Maderis Gail J

Director at Acer Therapeutics Inc. · on record since Oct 28, 2011
Director at Stablecoin Development Corp · on record since Oct 8, 2010
Director at DURECT CORP · on record since Jan 5, 2021
Director at Allarity Therapeutics, Inc. · on record since Dec 22, 2021

Insider trading activity of Maderis Gail J

Transactions on record: 50; since Oct 8, 2010

Open-market buys: 4; $135.2K

Open-market sells: 0

Companies traded: 3; last filing Sep 12, 2025

Figures computed from official regulatory filings — .

Companies where Maderis Gail J has traded

DURECT CORP17 tx · $141.9K · Sep 12, 2025
Stablecoin Development Corp11 tx · Oct 28, 2019
Acer Therapeutics Inc.22 tx · Oct 4, 2016

Track record of Maderis Gail J

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

Transaction history of Maderis Gail J

Co-insiders of Maderis Gail J

21 APRIL FUND LPDURECT CORP
21 APRIL FUND LTDDURECT CORP
Adduci JeffreyAcer Therapeutics Inc.
Albert & Margaret Alkek FoundationAcer Therapeutics Inc.
Amello JasonAcer Therapeutics Inc.
Anderson Mark BrianStablecoin Development Corp
Andrews William T.Acer Therapeutics Inc.
Arenberg MichaelDURECT CORP
Arnhold & S. Bleichroeder Advisers, LLCDURECT CORP
Arnhold & S. Bleichroeder Holdings, Inc.DURECT CORP
ASELAGE STEVEAcer Therapeutics Inc.
ASEN R SCOTTDURECT CORP
AZAB MOHAMMADDURECT CORP
Bailey GregoryAcer Therapeutics Inc.
BARABE TIMOTHY CAcer Therapeutics Inc.
Beeby ReshenthaAcer Therapeutics Inc.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
DURECT CORPListing unverified	Sep 12, 2025	Other	-20,000	—	n/a (No price was disclosed in the filing)		SEC
DURECT CORPListing unverified	Sep 12, 2025	Other	-5,500	—	n/a (No price was disclosed in the filing)		SEC
DURECT CORPListing unverified	Sep 12, 2025	OtherD (derivative)	-5,500	—	n/a (No price was disclosed in the filing)		SEC
DURECT CORPListing unverified	Sep 12, 2025	OtherD (derivative)	-2,750	—	n/a (No price was disclosed in the filing)		SEC
DURECT CORPListing unverified	Sep 12, 2025	OtherD (derivative)	-7,000	—	n/a (No price was disclosed in the filing)		SEC
DURECT CORPListing unverified	Sep 12, 2025	OtherD (derivative)	-5,500	—	n/a (No price was disclosed in the filing)		SEC
DURECT CORPListing unverified	Sep 11, 2025	ExerciseD (derivative)	-5,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
DURECT CORPListing unverified	Sep 11, 2025	Exercise	5,500	1.22 USD	$6.7K		SEC
DURECT CORPListing unverified	Sep 27, 2024	AwardD (derivative)	5,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
DURECT CORPListing unverified	Jun 23, 2023	AwardD (derivative)	5,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
DURECT CORPListing unverified	Aug 12, 2022	Buy	25,204	0.71 USD	$17.9K	conv 33Cluster	SEC
DURECT CORPListing unverified	Aug 11, 2022	Buy	70,307	0.64 USD	$45K	conv 73ClusterFirst in 12mo	SEC
DURECT CORPListing unverified	Aug 11, 2022	Buy	24,796	0.70 USD	$17.4K	conv 45Cluster	SEC
DURECT CORPListing unverified	Aug 11, 2022	Buy	79,693	0.69 USD	$55K	conv 71Cluster	SEC
DURECT CORPListing unverified	Jun 17, 2022	AwardD (derivative)	55,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
DURECT CORPListing unverified	Jun 16, 2021	AwardD (derivative)	27,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
DURECT CORPListing unverified	Jan 5, 2021	AwardD (derivative)	70,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Stablecoin Development CorpListing unverified	Oct 28, 2019	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Stablecoin Development CorpListing unverified	Jun 4, 2018	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Acer Therapeutics Inc.Listing unverified	Oct 4, 2016	Award	6,455	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Acer Therapeutics Inc.Listing unverified	Jul 1, 2016	Award	6,455	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Acer Therapeutics Inc.Listing unverified	May 18, 2016	Award	6,455	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Stablecoin Development CorpListing unverified	Jan 6, 2016	AwardD (derivative)	24,777	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Acer Therapeutics Inc.Listing unverified	Jan 4, 2016	Award	1,354	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Acer Therapeutics Inc.Listing unverified	Oct 2, 2015	Award	1,200	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
DURECT CORPListing unverified	Sep 12, 2025	Other	-20,000	—	n/a (No price was disclosed in the filing)		SEC
DURECT CORPListing unverified	Sep 12, 2025	Other	-5,500	—	n/a (No price was disclosed in the filing)		SEC
DURECT CORPListing unverified	Sep 12, 2025	OtherD (derivative)	-5,500	—	n/a (No price was disclosed in the filing)		SEC
DURECT CORPListing unverified	Sep 12, 2025	OtherD (derivative)	-2,750	—	n/a (No price was disclosed in the filing)		SEC
DURECT CORPListing unverified	Sep 12, 2025	OtherD (derivative)	-7,000	—	n/a (No price was disclosed in the filing)		SEC
DURECT CORPListing unverified	Sep 12, 2025	OtherD (derivative)	-5,500	—	n/a (No price was disclosed in the filing)		SEC
DURECT CORPListing unverified	Sep 11, 2025	ExerciseD (derivative)	-5,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
DURECT CORPListing unverified	Sep 11, 2025	Exercise	5,500	1.22 USD	$6.7K		SEC
DURECT CORPListing unverified	Sep 27, 2024	AwardD (derivative)	5,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
DURECT CORPListing unverified	Jun 23, 2023	AwardD (derivative)	5,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
DURECT CORPListing unverified	Aug 12, 2022	Buy	25,204	0.71 USD	$17.9K	conv 33Cluster	SEC
DURECT CORPListing unverified	Aug 11, 2022	Buy	70,307	0.64 USD	$45K	conv 73ClusterFirst in 12mo	SEC
DURECT CORPListing unverified	Aug 11, 2022	Buy	24,796	0.70 USD	$17.4K	conv 45Cluster	SEC
DURECT CORPListing unverified	Aug 11, 2022	Buy	79,693	0.69 USD	$55K	conv 71Cluster	SEC
DURECT CORPListing unverified	Jun 17, 2022	AwardD (derivative)	55,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
DURECT CORPListing unverified	Jun 16, 2021	AwardD (derivative)	27,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
DURECT CORPListing unverified	Jan 5, 2021	AwardD (derivative)	70,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Stablecoin Development CorpListing unverified	Oct 28, 2019	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Stablecoin Development CorpListing unverified	Jun 4, 2018	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Acer Therapeutics Inc.Listing unverified	Oct 4, 2016	Award	6,455	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Acer Therapeutics Inc.Listing unverified	Jul 1, 2016	Award	6,455	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Acer Therapeutics Inc.Listing unverified	May 18, 2016	Award	6,455	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Stablecoin Development CorpListing unverified	Jan 6, 2016	AwardD (derivative)	24,777	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Acer Therapeutics Inc.Listing unverified	Jan 4, 2016	Award	1,354	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Acer Therapeutics Inc.Listing unverified	Oct 2, 2015	Award	1,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC