18.63

Q4 2020

Shares 463,946 Value ($000) $7,136 Avg Close $14.74 Range $11.92 - $18.19

Q3 2020

Shares 475,899 Value ($000) $6,077 Avg Close $12.88 Range $11.14 - $14.75

Q2 2020

Shares 504,241 Value ($000) $7,221 Avg Close $14.62 Range $10.58 - $17.64

Q1 2020

Shares 512,531 Value ($000) $6,324 Avg Close $19.17 Range $8.74 - $22.90

Q4 2019

Shares 541,630 Value ($000) $11,683 Avg Close $20.51 Range $19.05 - $21.95

Q3 2019

Shares 694,178 Value ($000) $13,571 Avg Close $18.37 Range $16.69 - $20.74

Q2 2019

Shares 693,699 Value ($000) $11,688 Avg Close $17.07 Range $14.44 - $19.28

Q1 2019

Shares 644,381 Value ($000) $11,676 Avg Close $19.10 Range $17.01 - $21.01

Q4 2018

Shares 645,588 Value ($000) $11,130 Avg Close $18.36 Range $15.02 - $21.38

Q3 2018

Shares 526,932 Value ($000) $10,759 Avg Close $20.88 Range $19.30 - $23.34

Q2 2018

Shares 512,595 Value ($000) $10,175 Avg Close $18.46 Range $15.17 - $21.11

Q1 2018

Shares 212,856 Value ($000) $3,337 Avg Close $15.46 Range $13.96 - $17.09

Q4 2017

Shares 206,409 Value ($000) $3,298 Avg Close $15.38 Range $13.17 - $17.79

Q3 2017

Shares 213,258 Value ($000) $3,680 Avg Close $18.46 Range $16.75 - $22.02

Q2 2017

Shares 219,229 Value ($000) $3,803 Avg Close $17.77 Range $15.67 - $20.28

Q1 2017

Shares 216,408 Value ($000) $4,081 Avg Close $21.04 Range $17.39 - $23.55

Q4 2016

Shares 204,082 Value ($000) $4,591 Avg Close $21.85 Range $17.75 - $27.25

Q3 2016

Shares 192,118 Value ($000) $3,533 Avg Close $17.94 Range $15.42 - $19.35

Q2 2016

Shares 196,365 Value ($000) $3,232 Avg Close $16.04 Range $14.42 - $17.77

Q1 2016

Shares 164,512 Value ($000) $2,599 Avg Close $14.47 Range $11.92 - $17.32

Q4 2015

Shares 184,651 Value ($000) $2,602 Avg Close $15.37 Range $12.72 - $17.39

Q3 2015

Shares 224,367 Value ($000) $3,247 Avg Close $16.22 Range $14.22 - $19.17

Q2 2015

Shares 250,550 Value ($000) $4,169 Avg Close $23.61 Range $16.44 - $25.91

Q1 2015

Shares 244,528 Value ($000) $5,917 Avg Close $25.43 Range $23.99 - $27.53

Q4 2014

Shares 234,962 Value ($000) $5,757 Avg Close $23.29 Range $18.60 - $26.74

Q3 2014

Shares 207,786 Value ($000) $4,592 Avg Close $23.53 Range $21.86 - $27.54

Q2 2014

Shares 207,014 Value ($000) $5,654 Avg Close $29.00 Range $26.37 - $32.20

Q1 2014

Shares 217,504 Value ($000) $6,749 Avg Close $27.62 Range $22.00 - $35.61

Q4 2013

Shares 219,511 Value ($000) $5,391 Avg Close $20.94 Range $15.03 - $25.16

Q3 2013

Shares 205,941 Value ($000) $3,735 Avg Close $22.78 Range $17.64 - $25.70

