JOHNSON DAVID EDWARD

See Remarks at Liquidia Corp · on record since Jun 21, 2023
10% owner at ALIMERA SCIENCES INC · on record since Aug 17, 2023
See Remarks at Verrica Pharmaceuticals Inc. · on record since Dec 30, 2025
Director at Diversified Energy Co · on record since Dec 9, 2025
Director at EXELIXIS, INC. · on record since May 29, 2026
10% owner at STANDARD BIOTOOLS INC. · on record since May 10, 2021
10% owner at AMAG PHARMACEUTICALS, INC. · on record since Aug 15, 2019
Director at AMAG PHARMACEUTICALS, INC. · on record since Oct 10, 2019
10% owner at LABRANCHE & CO INC · on record since Jun 15, 2022
Director at Liquidia Corp · on record since May 20, 2026
10% owner at Liquidia Corp · on record since May 20, 2026

Insider trading activity of JOHNSON DAVID EDWARD

Transactions on record: 42; since Oct 10, 2019

Open-market buys: 14; $15.5M

Open-market sells: 1; $2M

Companies traded: 6; last filing Jul 1, 2026

Figures computed from official regulatory filings — .

Companies where JOHNSON DAVID EDWARD has traded

Diversified Energy Co3 tx · Jul 1, 2026
Liquidia Corp7 tx · $1.4M · Jun 18, 2026
EXELIXIS, INC.3 tx · $8.7M · May 29, 2026
ALIMERA SCIENCES INC7 tx · $32.9M · Sep 15, 2023
LABRANCHE & CO INC12 tx · $3.4M · Jul 3, 2023
10 tx · Nov 17, 2020

Track record of JOHNSON DAVID EDWARD

Statistical track record

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Open-market buys: 14

Last buy: May 30, 2024

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Transaction history of JOHNSON DAVID EDWARD

Co-insiders of JOHNSON DAVID EDWARD

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Diversified Energy CoListing on record	Jul 1, 2026	Award	276	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Liquidia CorpListing unverified	Jun 18, 2026	Award	5,882	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXELIXIS, INC.Listing on record	May 29, 2026	AwardD (derivative)	19,133	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Diversified Energy CoListing on record	Mar 18, 2026	Award	286	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Diversified Energy CoListing on record	Jan 7, 2026	Award	13,582	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Liquidia CorpListing unverified	Jun 20, 2025	Award	18,396	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXELIXIS, INC.Listing on record	May 30, 2024	Buy	200,000	20.32 USD	$4.1M	conv 59Unusual size	SEC
EXELIXIS, INC.Listing on record	May 30, 2024	Buy	225,000	20.76 USD	$4.7M	conv 53Unusual size	SEC
ALIMERA SCIENCES INCListing unverified	Sep 15, 2023	Buy	579,000	3.39 USD	$2M	conv 55Unusual sizeFirst in 12mo	SEC
ALIMERA SCIENCES INCListing unverified	Sep 15, 2023	Sell	-579,000	3.39 USD	$2M		SEC
ALIMERA SCIENCES INCListing unverified	Sep 15, 2023	OtherD (derivative)	1	—	n/a (No price was disclosed in the filing)		SEC
ALIMERA SCIENCES INCListing unverified	Aug 17, 2023	Other	13,431,616	1.70 USD	$22.8M		SEC
ALIMERA SCIENCES INCListing unverified	Aug 17, 2023	OtherD (derivative)	-2,924,761	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ALIMERA SCIENCES INCListing unverified	Aug 17, 2023	Other	2,924,761	2.10 USD	$6.1M		SEC
ALIMERA SCIENCES INCListing unverified	Aug 17, 2023	OtherD (derivative)	-13,431,616	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LABRANCHE & CO INCListing unverified	Jul 3, 2023	Other	-670,466	—	n/a (No price was disclosed in the filing)		SEC
LABRANCHE & CO INCListing unverified	Jul 3, 2023	Other	-108,879	—	n/a (No price was disclosed in the filing)		SEC
Liquidia CorpListing unverified	Sep 7, 2022	Buy	250,000	5.62 USD	$1.4M	conv 51ClusterUnusual size	SEC
LABRANCHE & CO INCListing unverified	Aug 5, 2022	Buy	255,173	1.75 USD	$446.6K	conv 14	SEC
LABRANCHE & CO INCListing unverified	Aug 5, 2022	Buy	46,009	1.74 USD	$80.1K	conv 7	SEC
LABRANCHE & CO INCListing unverified	Aug 2, 2022	Buy	272,618	1.64 USD	$447.1K	conv 13	SEC
LABRANCHE & CO INCListing unverified	Aug 2, 2022	Buy	210,200	1.48 USD	$311.1K	conv 8	SEC
LABRANCHE & CO INCListing unverified	Aug 2, 2022	Buy	137,648	1.42 USD	$195.5K	conv 9	SEC
Liquidia CorpListing unverified	Jun 22, 2022	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LABRANCHE & CO INCListing unverified	Jun 6, 2022	Buy	250,000	1.98 USD	$495K	conv 14	SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Diversified Energy CoListing on record	Jul 1, 2026	Award	276	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Liquidia CorpListing unverified	Jun 18, 2026	Award	5,882	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXELIXIS, INC.Listing on record	May 29, 2026	AwardD (derivative)	19,133	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Diversified Energy CoListing on record	Mar 18, 2026	Award	286	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Diversified Energy CoListing on record	Jan 7, 2026	Award	13,582	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Liquidia CorpListing unverified	Jun 20, 2025	Award	18,396	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXELIXIS, INC.Listing on record	May 30, 2024	Buy	200,000	20.32 USD	$4.1M	conv 59Unusual size	SEC
EXELIXIS, INC.Listing on record	May 30, 2024	Buy	225,000	20.76 USD	$4.7M	conv 53Unusual size	SEC
ALIMERA SCIENCES INCListing unverified	Sep 15, 2023	Buy	579,000	3.39 USD	$2M	conv 55Unusual sizeFirst in 12mo	SEC
ALIMERA SCIENCES INCListing unverified	Sep 15, 2023	Sell	-579,000	3.39 USD	$2M		SEC
ALIMERA SCIENCES INCListing unverified	Sep 15, 2023	OtherD (derivative)	1	—	n/a (No price was disclosed in the filing)		SEC
ALIMERA SCIENCES INCListing unverified	Aug 17, 2023	Other	13,431,616	1.70 USD	$22.8M		SEC
ALIMERA SCIENCES INCListing unverified	Aug 17, 2023	OtherD (derivative)	-2,924,761	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ALIMERA SCIENCES INCListing unverified	Aug 17, 2023	Other	2,924,761	2.10 USD	$6.1M		SEC
ALIMERA SCIENCES INCListing unverified	Aug 17, 2023	OtherD (derivative)	-13,431,616	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LABRANCHE & CO INCListing unverified	Jul 3, 2023	Other	-670,466	—	n/a (No price was disclosed in the filing)		SEC
LABRANCHE & CO INCListing unverified	Jul 3, 2023	Other	-108,879	—	n/a (No price was disclosed in the filing)		SEC
Liquidia CorpListing unverified	Sep 7, 2022	Buy	250,000	5.62 USD	$1.4M	conv 51ClusterUnusual size	SEC
LABRANCHE & CO INCListing unverified	Aug 5, 2022	Buy	255,173	1.75 USD	$446.6K	conv 14	SEC
LABRANCHE & CO INCListing unverified	Aug 5, 2022	Buy	46,009	1.74 USD	$80.1K	conv 7	SEC
LABRANCHE & CO INCListing unverified	Aug 2, 2022	Buy	272,618	1.64 USD	$447.1K	conv 13	SEC
LABRANCHE & CO INCListing unverified	Aug 2, 2022	Buy	210,200	1.48 USD	$311.1K	conv 8	SEC
LABRANCHE & CO INCListing unverified	Aug 2, 2022	Buy	137,648	1.42 USD	$195.5K	conv 9	SEC
Liquidia CorpListing unverified	Jun 22, 2022	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LABRANCHE & CO INCListing unverified	Jun 6, 2022	Buy	250,000	1.98 USD	$495K	conv 14	SEC