Klein Mark D

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Director at Alternative Asset Management Acquisition Corp. · on record since Aug 6, 2007
Director at AMERICAN APPAREL, INC · on record since Dec 26, 2007
10% owner at Millennium Sustainable Ventures Corp. · on record since Mar 19, 2008
10% owner at Stream Global Services, Inc. · on record since Aug 27, 2008
CEO & President at Alternative Asset Management Acquisition Corp. · on record since Aug 4, 2009
Director at Crumbs Bake Shop, Inc. · on record since May 20, 2010
Chief Executive Officer at Crumbs Bake Shop, Inc. · on record since May 20, 2010
Director at Neostellar Capital Corp. · on record since Apr 28, 2011
Director at Atlantic Alliance Partnership Corp. · on record since Apr 29, 2015
See Footnote 1 at NATIONAL HOLDINGS CORP · on record since Dec 10, 2015
Director at SkillSoft Ltd · on record since Jun 26, 2019
Director at LADENBURG THALMANN FINANCIAL SERVICES INC. · on record since Apr 1, 2005
President and CEO at LADENBURG THALMANN FINANCIAL SERVICES INC. · on record since Apr 1, 2005
Director at Claritev Corp · on record since Feb 19, 2020
Director at Lucid Group, Inc. · on record since Jul 29, 2020
Director at Churchill Capital Corp V · on record since Dec 15, 2020
Director at Churchill Capital Corp VII · on record since Feb 11, 2021
Director at Churchill Capital Corp VI · on record since Feb 11, 2021
Chairman, CEO and President at · on record since Jun 17, 2019
Director at · on record since Jul 20, 2009
CEO & CFO at · on record since Jul 20, 2009

Insider trading activity of Klein Mark D

Transactions on record: 117; since Jan 14, 2009

Purchases: 74; $9.8M

Sales: 0

Companies traded: 6; last filing Sep 22, 2026

Figures computed from official regulatory filings — .

Companies where Klein Mark D has traded

100 tx · $11.3M · Sep 22, 2026
2 tx · $5M · Oct 8, 2020
5 tx · $1.5M · Nov 3, 2016
5 tx · $4.2K · Feb 12, 2013
3 tx · Aug 4, 2009
2 tx · Jan 14, 2009

Track record of Klein Mark D

Statistical track record

Free account

Purchases: 74

Last buy: Sep 21, 2026

Win rates, median returns and the proven-insider analysis come with a free account.

Transaction history of Klein Mark D

Co-insiders of Klein Mark D

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Neostellar Capital Corp.Security delisted	Sep 22, 2026	Buy	5,000	7.91 USD	$39.6K	conv 33	SEC
Neostellar Capital Corp.Security delisted	Aug 10, 2026	Buy	26,040	9.60 USD	$250K	conv 61Unusual size	SEC
Neostellar Capital Corp.Security delisted	Jun 16, 2026	Award	350,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Neostellar Capital Corp.Security delisted	Jun 16, 2026	Other	-293,265	13.56 USD	$4M	Unusual size	SEC
Neostellar Capital Corp.Security delisted	Apr 22, 2026	Buy	2,500	13.25 USD	$33.1K	conv 28	SEC
Neostellar Capital Corp.Security delisted	Apr 22, 2026	Buy	2,500	13.08 USD	$32.7K	conv 32	SEC
Neostellar Capital Corp.Security delisted	Dec 16, 2025	Other	-17,017	9.59 USD	$163.2K		SEC
Neostellar Capital Corp.Security delisted	Dec 16, 2025	Other	-17,017	9.24 USD	$157.2K		SEC
Neostellar Capital Corp.Security delisted	Nov 25, 2025	Award	174,465	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Neostellar Capital Corp.Security delisted	Aug 12, 2025	Buy	10,000	8.45 USD	$84.5K	conv 30	SEC
Neostellar Capital Corp.Security delisted	Aug 12, 2025	Buy	4,571	8.69 USD	$39.7K	conv 31	SEC
Neostellar Capital Corp.Security delisted	May 19, 2025	Award	300,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Neostellar Capital Corp.Security delisted	May 9, 2025	Buy	16,500	5.26 USD	$86.8K	conv 37	SEC
Neostellar Capital Corp.Security delisted	Feb 12, 2025	Other	-32,858	6.17 USD	$202.7K		SEC
Neostellar Capital Corp.Security delisted	Dec 18, 2024	Other	-17,017	6.02 USD	$102.4K		SEC
Neostellar Capital Corp.Security delisted	Dec 12, 2024	Other	-21,272	6.14 USD	$130.6K		SEC
Neostellar Capital Corp.Security delisted	Dec 12, 2024	Award	100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Neostellar Capital Corp.Security delisted	Dec 4, 2024	Buy	743	5.49 USD	$4.1K	conv 16	SEC
Neostellar Capital Corp.Security delisted	Nov 29, 2024	Buy	10,000	5.03 USD	$50.3K	conv 31	SEC
Neostellar Capital Corp.Security delisted	Nov 29, 2024	Buy	32,257	5.10 USD	$164.5K	conv 49Unusual size	SEC
Neostellar Capital Corp.Security delisted	Nov 29, 2024	Buy	39,000	5.20 USD	$202.8K	conv 52Unusual size	SEC
Neostellar Capital Corp.Security delisted	Aug 20, 2024	Buy	12,000	3.84 USD	$46.1K	conv 38	SEC
Neostellar Capital Corp.Security delisted	Feb 13, 2024	Other	-32,285	3.39 USD	$109.4K		SEC
Neostellar Capital Corp.Security delisted	Feb 13, 2024	Other	-41,273	3.54 USD	$146.1K		SEC
Neostellar Capital Corp.Security delisted	Dec 15, 2023	Award	-100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Neostellar Capital Corp.Security delisted	Sep 22, 2026	Buy	5,000	7.91 USD	$39.6K	conv 33	SEC
Neostellar Capital Corp.Security delisted	Aug 10, 2026	Buy	26,040	9.60 USD	$250K	conv 61Unusual size	SEC
Neostellar Capital Corp.Security delisted	Jun 16, 2026	Award	350,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Neostellar Capital Corp.Security delisted	Jun 16, 2026	Other	-293,265	13.56 USD	$4M	Unusual size	SEC
Neostellar Capital Corp.Security delisted	Apr 22, 2026	Buy	2,500	13.25 USD	$33.1K	conv 28	SEC
Neostellar Capital Corp.Security delisted	Apr 22, 2026	Buy	2,500	13.08 USD	$32.7K	conv 32	SEC
Neostellar Capital Corp.Security delisted	Dec 16, 2025	Other	-17,017	9.59 USD	$163.2K		SEC
Neostellar Capital Corp.Security delisted	Dec 16, 2025	Other	-17,017	9.24 USD	$157.2K		SEC
Neostellar Capital Corp.Security delisted	Nov 25, 2025	Award	174,465	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Neostellar Capital Corp.Security delisted	Aug 12, 2025	Buy	10,000	8.45 USD	$84.5K	conv 30	SEC
Neostellar Capital Corp.Security delisted	Aug 12, 2025	Buy	4,571	8.69 USD	$39.7K	conv 31	SEC
Neostellar Capital Corp.Security delisted	May 19, 2025	Award	300,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Neostellar Capital Corp.Security delisted	May 9, 2025	Buy	16,500	5.26 USD	$86.8K	conv 37	SEC
Neostellar Capital Corp.Security delisted	Feb 12, 2025	Other	-32,858	6.17 USD	$202.7K		SEC
Neostellar Capital Corp.Security delisted	Dec 18, 2024	Other	-17,017	6.02 USD	$102.4K		SEC
Neostellar Capital Corp.Security delisted	Dec 12, 2024	Other	-21,272	6.14 USD	$130.6K		SEC
Neostellar Capital Corp.Security delisted	Dec 12, 2024	Award	100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Neostellar Capital Corp.Security delisted	Dec 4, 2024	Buy	743	5.49 USD	$4.1K	conv 16	SEC
Neostellar Capital Corp.Security delisted	Nov 29, 2024	Buy	10,000	5.03 USD	$50.3K	conv 31	SEC
Neostellar Capital Corp.Security delisted	Nov 29, 2024	Buy	32,257	5.10 USD	$164.5K	conv 49Unusual size	SEC
Neostellar Capital Corp.Security delisted	Nov 29, 2024	Buy	39,000	5.20 USD	$202.8K	conv 52Unusual size	SEC
Neostellar Capital Corp.Security delisted	Aug 20, 2024	Buy	12,000	3.84 USD	$46.1K	conv 38	SEC
Neostellar Capital Corp.Security delisted	Feb 13, 2024	Other	-32,285	3.39 USD	$109.4K		SEC
Neostellar Capital Corp.Security delisted	Feb 13, 2024	Other	-41,273	3.54 USD	$146.1K		SEC
Neostellar Capital Corp.Security delisted	Dec 15, 2023	Award	-100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC