# Slack Technologies, Inc. (WORK)

Source: https://www.quantisnow.com/company/WORK
Generated: 2026-10-29T20:39:48.775Z

- Ticker: WORK
- Exchange: NYSE
- Sector: Consumer Services
- Industry: Other Consumer Services
- IPO year: 2019

## Latest WORK news and filings

- 2024-03-09 17:38 UTC [Market Insight] [Remote Work Is Boosting Labor Market Participation, Economic Growth, Acknowledges BlackRock's Rick Rieder](https://www.quantisnow.com/insight/remote-work-is-boosting-labor-market-participation-economic-growth-acknowledges-5331954)
- 2021-08-02 20:25 UTC [SEC Form 15-12B] [SEC Form 15-12B filed by Slack Technologies, Inc.](https://www.quantisnow.com/insight/sec-form-15-12b-filed-by-slack-technologies-inc-1585050)
- 2021-07-22 15:18 UTC [SEC Form 4] [SEC Form 4: Jordan Sheila B closing all direct ownership in the company](https://www.quantisnow.com/insight/sec-form-4-jordan-sheila-b-closing-all-direct-ownership-1459602)
- 2021-07-21 20:39 UTC [SEC Form 4] [SEC Form 4: Butterfield Stewart converted options into 38,355,865 units of Class A Common Stock, closing all direct ownership in the company](https://www.quantisnow.com/insight/sec-form-4-butterfield-stewart-converted-options-into-38355865-units-1449709)
- 2021-07-21 20:40 UTC [SEC Form 4] [SEC Form 4: Yehoshua Tamar closing all direct ownership in the company](https://www.quantisnow.com/insight/sec-form-4-yehoshua-tamar-closing-all-direct-ownership-in-1449708)
- 2021-07-21 20:39 UTC [SEC Form 4] [SEC Form 4: Friar Sarah converted options into 406,017 units of Class A Common Stock, closing all direct ownership in the company](https://www.quantisnow.com/insight/sec-form-4-friar-sarah-converted-options-into-406017-units-1449688)
- 2021-07-21 20:37 UTC [SEC Form 4] [SEC Form 4: Schellhase David closing all direct ownership in the company](https://www.quantisnow.com/insight/sec-form-4-schellhase-david-closing-all-direct-ownership-in-1449677)
- 2021-07-21 20:37 UTC [SEC Form 4] [SEC Form 4: COOPER EDITH W converted options into 34,179 units of Class A Common Stock, closing all direct ownership in the company](https://www.quantisnow.com/insight/sec-form-4-cooper-edith-w-converted-options-into-34179-1449675)
- 2021-07-21 20:38 UTC [SEC Form 4] [SEC Form 4: SMITH GRAHAM converted options into 150,000 units of Class A Common Stock, closing all direct ownership in the company](https://www.quantisnow.com/insight/sec-form-4-smith-graham-converted-options-into-150000-units-1449672)
- 2021-07-21 20:38 UTC [SEC Form 4] [SEC Form 4: OFARRELL JOHN closing all direct ownership in the company](https://www.quantisnow.com/insight/sec-form-4-ofarrell-john-closing-all-direct-ownership-in-1449671)
- 2021-07-21 20:38 UTC [SEC Form 4] [SEC Form 4: MCNAMARA MICHAEL M closing all direct ownership in the company](https://www.quantisnow.com/insight/sec-form-4-mcnamara-michael-m-closing-all-direct-ownership-1449668)
- 2021-07-21 20:39 UTC [SEC Form 4] [SEC Form 4: Frati Robert closing all direct ownership in the company](https://www.quantisnow.com/insight/sec-form-4-frati-robert-closing-all-direct-ownership-in-1449665)
- 2021-07-21 20:36 UTC [SEC Form 4] [SEC Form 4: Henderson Cal converted options into 14,481,725 units of Class A Common Stock, closing all direct ownership in the company](https://www.quantisnow.com/insight/sec-form-4-henderson-cal-converted-options-into-14481725-units-1449566)
- 2021-07-21 20:35 UTC [SEC Form 4] [SEC Form 4: Braccia Andrew closing all direct ownership in the company](https://www.quantisnow.com/insight/sec-form-4-braccia-andrew-closing-all-direct-ownership-in-1449553)
- 2021-07-21 20:36 UTC [SEC Form 4] [SEC Form 4: Zell Brandon closing all direct ownership in the company](https://www.quantisnow.com/insight/sec-form-4-zell-brandon-closing-all-direct-ownership-in-1449549)
- 2021-07-21 20:35 UTC [SEC Form 4] [SEC Form 4: Shim Allen closing all direct ownership in the company](https://www.quantisnow.com/insight/sec-form-4-shim-allen-closing-all-direct-ownership-in-1449530)
- 2021-07-21 20:31 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Slack Technologies, Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-slack-technologies-inc-1449469)
- 2021-07-21 20:33 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Slack Technologies, Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-slack-technologies-inc-1449457)
- 2021-07-21 15:01 UTC [SEC Form 25-NSE filed by Slack Technologies, Inc.](https://www.quantisnow.com/insight/sec-form-25-nse-filed-by-slack-technologies-inc-1440906)
- 2021-07-19 10:07 UTC [SEC Form 425] [SEC Form 425 filed by Slack Technologies, Inc.](https://www.quantisnow.com/insight/sec-form-425-filed-by-slack-technologies-inc-1407309)
- 2021-07-19 10:05 UTC [SEC Form 8-K] [Slack Technologies, Inc. filed SEC Form 8-K: Other Events](https://www.quantisnow.com/insight/slack-technologies-inc-filed-sec-form-8-k-other-events-1407154)
- 2021-07-07 13:00 UTC [Data Analytics Platform, Opaque, Raises $9.5 Million Seed from Intel Capital and Race Capital to Unlock Encrypted Data with Machine Learning](https://www.quantisnow.com/insight/data-analytics-platform-opaque-raises-95-million-seed-from-intel-1276745)
- 2021-07-06 21:05 UTC [SEC Form 4] [SEC Form 4: Frati Robert sold $120,735 worth of Class A Common Stock (2,726 units at $44.29), decreasing direct ownership by 0.87% to 311,483 units (tax withholding)](https://www.quantisnow.com/insight/sec-form-4-frati-robert-sold-120735-worth-of-class-1269045)
- 2021-07-06 21:02 UTC [SEC Form 4] [SEC Form 4: Butterfield Stewart sold $4,837,175 worth of Class A Common Stock (109,290 units at $44.26) and converted options into 228,801 units of Class A Common Stock, increasing direct ownership by 12% to 1,093,181 units (for withholding tax)](https://www.quantisnow.com/insight/sec-form-4-butterfield-stewart-sold-4837175-worth-of-class-1269017)
- 2021-07-06 21:02 UTC [SEC Form 4] [SEC Form 4: Zell Brandon converted options into 2,812 units of Class A Common Stock and sold $147,840 worth of Class A Common Stock (3,338 units at $44.29), decreasing direct ownership by 0.28% to 189,116 units to satisfy withholding tax](https://www.quantisnow.com/insight/sec-form-4-zell-brandon-converted-options-into-2812-units-1269015)
- 2021-07-06 21:03 UTC [SEC Form 4] [SEC Form 4: Yehoshua Tamar converted options into 89,246 units of Class A Common Stock and sold $4,086,615 worth of Class A Common Stock (92,056 units at $44.39), decreasing direct ownership by 3% to 83,517 units (for tax liability)](https://www.quantisnow.com/insight/sec-form-4-yehoshua-tamar-converted-options-into-89246-units-1269009)
- 2021-07-06 21:03 UTC [SEC Form 4] [SEC Form 4: Schellhase David sold $66,391 worth of Class A Common Stock (1,499 units at $44.29), decreasing direct ownership by 0.45% to 328,293 units to satisfy tax liability](https://www.quantisnow.com/insight/sec-form-4-schellhase-david-sold-66391-worth-of-class-1269003)
- 2021-07-06 21:04 UTC [SEC Form 4] [SEC Form 4: Shim Allen sold $85,258 worth of Class A Common Stock (1,925 units at $44.29), decreasing direct ownership by 0.81% to 234,894 units to satisfy withholding tax](https://www.quantisnow.com/insight/sec-form-4-shim-allen-sold-85258-worth-of-class-1269001)
- 2021-07-06 21:04 UTC [SEC Form 4] [SEC Form 4: COOPER EDITH W converted options into 17,089 units of Class A Common Stock, increasing direct ownership by 7% to 245,103 units](https://www.quantisnow.com/insight/sec-form-4-cooper-edith-w-converted-options-into-17089-1268995)
- 2021-07-06 21:01 UTC [SEC Form 4] [SEC Form 4 filed by Slack Technologies, Inc.](https://www.quantisnow.com/insight/sec-form-4-filed-by-slack-technologies-inc-1268854)
- 2021-06-15 16:15 UTC [New Slack Research Shows How Companies Can Win the War for Talent in the Post-Pandemic World](https://www.quantisnow.com/insight/new-slack-research-shows-how-companies-can-win-the-war-1019990)
- 2021-06-04 10:04 UTC [SEC Form 425] [SEC Form 425 filed by Slack Technologies, Inc.](https://www.quantisnow.com/insight/sec-form-425-filed-by-slack-technologies-inc-960580)
- 2021-06-03 20:05 UTC [Slack Announces First Quarter Fiscal Year 2022 Results](https://www.quantisnow.com/insight/slack-announces-first-quarter-fiscal-year-2022-results-959155)
- 2021-06-03 21:18 UTC [SEC Form 4] [SEC Form 4: Schellhase David converted 6,250 units into Class A Common Stock and sold $146,052 worth of Class A Common Stock (3,333 units at $43.82), increasing direct ownership by 0.89% to 329,792 units (withholding tax)](https://www.quantisnow.com/insight/sec-form-4-schellhase-david-converted-6250-units-into-class-958169)
- 2021-06-03 21:09 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by Slack Technologies, Inc.](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-slack-technologies-inc-958070)
- 2021-06-03 20:14 UTC [SEC Form 8-K] [SEC Form 8-K filed by Slack Technologies, Inc.](https://www.quantisnow.com/insight/sec-form-8-k-filed-by-slack-technologies-inc-957510)
- 2021-05-26 21:00 UTC [SEC Form 4] [SEC Form 4: Yehoshua Tamar sold $3,686,992 worth of Class A Common Stock (85,744 units at $43.00), decreasing direct ownership by 50% to 86,327 units](https://www.quantisnow.com/insight/sec-form-4-yehoshua-tamar-sold-3686992-worth-of-class-863683)
- 2021-05-17 20:15 UTC [Slack Announces Date of First Quarter Fiscal Year 2022 Financial Results](https://www.quantisnow.com/insight/slack-announces-date-of-first-quarter-fiscal-year-2022-financial-751332)
- 2021-05-05 21:03 UTC [SEC Form 4] [SEC Form 4: Henderson Cal sold $237,149 worth of Class A Common Stock (5,637 units at $42.07) and converted 5,637 units into Class A Common Stock to satisfy withholding obligation](https://www.quantisnow.com/insight/sec-form-4-henderson-cal-sold-237149-worth-of-class-704059)
- 2021-05-05 21:02 UTC [SEC Form 4] [SEC Form 4: Schellhase David sold $140,219 worth of Class A Common Stock (3,333 units at $42.07) and converted 6,250 units into Class A Common Stock, increasing direct ownership by 0.90% to 326,875 units to cover taxes](https://www.quantisnow.com/insight/sec-form-4-schellhase-david-sold-140219-worth-of-class-704042)

## More

- Live page with ratings, short volume, options and peers: https://www.quantisnow.com/company/WORK
- RSS and alerts for WORK: https://www.quantisnow.com/docs/rss-feeds.md