AMRON ARTHUR H

Director at NEPHROS INC · on record since Dec 4, 2007
Director at REPUBLIC AIRWAYS HOLDINGS INC · on record since May 26, 2004
V.P. & Assistant Secretary at REPUBLIC AIRWAYS HOLDINGS INC · on record since May 26, 2004
Director at Rhino Resource Partners LP · on record since Sep 29, 2010
Director at SUNTERRA CORP · on record since Sep 10, 2003
Director at MAMMOTH ENERGY SERVICES, INC. · on record since May 28, 2026

Insider trading activity of AMRON ARTHUR H

Transactions on record: 67; since May 27, 2004

Open-market buys: 12; $111.9K

Open-market sells: 0

Companies traded: 4; last filing Sep 16, 2026

Figures computed from official regulatory filings — .

Companies where AMRON ARTHUR H has traded

NEPHROS INC40 tx · $118K · Sep 16, 2026
MAMMOTH ENERGY SERVICES, INC.18 tx · $83.6K · Jun 22, 2026
Rhino Resource Partners LP8 tx · Jan 5, 2016
REPUBLIC AIRWAYS HOLDINGS INC1 tx · May 27, 2004

Track record of AMRON ARTHUR H

Statistical track record

Free account

Open-market buys: 12

Last buy: Jun 12, 2026

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Transaction history of AMRON ARTHUR H

Co-insiders of AMRON ARTHUR H

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
NEPHROS INCListing on record	Sep 16, 2026	Other	22,710	3.95 USD	$89.7K		SEC
NEPHROS INCListing on record	Sep 16, 2026	Other	17,749	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEPHROS INCListing on record	Sep 16, 2026	Other	2,836	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEPHROS INCListing on record	Aug 14, 2026	Award	2,418	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	Jun 22, 2026	Other	10,329	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	Jun 22, 2026	Other	19,121	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	Jun 15, 2026	Buy	2,000	3.28 USD	$6.6K	conv 22	SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	Jun 15, 2026	Buy	2,500	3.22 USD	$8K	conv 22	SEC
NEPHROS INCListing on record	Jun 12, 2026	Award	3,574	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	May 28, 2026	Buy	2,500	3.24 USD	$8.1K	conv 23	SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	May 28, 2026	Buy	3,000	3.25 USD	$9.8K	conv 22	SEC
NEPHROS INCListing on record	Mar 18, 2026	Award	3,610	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	Dec 15, 2025	Buy	10,000	1.89 USD	$18.9K	conv 56Unusual size	SEC
NEPHROS INCListing on record	Nov 13, 2025	Award	5,391	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEPHROS INCListing on record	Jan 3, 2025	AwardD (derivative)	7,050	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEPHROS INCListing on record	Jan 3, 2025	Award	22,418	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	Dec 16, 2024	Buy	1,000	2.97 USD	$3K	conv 36	SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	Jun 14, 2024	Award	27,856	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEPHROS INCListing on record	May 30, 2024	Buy	3,000	2.24 USD	$6.7K	conv 32	SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	May 30, 2024	Buy	2,000	3.57 USD	$7.1K	conv 44	SEC
NEPHROS INCListing on record	May 30, 2024	Buy	2,000	2.22 USD	$4.4K	conv 42	SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	May 30, 2024	Buy	3,000	3.65 USD	$11K	conv 36	SEC
NEPHROS INCListing on record	May 16, 2024	AwardD (derivative)	7,323	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEPHROS INCListing on record	Mar 14, 2024	Other	91,463	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	Mar 14, 2024	Buy	3,000	3.72 USD	$11.2K	conv 61First in 12mo	SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
NEPHROS INCListing on record	Sep 16, 2026	Other	22,710	3.95 USD	$89.7K		SEC
NEPHROS INCListing on record	Sep 16, 2026	Other	17,749	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEPHROS INCListing on record	Sep 16, 2026	Other	2,836	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEPHROS INCListing on record	Aug 14, 2026	Award	2,418	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	Jun 22, 2026	Other	10,329	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	Jun 22, 2026	Other	19,121	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	Jun 15, 2026	Buy	2,000	3.28 USD	$6.6K	conv 22	SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	Jun 15, 2026	Buy	2,500	3.22 USD	$8K	conv 22	SEC
NEPHROS INCListing on record	Jun 12, 2026	Award	3,574	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	May 28, 2026	Buy	2,500	3.24 USD	$8.1K	conv 23	SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	May 28, 2026	Buy	3,000	3.25 USD	$9.8K	conv 22	SEC
NEPHROS INCListing on record	Mar 18, 2026	Award	3,610	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	Dec 15, 2025	Buy	10,000	1.89 USD	$18.9K	conv 56Unusual size	SEC
NEPHROS INCListing on record	Nov 13, 2025	Award	5,391	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEPHROS INCListing on record	Jan 3, 2025	AwardD (derivative)	7,050	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEPHROS INCListing on record	Jan 3, 2025	Award	22,418	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	Dec 16, 2024	Buy	1,000	2.97 USD	$3K	conv 36	SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	Jun 14, 2024	Award	27,856	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEPHROS INCListing on record	May 30, 2024	Buy	3,000	2.24 USD	$6.7K	conv 32	SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	May 30, 2024	Buy	2,000	3.57 USD	$7.1K	conv 44	SEC
NEPHROS INCListing on record	May 30, 2024	Buy	2,000	2.22 USD	$4.4K	conv 42	SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	May 30, 2024	Buy	3,000	3.65 USD	$11K	conv 36	SEC
NEPHROS INCListing on record	May 16, 2024	AwardD (derivative)	7,323	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEPHROS INCListing on record	Mar 14, 2024	Other	91,463	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MAMMOTH ENERGY SERVICES, INC.Listing on record	Mar 14, 2024	Buy	3,000	3.72 USD	$11.2K	conv 61First in 12mo	SEC