1. San Francisco-based Bagcheck, an online social shopping and sharing service headed by Sam Pullara, was acquired by Twitter. Financial terms of the acquisition were not disclosed.
  2. Interactive games software firm Havok, which has offices in San Francisco, acquired Trinigy, a 3D game engine provider. Financial terms of the acquisition were not disclosed.
  3. Okta, a developer of identity and access management software-as-service,  raised $16.5M in a Series B financing round. According to the firm, the round came from Greylock Partners, Khosla Ventures, Andreessen Horowitz, and Floodgate.
  4. Verinata Health, a firm developing diagnostic test for monitoring maternal and fetal health, secured $48.5M in a Series C funding round.
  5. Fremont-based Plimus, a developer of e-commerce software, was acquired by private equity firm Great Hill Partners. The deal was worth $115M. Great Hill said it acquired Plimus from Susquehanna Growth Equity LLC, Plimus founders, key mangaement, and employees.
  6. San Francisco-based bloomspot, an online service focused on driving businesses to local merchants, raised $40M in financing, consisting of $35M in a Series B equity funding, plus $5M in venture debt.
  7. Hotlink, a developer of systems management software, secured $10M in a Series A investment round. The round was led by Foundation Capital, and also included Leapfrog Ventures.