Brookline Capital Acquisition Corporation *
PROPOSED BUSINESS COMBINATION: Apexigen, Inc.
ENTERPRISE VALUE: $205 million
ANTICIPATED SYMBOL: APGN
Brookline Capital Acquisition Corporation proposes to combine with Apexigen, Inc., a clinical-stage biopharmaceutical company focused on discovering and developing a new generation of antibody therapeutics for oncology,
- Apexigen’s wholly-owned pipeline is focused on antibody-based therapeutics for oncology, with an emphasis on new immuno-oncology agents that may focus on the patient’s immune system to combat and eradicate cancer.
- The company’s pipeline of immuno-oncology therapeutic candidates is led by sotigalimab, which is currently in Phase 2 clinical development, and includes multiple preclinical programs.
- Sotigalimab and Apexigen’s other programs were discovered using Apexigen’s proprietary APXiMAB™ discovery platform.
- This platform has enabled Apexigen and its collaboration partners to discover and develop high-quality therapeutic antibodies against a variety of molecular targets, including targets that are difficult to drug with conventional antibody technologies.
- Multiple product candidates have been discovered using the APXiMAB platform, one of which is commercially available and the others are in clinical development, either internally by Apexigen or by its licensees.
EXTENSION – 4/26/22 – LINK
- The SPAC approved the extension from May 2, 2022, on a monthly basis up to November 2, 2022.
- Stockholders elected to redeem 688,408 shares
- For each monthly extension, the SPAC will contribute $0.0333/Share
TRANSACTION
- The transaction values Apexigen at $205 million on a net-equity basis, net of exercise proceeds for Apexigen’s pre-closing options and warrants.
- As a result of the transaction, gross proceeds available to the Combined Company at closing will be approximately $73 million funded by approximately $58 million in cash held in Brookline Capital Acquisition Corp.’s trust account (assuming no stockholders exercise their redemption rights at closing and before transaction expenses) and $15 million from a fully committed PIPE that involves the sale of units consisting of one share and half a warrant for one share at a purchase price of $10.00 per unit.
- The PIPE includes participation from healthcare institutional and individual investors. This does not include proceeds from Lincoln Park’s $50 million committed equity line.
- In addition, Brookline Capital Acquisition Corp. and Lincoln Park have entered into a committed investment agreement and related registration rights agreement under which the Combined Company will have the right to direct Lincoln Park to purchase up to an aggregate of $50 million of common stock of the Combined Company over a 24-month period under certain conditions and restrictions as outlined in Brookline’s Form 8-K. Sales of shares of common stock to Lincoln Park would be subject to the filing and effectiveness of a registration statement with the SEC, which would not occur until after closing the business combination between Apexigen and Brookline.

PIPE
- A group of healthcare investors and existing Apexigen stockholders has committed to participate in the transaction through a $15 million common stock and warrant PIPE at a purchase price of $10 for a unit consisting of one share and a half warrant for one share.
LOCK-UP
- Each of the Holders will not Transfer:
- (A) half of any shares of Brookline Capital Securities beneficially owned or otherwise held by such Holder until the earlier of:
- (i) six (6) months after the date of the Closing or
- (ii) the date on which, the reported closing price of one share of Common Stock equals or exceeds $12.50 per share (as adjusted for stock splits, stock dividends, reorganizations, recapitalizations and the like occurring after the Closing) for any 20 trading days within any 30 trading day period commencing after the Closing, and
- (B) for the remaining half of any such shares of Brookline Capital Securities beneficially owned or otherwise held by such Holder until the date that is six (6) months after the date of the Closing.
- (A) half of any shares of Brookline Capital Securities beneficially owned or otherwise held by such Holder until the earlier of:
NOTABLE CONDITIONS TO CLOSING
- Brookline Capital shall have net tangible assets of at least $5,000,001 (excluding assets of Apexigen)
NOTABLE CONDITIONS TO TERMINATION
- If the Effective Time has not occurred by October 31, 2022 (the “Outside Date”).
- Additionally, Brookline Capital is allowed to terminate the Business Combination Agreement if Apexigen fails to deliver:
- (a) the Stockholder Support Agreement signed by the holders of at least 50.1% of the Apexigen Capital Stock within 30 days of the date of the Business Combination Agreement or
- (b) the Written Consent of the stockholders of Apexigen at least ten (10) Business Days prior to the BCAC Stockholders’ Meeting.
ADVISORS
- Brookline Capital Markets is acting as capital markets advisor to Brookline Capital Acquisition Corp.
- Wedbush PacGrow is acting as exclusive strategic financial advisor to Apexigen.
- DLA Piper LLP (US) is serving as legal advisor to Brookline Capital Acquisition Corp.
- Wilson Sonsini Goodrich & Rosati, P.C. is serving as legal advisor to Apexigen.
MANAGEMENT & BOARD
Executive Officers
Dr. Samuel P. Wertheimer, 60
Chief Executive Officer and Chairman
Dr. Wertheimer has been an investor in the healthcare and life sciences sectors, entrepreneur, and scientist. He joined Brookline Capital Markets in 2017 as Senior Scientific Advisor. His role is to identify opportunities, diligence, structure investments, and raise capital for banking clients. From 2012 to 2016, he served as co-founder of Poliwogg, Inc. a financial services firm bringing innovation to healthcare investing. While at Poliwogg, he helped develop the Poliwogg Medical Breakthrough Index that serves as the underlying index for the ALPS Medical Breakthrough ETF (SBIO). From 2000 to 2011, Dr. Wertheimer was a Private Equity Partner at OrbiMed Advisors, LLC, one of the world’s largest healthcare-dedicated investment firms. At OrbiMed, Dr. Wertheimer was involved in raising and investing four venture capital funds with more than $1.5 billion in committed capital. He previously served on the boards of multiple public and private companies, including Biodel (NASDAQ: BIOD); a developer of drug delivery technologies, from 2006 to 2009; ChemoCentryx (CCXI), a development stage biotechnology company, from 2001 to 2011; Corus Pharma (acquired by Gilead), a development stage biotechnology company from 2001 to 2006; InteKrin Therapeutics (acquired by Coherus), a development stage biotechnology company from 2007 to 2010; NeurAxon, a development stage biotechnology company, from 2007 to 2010; and Salmedix (acquired by Cephalon), a development stage biotechnology company, from 2004 to 2005. He helped bring to market several new drugs including Treanda®, Cayston®, and Orbactiv®. Dr. Wertheimer received his Doctor of Philosophy degree from New York University, his Master of Public Health, with Honors, from Yale University and his Bachelor of Arts from the Johns Hopkins University.
Scott A Katzmann, 64
President and Director Nominee
Mr. Katzmann is a co-founder of Brookline Capital Markets. At Brookline Capital Markets, Mr. Katzmann leads its Private Capital team. Prior to co-founding Brookline in 2016, Mr. Katzmann served as Senior Managing Director of Opus Point Partners, an investment firm dedicated to healthcare and life science investing, from 2011 to 2013. Mr. Katzmann was formerly a Managing Director at Paramount BioCapital from 1993 to 2011. Prior to Paramount, Mr. Katzmann held similar investment banking positions at First Boston and its successor, Credit Suisse First Boston. Mr. Katzmann received his B.A. in Economics from Tulane and his M.B.A. from the Wharton School at the University of Pennsylvania.
Patrick A. Sturgeon, 44
Chief Financial Officer
Mr. Sturgeon has nearly two decades of experience with M&A and equity capital market transactions in the healthcare and other sectors. He has served as a Managing Director at Brookline Capital Markets, since 2016. At Brookline, Mr. Sturgeon focuses on mergers and acquisitions, public financing, private capital raising, secondary offerings, and capital markets. On the public financing front, he focuses on SPAC transactions, primarily underwritten initial public offerings and initial business combinations. From 2013 to 2016, Mr. Sturgeon served as a Managing Director at Axiom Capital Management. He worked at Freeman & Co. from 2002 to 2011, where he focused on mergers and acquisitions in the financial services sector. Since July 2020 he has served as Chief Financial Officer and Secretary of Alpha Healthcare Acquisition Corp., a blank check company which has filed a registration statement in connection with its initial public offering. Mr. Sturgeon received his B.S. in Economics from the University of Massachusetts, Amherst and his M.B.A in Finance from New York University.
Board of Directors
James N. Hauslein, 61
Director
Mr. Hauslein has served as a Managing Director of Hauslein & Company, Inc., a private investment firm, since 1990. In 2015, Mr. Hauslein led the recapitalization/acquisition of Big Time Products LLC, or BTP, a leading supplier of workplace hand protection and related products into the consumer DYI/Pro retail channel (The Home Depot, Wal-Mart, ACE, True Value et. al.). The 2015 recapitalization was in partnership with BTP’s co-founders and three institutional investors. In 2018, BTP was sold to the Hillman Group (a portfolio company of CCMP). During the period that Mr. Hauslein was a shareholder of BTP, he served as Executive Chairman and then Chief Executive Officer. Under Mr. Hauslein’s leadership, BTP completed its first add-on acquisition in 2015 and its second add-on acquisition in 2016. Under Mr. Hauslein’s leadership, the company became a leader in the non-apparel ‘work gear’ product category. Mr. Hauslein was involved in the acquisition of a controlling interest in Sunglass Hut International in 1987 and subsequently led the buyout in 1991 and the initial public offering in 1993. Mr. Hauslein served as Executive Chairman of Sunglass Hut International from 1991 until 2001, and for part of his tenure was Chief Executive Officer of Sunglass Hut (1997 to 1998 and for several months in 2001). Under Mr. Hauslein’s leadership, Sunglass Hut grew in revenue from approximately $37 million in 1987 to approximately $680 million in 2000 prior to the sale to Luxottica Group SpA. At the time of the sale to the Luxottica Group, Sunglass Hut operated approximately 2,000 company-owned stores in North America, Europe, Asia and the Caribbean. While at Sunglass Hut, Mr. Hauslein presided over numerous add-on acquisitions in the United States and Australia as well as organic growth in North America, the Caribbean, and Europe and a joint venture in Singapore. Mr. Hauslein previously served on the Board of Directors of Atlas Acquisition Holdings Corp., Easterly Acquisition Corp., Freedom Acquisition Holdings Inc., GLG Partners, Inc. and Liberty Acquisition Holdings Corp. Mr. Hauslein served as Chairman and Chief Executive Officer of Atlas Acquisition Holdings Corp. from 2007 until 2010. Atlas Acquisition Holdings Corp. liquidated in 2010 and did not complete a business combination. Freedom Acquisition Holdings Inc. completed a business combination with GLG Partners, Inc. in 2007 and GLG Partners, Inc. was subsequently sold to the Mann Group in 2010. Liberty Acquisition Holdings Corp. completed a business combination with Promotora de Informaciones S.A. in 2010. Prior to completing a business combination with Sirius International Insurance Group, Mr. Hauslein resigned from the Board of Directors of Easterly Acquisition Corp. Mr. Hauslein is not currently an officer or director of any of these companies. From 2015 until 2018, Mr. Hauslein served on the board of NB Parent Company, the parent holding company for Big Time Products, LLC. Mr. Hauslein received his MBA from Cornell University’s Johnson Graduate School of Management, and his Bachelor of Science in Chemical Engineering from Cornell University.
Elgar Peerschke, 64
Director
Mr. Peerschke is a C-level executive with multi-national experience in the US, Europe, and Latin America. Over the course of his career he has had extensive regional and global P&L responsibilities. He has been acting in the capacity of independent investor and advisor since 2017. From 2014 to 2017, he served as Senior Advisor to several C-suite executive officers at IQVIA, a human data science company. In these roles, Mr. Peerschke was responsible for driving the consultative sales organizations as well as large deals/sole providerships for QuintilesIMS, a global provider of technology solutions and contract research services to the healthcare industry. Prior to IQVIA, Mr. Peerschke spent over 20 years in consulting, focusing on serving clients in the healthcare industry, primarily pharma/biotech and related services companies with extensive in clinical development strategy/operations, market access and product launch as well as organization design, performance improvement, corporate M&A, diligence, growth opportunities and post-merger integration. He is a director of ARdVRk Technologies, a private virtual reality company in the healthcare and life sciences field. Over his 20 years in consulting, he held various leadership positions at Bain & Company, including as Managing Director — North American Healthcare Practice and Managing Director — Global Healthcare Practice, as well as McKinsey and Company prior to that. Mr. Peerschke holds an MBA from New York University in Finance and a BA from Rutgers University in Political Science.
Tito A. Serafini, PhD, 56
Director
Dr. Serafini is one of the three principal founders of Atreca, Inc. (Nasdaq: BCEL), a public, development-stage biotechnology company, where he serves as a member of the board of directors. Dr. Serafini was the Chief Executive Officer from Atreca’s inception in 2010 until 2018, and as part of his current operational role as Chief Strategy Officer, Dr. Serafini is responsible directly for the non-clinical technical organization of the company. Before founding Atreca, he was Chief Scientific Officer of Nuon Therapeutics, a development-stage biotechnology company, from 2009 to 2011. Prior to his role at Nuon, Dr. Serafini was a co-founder of Renovis, Inc., where he served as an executive officer in multiple roles, including leading research and M&A functions. Prior to founding Renovis, Dr. Serafini was an award-winning faculty member in the Department of Molecular and Cell Biology at the University of California, Berkeley, where he established the university’s Functional Genomics Laboratory. Dr. Serafini received a BS in biochemistry from Case Western Reserve and a PhD in biochemistry from Stanford University (advised by Dr. James Rothman), and he performed postdoctoral research at the University of California, San Francisco, in the laboratory of Dr. Marc Tessier-Lavigne.
