Csiszar Ernst N

Director at MASTEC INC · on record since May 22, 2006
Director at Patriot National, Inc. · on record since May 3, 2017

Insider trading activity of Csiszar Ernst N

Transactions on record: 161; since Nov 3, 2005

Open-market buys: 0

Open-market sells: 10; $6.7M

Companies traded: 1; last filing Aug 18, 2026

Figures computed from official regulatory filings — .

Companies where Csiszar Ernst N has traded

MASTEC INC161 tx · $7.8M · Aug 18, 2026

Track record of Csiszar Ernst N

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

Transaction history of Csiszar Ernst N

Co-insiders of Csiszar Ernst N

SHANFELTER AUSTIN JMASTEC INC +1
Apple Robert EMASTEC INC
Babin JoePatriot National, Inc.
Bidic Sean M.Patriot National, Inc.
Campbell C RobertMASTEC INC
COLEMAN TERRY LPatriot National, Inc.
Corey Michael J.Patriot National, Inc.
DE CARDENAS ALBERTO IMASTEC INC
de Cespedes Carlos MMASTEC INC
Del Pizzo John R.Patriot National, Inc.
DiMarco PaulMASTEC INC
Dwyer Robert JMASTEC INC
Ermatinger Timothy J.Patriot National, Inc.
Floerke Gregory ScottMASTEC INC
Grandstaff Michael W.Patriot National, Inc.
Haddad Judith L.Patriot National, Inc.
Halter PaulPatriot National, Inc.
Harris RayMASTEC INC
HEUVELEN JOHN VANMASTEC INC
Hibler GlennPatriot National, Inc.
HUDSON SHERRILL WMASTEC INC
Jaumot Frank EMASTEC INC
JOHNSON JULIA LMASTEC INC
Jorge L. Mas Canosa Holdings I LPMASTEC INC
Jorge Mas Holdings I Limited PartnershipMASTEC INC
KENNEDY JOSEPH P IIMASTEC INC
LAFFER ARTHUR BMASTEC INC
Love Timothy MichaelMASTEC INC
Mariano Steven M.Patriot National, Inc.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
MASTEC INCListing on record	Aug 18, 2026	Award	152	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Aug 18, 2026	Other	-34	297.59 USD	$10.1K		SEC
MASTEC INCListing on record	Jun 5, 2026	Sell	-6,500	371.17 USD	$2.4M	Unusual size	SEC
MASTEC INCListing on record	May 19, 2026	Award	104	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	May 19, 2026	Other	-23	434.77 USD	$10K		SEC
MASTEC INCListing on record	Mar 5, 2026	Sell	-6,500	300.40 USD	$2M	Unusual size	SEC
MASTEC INCListing on record	Feb 18, 2026	Award	168	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Feb 18, 2026	Other	-37	269.53 USD	$10K		SEC
MASTEC INCListing on record	Nov 18, 2025	Other	-52	192.22 USD	$10K		SEC
MASTEC INCListing on record	Nov 18, 2025	Award	235	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Aug 19, 2025	Award	254	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Aug 19, 2025	Other	-56	178.00 USD	$10K		SEC
MASTEC INCListing on record	May 19, 2025	Other	-64	157.32 USD	$10.1K		SEC
MASTEC INCListing on record	May 19, 2025	Award	287	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Mar 26, 2025	Sell	-2,517	131.63 USD	$331.3K		SEC
MASTEC INCListing on record	Feb 19, 2025	Other	-74	135.78 USD	$10K		SEC
MASTEC INCListing on record	Feb 19, 2025	Award	332	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Nov 19, 2024	Other	-74	135.32 USD	$10K		SEC
MASTEC INCListing on record	Nov 19, 2024	Award	333	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Aug 26, 2024	Sell	-4,853	110.96 USD	$538.5K		SEC
MASTEC INCListing on record	Aug 19, 2024	Award	407	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Aug 19, 2024	Other	-90	110.78 USD	$10K		SEC
MASTEC INCListing on record	May 17, 2024	Other	-98	106.99 USD	$10.5K		SEC
MASTEC INCListing on record	May 17, 2024	Award	443	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Feb 20, 2024	Other	-143	72.98 USD	$10.4K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
MASTEC INCListing on record	Aug 18, 2026	Award	152	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Aug 18, 2026	Other	-34	297.59 USD	$10.1K		SEC
MASTEC INCListing on record	Jun 5, 2026	Sell	-6,500	371.17 USD	$2.4M	Unusual size	SEC
MASTEC INCListing on record	May 19, 2026	Award	104	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	May 19, 2026	Other	-23	434.77 USD	$10K		SEC
MASTEC INCListing on record	Mar 5, 2026	Sell	-6,500	300.40 USD	$2M	Unusual size	SEC
MASTEC INCListing on record	Feb 18, 2026	Award	168	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Feb 18, 2026	Other	-37	269.53 USD	$10K		SEC
MASTEC INCListing on record	Nov 18, 2025	Other	-52	192.22 USD	$10K		SEC
MASTEC INCListing on record	Nov 18, 2025	Award	235	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Aug 19, 2025	Award	254	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Aug 19, 2025	Other	-56	178.00 USD	$10K		SEC
MASTEC INCListing on record	May 19, 2025	Other	-64	157.32 USD	$10.1K		SEC
MASTEC INCListing on record	May 19, 2025	Award	287	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Mar 26, 2025	Sell	-2,517	131.63 USD	$331.3K		SEC
MASTEC INCListing on record	Feb 19, 2025	Other	-74	135.78 USD	$10K		SEC
MASTEC INCListing on record	Feb 19, 2025	Award	332	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Nov 19, 2024	Other	-74	135.32 USD	$10K		SEC
MASTEC INCListing on record	Nov 19, 2024	Award	333	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Aug 26, 2024	Sell	-4,853	110.96 USD	$538.5K		SEC
MASTEC INCListing on record	Aug 19, 2024	Award	407	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Aug 19, 2024	Other	-90	110.78 USD	$10K		SEC
MASTEC INCListing on record	May 17, 2024	Other	-98	106.99 USD	$10.5K		SEC
MASTEC INCListing on record	May 17, 2024	Award	443	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MASTEC INCListing on record	Feb 20, 2024	Other	-143	72.98 USD	$10.4K		SEC