Amgen vs Assurant: Founders, CEOs and History

Company facts

Founders

CEOs and their tenures

Timeline: Amgen and Assurant side by side

1. 1892Assurant

   La Crosse Mutual Aid Association formed

   Assurant traces its history to the La Crosse Mutual Aid Association, established in La Crosse, Wisconsin in 1892 to provide consumers with disability insurance. No founder of the association is named in the company own histories.

2. 1910Assurant

   Licensed as Time Insurance Company

   The Wisconsin Office of the Commissioner of Insurance records Time Insurance Company, the successor to the La Crosse Mutual Aid Association, as originally licensed as an insurer in 1910.

3. 1978Assurant

   N.V. AMEV of the Netherlands buys Time Insurance

   Dutch insurer N.V. AMEV acquired Time Insurance Company through its US holding company, AMEV Holdings, Inc., then expanded it by buying American Security Insurance, United Family, Western Insurance Company and Superior Insurance over the next 12 years.

4. 1980Amgen

   Applied Molecular Genetics is incorporated

   Applied Molecular Genetics (AMGen) was incorporated on April 8, 1980 in Thousand Oaks, California, as the idea of venture capitalist William K. Bowes Jr. and a group of scientific collaborators.

5. 1983Amgen

   Nasdaq listing and the erythropoietin clone

   Amgen completed its initial public offering on June 17, 1983, raising nearly US$40 million under chief financial officer Gordon Binder, and formally shortened its name to Amgen.

6. 1984Amgen

   Kirin-Amgen joint venture formed

   Amgen and Kirin Brewery Company of Japan formed Kirin-Amgen in 1984 as a joint venture for the worldwide commercialization of erythropoietin.

7. 1985Amgen

   G-CSF cloned, leading to Neupogen

   While Fu-Kuen Lin's team worked on erythropoietin, researcher Larry Souza and his group cloned and expressed human granulocyte colony-stimulating factor in 1985.

8. 1989Amgen

   FDA approves Epogen

   The FDA approved Epogen (epoetin alfa) on June 1, 1989 for anemia in patients with chronic kidney failure on dialysis. It was the first commercial recombinant human erythropoietin. Epogen's U.S.

9. 1991Amgen

   Neupogen approved, giving Amgen a second franchise

   The FDA approved Neupogen (filgrastim) in February 1991. By stimulating white blood cell production it reduced the risk of infection in cancer patients with chemotherapy-induced neutropenia.

10. 1991Amgen

    Amgen wins the erythropoietin patent fight

    On March 6, 1991 the U.S. Court of Appeals for the Federal Circuit upheld the Kirin-Amgen erythropoietin patent and ruled against Genetics Institute in Amgen v. Chugai Pharmaceutical and Genetics Institute.

11. 1991Assurant

    AMEV Holdings renamed Fortis, Inc.

    After AMEV combined with VSB Groep NV in 1990 to create Fortis, the US holding company AMEV Holdings, Inc. was rebranded Fortis, Inc. in 1991. It acquired John Alden in 1998.

12. 1999Assurant

    Fortis acquires American Bankers Insurance

    Fortis, Inc. bought American Bankers Insurance Group of Miami, adding credit insurance and specialty warranty underwriting that became the core of the modern specialty lines. Fortis sold its life insurance business to The Hartford in 2001.

13. 2001Amgen

    FDA approves Aranesp, the longer-acting EPO

    Aranesp (darbepoetin alfa), an erythropoietin analogue with modified glycosylation and a longer half-life, was approved in 2001. Less frequent dosing than Epogen improved convenience and gave Amgen a newer, higher-priced product to migrate patients toward.

14. 2002Amgen

    US$16 billion Immunex acquisition brings Enbrel in-house

    Amgen completed its acquisition of Immunex Corporation on July 16, 2002, the largest biotechnology deal to that point at about US$16 billion in stock and cash.

15. 2004Assurant

    NYSE listing as Assurant, Inc.

    Fortis took the US business public on February 5, 2004 in a $1.76 billion initial public offering, the fourth largest of that year, and renamed it Assurant, Inc. The company was incorporated as a Delaware corporation in 2004 and trades as AIZ.

16. 2006Assurant

    Robert B. Pollock succeeds J. Kerry Clayton as CEO

    Founding chief executive J. Kerry Clayton retired on March 17, 2006 and was succeeded by Robert B. Pollock, then president and chief operating officer, who also joined the board that day.

