MATHER CHARLES E IV

Director at Tonix Pharmaceuticals Holding Corp. · on record since Feb 20, 2013
Director at HYPERION DEFI, INC. · on record since Apr 5, 2018

Insider trading activity of MATHER CHARLES E IV

Transactions on record: 48; since Feb 20, 2013

Open-market buys: 13; $124K

Open-market sells: 0

Companies traded: 2; last filing Apr 29, 2025

Figures computed from official regulatory filings — .

Companies where MATHER CHARLES E IV has traded

HYPERION DEFI, INC.25 tx · $110K · Apr 29, 2025
Tonix Pharmaceuticals Holding Corp.23 tx · $24K · Jun 13, 2018

Track record of MATHER CHARLES E IV

Statistical track record

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Open-market buys: 13

Last buy: May 26, 2023

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Transaction history of MATHER CHARLES E IV

Co-insiders of MATHER CHARLES E IV

MARIO ERNESTHYPERION DEFI, INC. +1
Avenue Capital Management II, L.P.HYPERION DEFI, INC.
Avenue Venture Opportunities Fund II, L.P.HYPERION DEFI, INC.
Avenue Venture Opportunities Fund, L.P.HYPERION DEFI, INC.
BAGGER RICHARD HTonix Pharmaceuticals Holding Corp.
Bell Margaret SmithTonix Pharmaceuticals Holding Corp.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
HYPERION DEFI, INC.Listing unverified	Apr 29, 2025	Award	8,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Apr 23, 2025	Award	8,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Jun 14, 2024	Award	61,481	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Jun 14, 2024	AwardD (derivative)	85,106	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Jun 29, 2023	AwardD (derivative)	24,691	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Jun 29, 2023	Award	17,241	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	May 30, 2023	Buy	3,000	2.49 USD	$7.5K	conv 38Cluster	SEC
HYPERION DEFI, INC.Listing unverified	May 16, 2023	Buy	-4,000	3.39 USD	$13.6K	conv 51	SEC
HYPERION DEFI, INC.Listing unverified	May 16, 2023	Buy	4,000	3.39 USD	$13.6K	conv 39	SEC
HYPERION DEFI, INC.Listing unverified	Jun 21, 2022	AwardD (derivative)	30,769	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Jun 21, 2022	Award	22,222	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	May 19, 2022	Buy	7,000	2.03 USD	$14.2K	conv 31	SEC
HYPERION DEFI, INC.Listing unverified	Mar 31, 2022	Buy	4,000	3.12 USD	$12.5K	conv 30	SEC
HYPERION DEFI, INC.Listing unverified	Nov 22, 2021	Award	6,963	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Nov 22, 2021	AwardD (derivative)	9,653	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Nov 1, 2021	Buy	4,000	3.83 USD	$15.3K	conv 52Cluster	SEC
HYPERION DEFI, INC.Listing unverified	May 28, 2021	Buy	3,000	4.76 USD	$14.3K	conv 60ClusterFirst in 12mo	SEC
HYPERION DEFI, INC.Listing unverified	Sep 15, 2020	Award	7,288	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Sep 15, 2020	AwardD (derivative)	9,820	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Aug 20, 2019	AwardD (derivative)	9,057	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Aug 20, 2019	Award	8,038	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Sep 20, 2018	Buy	3,000	4.78 USD	$14.3K	conv 70ClusterUnusual size	SEC
HYPERION DEFI, INC.Listing unverified	Sep 20, 2018	Buy	1,000	4.80 USD	$4.8K	conv 49ClusterFirst in 12mo	SEC
HYPERION DEFI, INC.Listing unverified	Jul 26, 2018	Award	4,033	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Jul 26, 2018	AwardD (derivative)	4,465	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
HYPERION DEFI, INC.Listing unverified	Apr 29, 2025	Award	8,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Apr 23, 2025	Award	8,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Jun 14, 2024	Award	61,481	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Jun 14, 2024	AwardD (derivative)	85,106	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Jun 29, 2023	AwardD (derivative)	24,691	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Jun 29, 2023	Award	17,241	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	May 30, 2023	Buy	3,000	2.49 USD	$7.5K	conv 38Cluster	SEC
HYPERION DEFI, INC.Listing unverified	May 16, 2023	Buy	-4,000	3.39 USD	$13.6K	conv 51	SEC
HYPERION DEFI, INC.Listing unverified	May 16, 2023	Buy	4,000	3.39 USD	$13.6K	conv 39	SEC
HYPERION DEFI, INC.Listing unverified	Jun 21, 2022	AwardD (derivative)	30,769	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Jun 21, 2022	Award	22,222	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	May 19, 2022	Buy	7,000	2.03 USD	$14.2K	conv 31	SEC
HYPERION DEFI, INC.Listing unverified	Mar 31, 2022	Buy	4,000	3.12 USD	$12.5K	conv 30	SEC
HYPERION DEFI, INC.Listing unverified	Nov 22, 2021	Award	6,963	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Nov 22, 2021	AwardD (derivative)	9,653	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Nov 1, 2021	Buy	4,000	3.83 USD	$15.3K	conv 52Cluster	SEC
HYPERION DEFI, INC.Listing unverified	May 28, 2021	Buy	3,000	4.76 USD	$14.3K	conv 60ClusterFirst in 12mo	SEC
HYPERION DEFI, INC.Listing unverified	Sep 15, 2020	Award	7,288	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Sep 15, 2020	AwardD (derivative)	9,820	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Aug 20, 2019	AwardD (derivative)	9,057	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Aug 20, 2019	Award	8,038	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Sep 20, 2018	Buy	3,000	4.78 USD	$14.3K	conv 70ClusterUnusual size	SEC
HYPERION DEFI, INC.Listing unverified	Sep 20, 2018	Buy	1,000	4.80 USD	$4.8K	conv 49ClusterFirst in 12mo	SEC
HYPERION DEFI, INC.Listing unverified	Jul 26, 2018	Award	4,033	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
HYPERION DEFI, INC.Listing unverified	Jul 26, 2018	AwardD (derivative)	4,465	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC