Teespring, a Providence, R.I.-based online platform to create and sell custom T-shirts, has raised $20 million in new VC funding from Andreessen Horowitz. www.teespring.com

IkaSystems, a Southborough, Mass.-based provider of business process optimization and intelligence management technology for healthcare insurers, has raised $15 million in new VC funding. Return backers include Essex Woodlands Health Ventures. www.ikasystems.com

Private Equity Deals

Citic Capital Partners has closed its $900 million acquisition of AsiaInfo-Linkage Inc., a Chinese software and IT services provider that first began acquisition discussions with Citic two years ago.www.asiainfo-linkage.com

RWE AG, a listed German utility, is expected to receive three first-round offers for its oil and gas production business (RWE DEA), according to Reuters. The offers would value the business at around €4 billion, and would come from: BASF subsidiary Wintershall, Russian billionaire Mikhail Fridman and a joint bid from KKR and Kuwait Petroleum Corp. www.rwe.com

Tyco International (NYSE: TYC) has shortlisted four suitors for its Caps Co., a South Korean security business that could be valued at around $1.4 billion, according to the WSJ. Bidders include Bain Capital/Hahn & Co., The Carlyle Group, IMM PE and KKR. Both Affinity Equity Partners and Standard Chartered Private Equity also may enter the process. www.tyco.com

IPOs

Cara Therapeutics, a Shelton Conn.-based developer of therapeutics for treating pain, has set its IPO terms to five million shares being offered at between $11 and $13 per share. It plans to trade on the Nasdaq under ticker symbol CARA, with Stifel and Piper Jaffray serving as lead underwriters. Shareholders include Rho Ventures (14.5% pre-IPO stake), Alta Partners (10.7%), Ascent Biomedical Ventures (9.9%), MVM (9.7%), Devon Park Bioventures (9.4%), Esperante AB (9.2%) and Scottish Widows (5.3%). www.caratherapeutics.com

CHC Group Ltd., a Canadian commercial helicopter operator, has cut its IPO price range from $16-$18 per share to $12-$14 per share. It still plans to offer around 29.41 million shares, and trade on the NYSE under ticker symbol HELI. J.P. Morgan and Barclays are serving as lead underwriters. First Reserve Corp. is CHC’s majority shareholder, and plans to remain so following the offering. www.chc.ca

EP Energy raised $704 million in its IPO, by pricing 35.2 million shares at $20 per share (below $23-$27 per share range). It will trade on the NYSE under ticker symbol EPE, while Credit Suisse and J.P. Morgan served as lead underwriters. Apollo Global Management had led a $2.7 billion acquisition of the energy production and exploration company in 2012 from El Paso Corp. Other participants in that deal included Access Industries, Riverstone Holdings and Korea National Oil Corp. www.epenergy.com

OTHER DEALS

Ardian (f.k.a. Axa Private Equity) wants first-round bids next month for Diana SAS, a French food supplements that could be valued at around $1.6 billion. Lazard Ltd. and JPMorgan Chase are managing the process. www.diana-group.com

The Carlyle Group is planning to sell around 100 million shares in listed Chinese home appliance maker Haier Electronics Group Ltd. (HK: 1169) for between HK$22 and HK$22.50 per share, according to IFR. www.carlyle.com

Cerberus Capital Management has agreed to sell its 55% stake in Kokusai Kogyo Co. to the Japanese conglomerate’s founding family for between $1.25 billion and $1.34 billion, according to Reuters. www.kokusaikogyo.co.jp

Google (Nasdaq: GOOG) has acquired Impermium, a Redwood City, Calif.–based cybersecurity company that had raised around $9 million in VC funding from Highland Capital Partners, AOL Ventures, Charles River Ventures, Greylock and The Social+Capital Partnership. No financial terms were disclosed. www.impermium.com

Investcorp has agreed to sell TDX, a British provider of debt management solutions, to Equifax Inc. (NYSE: EFX) for $327 million. www.tdxgroup.com

KKR and Permira have completed their exit from German broadcaster ProSiebenSat.1 Media AG, by selling their remaining 16.6% stake for €1.26 billion. www.prosiebensat1.com

Lightyear Capital has agreed to sell Cetera Financial Group, an El Segundo, Calif.–based broker-dealer and investment adviser, to RCS Capital Corp. (NYSE: RCAP). The deal is valued at $1.15 billion in cash. www.cetera.com

RoundTable Healthcare Partners has sold Aqua Pharmaceuticals Holdings Inc., a West Chester, Penn.-based developer of dermatological drugs, to Spain’s Almirall SA (CATS: ALM) for up to $402.6 million in cash (including a $327.6m up-front payment). www.aquapharm.com

BSP Inc. (Jasdaq: 3800) has agreed to acquire Beacon Information Technology Inc., a Tokyo-based provider of data management and data empowerment software, for ¥901 million. www.beacon-it.co.jp

CTPartners Executive Search Inc. (NYSE:CTP) has agreed to acquire Australian executive search firm Johnson Partners. No financial terms were disclosed. www.ctnet.com

GP Strategies Corp. (NYSE: GPX) has agreed to acquire Effective Companies, a Danish provider of human capital management solutions. No financial terms were disclosed. www.gpstrategies.com

KKR Financial Holdings (NYSE: KFN) has agreed to acquire a $100 million stake in LeaseCorporation International, a helicopter leasing subsidiary of Libra Group.www.lciaviation.com

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