17. 2010Amgen

    Prolia and XGEVA create the bone health franchise

    The FDA approved Prolia (denosumab) for postmenopausal osteoporosis in June 2010 and XGEVA, the same molecule at a higher dose, for prevention of skeletal-related events in cancer patients in November 2010.

18. 2013Assurant

    New York consent order on force-placed insurance

    Assurant, American Security Insurance Company and American Bankers Insurance Company of Florida settled a New York Department of Financial Services investigation into force-placed homeowners insurance on March 21, 2013, paying a $14 million penalty plus homeow…

19. 2015Assurant

    Exit from health insurance and employee benefits

    On June 10, 2015 Assurant announced it would leave the health insurance marketplace and wind down Assurant Health, and on September 9, 2015 it agreed to sell its employee benefits business to Sun Life for $940 million.

20. 2018Assurant

    The Warranty Group acquisition closes

    Assurant completed its purchase of The Warranty Group from TPG Capital on May 31, 2018 for a total enterprise value of about $2.5 billion, expanding vehicle service contracts and international retail protection. Assurant also sold Time Insurance in 2018.

21. 2019Amgen

    US$13.4 billion purchase of Otezla from Celgene

    Amgen agreed in August 2019 to buy worldwide rights to Otezla (apremilast) from Celgene for US$13.4 billion in cash, or about US$11.2 billion net of the present value of US$2.2 billion of anticipated future cash tax benefits, and closed on November 21, 2019.

22. 2020Amgen

    Amgen joins the Dow Jones Industrial Average

    Amgen replaced Pfizer in the Dow Jones Industrial Average on August 31, 2020, becoming one of the thirty components in the index. Inclusion recognized the scale Amgen had reached and added passive demand from Dow-tracking funds.

23. 2020Assurant

    HYLA Mobile acquisition closes

    Assurant closed its acquisition of smartphone trade-in and upgrade provider HYLA Mobile on December 1, 2020, in a transaction the company valued at about $325 million, roughly doubling its device processing volumes.

24. 2021Assurant

    Global Preneed sold to CUNA Mutual Group

    Assurant closed the sale of its prearranged funeral and final expense business to CUNA Mutual Group on August 2, 2021 for about $1.35 billion, generating roughly $1.2 billion of net proceeds, and said it intended to return about $900 million of that through sh…

25. 2022Assurant

    Keith Demmings becomes CEO and headquarters moves to Atlanta

    Keith W. Demmings became president and chief executive officer in January 2022, succeeding Alan B. Colberg, who retired at the end of 2021 after seven years in the role.

26. 2023Amgen

    US$27.8 billion Horizon Therapeutics acquisition closes

    Amgen completed the acquisition of Horizon Therapeutics plc on October 6, 2023 for US$116.50 per share in cash, an equity value of about US$27.8 billion, after settling FTC litigation with a behavioral consent decree.

27. 2024Amgen

    Imdelltra becomes the first T-cell engager for small cell lung cancer

    The FDA granted accelerated approval to tarlatamab, sold as Imdelltra, on May 16, 2024 for extensive stage small cell lung cancer that has progressed on or after platinum-based chemotherapy.

28. 2024Assurant

    iSmash acquired in the United Kingdom

    Assurant acquired UK tech repair retailer iSmash on April 4, 2024, giving it 68 drop-in repair locations in the UK under the iSmash and Pocket Geek Tech Repair banners. Assurant also sold its mainland China operations during 2024.

29. 2025Amgen

    VESALIUS-CV extends the Repatha case to primary prevention

    In November 2025 Amgen reported Phase 3 VESALIUS-CV results in more than 12,000 patients with atherosclerosis or diabetes but no prior heart attack or stroke.

30. 2025Assurant

    FY2025 revenue of $12.81B and the OptoFidelity purchase

    Assurant reported FY2025 revenue of $12.81 billion and GAAP net income of $872.7 million, its ninth consecutive year of profitable growth, launched Assurant Home Warranty, and in October 2025 acquired OptoFidelity mobile device test automation portfolio to add…

31. 2026Amgen

    Medicare price setting reaches Enbrel and Otezla

    Enbrel's negotiated Medicare price under the Inflation Reduction Act took effect on January 1, 2026, after it was named in the first round of ten drugs selected for negotiation.

32. 2026Assurant

    RL Circular Operations acquired in Australia and New Zealand

    In January 2026 Assurant acquired RL Circular Operations, formerly TIC Reverse Logistics, the reverse logistics division of Australia and New Zealand based TIC Group, extending its post-purchase and circular economy capabilities across Asia Pacific.

Acquisitions

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