# Cardiovascular Systems Inc. (CSII)

Source: https://www.quantisnow.com/company/CSII
Generated: 2026-11-10T09:35:41.454Z

- Ticker: CSII
- Exchange: NASDAQ
- Sector: Health Care
- Industry: Medical/Dental Instruments
- IPO year: 1981
- Website: csi360.com

## About

Cardiovascular Systems, Inc., a medical device company, develops and commercializes solutions to treat peripheral and coronary artery diseases in the United States and internationally. The company offers peripheral artery disease products, which are catheter-based platforms to treat various plaque types in above and below the knee, including calcified plaque, as well as address various limitations related with surgical, catheter, and pharmacological treatment alternatives; and peripheral support products. It also provides Diamondback 360 Coronary orbital atherectomy systems (OAS), a coronary artery disease (CAD) product designed to facilitate stent delivery in patients with CAD who are acceptable candidates for percutaneous transluminal coronary angioplasty or stenting due to severely calcified coronary artery lesions. The company has a partnership with Chansu Vascular Technologies, LLC to develop peripheral and coronary everolimus drug-coated balloons. The company was formerly known as Shturman Cardiology Systems, Inc. and changed its name to Cardiovascular Systems, Inc. in January 2003. Cardiovascular Systems, Inc. was founded in 1989 and is headquartered in Saint Paul, Minnesota.

## Latest CSII news and filings

- 2024-02-13 20:24 UTC [SEC Schedule 13G] [SEC Form SC 13G/A filed by Cardiovascular Systems Inc. (Amendment)](https://www.quantisnow.com/insight/sec-form-sc-13ga-filed-by-cardiovascular-systems-inc-amendment-5254185)
- 2023-05-08 10:00 UTC [SEC Form 15-12G filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-15-12g-filed-by-cardiovascular-systems-inc-4458443)
- 2023-05-01 10:03 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414741)
- 2023-05-01 10:05 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414740)
- 2023-05-01 10:06 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414693)
- 2023-05-01 10:03 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414691)
- 2023-05-01 10:05 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414690)
- 2023-05-01 10:06 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414689)
- 2023-05-01 10:07 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414688)
- 2023-05-01 10:05 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414677)
- 2023-05-01 10:04 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414670)
- 2023-05-01 10:02 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414666)
- 2023-05-01 10:05 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414636)
- 2023-05-01 10:00 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414625)
- 2023-05-01 10:01 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414623)
- 2023-05-01 10:02 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414621)
- 2023-05-01 10:02 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414620)
- 2023-05-01 10:03 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414618)
- 2023-05-01 10:02 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414609)
- 2023-05-01 10:00 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414557)
- 2023-05-01 10:01 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414556)
- 2023-05-01 10:01 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-cardiovascular-systems-inc-4414555)
- 2023-04-27 20:41 UTC [SEC Form 8-K] [Cardiovascular Systems Inc. filed SEC Form 8-K: Completion of Acquisition or Disposition of Assets, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Material Modification to Rights of Security Holders, Changes in Control of Registrant, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Submission of Matters to a Vote of Security Holders, Financial Statements and Exhibits](https://www.quantisnow.com/insight/cardiovascular-systems-inc-filed-sec-form-8-k-completion-of-acquisition-4401360)
- 2023-04-27 20:35 UTC [SEC Form 4] [SEC Form 4 filed by Womack Kelvin K.](https://www.quantisnow.com/insight/sec-form-4-filed-by-womack-kelvin-k-4401288)
- 2023-04-27 20:38 UTC [SEC Form 4] [SEC Form 4 filed by Paulsen Erik](https://www.quantisnow.com/insight/sec-form-4-filed-by-paulsen-erik-4401282)
- 2023-04-27 20:37 UTC [SEC Form 4] [SEC Form 4 filed by Points Jeffrey S.](https://www.quantisnow.com/insight/sec-form-4-filed-by-points-jeffrey-s-4401226)
- 2023-04-27 20:36 UTC [SEC Form 4] [SEC Form 4 filed by Rempe Stephen J.](https://www.quantisnow.com/insight/sec-form-4-filed-by-rempe-stephen-j-4401208)
- 2023-04-27 20:35 UTC [SEC Form 4] [SEC Form 4 filed by Aronson Martha Goldberg](https://www.quantisnow.com/insight/sec-form-4-filed-by-aronson-martha-goldberg-4401204)
- 2023-04-27 20:35 UTC [SEC Form 4] [SEC Form 4 filed by Sedo Sandra](https://www.quantisnow.com/insight/sec-form-4-filed-by-sedo-sandra-4401202)
- 2023-04-27 20:33 UTC [SEC Form 4] [SEC Form 4 filed by Cohn William E.](https://www.quantisnow.com/insight/sec-form-4-filed-by-cohn-william-e-4401164)
- 2023-04-27 20:34 UTC [SEC Form 4] [SEC Form 4 filed by Lawlor Augustine](https://www.quantisnow.com/insight/sec-form-4-filed-by-lawlor-augustine-4401143)
- 2023-04-27 20:33 UTC [SEC Form 4] [SEC Form 4 filed by Stenbeck Stephen](https://www.quantisnow.com/insight/sec-form-4-filed-by-stenbeck-stephen-4401139)
- 2023-04-27 20:32 UTC [SEC Form 4] [SEC Form 4 filed by Rosenstein Alexander](https://www.quantisnow.com/insight/sec-form-4-filed-by-rosenstein-alexander-4401124)
- 2023-04-27 20:32 UTC [SEC Form 4] [SEC Form 4 filed by Ward Scott R.](https://www.quantisnow.com/insight/sec-form-4-filed-by-ward-scott-r-4401114)
- 2023-04-25 21:54 UTC [Cytek Biosciences Set to Join S&P SmallCap 600](https://www.quantisnow.com/insight/cytek-biosciences-set-to-join-sp-smallcap-600-4383635)
- 2023-04-25 21:18 UTC [Market Insight] [Cytek Biosciences Set To Join S&P SmallCap 600, Replacing Cardiovascular Systems](https://www.quantisnow.com/insight/cytek-biosciences-set-to-join-sp-smallcap-600-replacing-cardiovascular-4383400)
- 2023-04-20 15:05 UTC [Market Insight] [Recent Filing Shows That Sen. Tina Smith Sold Over $100K Worth of Cardiovascular Systems Stock](https://www.quantisnow.com/insight/recent-filing-shows-that-sen-tina-smith-sold-over-100k-4361185)
- 2023-04-13 13:21 UTC [SEC Form DEFA14A] [SEC Form DEFA14A filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-defa14a-filed-by-cardiovascular-systems-inc-4331249)
- 2023-04-13 13:13 UTC [SEC Form 8-K] [Cardiovascular Systems Inc. filed SEC Form 8-K: Other Events](https://www.quantisnow.com/insight/cardiovascular-systems-inc-filed-sec-form-8-k-other-events-4331191)
- 2023-04-10 14:51 UTC [SEC Form DEFA14A] [SEC Form DEFA14A filed by Cardiovascular Systems Inc.](https://www.quantisnow.com/insight/sec-form-defa14a-filed-by-cardiovascular-systems-inc-4315958)

## More

- Live page with ratings, short volume, options and peers: https://www.quantisnow.com/company/CSII
- Earnings history: https://www.quantisnow.com/earnings/CSII
- Dividend history: https://www.quantisnow.com/dividends/CSII
- Insider transactions: https://www.quantisnow.com/insiders/CSII
- Options chain: https://www.quantisnow.com/options/CSII
- SEC 8-K filings only: https://www.quantisnow.com/company/CSII/8-k
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