Q2 2013

Shares 190,847 Value ($000) $4,548 Avg Close $24.24 Range $18.00 - $27.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	138,173	$1,075	$8.55	$7.63 - $10.38
Q3 2025	138,687	$1,157	$8.45	$6.86 - $10.05
Q2 2025	141,935	$1,008	$7.45	$5.99 - $8.69
Q1 2025	144,073	$1,261	$10.53	$7.92 - $12.84
Q4 2024	296,219	$3,747	$12.05	$10.83 - $13.64
Q3 2024	378,778	$4,246	$11.69	$10.12 - $13.32
Q2 2024	422,081	$5,411	$15.25	$11.80 - $18.45
Q1 2024	422,014	$6,596	$15.77	$14.53 - $17.80
Q4 2023	470,976	$7,762	$13.90	$11.26 - $16.60
Q3 2023	469,674	$5,664	$13.44	$11.99 - $14.64
Q2 2023	476,086	$6,779	$14.63	$13.18 - $16.10
Q1 2023	453,231	$7,016	$16.18	$14.17 - $17.75
Q4 2022	475,286	$8,289	$14.86	$12.55 - $17.59
Q3 2022	405,245	$5,167	$13.32	$11.15 - $15.59
Q2 2022	400,530	$4,546	$9.49	$7.24 - $11.85
Q1 2022	438,725	$4,562	$13.55	$8.14 - $16.64
Q4 2021	447,341	$7,179	$15.71	$14.07 - $17.86
Q3 2021	437,691	$6,267	$14.28	$13.09 - $15.94
Q2 2021	427,690	$6,697	$16.07	$13.94 - $17.82
Q1 2021	461,696	$7,729	$16.34	$14.13 - $18.63
Q4 2020	463,946	$7,136	$14.74	$11.92 - $18.19
Q3 2020	475,899	$6,077	$12.88	$11.14 - $14.75
Q2 2020	504,241	$7,221	$14.62	$10.58 - $17.64
Q1 2020	512,531	$6,324	$19.17	$8.74 - $22.90
Q4 2019	541,630	$11,683	$20.51	$19.05 - $21.95
Q3 2019	694,178	$13,571	$18.37	$16.69 - $20.74
Q2 2019	693,699	$11,688	$17.07	$14.44 - $19.28
Q1 2019	644,381	$11,676	$19.10	$17.01 - $21.01
Q4 2018	645,588	$11,130	$18.36	$15.02 - $21.38
Q3 2018	526,932	$10,759	$20.88	$19.30 - $23.34
Q2 2018	512,595	$10,175	$18.46	$15.17 - $21.11
Q1 2018	212,856	$3,337	$15.46	$13.96 - $17.09
Q4 2017	206,409	$3,298	$15.38	$13.17 - $17.79
Q3 2017	213,258	$3,680	$18.46	$16.75 - $22.02
Q2 2017	219,229	$3,803	$17.77	$15.67 - $20.28
Q1 2017	216,408	$4,081	$21.04	$17.39 - $23.55
Q4 2016	204,082	$4,591	$21.85	$17.75 - $27.25
Q3 2016	192,118	$3,533	$17.94	$15.42 - $19.35
Q2 2016	196,365	$3,232	$16.04	$14.42 - $17.77
Q1 2016	164,512	$2,599	$14.47	$11.92 - $17.32
Q4 2015	184,651	$2,602	$15.37	$12.72 - $17.39
Q3 2015	224,367	$3,247	$16.22	$14.22 - $19.17
Q2 2015	250,550	$4,169	$23.61	$16.44 - $25.91
Q1 2015	244,528	$5,917	$25.43	$23.99 - $27.53
Q4 2014	234,962	$5,757	$23.29	$18.60 - $26.74
Q3 2014	207,786	$4,592	$23.53	$21.86 - $27.54
Q2 2014	207,014	$5,654	$29.00	$26.37 - $32.20
Q1 2014	217,504	$6,749	$27.62	$22.00 - $35.61
Q4 2013	219,511	$5,391	$20.94	$15.03 - $25.16
Q3 2013	205,941	$3,735	$22.78	$17.64 - $25.70
Q2 2013	190,847	$4,548	$24.24	$18.00 - $27.25