Finmeccanica SpA and First Reserve Corp. have agreed to sell Italian power equipment companyAnsaldo Energia to Fondo Strategico Italiano, an Italian state-run fund, for approximately €1 billion.www.ansaldoenergia.com

Staples Inc. (Nasdaq: SPLS) has acquired Runa, a Mountain View, Calif.-based provider of online shopping personalization software. No financial terms were disclosed. Runa had raised over $10 million in VC funding from Merus Capital and Sierra Ventures. www.runa.com

Societe Generale has acquired an additional 10% stake in its Russia-based Rosbank unit from VTB Bank, raising its overall holdings to 92.4%. No financial terms were disclosed, except that VTB will receive shares in certain Russian companies and Russian real estate assets.

Abengoa, a Seville, Spain-based engineering and cleantech company, has filed for a $621 million IPO. The company plans to list on the NYSE under ticker symbol ABGB, and already trades on the Madrid and Barcelona stock exchanges. It reports €3.4 billion in first half 2013 revenue. Citigroup and HSBC are serving as lead underwriters. Shareholders include Inversión Corporativa and First Reserve Corp.www.abengoa.es

GlycoMimetics, a Gaithersburg, Md.-based developer of glycobiology-based therapies, has filed for an $86.25 million IPO. It plans to trade on the Nasdaq under ticker symbol GLYC, with Jefferies and Barclays serving as lead underwriters. The company has raised over $60 million in VC funding from firms like New Enterprise Associates (75.2% pre-IPO stake), Genzyme Ventures (11.6%), The Novartis Venture Fund, Anthem Capital and Alliance Technology Ventures. www.glycomimetics.com

J.G. Wentworth, a Radnor, Penn.-based buyer of deferred payments and illiquid financial assets, has filed for a $200 million IPO. It plans to trade on the NYSE under ticker symbol JGW, with Barclays and Credit Suisse serving as lead underwriters. The company reports $128 million in net income on around $484 million in revenue for the 12 months ending June 30, 2013. J.G. Wentworth is owned by JLL Partners. www.jgwentworth.com

Karyopharm Therapeutics, a Natick, MA-based developer of drugs directed against nuclear transport targets for the treatment of cancer and other major diseases, has filed for an $80 million IPO. It plans to trade on the Nasdaq under ticker symbol KPTI, with BoA Merrill Lynch and Leerink Swann serving as lead underwriters. The company has raised over $70 million in VC funding from firms like Foresite Capital (9.42% pre-IPO stake), Delphi Ventures (8.17%) and New Leaf Venture Partners.www.karyopharm.com

Mavenir Systems, a Richardson, Texas-based provider of mobile infrastructure solutions for LTE operators, has filed for an $86.25 million IPO. It plans to trade on the NYSE under ticker symbol MVNR, with Morgan Stanley, BoA Merrill Lynch and Deutsche Bank serving as lead underwriters. The company reports an $8 million net loss on $48 million in revenue for the first half of 2013, compared to a $5.65 million net loss on $40 million in revenue for the year-earlier period. It has raised around $105 million in VC funding, from firms like North Bridge Venture Partners (24.5% pre-IPO stake), Austin Ventures (23.1%), Alloy Ventures (17.1%), August Capital (16.3%), Cisco Systems (10.9%), Cross Creek Capital and Greenspring Associates. www.mavenir.com

Sisal SpA, an Italian betting, lottery and online gaming group, has retained UBS and Deutsche Bank to explore a public float as early as this year, according to the FT. Shareholders include private equity firms Apax Partners, Clessidra and Permira. www.sisal.it

Tecogen Inc., a Waltham, Mass.-based maker of combined heat and power products, has withdrawn its IPO registration due to “unfavorable market conditions.” The company had planned to price 3 million shares at between $5.50 and $7.50 per share with Northland Capital Markets and Scarsdale Equities serving as co-lead underwriters. www.tecogen.com

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