Lubner David Charles

Director at CARGO Therapeutics, Inc. · on record since Nov 13, 2023
Director at Arcellx, Inc. · on record since Apr 28, 2026
Director at Dyne Therapeutics, Inc. · on record since Apr 28, 2026
SVP and CFO at TETRAPHASE PHARMACEUTICALS INC · on record since Mar 27, 2013
10% owner at TETRAPHASE PHARMACEUTICALS INC · on record since Mar 27, 2013
Director at CRESCENT BIOPHARMA, INC. · on record since Jun 3, 2026
Director at Braveheart Bio, Inc. · on record since Aug 5, 2026
Director at Nightstar Therapeutics plc · on record since Jan 29, 2019
Executive VP and CFO at Ra Pharmaceuticals, Inc. · on record since Feb 3, 2017
Director at POINT Biopharma Global Inc. · on record since Jul 7, 2020
Director at Disc Medicine, Inc. · on record since Mar 15, 2021
Director at Vor Biopharma Inc. · on record since Feb 9, 2021

Insider trading activity of Lubner David Charles

Transactions on record: 114; since Mar 27, 2013

Open-market buys: 2; $1M

Open-market sells: 11; $3M

Companies traded: 11; last filing Aug 7, 2026

Figures computed from official regulatory filings — .

Companies where Lubner David Charles has traded

Braveheart Bio, Inc.2 tx · $1M · Aug 7, 2026
Dyne Therapeutics, Inc.13 tx · $499.8K · Jun 9, 2026
CRESCENT BIOPHARMA, INC.2 tx · Jun 3, 2026
Arcellx, Inc.17 tx · $487.7K · Apr 28, 2026
4 tx · Aug 19, 2025
5 tx · May 23, 2025
9 tx · $24.7K · Dec 27, 2023
3 tx · Mar 9, 2022
16 tx · $819K · Apr 3, 2020
4 tx · $1.2M · Jun 7, 2019
39 tx · $2.8M · Aug 17, 2015

Track record of Lubner David Charles

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

Transaction history of Lubner David Charles

Co-insiders of Lubner David Charles

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Braveheart Bio, Inc.Listing unverified	Aug 7, 2026	Buy	55,555	18.00 USD	$1M	conv 75ClusterFirst in 12mo	SEC
Braveheart Bio, Inc.Listing unverified	Aug 7, 2026	AwardD (derivative)	60,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Dyne Therapeutics, Inc.Listing unverified	Jun 9, 2026	AwardD (derivative)	35,152	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CRESCENT BIOPHARMA, INC.Listing unverified	Jun 3, 2026	AwardD (derivative)	11,050	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcellx, Inc.Listing unverified	Apr 28, 2026	OtherD (derivative)	-31,794	—	n/a (No price was disclosed in the filing)		SEC
Arcellx, Inc.Listing unverified	Apr 28, 2026	Other	-21,659	—	n/a (No price was disclosed in the filing)		SEC
Arcellx, Inc.Listing unverified	Apr 28, 2026	OtherD (derivative)	-61,538	—	n/a (No price was disclosed in the filing)		SEC
Arcellx, Inc.Listing unverified	Apr 28, 2026	OtherD (derivative)	-9,174	—	n/a (No price was disclosed in the filing)		SEC
Arcellx, Inc.Listing unverified	Apr 28, 2026	OtherD (derivative)	-59,405	—	n/a (No price was disclosed in the filing)		SEC
Dyne Therapeutics, Inc.Listing unverified	Apr 28, 2026	Gift	-53,625	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcellx, Inc.Listing unverified	Apr 28, 2026	OtherD (derivative)	-13,626	—	n/a (No price was disclosed in the filing)		SEC
Arcellx, Inc.Listing unverified	Apr 28, 2026	OtherD (derivative)	-11,459	—	n/a (No price was disclosed in the filing)		SEC
Arcellx, Inc.Listing unverified	Apr 28, 2026	OtherD (derivative)	-8,011	—	n/a (No price was disclosed in the filing)		SEC
Arcellx, Inc.Listing unverified	Jan 20, 2026	ExerciseD (derivative)	-6,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcellx, Inc.Listing unverified	Jan 20, 2026	Sell	-6,000	75.00 USD	$450K		SEC
Arcellx, Inc.Listing unverified	Jan 20, 2026	Exercise	6,000	6.28 USD	$37.7K		SEC
CARGO Therapeutics, Inc.Listing unverified	Aug 19, 2025	OtherD (derivative)	-25,000	—	n/a (No price was disclosed in the filing)		SEC
CRESCENT BIOPHARMA, INC.Listing unverified	Jun 23, 2025	AwardD (derivative)	9,023	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CARGO Therapeutics, Inc.Listing unverified	Jun 20, 2025	AwardD (derivative)	25,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Dyne Therapeutics, Inc.Listing unverified	Jun 3, 2025	AwardD (derivative)	35,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcellx, Inc.Listing unverified	May 30, 2025	AwardD (derivative)	9,174	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Vor Biopharma Inc.Listing on record	May 23, 2025	AwardD (derivative)	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CARGO Therapeutics, Inc.Listing unverified	Jun 6, 2024	AwardD (derivative)	23,742	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcellx, Inc.Listing unverified	Jun 6, 2024	AwardD (derivative)	8,011	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Vor Biopharma Inc.Listing on record	May 28, 2024	AwardD (derivative)	30,000	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
Braveheart Bio, Inc.Listing unverified	Aug 7, 2026	Buy	55,555	18.00 USD	$1M	conv 75ClusterFirst in 12mo	SEC
Braveheart Bio, Inc.Listing unverified	Aug 7, 2026	AwardD (derivative)	60,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Dyne Therapeutics, Inc.Listing unverified	Jun 9, 2026	AwardD (derivative)	35,152	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CRESCENT BIOPHARMA, INC.Listing unverified	Jun 3, 2026	AwardD (derivative)	11,050	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcellx, Inc.Listing unverified	Apr 28, 2026	OtherD (derivative)	-31,794	—	n/a (No price was disclosed in the filing)		SEC
Arcellx, Inc.Listing unverified	Apr 28, 2026	Other	-21,659	—	n/a (No price was disclosed in the filing)		SEC
Arcellx, Inc.Listing unverified	Apr 28, 2026	OtherD (derivative)	-61,538	—	n/a (No price was disclosed in the filing)		SEC
Arcellx, Inc.Listing unverified	Apr 28, 2026	OtherD (derivative)	-9,174	—	n/a (No price was disclosed in the filing)		SEC
Arcellx, Inc.Listing unverified	Apr 28, 2026	OtherD (derivative)	-59,405	—	n/a (No price was disclosed in the filing)		SEC
Dyne Therapeutics, Inc.Listing unverified	Apr 28, 2026	Gift	-53,625	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcellx, Inc.Listing unverified	Apr 28, 2026	OtherD (derivative)	-13,626	—	n/a (No price was disclosed in the filing)		SEC
Arcellx, Inc.Listing unverified	Apr 28, 2026	OtherD (derivative)	-11,459	—	n/a (No price was disclosed in the filing)		SEC
Arcellx, Inc.Listing unverified	Apr 28, 2026	OtherD (derivative)	-8,011	—	n/a (No price was disclosed in the filing)		SEC
Arcellx, Inc.Listing unverified	Jan 20, 2026	ExerciseD (derivative)	-6,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcellx, Inc.Listing unverified	Jan 20, 2026	Sell	-6,000	75.00 USD	$450K		SEC
Arcellx, Inc.Listing unverified	Jan 20, 2026	Exercise	6,000	6.28 USD	$37.7K		SEC
CARGO Therapeutics, Inc.Listing unverified	Aug 19, 2025	OtherD (derivative)	-25,000	—	n/a (No price was disclosed in the filing)		SEC
CRESCENT BIOPHARMA, INC.Listing unverified	Jun 23, 2025	AwardD (derivative)	9,023	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CARGO Therapeutics, Inc.Listing unverified	Jun 20, 2025	AwardD (derivative)	25,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Dyne Therapeutics, Inc.Listing unverified	Jun 3, 2025	AwardD (derivative)	35,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcellx, Inc.Listing unverified	May 30, 2025	AwardD (derivative)	9,174	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Vor Biopharma Inc.Listing on record	May 23, 2025	AwardD (derivative)	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CARGO Therapeutics, Inc.Listing unverified	Jun 6, 2024	AwardD (derivative)	23,742	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcellx, Inc.Listing unverified	Jun 6, 2024	AwardD (derivative)	8,011	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Vor Biopharma Inc.Listing on record	May 28, 2024	AwardD (derivative)	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC