Hyatt Todd S.

10% owner at IHS Inc. · on record since Jan 18, 2012
EVP and CFO at IHS Inc. · on record since Jan 17, 2014
Director at Emerald Holding, Inc. · on record since Apr 28, 2017
EVP at IHS Markit Ltd. · on record since Jul 14, 2016

Insider trading activity of Hyatt Todd S.

Transactions on record: 86; since Jan 18, 2012

Open-market buys: 0

Open-market sells: 30; $19.3M

Companies traded: 3; last filing Jul 14, 2026

Figures computed from official regulatory filings — .

Companies where Hyatt Todd S. has traded

Emerald Holding, Inc.10 tx · Jul 14, 2026
IHS Markit Ltd.31 tx · $29.1M · Jul 14, 2020
IHS Inc.45 tx · $4.8M · Jul 12, 2016

Track record of Hyatt Todd S.

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Hyatt Todd S.

Co-insiders of Hyatt Todd S.

ERNST RUANN FAYEIHS Inc. +1
Gear JonathanIHS Inc. +1
IYER BALAKRISHNAN SIHS Inc. +1
Matzke-Hamlin HeatherIHS Inc. +1
MCWHINNEY DEBORAH DIHS Inc. +1
MONTUPET JEAN PAUL LIHS Inc. +1
Okun Jane LIHS Inc. +1
ROEDEL RICHARDIHS Inc. +1
Sisson Jeffrey DIHS Inc. +1
STEAD JERRE LIHS Inc. +1
Yergin DanielIHS Inc. +1
1597257 Ontario Inc.Emerald Holding, Inc.
Akeroyd ShaneIHS Markit Ltd.
Alicea MichaelEmerald Holding, Inc.
Altschul SaraEmerald Holding, Inc.
Armstrong Charles MichaelIHS Inc.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Emerald Holding, Inc.Security delisted	Jul 14, 2026	Other	-137,359	—	n/a (No price was disclosed in the filing)		SEC
Emerald Holding, Inc.Security delisted	Feb 26, 2026	Award	23,255	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Emerald Holding, Inc.Security delisted	Feb 28, 2025	Award	24,213	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Emerald Holding, Inc.Security delisted	Feb 29, 2024	Award	15,175	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Emerald Holding, Inc.Security delisted	Mar 9, 2023	Award	19,084	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Emerald Holding, Inc.Security delisted	Mar 2, 2022	Award	20,950	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Emerald Holding, Inc.Security delisted	Feb 22, 2021	Award	16,375	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IHS Markit Ltd.Listing unverified	Jul 14, 2020	Sell	-23,479	75.31 USD	$1.8M		SEC
IHS Markit Ltd.Listing unverified	Jul 14, 2020	Sell	-17,021	75.76 USD	$1.3M		SEC
IHS Markit Ltd.Listing unverified	Jul 14, 2020	Other	-35,546	75.64 USD	$2.7M	Unusual size	SEC
Emerald Holding, Inc.Security delisted	Feb 19, 2020	Award	5,208	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IHS Markit Ltd.Listing unverified	Feb 4, 2020	Other	-12,205	78.86 USD	$962.5K		SEC
IHS Markit Ltd.Listing unverified	Feb 4, 2020	Award	48,770	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IHS Markit Ltd.Listing unverified	Feb 4, 2020	Sell	-46,957	80.59 USD	$3.8M	Unusual size	SEC
IHS Markit Ltd.Listing unverified	Feb 4, 2020	Award	11,797	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IHS Markit Ltd.Listing unverified	Feb 4, 2020	Other	-19,748	78.86 USD	$1.6M		SEC
IHS Markit Ltd.Listing unverified	Aug 5, 2019	Sell	-25,483	63.56 USD	$1.6M	Unusual size	SEC
IHS Markit Ltd.Listing unverified	May 2, 2019	Sell	-40,000	56.24 USD	$2.2M	Unusual size	SEC
Emerald Holding, Inc.Security delisted	Mar 18, 2019	Award	4,010	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IHS Markit Ltd.Listing unverified	Feb 6, 2019	Sell	-7,942	52.03 USD	$413.2K		SEC
IHS Markit Ltd.Listing unverified	Feb 4, 2019	Award	25,509	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IHS Markit Ltd.Listing unverified	Feb 4, 2019	Other	-53,785	51.77 USD	$2.8M	Unusual size	SEC
IHS Markit Ltd.Listing unverified	Dec 18, 2018	Other	-22,297	48.83 USD	$1.1M		SEC
IHS Markit Ltd.Listing unverified	Oct 2, 2018	Sell	-14,517	54.01 USD	$784.1K		SEC
IHS Markit Ltd.Listing unverified	Aug 8, 2018	Other	-23,264	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
Emerald Holding, Inc.Security delisted	Jul 14, 2026	Other	-137,359	—	n/a (No price was disclosed in the filing)		SEC
Emerald Holding, Inc.Security delisted	Feb 26, 2026	Award	23,255	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Emerald Holding, Inc.Security delisted	Feb 28, 2025	Award	24,213	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Emerald Holding, Inc.Security delisted	Feb 29, 2024	Award	15,175	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Emerald Holding, Inc.Security delisted	Mar 9, 2023	Award	19,084	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Emerald Holding, Inc.Security delisted	Mar 2, 2022	Award	20,950	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Emerald Holding, Inc.Security delisted	Feb 22, 2021	Award	16,375	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IHS Markit Ltd.Listing unverified	Jul 14, 2020	Sell	-23,479	75.31 USD	$1.8M		SEC
IHS Markit Ltd.Listing unverified	Jul 14, 2020	Sell	-17,021	75.76 USD	$1.3M		SEC
IHS Markit Ltd.Listing unverified	Jul 14, 2020	Other	-35,546	75.64 USD	$2.7M	Unusual size	SEC
Emerald Holding, Inc.Security delisted	Feb 19, 2020	Award	5,208	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IHS Markit Ltd.Listing unverified	Feb 4, 2020	Other	-12,205	78.86 USD	$962.5K		SEC
IHS Markit Ltd.Listing unverified	Feb 4, 2020	Award	48,770	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IHS Markit Ltd.Listing unverified	Feb 4, 2020	Sell	-46,957	80.59 USD	$3.8M	Unusual size	SEC
IHS Markit Ltd.Listing unverified	Feb 4, 2020	Award	11,797	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IHS Markit Ltd.Listing unverified	Feb 4, 2020	Other	-19,748	78.86 USD	$1.6M		SEC
IHS Markit Ltd.Listing unverified	Aug 5, 2019	Sell	-25,483	63.56 USD	$1.6M	Unusual size	SEC
IHS Markit Ltd.Listing unverified	May 2, 2019	Sell	-40,000	56.24 USD	$2.2M	Unusual size	SEC
Emerald Holding, Inc.Security delisted	Mar 18, 2019	Award	4,010	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IHS Markit Ltd.Listing unverified	Feb 6, 2019	Sell	-7,942	52.03 USD	$413.2K		SEC
IHS Markit Ltd.Listing unverified	Feb 4, 2019	Award	25,509	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IHS Markit Ltd.Listing unverified	Feb 4, 2019	Other	-53,785	51.77 USD	$2.8M	Unusual size	SEC
IHS Markit Ltd.Listing unverified	Dec 18, 2018	Other	-22,297	48.83 USD	$1.1M		SEC
IHS Markit Ltd.Listing unverified	Oct 2, 2018	Sell	-14,517	54.01 USD	$784.1K		SEC
IHS Markit Ltd.Listing unverified	Aug 8, 2018	Other	-23,264	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC