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Accel Investors 2009 L.L.C.

Disclosed activity across 1 company

Tapewire entity
149793
SEC CIK
0001494979

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Slack Technologies, Inc.WORK · Entity 13710810% ownerApril 15, 2020April 17, 2020

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Slack Technologies, Inc.

Report date April 15, 2020 · Filed April 17, 2020

Jointly reported with Accel X LP, ACCEL X STRATEGIC PARTNERS LP, Accel X Associates L.L.C.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeDirect986,370 Reported balance After 2020-04-15 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2020-04-15 · Other · Disposed 3,048,780 · Balance 986,370

F1: On April 15, 2020, Accel X L.P. distributed, for no consideration, 3,048,780 shares of Class A common stock of the Issuer (the "Accel X Shares") to its limited partners and to Accel X Associates L.L.C. ("Accel X GP"), the general partner of Accel X L.P., representing each such partner's pro rata interest in such Accel X Shares. On the same date, Accel X GP distributed, for no consideration, the Accel X Shares it received in the distribution by Accel X L.P. to its members, representing each such member's pro rata interest in such Accel X Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2: These shares are held by Accel X L.P. Accel X GP is the general partner of each of Accel X L.P. and Accel X Strategic Partners L.P. (together, the "Accel X Entities"). Accel X GP has sole voting and dispositive power with regard to the shares held by the Accel X Entities. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Class A Common StockSEC Table I · non-derivativeIndirectBy Accel X Strategic Partners L.P.74,030 Reported balance After 2020-04-15 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2020-04-15 · Other · Disposed 228,820 · Balance 74,030

F3: On April 15, 2020, Accel X Strategic Partners L.P. distributed, for no consideration, 228,820 shares of Class A common stock of the Issuer (the "Accel X Strategic Shares") to its limited partners and to Accel X GP, the general partner of Accel X Strategic Partners L.P., representing each such partner's pro rata interest in such Accel X Strategic Shares. On the same date, Accel X GP distributed, for no consideration, the Accel X Strategic Shares it received in the distribution by Accel X Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel X Strategic Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4: These shares are held by Accel X Strategic Partners L.P. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Class A Common StockSEC Table I · non-derivativeIndirectBy Accel Investors 2009 L.L.C.39,600 Reported balance After 2020-04-15 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 3 · 2020-04-15 · Other · Disposed 122,400 · Balance 39,600

F5: On April 15, 2020, Accel Investors 2009 L.L.C. distributed, for no consideration, 122,400 shares of Class A common stock of the Issuer (the "Accel 2009 Shares") to its members, representing each such member's pro rata interest in such Accel 2009 Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6: These shares are held by Accel Investors 2009 L.L.C.

Filing footnotes · ownership attribution and instrument terms

F1: On April 15, 2020, Accel X L.P. distributed, for no consideration, 3,048,780 shares of Class A common stock of the Issuer (the "Accel X Shares") to its limited partners and to Accel X Associates L.L.C. ("Accel X GP"), the general partner of Accel X L.P., representing each such partner's pro rata interest in such Accel X Shares. On the same date, Accel X GP distributed, for no consideration, the Accel X Shares it received in the distribution by Accel X L.P. to its members, representing each such member's pro rata interest in such Accel X Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2: These shares are held by Accel X L.P. Accel X GP is the general partner of each of Accel X L.P. and Accel X Strategic Partners L.P. (together, the "Accel X Entities"). Accel X GP has sole voting and dispositive power with regard to the shares held by the Accel X Entities. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

F3: On April 15, 2020, Accel X Strategic Partners L.P. distributed, for no consideration, 228,820 shares of Class A common stock of the Issuer (the "Accel X Strategic Shares") to its limited partners and to Accel X GP, the general partner of Accel X Strategic Partners L.P., representing each such partner's pro rata interest in such Accel X Strategic Shares. On the same date, Accel X GP distributed, for no consideration, the Accel X Strategic Shares it received in the distribution by Accel X Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel X Strategic Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4: These shares are held by Accel X Strategic Partners L.P. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

F5: On April 15, 2020, Accel Investors 2009 L.L.C. distributed, for no consideration, 122,400 shares of Class A common stock of the Issuer (the "Accel 2009 Shares") to its members, representing each such member's pro rata interest in such Accel 2009 Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6: These shares are held by Accel Investors 2009 L.L.C.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
October 11, 2019 Filed Oct 15, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass B Common Stock · Derivative 4,483,500 $0.00 $0.00
Disclosure

SEC source: 0000899243-19-025587 · doc4.xml · derivative · entry 7

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,131,670

Underlying: Class A Common Stock · 4,483,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.direct: These shares are held by Accel X L.P. Accel X Associates L.L.C. ("Accel X GP") is the general partner of each of Accel X L.P. and Accel X Strategic Partners L.P. (together, the "Accel X Entities"). Accel X GP has sole voting and dispositive power with regard to the shares held by the Accel X Entities. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
October 11, 2019 Filed Oct 15, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 OtherClass A Common Stock 180,000 $0.00 $0.00
Disclosure

SEC source: 0000899243-19-025587 · doc4.xml · nonDerivative · entry 6

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2009 L.L.C.

Disclosed balance after: 0

F7 · kind: On October 11, 2019, Accel Investors 2009 L.L.C. distributed, for no consideration, 180,000 shares of Class A common stock of the Issuer (the "Accel 2009 Shares") to its members, representing each such member's pro rata interest in such Accel 2009 Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Investors 2009 L.L.C.

Read SEC document
October 11, 2019 Filed Oct 15, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 180,000 $0.00 $0.00
Disclosure

SEC source: 0000899243-19-025587 · doc4.xml · nonDerivative · entry 5

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2009 L.L.C.

Disclosed balance after: 180,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · ownership.nature: These shares are held by Accel Investors 2009 L.L.C.

Read SEC document
October 11, 2019 Filed Oct 15, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 OtherClass A Common Stock 336,500 $0.00 $0.00
Disclosure

SEC source: 0000899243-19-025587 · doc4.xml · nonDerivative · entry 4

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel X Strategic Partners L.P.

Disclosed balance after: 0

F5 · kind: On October 11, 2019, Accel X Strategic Partners L.P. distributed, for no consideration, 336,500 shares of Class A common stock of the Issuer (the "Accel X Strategic Shares") to its limited partners and to Accel X GP, the general partner of Accel X Strategic Partners L.P., representing each such partner's pro rata interest in such Accel X Strategic Shares. On the same date, Accel X GP distributed, for no consideration, the Accel X Strategic Shares it received in the distribution by the Fund to its members, representing each such member's pro rata interest in such Accel X Strategic Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel X Strategic Partners L.P. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
October 11, 2019 Filed Oct 15, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 336,500 $0.00 $0.00
Disclosure

SEC source: 0000899243-19-025587 · doc4.xml · nonDerivative · entry 3

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel X Strategic Partners L.P.

Disclosed balance after: 336,500

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · ownership.nature: These shares are held by Accel X Strategic Partners L.P. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
October 11, 2019 Filed Oct 15, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 OtherClass A Common Stock 4,483,500 $0.00 $0.00
Disclosure

SEC source: 0000899243-19-025587 · doc4.xml · nonDerivative · entry 2

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F3 · kind: On October 11, 2019, Accel X L.P. distributed, for no consideration, 4,483,500 shares of Class A common stock of the Issuer (the "Accel X Shares") to its limited partners and to Accel X GP, the general partner of Accel X L.P., representing each such partner's pro rata interest in such Accel X Shares. On the same date, Accel X GP distributed, for no consideration, the Accel X Shares it received in the distribution by Accel X L.P. to its members, representing each such member's pro rata interest in such Accel X Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.direct: These shares are held by Accel X L.P. Accel X Associates L.L.C. ("Accel X GP") is the general partner of each of Accel X L.P. and Accel X Strategic Partners L.P. (together, the "Accel X Entities"). Accel X GP has sole voting and dispositive power with regard to the shares held by the Accel X Entities. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
October 11, 2019 Filed Oct 15, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 4,483,500 $0.00 $0.00
Disclosure

SEC source: 0000899243-19-025587 · doc4.xml · nonDerivative · entry 1

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,483,500

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.direct: These shares are held by Accel X L.P. Accel X Associates L.L.C. ("Accel X GP") is the general partner of each of Accel X L.P. and Accel X Strategic Partners L.P. (together, the "Accel X Entities"). Accel X GP has sole voting and dispositive power with regard to the shares held by the Accel X Entities. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
July 11, 2019 Filed Jul 15, 2019 18:05 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass B Common Stock · Derivative 193,627 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008759 · wf-form4_156322830061960.xml · derivative · entry 9

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2009 L.L.C

Disclosed balance after: 1,871,490

Underlying: Class A Common Stock · 193,627 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · ownership.nature: These shares are held by Accel Investors 2009 L.L.C.

Read SEC document
July 11, 2019 Filed Jul 15, 2019 18:05 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass B Common Stock · Derivative 361,977 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008759 · wf-form4_156322830061960.xml · derivative · entry 8

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel X Strategic Partners L.P

Disclosed balance after: 3,498,640

Underlying: Class A Common Stock · 361,977 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · ownership.nature: These shares are held by Accel X Strategic Partners L.P. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
July 11, 2019 Filed Jul 15, 2019 18:05 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass B Common Stock · Derivative 4,823,070 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008759 · wf-form4_156322830061960.xml · derivative · entry 7

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,615,170

Underlying: Class A Common Stock · 4,823,070 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.direct: These shares are held by Accel X L.P. Accel X Associates L.L.C. ("Accel X GP") is the general partner of each of Accel X L.P. and Accel X Strategic Partners L.P. (together, the "Accel X Entities"). Accel X GP has sole voting and dispositive power with regard to the shares held by the Accel X Entities. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
July 11, 2019 Filed Jul 15, 2019 18:05 UTC Slack Technologies, Inc. WORK · Entity 137108 OtherClass A Common Stock 216,000 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008759 · wf-form4_156322830061960.xml · nonDerivative · entry 6

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2009 L.L.C

Disclosed balance after: 0

F7 · kind: On July 11, 2019, Accel Investors 2009 L.L.C. distributed, for no consideration, 216,000 shares of Class A common stock of the Issuer (the "Accel 2009 Shares") to its members, representing each such member's pro rata interest in such Accel 2009 Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Investors 2009 L.L.C.

Read SEC document
July 11, 2019 Filed Jul 15, 2019 18:05 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 193,627 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008759 · wf-form4_156322830061960.xml · nonDerivative · entry 5

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2009 L.L.C

Disclosed balance after: 216,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · ownership.nature: These shares are held by Accel Investors 2009 L.L.C.

Read SEC document
July 11, 2019 Filed Jul 15, 2019 18:05 UTC Slack Technologies, Inc. WORK · Entity 137108 OtherClass A Common Stock 403,800 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008759 · wf-form4_156322830061960.xml · nonDerivative · entry 4

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel X Strategic Partners L.P.

Disclosed balance after: 0

F5 · kind: On July 11, 2019, Accel X Strategic Partners L.P. distributed, for no consideration, 403,800 shares of Class A common stock of the Issuer (the "Accel X Strategic Shares") to its limited partners and to Accel X GP, the general partner of Accel X Strategic Partners L.P., representing each such partner's pro rata interest in such Accel X Strategic Shares. On the same date, Accel X GP distributed, for no consideration, the Accel X Strategic Shares it received in the distribution by the Fund to its members, representing each such member's pro rata interest in such Accel X Strategic Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel X Strategic Partners L.P. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
July 11, 2019 Filed Jul 15, 2019 18:05 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 361,977 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008759 · wf-form4_156322830061960.xml · nonDerivative · entry 3

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel X Strategic Partners L.P.

Disclosed balance after: 403,800

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · ownership.nature: These shares are held by Accel X Strategic Partners L.P. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
July 11, 2019 Filed Jul 15, 2019 18:05 UTC Slack Technologies, Inc. WORK · Entity 137108 OtherClass A Common Stock 5,380,200 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008759 · wf-form4_156322830061960.xml · nonDerivative · entry 2

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F3 · kind: On July 11, 2019, Accel X L.P. distributed, for no consideration, 5,380,200 shares of Class A common stock of the Issuer (the "Accel X Shares") to its limited partners and to Accel X GP, the general partner of Accel X L.P., representing each such partner's pro rata interest in such Accel X Shares. On the same date, Accel X GP distributed, for no consideration, the Accel X Shares it received in the distribution by Accel X L.P. to its members, representing each such member's pro rata interest in such Accel X Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.direct: These shares are held by Accel X L.P. Accel X Associates L.L.C. ("Accel X GP") is the general partner of each of Accel X L.P. and Accel X Strategic Partners L.P. (together, the "Accel X Entities"). Accel X GP has sole voting and dispositive power with regard to the shares held by the Accel X Entities. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
July 11, 2019 Filed Jul 15, 2019 18:05 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 4,823,070 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008759 · wf-form4_156322830061960.xml · nonDerivative · entry 1

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,380,200

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.direct: These shares are held by Accel X L.P. Accel X Associates L.L.C. ("Accel X GP") is the general partner of each of Accel X L.P. and Accel X Strategic Partners L.P. (together, the "Accel X Entities"). Accel X GP has sole voting and dispositive power with regard to the shares held by the Accel X Entities. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
June 20, 2019 Filed Jun 24, 2019 20:52 UTC Slack Technologies, Inc. WORK · Entity 137108 OtherClass A Common Stock 360,000 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008300 · wf-form4_156142396022444.xml · nonDerivative · entry 9

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2009 L.L.C

Disclosed balance after: 22,373

F7 · kind: On June 20, 2019, Accel Investors 2009 L.L.C. distributed, for no consideration, 360,000 shares of Class A common stock of the Issuer (the "Accel 2009 Shares") to its members, representing each such member's pro rata interest in such Accel 2009 Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Investors 2009 L.L.C.

Read SEC document
June 20, 2019 Filed Jun 24, 2019 20:52 UTC Slack Technologies, Inc. WORK · Entity 137108 SaleClass A Common Stock 36,000 $40.76 $1,467,360.00
Disclosure

SEC source: 0001628280-19-008300 · wf-form4_156142396022444.xml · nonDerivative · entry 8

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2009 L.L.C

Disclosed balance after: 382,373

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.50 to $41.05. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 · ownership.nature: These shares are held by Accel Investors 2009 L.L.C.

Read SEC document
June 20, 2019 Filed Jun 24, 2019 20:52 UTC Slack Technologies, Inc. WORK · Entity 137108 SaleClass A Common Stock 270,000 $38.50 $10,395,000.00
Disclosure

SEC source: 0001628280-19-008300 · wf-form4_156142396022444.xml · nonDerivative · entry 7

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2009 L.L.C

Disclosed balance after: 418,373

F6 · ownership.nature: These shares are held by Accel Investors 2009 L.L.C.

Read SEC document
June 20, 2019 Filed Jun 24, 2019 20:52 UTC Slack Technologies, Inc. WORK · Entity 137108 OtherClass A Common Stock 673,000 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008300 · wf-form4_156142396022444.xml · nonDerivative · entry 6

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel X Strategic Partners L.P.

Disclosed balance after: 41,823

F5 · kind: On June 20, 2019, Accel X Strategic Partners L.P. distributed, for no consideration, 673,000 shares of Class A common stock of the Issuer (the "Accel X Strategic Shares") to its limited partners and to Accel X GP, the general partner of Accel X Strategic Partners L.P., representing each such partner's pro rata interest in such Accel X Strategic Shares. On the same date, Accel X GP distributed, for no consideration, the Accel X Strategic Shares it received in the distribution by the Fund to its members, representing each such member's pro rata interest in such Accel X Strategic Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel X Strategic Partners L.P. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
June 20, 2019 Filed Jun 24, 2019 20:52 UTC Slack Technologies, Inc. WORK · Entity 137108 SaleClass A Common Stock 67,300 $40.76 $2,743,148.00
Disclosure

SEC source: 0001628280-19-008300 · wf-form4_156142396022444.xml · nonDerivative · entry 5

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel X Strategic Partners L.P.

Disclosed balance after: 714,823

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.50 to $41.05. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: These shares are held by Accel X Strategic Partners L.P. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
June 20, 2019 Filed Jun 24, 2019 20:52 UTC Slack Technologies, Inc. WORK · Entity 137108 SaleClass A Common Stock 504,750 $38.50 $19,432,875.00
Disclosure

SEC source: 0001628280-19-008300 · wf-form4_156142396022444.xml · nonDerivative · entry 4

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel X Strategic Partners L.P.

Disclosed balance after: 782,123

F4 · ownership.nature: These shares are held by Accel X Strategic Partners L.P. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
June 20, 2019 Filed Jun 24, 2019 20:52 UTC Slack Technologies, Inc. WORK · Entity 137108 OtherClass A Common Stock 8,967,000 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008300 · wf-form4_156142396022444.xml · nonDerivative · entry 3

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 557,130

F3 · kind: On June 20, 2019, Accel X L.P. distributed, for no consideration, 8,967,000 shares of Class A common stock of the Issuer (the "Accel X Shares") to its limited partners and to Accel X GP, the general partner of Accel X L.P., representing each such partner's pro rata interest in such Accel X Shares. On the same date, Accel X GP distributed, for no consideration, the Accel X Shares it received in the distribution by Accel X L.P. to its members, representing each such member's pro rata interest in such Accel X Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F1 · ownership.direct: These shares are held by Accel X L.P. Accel X Associates L.L.C. ("Accel X GP") is the general partner of each of Accel X L.P. and Accel X Strategic Partners L.P. (together, the "Accel X Entities"). Accel X GP has sole voting and dispositive power with regard to the shares held by the Accel X Entities. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
June 20, 2019 Filed Jun 24, 2019 20:52 UTC Slack Technologies, Inc. WORK · Entity 137108 SaleClass A Common Stock 896,700 $40.76 $36,549,492.00
Disclosure

SEC source: 0001628280-19-008300 · wf-form4_156142396022444.xml · nonDerivative · entry 2

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,524,130

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.50 to $41.05. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F1 · ownership.direct: These shares are held by Accel X L.P. Accel X Associates L.L.C. ("Accel X GP") is the general partner of each of Accel X L.P. and Accel X Strategic Partners L.P. (together, the "Accel X Entities"). Accel X GP has sole voting and dispositive power with regard to the shares held by the Accel X Entities. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
June 20, 2019 Filed Jun 24, 2019 20:52 UTC Slack Technologies, Inc. WORK · Entity 137108 SaleClass A Common Stock 6,725,250 $38.50 $258,922,125.00
Disclosure

SEC source: 0001628280-19-008300 · wf-form4_156142396022444.xml · nonDerivative · entry 1

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,420,830

F1 · ownership.direct: These shares are held by Accel X L.P. Accel X Associates L.L.C. ("Accel X GP") is the general partner of each of Accel X L.P. and Accel X Strategic Partners L.P. (together, the "Accel X Entities"). Accel X GP has sole voting and dispositive power with regard to the shares held by the Accel X Entities. Accel X GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

Read SEC document
June 11, 2019 Filed Jun 12, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass B Common Stock · Derivative 387,596 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-007932 · wf-form4_156038051069704.xml · derivative · entry 12

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2013 L.L.C.

Disclosed balance after: 1,162,788

Underlying: Class A Common Stock · 387,596 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · ownership.nature: These shares are held by Accel Investors 2013 L.L.C. The managing members of Accel Investors 2013 L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong, all of whom share voting and dispositive power with regard to the shares held by Accel Investors 2013 L.L.C.

Read SEC document
June 11, 2019 Filed Jun 12, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass B Common Stock · Derivative 274,210 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-007932 · wf-form4_156038051069704.xml · derivative · entry 11

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel XI Strategic Partners L.P.

Disclosed balance after: 822,630

Underlying: Class A Common Stock · 274,210 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · ownership.nature: These shares are held by Accel XI Strategic Partners L.P. Accel XI Associates L.L.C. is the general partner of each of the Accel XI Entities. The managing members of Accel XI Associates L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong. Accel XI Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel XI Entities, and its managing members share such powers.

Read SEC document
June 11, 2019 Filed Jun 12, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass B Common Stock · Derivative 3,649,641 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-007932 · wf-form4_156038051069704.xml · derivative · entry 10

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel XI L.P.

Disclosed balance after: 10,948,923

Underlying: Class A Common Stock · 3,649,641 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · ownership.nature: These shares are held by Accel XI LP. Accel XI Associates L.L.C. is the general partner each of Accel XI L.P. and Accel XI Strategic Partners L.P. (together, the "Accel XI Entities"). The managing members of Accel XI Associates L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong. Accel XI Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel XI Entities, and its managing members share such powers.

Read SEC document
June 11, 2019 Filed Jun 12, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass B Common Stock · Derivative 688,373 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-007932 · wf-form4_156038051069704.xml · derivative · entry 9

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2009 L.L.C

Disclosed balance after: 2,065,117

Underlying: Class A Common Stock · 688,373 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: These shares are held by Accel Investors 2009 L.L.C. The managing member of Accel Investors 2009 L.L.C. are Andrew G. Braccia, Kevin J. Efrusy, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong, all of whom share voting and dispositive power with regard to the shares held by Accel Investors 2009 L.L.C.

Read SEC document
June 11, 2019 Filed Jun 12, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass B Common Stock · Derivative 1,286,873 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-007932 · wf-form4_156038051069704.xml · derivative · entry 8

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel X Strategic Partners L.P

Disclosed balance after: 3,860,617

Underlying: Class A Common Stock · 1,286,873 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: These shares are held by Accel X Strategic Partners L.P. Accel X Associates L.L.C. is the general partner of each of the Accel X Entities. The managing members of Accel X Associates L.L.C. are Andrew G. Braccia, Kevin J. Efrusy, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong. Accel X Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel X Entities, and its managing members share such powers.

Read SEC document
June 11, 2019 Filed Jun 12, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass B Common Stock · Derivative 17,146,080 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-007932 · wf-form4_156038051069704.xml · derivative · entry 7

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,438,240

Underlying: Class A Common Stock · 17,146,080 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

Read SEC document
June 11, 2019 Filed Jun 12, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 387,596 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-007932 · wf-form4_156038051069704.xml · nonDerivative · entry 6

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2013 L.L.C.

Disclosed balance after: 387,596

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · ownership.nature: These shares are held by Accel Investors 2013 L.L.C. The managing members of Accel Investors 2013 L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong, all of whom share voting and dispositive power with regard to the shares held by Accel Investors 2013 L.L.C.

Read SEC document
June 11, 2019 Filed Jun 12, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 274,210 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-007932 · wf-form4_156038051069704.xml · nonDerivative · entry 5

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel XI Strategic Partners L.P.

Disclosed balance after: 274,210

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · ownership.nature: These shares are held by Accel XI Strategic Partners L.P. Accel XI Associates L.L.C. is the general partner of each of the Accel XI Entities. The managing members of Accel XI Associates L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong. Accel XI Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel XI Entities, and its managing members share such powers.

Read SEC document
June 11, 2019 Filed Jun 12, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 3,649,641 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-007932 · wf-form4_156038051069704.xml · nonDerivative · entry 4

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel XI L.P.

Disclosed balance after: 3,649,641

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · ownership.nature: These shares are held by Accel XI LP. Accel XI Associates L.L.C. is the general partner each of Accel XI L.P. and Accel XI Strategic Partners L.P. (together, the "Accel XI Entities"). The managing members of Accel XI Associates L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong. Accel XI Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel XI Entities, and its managing members share such powers.

Read SEC document
June 11, 2019 Filed Jun 12, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 688,373 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-007932 · wf-form4_156038051069704.xml · nonDerivative · entry 3

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2009 L.L.C

Disclosed balance after: 688,373

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: These shares are held by Accel Investors 2009 L.L.C. The managing member of Accel Investors 2009 L.L.C. are Andrew G. Braccia, Kevin J. Efrusy, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong, all of whom share voting and dispositive power with regard to the shares held by Accel Investors 2009 L.L.C.

Read SEC document
June 11, 2019 Filed Jun 12, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 1,286,873 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-007932 · wf-form4_156038051069704.xml · nonDerivative · entry 2

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel X Strategic Partners L.P.

Disclosed balance after: 1,286,873

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: These shares are held by Accel X Strategic Partners L.P. Accel X Associates L.L.C. is the general partner of each of the Accel X Entities. The managing members of Accel X Associates L.L.C. are Andrew G. Braccia, Kevin J. Efrusy, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong. Accel X Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel X Entities, and its managing members share such powers.

Read SEC document
June 11, 2019 Filed Jun 12, 2019 19:02 UTC Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 17,146,080 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-007932 · wf-form4_156038051069704.xml · nonDerivative · entry 1

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,146,080

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

Read SEC document
June 11, 2019 Filed Jun 14, 2019 20:06 UTC Amendment Slack Technologies, Inc. WORK · Entity 137108 ConversionClass B Common Stock · Derivative 387,596 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008020 · wf-form4a_156055715071246.xml · derivative · entry 12

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2013 L.L.C.

Disclosed balance after: 1,162,788

Underlying: Class A Common Stock · 387,596 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F7 · shares: Due to a clerical error, the Form 4 filed on June 12, 2019 inadvertently reflected in Column 5 of Table II that, in connection with the conversion of shares of Class B Common Stock to Class A Common Stock, shares of Class B Common Stock were acquired rather than disposed of. This amendment is being filed to correct Column 5 of Table II. All other information set forth in the June 12, 2019 Form 4 remains correct and is restated in its entirety.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · ownership.nature: These shares are held by Accel Investors 2013 L.L.C. The managing members of Accel Investors 2013 L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong, all of whom share voting and dispositive power with regard to the shares held by Accel Investors 2013 L.L.C.

Read SEC document
June 11, 2019 Filed Jun 14, 2019 20:06 UTC Amendment Slack Technologies, Inc. WORK · Entity 137108 ConversionClass B Common Stock · Derivative 274,210 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008020 · wf-form4a_156055715071246.xml · derivative · entry 11

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel XI Strategic Partners L.P.

Disclosed balance after: 822,630

Underlying: Class A Common Stock · 274,210 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F7 · shares: Due to a clerical error, the Form 4 filed on June 12, 2019 inadvertently reflected in Column 5 of Table II that, in connection with the conversion of shares of Class B Common Stock to Class A Common Stock, shares of Class B Common Stock were acquired rather than disposed of. This amendment is being filed to correct Column 5 of Table II. All other information set forth in the June 12, 2019 Form 4 remains correct and is restated in its entirety.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · ownership.nature: These shares are held by Accel XI Strategic Partners L.P. Accel XI Associates L.L.C. is the general partner of each of the Accel XI Entities. The managing members of Accel XI Associates L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong. Accel XI Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel XI Entities, and its managing members share such powers.

