HENDERSON CAL

PrivateCIK: 1775683

Location

SAN FRANCISCO, CA

HENDERSON CAL

Filed: 12/30/2020ACC: 0001764925-20-000678

InsiderHENDERSON CALCIK 1775683

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IssuerSLACK TECHNOLOGIES, INC.CIK 1764925

Officer· Chief Technology Officer

Since Jun 2019

-1.80M

Net shares

Net seller

$0.00

Total acquired

0

Open market trades

0B · 0S

1

Total transactions

1.80M disposed

Non-Derivative Transactions0

No non-derivative transactions reported

Derivative Transactions1

Class B Common Stock

Indirect

G · Gift

Converts to

Class A Common Stock

1.80M shares

Shares

−1.80M

Strike price

Held after

13.22M

Exercisable

—

12/28/2020

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Class B Common Stock Indirect	Class A Common Stock1.80M shares	12/28/2020	G · Gift	−1.80M		—	13.22M

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)7

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

68.72K

Shares owned

68.72K

Exercise price

Expiration

—

Exercise window

—

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

222.20K

Shares owned

222.20K

Exercise price

Expiration

—

Exercise window

—

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

222.20K

Shares owned

222.20K

Exercise price

Expiration

—

Exercise window

—

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

30.04K

Shares owned

30.04K

Exercise price

Expiration

—

Exercise window

—

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

68.72K

Shares owned

68.72K

Exercise price

Expiration

—

Exercise window

—

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

222.20K

Shares owned

222.20K

Exercise price

Expiration

—

Exercise window

—

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

222.20K

Shares owned

222.20K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

1.06M

Owned

1.06M

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Class B Common Stock Indirect	Class A Common Stock		—	—	68.72K	68.72K
Class B Common Stock Indirect	Class A Common Stock		—	—	222.20K	222.20K
Class B Common Stock Indirect	Class A Common Stock		—	—	222.20K	222.20K
Class B Common Stock Indirect	Class A Common Stock		—	—	30.04K	30.04K
Class B Common Stock Indirect	Class A Common Stock		—	—	68.72K	68.72K
Class B Common Stock Indirect	Class A Common Stock		—	—	222.20K	222.20K
Class B Common Stock Indirect	Class A Common Stock		—	—	222.20K	222.20K
Total					1.06M	1.06M