Dorsey Jack

Director at TWDC Enterprises 18 Corp. · on record since Dec 30, 2013
Director at TWITTER, INC. · on record since Aug 10, 2015
Director at Block, Inc. · on record since Nov 24, 2015
10% owner at Block, Inc. · on record since Nov 24, 2015
Chief Executive Officer at TWITTER, INC. · on record since May 27, 2016
Block Head and Chairperson at Block, Inc. · on record since Nov 24, 2015
Possible member of 10% group at TWITTER, INC. · on record since Oct 31, 2022

Insider trading activity of Dorsey Jack

Transactions on record: 602; since Jan 3, 2014

Open-market buys: 4; $17.4M

Open-market sells: 338; $1B

Companies traded: 3; last filing Jun 3, 2025

Figures computed from official regulatory filings — .

Companies where Dorsey Jack has traded

Block, Inc.560 tx · $985.2M · Jun 3, 2025
TWITTER, INC.25 tx · $40.8M · Oct 31, 2022
TWDC Enterprises 18 Corp.17 tx · $976.1K · Jan 3, 2018

Track record of Dorsey Jack

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

Transaction history of Dorsey Jack

Co-insiders of Dorsey Jack

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
Block, Inc.Listing on record	Jun 3, 2025	Gift	-2,391	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Block, Inc.Listing on record	Jun 3, 2025	Gift	2,391	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
TWITTER, INC.Listing unverified	Oct 31, 2022	Other	-18,042,428	—	n/a (No price was disclosed in the filing)	SEC
Block, Inc.Listing on record	Jun 1, 2022	OtherD (derivative)	-1,000,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Block, Inc.Listing on record	Jun 1, 2022	Other	1,000,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Block, Inc.Listing on record	May 19, 2021	Sell	-23,986	203.30 USD	$4.9M	SEC
Block, Inc.Listing on record	May 19, 2021	Sell	-19,083	201.16 USD	$3.8M	SEC
Block, Inc.Listing on record	May 19, 2021	Sell	-10,989	200.43 USD	$2.2M	SEC
Block, Inc.Listing on record	May 19, 2021	Other	100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Block, Inc.Listing on record	May 19, 2021	OtherD (derivative)	-100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Block, Inc.Listing on record	May 19, 2021	Sell	-8,300	204.13 USD	$1.7M	SEC
Block, Inc.Listing on record	May 19, 2021	Sell	-7,250	205.00 USD	$1.5M	SEC
Block, Inc.Listing on record	May 19, 2021	Sell	-13,292	202.40 USD	$2.7M	SEC
Block, Inc.Listing on record	May 19, 2021	Sell	-17,100	199.39 USD	$3.4M	SEC
Block, Inc.Listing on record	May 12, 2021	Sell	-24,620	226.64 USD	$5.6M	SEC
Block, Inc.Listing on record	May 12, 2021	Sell	-7,088	229.51 USD	$1.6M	SEC
Block, Inc.Listing on record	May 12, 2021	Sell	-11,689	223.56 USD	$2.6M	SEC
Block, Inc.Listing on record	May 12, 2021	Other	100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Block, Inc.Listing on record	May 12, 2021	Sell	-11,139	225.40 USD	$2.5M	SEC
Block, Inc.Listing on record	May 12, 2021	Sell	-2,757	228.21 USD	$629.2K	SEC
Block, Inc.Listing on record	May 12, 2021	Sell	-8,949	227.58 USD	$2M	SEC
Block, Inc.Listing on record	May 12, 2021	Sell	-15,141	222.57 USD	$3.4M	SEC
Block, Inc.Listing on record	May 12, 2021	Sell	-18,617	224.56 USD	$4.2M	SEC
Block, Inc.Listing on record	May 12, 2021	OtherD (derivative)	-100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Block, Inc.Listing on record	May 5, 2021	Other	100,000	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	Src
Block, Inc.Listing on record	Jun 3, 2025	Gift	-2,391	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Block, Inc.Listing on record	Jun 3, 2025	Gift	2,391	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
TWITTER, INC.Listing unverified	Oct 31, 2022	Other	-18,042,428	—	n/a (No price was disclosed in the filing)	SEC
Block, Inc.Listing on record	Jun 1, 2022	OtherD (derivative)	-1,000,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Block, Inc.Listing on record	Jun 1, 2022	Other	1,000,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Block, Inc.Listing on record	May 19, 2021	Sell	-23,986	203.30 USD	$4.9M	SEC
Block, Inc.Listing on record	May 19, 2021	Sell	-19,083	201.16 USD	$3.8M	SEC
Block, Inc.Listing on record	May 19, 2021	Sell	-10,989	200.43 USD	$2.2M	SEC
Block, Inc.Listing on record	May 19, 2021	Other	100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Block, Inc.Listing on record	May 19, 2021	OtherD (derivative)	-100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Block, Inc.Listing on record	May 19, 2021	Sell	-8,300	204.13 USD	$1.7M	SEC
Block, Inc.Listing on record	May 19, 2021	Sell	-7,250	205.00 USD	$1.5M	SEC
Block, Inc.Listing on record	May 19, 2021	Sell	-13,292	202.40 USD	$2.7M	SEC
Block, Inc.Listing on record	May 19, 2021	Sell	-17,100	199.39 USD	$3.4M	SEC
Block, Inc.Listing on record	May 12, 2021	Sell	-24,620	226.64 USD	$5.6M	SEC
Block, Inc.Listing on record	May 12, 2021	Sell	-7,088	229.51 USD	$1.6M	SEC
Block, Inc.Listing on record	May 12, 2021	Sell	-11,689	223.56 USD	$2.6M	SEC
Block, Inc.Listing on record	May 12, 2021	Other	100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Block, Inc.Listing on record	May 12, 2021	Sell	-11,139	225.40 USD	$2.5M	SEC
Block, Inc.Listing on record	May 12, 2021	Sell	-2,757	228.21 USD	$629.2K	SEC
Block, Inc.Listing on record	May 12, 2021	Sell	-8,949	227.58 USD	$2M	SEC
Block, Inc.Listing on record	May 12, 2021	Sell	-15,141	222.57 USD	$3.4M	SEC
Block, Inc.Listing on record	May 12, 2021	Sell	-18,617	224.56 USD	$4.2M	SEC
Block, Inc.Listing on record	May 12, 2021	OtherD (derivative)	-100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Block, Inc.Listing on record	May 5, 2021	Other	100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC