# MoSys, Inc. (MOSY)

Source: https://www.quantisnow.com/company/MOSY
Generated: 2026-11-09T16:22:28.917Z

- Ticker: MOSY
- Exchange: NASDAQ
- Sector: Technology
- Industry: Semiconductors
- IPO year: 2001
- Website: mosys.com

## About

MoSys, Inc., together with its subsidiaries, operates as a semiconductor company in North America, Japan, Taiwan, and internationally. The company develops and sells integrated circuits (ICs) for high-speed cloud networking, communications, security appliance, video, monitor and test, and computing markets. It offers bandwidth engine ICs and programmable hyperspeed engine IC products under the Accelerator Engine name; quad partition rate SRAM memory devices; non-memory, high-speed serialization-deserialization interface, and physical layer devices; and virtual accelerator engines, such as graph memory engines and accelerator IPs. The company also serves data centers and other equipment providers, as well as their subsystem and component vendors; and original equipment manufacturers through direct sales personnel, sales representatives, and distributors. MoSys, Inc. was incorporated in 1991 and is headquartered in San Jose, California.

## Latest MOSY news and filings

- 2021-12-27 21:31 UTC [SEC Schedule 13D] [SEC Form SC 13D filed by MoSys, Inc.](https://www.quantisnow.com/insight/sec-form-sc-13d-filed-by-mosys-inc-2185411)
- 2021-12-23 15:45 UTC [SEC Form 4] [SEC Form 4: Melder Andreas was granted 9,862 shares](https://www.quantisnow.com/insight/sec-form-4-melder-andreas-was-granted-9862-shares-2179610)
- 2021-12-23 15:40 UTC [SEC Form 4] [SEC Form 4: Mcwalter Ian was granted 9,862 shares](https://www.quantisnow.com/insight/sec-form-4-mcwalter-ian-was-granted-9862-shares-2179567)
- 2021-12-23 15:36 UTC [SEC Form 4] [SEC Form 4: Newell Robert Y Iv was granted 9,862 shares, increasing direct ownership by 30% to 42,862 units](https://www.quantisnow.com/insight/sec-form-4-newell-robert-y-iv-was-granted-9862-2179547)
- 2021-12-22 00:37 UTC [SEC Form 4] [SEC Form 4: Tomkins Alex was granted 9,127 shares](https://www.quantisnow.com/insight/sec-form-4-tomkins-alex-was-granted-9127-shares-2172635)
- 2021-12-22 00:34 UTC [SEC Form 4] [SEC Form 4 filed by Lynch Brad](https://www.quantisnow.com/insight/sec-form-4-filed-by-lynch-brad-2172625)
- 2021-12-22 00:32 UTC [SEC Form 4] [SEC Form 4 filed by Glibbery Ronald](https://www.quantisnow.com/insight/sec-form-4-filed-by-glibbery-ronald-2172621)
- 2021-12-20 20:17 UTC [SEC Form 3] [SEC Form 3 filed by new insider Melder Andreas](https://www.quantisnow.com/insight/sec-form-3-filed-by-new-insider-melder-andreas-2165036)
- 2021-12-20 20:14 UTC [SEC Form 3] [SEC Form 3 filed by new insider Mcwalter Ian](https://www.quantisnow.com/insight/sec-form-3-filed-by-new-insider-mcwalter-ian-2165023)
- 2021-12-20 20:10 UTC [SEC Form 3] [SEC Form 3: New insider Tomkins Alex claimed ownership of 7,350 shares](https://www.quantisnow.com/insight/sec-form-3-new-insider-tomkins-alex-claimed-ownership-of-2165005)
- 2021-12-20 20:07 UTC [SEC Form 3] [SEC Form 3 filed by new insider Lynch Brad](https://www.quantisnow.com/insight/sec-form-3-filed-by-new-insider-lynch-brad-2164993)
- 2021-12-20 20:02 UTC [SEC Form 3] [SEC Form 3 filed by new insider Glibbery Ronald](https://www.quantisnow.com/insight/sec-form-3-filed-by-new-insider-glibbery-ronald-2164976)
- 2021-12-20 19:17 UTC [SEC Form 8-K] [MoSys, Inc. filed SEC Form 8-K: Entry into a Material Definitive Agreement, Completion of Acquisition or Disposition of Assets, Unregistered Sales of Equity Securities, Changes in Control of Registrant, Leadership Update, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/mosys-inc-filed-sec-form-8-k-entry-into-a-material-2164825)
- 2021-12-20 12:30 UTC [MoSys and Peraso Technologies Close Business Combination](https://www.quantisnow.com/insight/mosys-and-peraso-technologies-close-business-combination-2162181)
- 2021-12-14 14:38 UTC [Market Chatter] [MoSys Form 4 Filings Show CEO Purchased 5K Shares At Average Price $3.94, Director Robert Newell Purchased 15K Shares At Average Price Of $4.04/Share](https://www.quantisnow.com/insight/mosys-form-4-filings-show-ceo-purchased-5k-shares-at-2137251)
- 2021-12-14 13:41 UTC [SEC Form 4] [SEC Form 4: Newell Robert Y Iv bought $60,600 worth of shares (15,000 units at $4.04), increasing direct ownership by 94% to 31,000 units](https://www.quantisnow.com/insight/sec-form-4-newell-robert-y-iv-bought-60600-worth-2136438)
- 2021-12-14 13:39 UTC [SEC Form 4] [SEC Form 4: Lewis Daniel Lee bought $19,700 worth of shares (5,000 units at $3.94), increasing direct ownership by 16% to 37,250 units](https://www.quantisnow.com/insight/sec-form-4-lewis-daniel-lee-bought-19700-worth-of-2136420)
- 2021-12-14 11:07 UTC [Market Insight] [MoSys Announces ZRI-Tech Has Chosen MoSys LineSpeed MSH322S Multi-Link Gearbox To Power Its Dense Wavelength Division Multiplexing Product](https://www.quantisnow.com/insight/mosys-announces-zri-tech-has-chosen-mosys-linespeed-msh322s-multi-link-gearbox-2135048)
- 2021-12-14 11:00 UTC [MoSys LineSpeed Solution Chosen by ZRI-Tech to Power Their Latest Dense Wavelength Division Multiplexing App](https://www.quantisnow.com/insight/mosys-linespeed-solution-chosen-by-zri-tech-to-power-their-latest-2134900)
- 2021-12-09 13:10 UTC [Market Insight] [12 Information Technology Stocks Moving In Thursday's Pre-Market Session](https://www.quantisnow.com/insight/12-information-technology-stocks-moving-in-thursdays-pre-market-session-2118072)
- 2021-12-09 11:04 UTC [Market Insight] [MoSys Partners with Silicom to Provide Stellar Packet Classification IP Optimized for Intel FPGA-Based SmartNICs and Infrastructure Processing Units](https://www.quantisnow.com/insight/mosys-partners-with-silicom-to-provide-stellar-packet-classification-ip-2117067)
- 2021-12-09 11:00 UTC [MoSys Partners with Silicom to Provide Stellar Packet Classification IP Optimized for Intel FPGA-Based SmartNICs and Infrastructure Processing Units](https://www.quantisnow.com/insight/mosys-partners-with-silicom-to-provide-stellar-packet-classification-ip-2116995)
- 2021-12-07 13:05 UTC [Market Chatter] [MoSys Merger Partner Peraso Receives $3M Order To Supply 60 GHz Modules For Fixed Wireless Market](https://www.quantisnow.com/insight/mosys-merger-partner-peraso-receives-3m-order-to-supply-60-2105388)
- 2021-12-07 13:00 UTC [Peraso Receives US$3M Order to Supply 60 GHz Modules for Fixed Wireless Market](https://www.quantisnow.com/insight/peraso-receives-us3m-order-to-supply-60-ghz-modules-for-2105083)
- 2021-12-02 19:06 UTC [SEC Form 4] [SEC Form 4: O'Neil Daniel Joseph was granted 2,000 units of Restricted Stock Units, increasing direct ownership by 50% to 6,000 units](https://www.quantisnow.com/insight/sec-form-4-oneil-daniel-joseph-was-granted-2000-units-2089509)
- 2021-12-02 19:00 UTC [SEC Form 4] [SEC Form 4: Newell Robert Y Iv was granted 2,000 units of Restricted Stock Units, increasing direct ownership by 67% to 5,000 units](https://www.quantisnow.com/insight/sec-form-4-newell-robert-y-iv-was-granted-2000-2089470)
- 2021-12-02 18:53 UTC [SEC Form 4] [SEC Form 4: Lewis Scott Richard was granted 2,000 units of Restricted Stock Units, increasing direct ownership by 67% to 5,000 units](https://www.quantisnow.com/insight/sec-form-4-lewis-scott-richard-was-granted-2000-units-2089417)
- 2021-12-02 14:03 UTC [Market Insight] [MoSys Stockholders Approve Business Combination With Peraso Technologies](https://www.quantisnow.com/insight/mosys-stockholders-approve-business-combination-with-peraso-technologies-2087426)
- 2021-12-02 14:00 UTC [MoSys Stockholders Approve Business Combination with Peraso Technologies](https://www.quantisnow.com/insight/mosys-stockholders-approve-business-combination-with-peraso-technologies-2087255)
- 2021-12-01 14:05 UTC [Market Chatter] [MoSys Announces Preliminary Stockholder Voting Results Approving Arrangement With Peraso, Provides Transaction Update](https://www.quantisnow.com/insight/mosys-announces-preliminary-stockholder-voting-results-approving-arrangement-with-peraso-2080279)
- 2021-12-01 14:00 UTC [MoSys Announces Preliminary Stockholder Voting Results Approving the Arrangement with Peraso, Provides Transaction Update](https://www.quantisnow.com/insight/mosys-announces-preliminary-stockholder-voting-results-approving-the-arrangement-with-2080234)
- 2021-11-25 22:25 UTC [Market Insight] [11 Information Technology Stocks Moving In Thursday's After-Market Session](https://www.quantisnow.com/insight/11-information-technology-stocks-moving-in-thursdays-after-market-session-2059092)
- 2021-11-24 17:49 UTC [Market Insight] [12 Information Technology Stocks Moving In Wednesday's Intraday Session](https://www.quantisnow.com/insight/12-information-technology-stocks-moving-in-wednesdays-intraday-session-2054211)
- 2021-11-23 22:26 UTC [SEC Form 8-K] [MoSys, Inc. filed SEC Form 8-K: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Submission of Matters to a Vote of Security Holders, Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/mosys-inc-filed-sec-form-8-k-amendments-to-articles-of-2049348)
- 2021-11-23 22:27 UTC [SEC Form DEFA14A] [SEC Form DEFA14A filed by MoSys, Inc.](https://www.quantisnow.com/insight/sec-form-defa14a-filed-by-mosys-inc-2049325)
- 2021-11-23 21:45 UTC [MoSys Announces Adjournment of Special Meeting to December 1, 2021; Urges Eligible Stockholders to Vote](https://www.quantisnow.com/insight/mosys-announces-adjournment-of-special-meeting-to-december-1-2021-2048916)
- 2021-11-17 21:39 UTC [SEC Form DEFA14A] [SEC Form DEFA14A filed by MoSys, Inc.](https://www.quantisnow.com/insight/sec-form-defa14a-filed-by-mosys-inc-2024955)
- 2021-11-17 21:05 UTC [MoSys, Inc. Urges Stockholders to Vote for Proposed Business Combination with Peraso Technologies, Leading 5G mmWave Company](https://www.quantisnow.com/insight/mosys-inc-urges-stockholders-to-vote-for-proposed-business-combination-2024420)
- 2021-11-15 11:00 UTC [Conference Announcement] [MoSys to Present at Upcoming Intel FPGA Technology Day on 9 Dec 2021](https://www.quantisnow.com/insight/mosys-to-present-at-upcoming-intel-fpga-technology-day-on-2005316)
- 2021-11-12 18:31 UTC [SEC Form DEFA14A] [SEC Form DEFA14A filed by MoSys, Inc.](https://www.quantisnow.com/insight/sec-form-defa14a-filed-by-mosys-inc-2001844)

## More

- Live page with ratings, short volume, options and peers: https://www.quantisnow.com/company/MOSY
- Earnings history: https://www.quantisnow.com/earnings/MOSY
- Dividend history: https://www.quantisnow.com/dividends/MOSY
- Insider transactions: https://www.quantisnow.com/insiders/MOSY
- Options chain: https://www.quantisnow.com/options/MOSY
- SEC 8-K filings only: https://www.quantisnow.com/company/MOSY/8-k
- RSS and alerts for MOSY: https://www.quantisnow.com/docs/rss-feeds.md