Read SEC document
June 11, 2019 Filed Jun 14, 2019 20:06 UTC Amendment Slack Technologies, Inc. WORK · Entity 137108 ConversionClass B Common Stock · Derivative 3,649,641 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008020 · wf-form4a_156055715071246.xml · derivative · entry 10

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel XI L.P.

Disclosed balance after: 10,948,923

Underlying: Class A Common Stock · 3,649,641 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F7 · shares: Due to a clerical error, the Form 4 filed on June 12, 2019 inadvertently reflected in Column 5 of Table II that, in connection with the conversion of shares of Class B Common Stock to Class A Common Stock, shares of Class B Common Stock were acquired rather than disposed of. This amendment is being filed to correct Column 5 of Table II. All other information set forth in the June 12, 2019 Form 4 remains correct and is restated in its entirety.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · ownership.nature: These shares are held by Accel XI LP. Accel XI Associates L.L.C. is the general partner each of Accel XI L.P. and Accel XI Strategic Partners L.P. (together, the "Accel XI Entities"). The managing members of Accel XI Associates L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong. Accel XI Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel XI Entities, and its managing members share such powers.

Read SEC document
June 11, 2019 Filed Jun 14, 2019 20:06 UTC Amendment Slack Technologies, Inc. WORK · Entity 137108 ConversionClass B Common Stock · Derivative 688,373 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008020 · wf-form4a_156055715071246.xml · derivative · entry 9

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2009 L.L.C

Disclosed balance after: 2,065,117

Underlying: Class A Common Stock · 688,373 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F7 · shares: Due to a clerical error, the Form 4 filed on June 12, 2019 inadvertently reflected in Column 5 of Table II that, in connection with the conversion of shares of Class B Common Stock to Class A Common Stock, shares of Class B Common Stock were acquired rather than disposed of. This amendment is being filed to correct Column 5 of Table II. All other information set forth in the June 12, 2019 Form 4 remains correct and is restated in its entirety.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: These shares are held by Accel Investors 2009 L.L.C. The managing member of Accel Investors 2009 L.L.C. are Andrew G. Braccia, Kevin J. Efrusy, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong, all of whom share voting and dispositive power with regard to the shares held by Accel Investors 2009 L.L.C.

Read SEC document
June 11, 2019 Filed Jun 14, 2019 20:06 UTC Amendment Slack Technologies, Inc. WORK · Entity 137108 ConversionClass B Common Stock · Derivative 1,286,873 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008020 · wf-form4a_156055715071246.xml · derivative · entry 8

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel X Strategic Partners L.P

Disclosed balance after: 3,860,617

Underlying: Class A Common Stock · 1,286,873 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F7 · shares: Due to a clerical error, the Form 4 filed on June 12, 2019 inadvertently reflected in Column 5 of Table II that, in connection with the conversion of shares of Class B Common Stock to Class A Common Stock, shares of Class B Common Stock were acquired rather than disposed of. This amendment is being filed to correct Column 5 of Table II. All other information set forth in the June 12, 2019 Form 4 remains correct and is restated in its entirety.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: These shares are held by Accel X Strategic Partners L.P. Accel X Associates L.L.C. is the general partner of each of the Accel X Entities. The managing members of Accel X Associates L.L.C. are Andrew G. Braccia, Kevin J. Efrusy, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong. Accel X Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel X Entities, and its managing members share such powers.

Read SEC document
June 11, 2019 Filed Jun 14, 2019 20:06 UTC Amendment Slack Technologies, Inc. WORK · Entity 137108 ConversionClass B Common Stock · Derivative 17,146,080 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008020 · wf-form4a_156055715071246.xml · derivative · entry 7

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,438,240

Underlying: Class A Common Stock · 17,146,080 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F7 · shares: Due to a clerical error, the Form 4 filed on June 12, 2019 inadvertently reflected in Column 5 of Table II that, in connection with the conversion of shares of Class B Common Stock to Class A Common Stock, shares of Class B Common Stock were acquired rather than disposed of. This amendment is being filed to correct Column 5 of Table II. All other information set forth in the June 12, 2019 Form 4 remains correct and is restated in its entirety.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

Read SEC document
June 11, 2019 Filed Jun 14, 2019 20:06 UTC Amendment Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 387,596 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008020 · wf-form4a_156055715071246.xml · nonDerivative · entry 6

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2013 L.L.C.

Disclosed balance after: 387,596

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · ownership.nature: These shares are held by Accel Investors 2013 L.L.C. The managing members of Accel Investors 2013 L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong, all of whom share voting and dispositive power with regard to the shares held by Accel Investors 2013 L.L.C.

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June 11, 2019 Filed Jun 14, 2019 20:06 UTC Amendment Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 274,210 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008020 · wf-form4a_156055715071246.xml · nonDerivative · entry 5

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel XI Strategic Partners L.P.

Disclosed balance after: 274,210

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · ownership.nature: These shares are held by Accel XI Strategic Partners L.P. Accel XI Associates L.L.C. is the general partner of each of the Accel XI Entities. The managing members of Accel XI Associates L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong. Accel XI Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel XI Entities, and its managing members share such powers.

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June 11, 2019 Filed Jun 14, 2019 20:06 UTC Amendment Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 3,649,641 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008020 · wf-form4a_156055715071246.xml · nonDerivative · entry 4

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel XI L.P.

Disclosed balance after: 3,649,641

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · ownership.nature: These shares are held by Accel XI LP. Accel XI Associates L.L.C. is the general partner each of Accel XI L.P. and Accel XI Strategic Partners L.P. (together, the "Accel XI Entities"). The managing members of Accel XI Associates L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong. Accel XI Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel XI Entities, and its managing members share such powers.

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June 11, 2019 Filed Jun 14, 2019 20:06 UTC Amendment Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 688,373 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008020 · wf-form4a_156055715071246.xml · nonDerivative · entry 3

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2009 L.L.C

Disclosed balance after: 688,373

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: These shares are held by Accel Investors 2009 L.L.C. The managing member of Accel Investors 2009 L.L.C. are Andrew G. Braccia, Kevin J. Efrusy, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong, all of whom share voting and dispositive power with regard to the shares held by Accel Investors 2009 L.L.C.

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June 11, 2019 Filed Jun 14, 2019 20:06 UTC Amendment Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 1,286,873 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008020 · wf-form4a_156055715071246.xml · nonDerivative · entry 2

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel X Strategic Partners L.P.

Disclosed balance after: 1,286,873

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: These shares are held by Accel X Strategic Partners L.P. Accel X Associates L.L.C. is the general partner of each of the Accel X Entities. The managing members of Accel X Associates L.L.C. are Andrew G. Braccia, Kevin J. Efrusy, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong. Accel X Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel X Entities, and its managing members share such powers.

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June 11, 2019 Filed Jun 14, 2019 20:06 UTC Amendment Slack Technologies, Inc. WORK · Entity 137108 ConversionClass A Common Stock 17,146,080 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-008020 · wf-form4a_156055715071246.xml · nonDerivative · entry 1

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,146,080

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

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June 07, 2019 Filed Jun 7, 2019 21:23 UTC Slack Technologies, Inc. WORK · Entity 137108 OtherClass B Common Stock · Derivative 1,550,384 $0.00 $0.00
Disclosure

SEC source: 0001628280-19-007826 · wf-form4_155995697972366.xml · derivative · entry 24

Accel X LP · CIK 0001419457 · 10% owner

ACCEL X STRATEGIC PARTNERS LP · CIK 0001430231 · 10% owner

Accel X Associates L.L.C. · CIK 0001494996 · 10% owner

Accel Investors 2009 L.L.C. · CIK 0001494979 · 10% owner

Accel XI L.P. · CIK 0001522763 · 10% owner

Accel XI Strategic Partners L.P. · CIK 0001527391 · 10% owner

Accel XI Associates L.L.C. · CIK 0001535603 · 10% owner

Accel Investors 2013 L.L.C. · CIK 0001589159 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2013 L.L.C.

Disclosed balance after: 1,550,384

Underlying: Class A Common Stock · 1,550,384 shares

Expires not disclosed

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the Reporting Person and has no expiration date.

F1 · kind: The Series A, Series B, Series C, Series F-1 and Series H-1 Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of preferred stock were converted, in an exempt transaction pursuant to Rule 16b-7, into shares of Class B Common Stock of the Issuer.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the Reporting Person and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the Reporting Person and has no expiration date.

F8 · ownership.nature: These shares are held by Accel Investors 2013 L.L.C. The managing members of Accel Investors 2013 L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong, all of whom share voting and dispositive power with regard to the shares held by Accel Investors 2013 L.L.C.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.