Ksenak Stephen Michael

Insider CIK 1527850 · AMBC Sr. MD & General Counsel

Track record PRO

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Track record

See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.

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Trades across companies

Ticker	Code	Trade	Filed	Shares	Price	Value	Owned after
AMBC AMBAC FINANCIAL GROUP INC	C Conversion deriv	2025-09-29	2025-10-01	129,146	—	$0	0	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	C Conversion	2025-09-29	2025-10-01	129,146	—	$0	248,778	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2025-09-29	2025-10-01	43,522	$9.72	$423.0K	205,256	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2025-07-09	2025-07-09	32,097	—	$0	46,151	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2025-03-13	2025-03-14	4,726	—	$0	14,054	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2025-03-13	2025-03-14	4,726	—	$0	123,302	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2025-03-13	2025-03-14	1,703	$8.39	$14.3K	121,599	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2025-03-06	2025-03-10	53,999	—	$0	129,146	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2025-03-06	2025-03-10	1,967	—	$0	118,576	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2025-03-06	2025-03-10	1,967	$9.16	$18.0K	118,576	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2025-03-03	2025-03-04	4,201	—	$0	75,147	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2025-03-03	2025-03-04	4,601	—	$0	18,780	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2025-03-03	2025-03-04	400	$9.30	$3.7K	116,609	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2025-03-03	2025-03-04	400	—	$0	117,009	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2025-02-28	2025-03-04	4,469	—	$0	70,946	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2025-02-28	2025-03-04	5,051	—	$0	23,381	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2025-02-28	2025-03-04	582	$9.71	$5.7K	116,609	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2025-02-28	2025-03-04	582	—	$0	117,191	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	P Buy	2024-08-07	2024-08-08	5,000	$11.00	$55.0K	116,609	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2024-03-13	2024-03-15	14,179	—	$0	28,432	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2024-03-08	2024-03-11	5,959	—	$0	14,253	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2024-03-08	2024-03-11	5,959	—	$0	66,477	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2024-03-08	2024-03-11	218	—	$0	20,212	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2024-03-08	2024-03-11	218	—	$0	111,827	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2024-03-08	2024-03-11	218	$15.38	$3.4K	111,609	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2024-03-03	2024-03-04	4,438	—	$0	60,518	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2024-03-03	2024-03-04	4,438	—	$0	20,430	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2024-03-03	2024-03-04	163	—	$0	24,868	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2024-03-03	2024-03-04	163	—	$0	111,772	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2024-03-03	2024-03-04	163	$16.19	$2.6K	111,609	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2024-02-28	2024-03-01	4,872	—	$0	56,080	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2024-02-28	2024-03-01	4,872	—	$0	25,031	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2024-02-28	2024-03-01	178	—	$0	29,903	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2024-02-28	2024-03-01	178	$16.94	$3.0K	111,609	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2024-02-28	2024-03-01	178	—	$0	111,787	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2024-02-21	2024-02-23	40,442	—	$0	51,208	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2024-02-21	2024-02-23	1,861	—	$0	113,470	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2024-02-21	2024-02-23	1,861	$16.25	$30.2K	111,609	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2023-03-08	2023-03-09	5,894	—	$0	30,081	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2023-03-08	2023-03-09	282	—	$0	35,975	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2023-03-08	2023-03-09	5,894	—	$0	10,766	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2023-03-08	2023-03-09	282	$16.41	$4.6K	111,609	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2023-03-08	2023-03-09	282	—	$0	111,891	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2023-03-03	2023-03-06	13,803	—	$0	36,257	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2023-02-28	2023-03-02	4,872	—	$0	4,872	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2023-02-28	2023-03-02	4,872	—	$0	22,454	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2023-02-28	2023-03-02	178	—	$0	27,326	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2023-02-28	2023-03-02	178	—	$0	111,787	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2023-02-28	2023-03-02	178	$16.55	$2.9K	111,609	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2023-02-22	2023-02-24	36,351	—	$0	130,215	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2023-02-22	2023-02-24	18,606	$16.22	$301.8K	111,609	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2023-01-02	2023-01-04	2,778	—	$0	27,504	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2023-01-02	2023-01-04	1,579	$17.44	$27.5K	93,864	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2023-01-02	2023-01-04	2,778	—	$0	95,443	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2022-03-08	2022-03-09	6,177	—	$0	30,282	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2022-03-08	2022-03-09	3,153	$12.85	$40.5K	92,665	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2022-03-08	2022-03-09	6,177	—	$0	95,818	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2022-02-28	2022-03-02	15,151	—	$0	36,459	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2022-02-24	2022-02-28	9,743	$14.35	$139.8K	89,641	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2022-02-24	2022-02-28	19,124	—	$0	99,384	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2022-01-02	2022-01-04	4,965	—	$0	21,308	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2022-01-02	2022-01-04	2,823	$16.05	$45.3K	80,260	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2022-01-02	2022-01-04	4,965	—	$0	83,083	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2021-03-08	2021-03-09	18,530	—	$0	26,273	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2021-03-04	2021-03-08	2,389	—	$0	0	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2021-03-04	2021-03-08	2,389	—	$0	79,202	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2021-03-04	2021-03-08	1,084	$16.93	$18.4K	78,118	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2021-03-02	2021-03-03	2,393	—	$0	7,743	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2021-03-02	2021-03-03	2,393	—	$0	77,954	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2021-03-02	2021-03-03	1,141	$16.77	$19.1K	76,813	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2021-03-01	2021-03-03	28,716	—	$0	90,152	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2021-03-01	2021-03-03	14,591	$17.39	$253.7K	75,561	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2021-01-02	2021-01-04	4,966	—	$0	10,136	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2021-01-02	2021-01-04	4,966	—	$0	64,112	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2021-01-02	2021-01-04	2,676	$15.38	$41.2K	61,436	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2020-05-18	2020-05-20	5,004	—	$0	15,102	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2020-05-18	2020-05-20	1,746	$13.69	$23.9K	59,146	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2020-05-18	2020-05-20	5,004	—	$0	60,892	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2020-03-04	2020-03-06	2,389	—	$0	2,389	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2020-03-04	2020-03-06	8,333	—	$0	20,106	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2020-03-04	2020-03-06	755	$19.50	$14.7K	55,888	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2020-03-04	2020-03-06	2,389	—	$0	56,643	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2020-03-02	2020-03-04	3,269	—	$0	4,778	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2020-03-02	2020-03-04	2,393	—	$0	11,773	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2020-03-02	2020-03-04	2,393	—	$0	55,066	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2020-03-02	2020-03-04	15,863	—	$0	55,807	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2020-03-02	2020-03-04	5,370	$19.85	$106.6K	50,437	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2020-03-02	2020-03-04	3,269	—	$0	53,706	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2020-03-02	2020-03-04	1,033	$19.85	$20.5K	52,673	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2020-03-02	2020-03-04	812	$19.85	$16.1K	54,254	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2020-01-02	2020-01-06	2,188	—	$0	14,166	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2020-01-02	2020-01-06	2,188	—	$0	40,803	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2020-01-02	2020-01-06	859	$21.76	$18.7K	39,944	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2019-05-16	2019-05-17	5,003	—	$0	16,354	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2019-05-16	2019-05-17	5,003	—	$0	40,947	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2019-05-16	2019-05-17	2,332	$16.84	$39.3K	38,615	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	P Buy	2019-05-14	2019-05-14	733	$17.27	$12.7K	35,944	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	P Buy	2019-05-14	2019-05-14	2,267	$17.28	$39.2K	35,211	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2019-03-04	2019-03-05	5,581	—	$0	3,099	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2019-03-04	2019-03-05	2,394	—	$0	14,793	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2019-03-04	2019-03-05	4,948	—	$0	8,047	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2019-03-04	2019-03-05	6,564	—	$0	21,357	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2019-03-04	2019-03-05	5,581	—	$0	33,243	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2019-03-04	2019-03-05	2,693	$20.11	$54.2K	30,550	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2019-03-04	2019-03-05	2,394	—	$0	32,944	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2019-02-25	2019-02-27	4,598	$19.71	$90.6K	27,662	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award	2019-02-25	2019-02-27	13,569	—	$0	32,260	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2019-02-21	2019-02-22	4,296	—	$0	17,187	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2019-02-21	2019-02-22	1,552	$19.87	$30.8K	18,691	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2019-02-21	2019-02-22	4,296	—	$0	20,243	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2018-05-16	2018-05-18	10,450	—	$0	21,926	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2018-05-16	2018-05-18	443	—	$0	21,483	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2018-05-16	2018-05-18	443	—	$0	16,390	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2018-05-16	2018-05-18	443	$19.14	$8.5K	15,947	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2018-03-02	2018-03-06	6,826	—	$0	11,112	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2018-03-02	2018-03-06	2,432	—	$0	8,680	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2018-03-02	2018-03-06	7,180	—	$0	11,476	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2018-03-02	2018-03-06	2,432	—	$0	17,192	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2018-03-02	2018-03-06	1,245	$15.09	$18.8K	15,947	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award	2018-02-26	2018-02-28	5,695	—	$0	17,412	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2018-02-26	2018-02-28	2,652	$15.72	$41.7K	14,760	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2018-02-21	2018-02-22	4,296	—	$0	4,296	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2018-02-21	2018-02-22	2,126	$15.84	$33.7K	11,717	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2018-02-21	2018-02-22	4,296	—	$0	13,843	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2017-05-12	2017-05-16	1,399	$17.18	$24.0K	9,547	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award	2017-05-12	2017-05-16	2,979	—	$0	10,946	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2017-03-02	2017-03-06	4,475	—	$0	4,475	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2017-03-02	2017-03-06	189	$22.35	$4.2K	4,286	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2017-03-02	2017-03-06	189	$22.35	$4.2K	7,967	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2017-03-02	2017-03-06	189	$22.35	$4.2K	8,156	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2017-02-21	2017-02-22	4,295	—	$0	8,592	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2017-02-21	2017-02-22	2,017	$22.18	$44.7K	7,967	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2017-02-21	2017-02-22	4,295	—	$0	9,984	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2016-12-20	2016-12-21	4,674	—	$0	12,887	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2016-12-20	2016-12-21	4,674	—	$0	7,774	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2016-12-20	2016-12-21	2,085	$22.07	$46.0K	5,689	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2016-02-22	2016-02-24	12,887	—	$0	17,561	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2016-02-22	2016-02-24	12,887	—	$0	17,561	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2015-12-20	2015-12-21	4,740	—	$0	4,674	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2015-12-20	2015-12-21	1,640	$14.39	$23.6K	3,100	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2015-12-20	2015-12-21	4,740	—	$0	4,740	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2014-12-20	2014-12-22	174	$24.04	$4.2K	9,414	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2014-12-20	2014-12-22	174	$24.04	$4.2K	0	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2014-12-20	2014-12-22	174	$24.04	$4.2K	174	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise deriv	2013-12-20	2013-12-23	107	$20.63	$2.2K	9,588	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	A Award deriv	2013-12-20	2013-12-23	9,695	—	$0	9,695	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	M Exercise	2013-12-20	2013-12-23	107	$20.63	$2.2K	107	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	F Tax w/h	2013-12-20	2013-12-23	107	$20.63	$2.2K	0	SEC↗
AMBC AMBAC FINANCIAL GROUP INC	J Other	2013-05-01	2013-05-01	17,821	—	$0	0	SEC↗