AMBC

Ambac Financial Group INC

Insider trading activity for Ambac Financial Group INC, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 12 months

+$91.3K

net buying

Bought(2 · 2 insiders): $91.3K
Sold(0 · 0 insiders): $0

Transaction history

The 75 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Jul 9	Smith R Sharon	Exec VP & Group COO	MEXER◆	11,779	—	—	—	Open the original filing on SEC.gov
Jul 9	Smith R Sharon	Exec VP & Group COO	FTAX	4,635	$6.08	$28.2K	-2.9%	Open the original filing on SEC.gov
Jul 9	Smith R Sharon	Exec VP & Group COO	MEXER	11,779	—	—	+7.9%	Open the original filing on SEC.gov
Jul 9	Trick David	Exec VP, CFO & Treasurer	MEXER◆	13,206	—	—	—	Open the original filing on SEC.gov
Jul 9	Trick David	Exec VP, CFO & Treasurer	FTAX	6,741	$6.08	$41K	-2.5%	Open the original filing on SEC.gov
Jul 9	Trick David	Exec VP, CFO & Treasurer	MEXER	13,206	—	—	+5.1%	Open the original filing on SEC.gov
Jul 9	LeBlanc Claude	Chief Executive Officer	MEXER◆	39,380	—	—	—	Open the original filing on SEC.gov
Jul 9	LeBlanc Claude	Chief Executive Officer	FTAX	21,777	$6.08	$132.4K	-2.0%	Open the original filing on SEC.gov
Jul 9	LeBlanc Claude	Chief Executive Officer	MEXER	39,380	—	—	+3.8%	Open the original filing on SEC.gov
Jul 1	Stein Jeffrey Scott	Director	AGRANT◆	6,500	—	—	—	Open the original filing on SEC.gov
Jul 1	Price Michael D	Director	AGRANT◆	6,500	—	—	—	Open the original filing on SEC.gov
Jul 1	Matus Kristi Ann	Director	AGRANT◆	6,500	—	—	—	Open the original filing on SEC.gov
Jul 1	Lammtennant Joan M	Director	AGRANT◆	6,500	—	—	—	Open the original filing on SEC.gov
Jul 1	Iglesias Lisa G	Director	AGRANT◆	6,500	—	—	—	Open the original filing on SEC.gov
Jul 1	Haft Ian David	Director	AGRANT◆	6,500	—	—	—	Open the original filing on SEC.gov
Apr 1	Stein Jeffrey Scott	Director	AGRANT◆	7,441	—	—	—	Open the original filing on SEC.gov
Apr 1	Price Michael D	Director	AGRANT◆	7,441	—	—	—	Open the original filing on SEC.gov
Apr 1	Matus Kristi Ann	Director	AGRANT◆	7,441	—	—	—	Open the original filing on SEC.gov
Apr 1	Lammtennant Joan M	Director	AGRANT◆	7,441	—	—	—	Open the original filing on SEC.gov
Apr 1	Iglesias Lisa G	Director	AGRANT◆	7,441	—	—	—	Open the original filing on SEC.gov
Apr 1	Haft Ian David	Director	AGRANT◆	7,441	—	—	—	Open the original filing on SEC.gov
Mar 23	Smith R Sharon	Exec VP & Group COO	AGRANT◆	24,375	—	—	—	Open the original filing on SEC.gov
Mar 23	Trick David	Exec VP, CFO & Treasurer	AGRANT◆	26,250	—	—	—	Open the original filing on SEC.gov
Mar 23	Metz Lawrence F.	*See Remarks for full…	AGRANT◆	28,246	—	—	—	Open the original filing on SEC.gov
Mar 23	LeBlanc Claude	Chief Executive Officer	AGRANT◆	99,375	—	—	—	Open the original filing on SEC.gov
Mar 23	Ahn Cristina E.	Chief Accounting Officer	AGRANT◆	8,067	—	—	—	Open the original filing on SEC.gov
Mar 10	Ahn Cristina E.	Chief Accounting Officer	MEXER◆	835	—	—	—	Open the original filing on SEC.gov
Mar 10	Ahn Cristina E.	Chief Accounting Officer	FTAX	203	$4.90	$995	-24.3%	Open the original filing on SEC.gov
Mar 10	Ahn Cristina E.	Chief Accounting Officer	MEXER	835	—	—	—	Open the original filing on SEC.gov
Mar 3	Trick David	Exec VP, CFO & Treasurer	MEXER◆	9,790	—	—	—	Open the original filing on SEC.gov
Mar 3	Trick David	Exec VP, CFO & Treasurer	MEXER◆	11,505	—	—	—	Open the original filing on SEC.gov
Mar 3	Trick David	Exec VP, CFO & Treasurer	FTAX	1,715	$5.60	$9.6K	-0.7%	Open the original filing on SEC.gov
Mar 3	Trick David	Exec VP, CFO & Treasurer	MEXER	1,715	—	—	+0.7%	Open the original filing on SEC.gov
Mar 3	Smith R Sharon	Exec VP & Group COO	MEXER◆	8,720	—	—	—	Open the original filing on SEC.gov
Mar 3	Smith R Sharon	Exec VP & Group COO	MEXER◆	10,261	—	—	—	Open the original filing on SEC.gov
Mar 3	Smith R Sharon	Exec VP & Group COO	FTAX	1,541	$5.60	$8.6K	-1.0%	Open the original filing on SEC.gov
Mar 3	Smith R Sharon	Exec VP & Group COO	MEXER	1,541	—	—	+1.0%	Open the original filing on SEC.gov
Mar 3	LeBlanc Claude	Chief Executive Officer	MEXER◆	22,582	—	—	—	Open the original filing on SEC.gov
Mar 3	LeBlanc Claude	Chief Executive Officer	MEXER◆	47,130	—	—	—	Open the original filing on SEC.gov
Mar 3	LeBlanc Claude	Chief Executive Officer	FTAX	10,694	$5.60	$59.9K	-1.0%	Open the original filing on SEC.gov
Mar 3	LeBlanc Claude	Chief Executive Officer	MEXER	24,548	—	—	+2.4%	Open the original filing on SEC.gov
Jan 2	LeBlanc Claude	Chief Executive Officer	PBUY	12,000	$7.59	$91.1K	+1.2%	Open the original filing on SEC.gov
Jan 1	Stein Jeffrey Scott	Director	AGRANT◆	4,524	—	—	—	Open the original filing on SEC.gov
Jan 1	Price Michael D	Director	AGRANT◆	4,524	—	—	—	Open the original filing on SEC.gov
Jan 1	Matus Kristi Ann	Director	AGRANT◆	4,524	—	—	—	Open the original filing on SEC.gov
Jan 1	Lammtennant Joan M	Director	AGRANT◆	4,524	—	—	—	Open the original filing on SEC.gov
Jan 1	Iglesias Lisa G	Director	AGRANT◆	4,524	—	—	—	Open the original filing on SEC.gov
Jan 1	Haft Ian David	Director	AGRANT◆	4,524	—	—	—	Open the original filing on SEC.gov
Nov 12, 2025	Smith R Sharon	Exec VP & Group COO	PBUY	20	$10.25	$205	+<0.1%	Open the original filing on SEC.gov
Oct 3, 2025	LeBlanc Claude	Chief Executive Officer	AGRANT◆↺	232,816	—	—	—	Open the original filing on SEC.gov
Oct 3, 2025	LeBlanc Claude	Chief Executive Officer	AGRANT◆↺	45,650	—	—	—	Open the original filing on SEC.gov
Oct 3, 2025	LeBlanc Claude	Chief Executive Officer	AGRANT◆↺	500,000	—	—	—	Open the original filing on SEC.gov
Oct 3, 2025	Smith R Sharon	Exec VP & Group COO	AGRANT◆↺	55,433	—	—	—	Open the original filing on SEC.gov
Oct 3, 2025	Smith R Sharon	Exec VP & Group COO	AGRANT◆↺	284,125	—	—	—	Open the original filing on SEC.gov
Oct 3, 2025	Trick David	Exec VP, CFO & Treasurer	AGRANT◆↺	66,519	—	—	—	Open the original filing on SEC.gov
Oct 3, 2025	Trick David	Exec VP, CFO & Treasurer	AGRANT◆↺	350,375	—	—	—	Open the original filing on SEC.gov
Oct 1, 2025	Stein Jeffrey Scott	Director	AGRANT◆	4,126	—	—	—	Open the original filing on SEC.gov
Oct 1, 2025	Price Michael D	Director	AGRANT◆	4,126	—	—	—	Open the original filing on SEC.gov
Oct 1, 2025	Matus Kristi Ann	Director	AGRANT◆	4,126	—	—	—	Open the original filing on SEC.gov
Oct 1, 2025	Lammtennant Joan M	Director	AGRANT◆	4,126	—	—	—	Open the original filing on SEC.gov
Oct 1, 2025	Iglesias Lisa G	Director	AGRANT◆	4,126	—	—	—	Open the original filing on SEC.gov
Oct 1, 2025	Haft Ian David	Director	AGRANT◆	4,126	—	—	—	Open the original filing on SEC.gov
Sep 30, 2025	Smith R Sharon	Exec VP & Group COO	AGRANT◆↺	76,206	—	—	—	Open the original filing on SEC.gov
Sep 30, 2025	Smith R Sharon	Exec VP & Group COO	FTAX↺	3,235	$8.34	$27K	-2.1%	Open the original filing on SEC.gov
Sep 30, 2025	Smith R Sharon	Exec VP & Group COO	MEXER↺	3,235	—	—	+2.2%	Open the original filing on SEC.gov
Sep 30, 2025	Trick David	Exec VP, CFO & Treasurer	AGRANT◆↺	46,300	—	—	—	Open the original filing on SEC.gov
Sep 30, 2025	Trick David	Exec VP, CFO & Treasurer	FTAX↺	22,796	$8.34	$190.1K	-8.0%	Open the original filing on SEC.gov
Sep 30, 2025	Trick David	Exec VP, CFO & Treasurer	MEXER↺	42,515	—	—	+17.6%	Open the original filing on SEC.gov
Sep 29, 2025	Smith R Sharon	Exec VP & Group COO	CCONV◆↺	145,135	—	—	—	Open the original filing on SEC.gov
Sep 29, 2025	Smith R Sharon	Exec VP & Group COO	FTAX↺	70,680	$9.72	$687K	-32.1%	Open the original filing on SEC.gov
Sep 29, 2025	Smith R Sharon	Exec VP & Group COO	CCONV↺	145,135	—	—	+194.3%	Open the original filing on SEC.gov
Sep 29, 2025	Trick David	Exec VP, CFO & Treasurer	CCONV◆↺	165,361	—	—	—	Open the original filing on SEC.gov
Sep 29, 2025	Trick David	Exec VP, CFO & Treasurer	FTAX↺	80,531	$9.72	$782.8K	-25.1%	Open the original filing on SEC.gov
Sep 29, 2025	Trick David	Exec VP, CFO & Treasurer	CCONV↺	165,361	—	—	+105.9%	Open the original filing on SEC.gov
Jul 9, 2025	LeBlanc Claude	Chief Executive Officer	AGRANT◆↺	118,045	—	—	—	Open the original filing on SEC.gov

MEXER◆—

Smith R Sharon · Exec VP & Group…Jul 9

11,779 sh

FTAX$28.2K

Smith R Sharon · Exec VP & Group…Jul 9

4,635 sh @ $6.08 · -2.9% own

MEXER—

Smith R Sharon · Exec VP & Group…Jul 9

11,779 sh · +7.9% own

MEXER◆—

Trick David · Exec VP, CFO &…Jul 9

13,206 sh

FTAX$41K

Trick David · Exec VP, CFO &…Jul 9

6,741 sh @ $6.08 · -2.5% own

MEXER—

Trick David · Exec VP, CFO &…Jul 9

13,206 sh · +5.1% own

MEXER◆—

LeBlanc Claude · Chief Executive…Jul 9

39,380 sh

FTAX$132.4K

LeBlanc Claude · Chief Executive…Jul 9

21,777 sh @ $6.08 · -2.0% own

MEXER—

LeBlanc Claude · Chief Executive…Jul 9

39,380 sh · +3.8% own

AGRANT◆—

Stein Jeffrey Scott · DirectorJul 1

6,500 sh

AGRANT◆—

Price Michael D · DirectorJul 1

6,500 sh

AGRANT◆—

Matus Kristi Ann · DirectorJul 1

6,500 sh

AGRANT◆—

Lammtennant Joan M · DirectorJul 1

6,500 sh

AGRANT◆—

Iglesias Lisa G · DirectorJul 1

6,500 sh

AGRANT◆—

Haft Ian David · DirectorJul 1

6,500 sh

AGRANT◆—

Stein Jeffrey Scott · DirectorApr 1

7,441 sh

AGRANT◆—

Price Michael D · DirectorApr 1

7,441 sh

AGRANT◆—

Matus Kristi Ann · DirectorApr 1

7,441 sh

AGRANT◆—

Lammtennant Joan M · DirectorApr 1

7,441 sh

AGRANT◆—

Iglesias Lisa G · DirectorApr 1

7,441 sh

AGRANT◆—

Haft Ian David · DirectorApr 1

7,441 sh

AGRANT◆—

Smith R Sharon · Exec VP & Group…Mar 23

24,375 sh

AGRANT◆—

Trick David · Exec VP, CFO &…Mar 23

26,250 sh

AGRANT◆—

Metz Lawrence F. · *See Remarks for…Mar 23

28,246 sh

AGRANT◆—

LeBlanc Claude · Chief Executive…Mar 23

99,375 sh

AGRANT◆—

Ahn Cristina E. · Chief Accounting…Mar 23

8,067 sh

MEXER◆—

Ahn Cristina E. · Chief Accounting…Mar 10

835 sh

FTAX$995

Ahn Cristina E. · Chief Accounting…Mar 10

203 sh @ $4.90 · -24.3% own

MEXER—

Ahn Cristina E. · Chief Accounting…Mar 10

835 sh

MEXER◆—

Trick David · Exec VP, CFO &…Mar 3

9,790 sh

MEXER◆—

Trick David · Exec VP, CFO &…Mar 3

11,505 sh

FTAX$9.6K

Trick David · Exec VP, CFO &…Mar 3

1,715 sh @ $5.60 · -0.7% own

MEXER—

Trick David · Exec VP, CFO &…Mar 3

1,715 sh · +0.7% own

MEXER◆—

Smith R Sharon · Exec VP & Group…Mar 3

8,720 sh

MEXER◆—

Smith R Sharon · Exec VP & Group…Mar 3

10,261 sh

FTAX$8.6K

Smith R Sharon · Exec VP & Group…Mar 3

1,541 sh @ $5.60 · -1.0% own

MEXER—

Smith R Sharon · Exec VP & Group…Mar 3

1,541 sh · +1.0% own

MEXER◆—

LeBlanc Claude · Chief Executive…Mar 3

22,582 sh

MEXER◆—

LeBlanc Claude · Chief Executive…Mar 3

47,130 sh

FTAX$59.9K

LeBlanc Claude · Chief Executive…Mar 3

10,694 sh @ $5.60 · -1.0% own

MEXER—

LeBlanc Claude · Chief Executive…Mar 3

24,548 sh · +2.4% own

PBUY$91.1K

LeBlanc Claude · Chief Executive…Jan 2

12,000 sh @ $7.59 · +1.2% own

AGRANT◆—

Stein Jeffrey Scott · DirectorJan 1

4,524 sh

AGRANT◆—

Price Michael D · DirectorJan 1

4,524 sh

AGRANT◆—

Matus Kristi Ann · DirectorJan 1

4,524 sh

AGRANT◆—

Lammtennant Joan M · DirectorJan 1

4,524 sh

AGRANT◆—

Iglesias Lisa G · DirectorJan 1

4,524 sh

AGRANT◆—

Haft Ian David · DirectorJan 1

4,524 sh

PBUY$205

Smith R Sharon · Exec VP & Group…Nov 12, 2025

20 sh @ $10.25 · +<0.1% own

AGRANT◆↺—

LeBlanc Claude · Chief Executive…Oct 3, 2025

232,816 sh

AGRANT◆↺—

LeBlanc Claude · Chief Executive…Oct 3, 2025

45,650 sh

AGRANT◆↺—

LeBlanc Claude · Chief Executive…Oct 3, 2025

500,000 sh

AGRANT◆↺—

Smith R Sharon · Exec VP & Group…Oct 3, 2025

55,433 sh

AGRANT◆↺—

Smith R Sharon · Exec VP & Group…Oct 3, 2025

284,125 sh

AGRANT◆↺—

Trick David · Exec VP, CFO &…Oct 3, 2025

66,519 sh

AGRANT◆↺—

Trick David · Exec VP, CFO &…Oct 3, 2025

350,375 sh

AGRANT◆—

Stein Jeffrey Scott · DirectorOct 1, 2025

4,126 sh

AGRANT◆—

Price Michael D · DirectorOct 1, 2025

4,126 sh

AGRANT◆—

Matus Kristi Ann · DirectorOct 1, 2025

4,126 sh

AGRANT◆—

Lammtennant Joan M · DirectorOct 1, 2025

4,126 sh

AGRANT◆—

Iglesias Lisa G · DirectorOct 1, 2025

4,126 sh

AGRANT◆—

Haft Ian David · DirectorOct 1, 2025

4,126 sh

AGRANT◆↺—

Smith R Sharon · Exec VP & Group…Sep 30, 2025

76,206 sh

FTAX↺$27K

Smith R Sharon · Exec VP & Group…Sep 30, 2025

3,235 sh @ $8.34 · -2.1% own

MEXER↺—

Smith R Sharon · Exec VP & Group…Sep 30, 2025

3,235 sh · +2.2% own

AGRANT◆↺—

Trick David · Exec VP, CFO &…Sep 30, 2025

46,300 sh

FTAX↺$190.1K

Trick David · Exec VP, CFO &…Sep 30, 2025

22,796 sh @ $8.34 · -8.0% own

MEXER↺—

Trick David · Exec VP, CFO &…Sep 30, 2025

42,515 sh · +17.6% own

CCONV◆↺—

Smith R Sharon · Exec VP & Group…Sep 29, 2025

145,135 sh

FTAX↺$687K

Smith R Sharon · Exec VP & Group…Sep 29, 2025

70,680 sh @ $9.72 · -32.1% own

CCONV↺—

Smith R Sharon · Exec VP & Group…Sep 29, 2025

145,135 sh · +194.3% own

CCONV◆↺—

Trick David · Exec VP, CFO &…Sep 29, 2025

165,361 sh

FTAX↺$782.8K

Trick David · Exec VP, CFO &…Sep 29, 2025

80,531 sh @ $9.72 · -25.1% own

CCONV↺—

Trick David · Exec VP, CFO &…Sep 29, 2025

165,361 sh · +105.9% own

AGRANT◆↺—

LeBlanc Claude · Chief Executive…Jul 9, 2025

118,045 sh

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

1 of 31 filings we hold was filed after the two-business-day deadline. The furthest past the deadline was 8 business days late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
Mar 10	Mar 24	Ahn Cristina E.Chief Accounting Officer	8days	$995	Filing ↗

Ahn Cristina E.Chief Accounting Officer

8days

Traded Mar 10 · filed Mar 24Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.