Manager, SEC Reporting

What we do

Aspen is a technology leader in sustainability and electrification solutions. The Company's aerogel technology enables its customers and partners to achieve their own objectives around the global megatrends of resource efficiency, e‑mobility, and clean energy. Aspen's Pyro Thin products enable solutions to thermal runaway challenges within the electric vehicle ("EV") market. The Company's Cryogel and Pyrogel products are valued by the world's largest energy infrastructure companies.

Aspen's strategy is to partner with world‑class industry leaders to leverage its Aerogel Technology Platform into additional high‑value markets. Aspen is headquartered in Northborough, Mass.

At Aspen, our values reflect who we are and how we work both with each other and our customers, suppliers, and communities. They shape our interactions, guide our decisions, and inspire us to bring our best. Whether collaborating internally or externally, our values drive us to make a meaningful impact within Aspen and in all our relationships.

• We Do the Right Thing
• We are Problem Solvers
• We are Allies
• We Drive Forward

Aspen Aerogels, Inc. is searching for a highly motivated, resourceful and technically strong SEC Reporting Manager to join our Finance team. This hands‑on role supports the preparation and review of SEC filings—including Forms 10‑Q, 10‑K, 8‑K, the Proxy Statement—as well as various internal and external reporting deliverables. The position plays a key part in maintaining internal controls over financial reporting, supporting the monthly close, and collaborating across functional departments.

The ideal candidate is a strong analytical thinker with exceptional attention to detail and the ability to manage multiple priorities in a fast‑paced environment.

• Adopt and follow Aspen's core values – We do the right thing, We are problem solvers, We are allies, and We drive forward.
• Lead the coordination and preparation of SEC filings including review of eXtensible Business Language (XBRL) tagging.
• Partner directly with Finance leadership to prepare quarterly earnings releases and investor presentations.
• Prepare and submit monthly bank/lender compliance financial packages.
• Support preparation of Audit Committee presentations.
• Lead the annual financial statement audit and quarterly reviews by providing audit schedules, support and responding to inquiries.
• Support the monthly financial close including:
  • Stock‑based compensation accounting: prepare journal entries, reconcile stock comp accounts, ensure appropriate valuation inputs, and support disclosure requirements under ASC 718.
  • Lease accounting: maintain and update lease schedules, prepare monthly journal entries, reconcile ROU asset and lease liability balances, and ensure ASC 842 compliance.
  • Prepare additional journal entries for other functional areas as needed.
  • Analyze key accounts for U.S. GAAP compliance.
  • Perform budget‑to‑actual comparisons and variance analyses.
  • Assess the adequacy of reserves and accruals.
• Drive ongoing development of Sarbanes‑Oxley documentation and compliance processes.
• Support emerging internal and external segment reporting for the company's expanding operations.
• Ensure the accuracy of financial information through monthly analysis and reconciliation; proactively identify and resolve discrepancies.
• Assist with the annual budgeting process, including working with department managers to develop forecasts.
• Research technical accounting matters and drive the implementation of new U.S. GAAP standards.
• Participate in special projects by supporting management and project teams across various tasks.

• S. in Accounting
• Strong technical accounting knowledge and understanding of U.S. GAAP and internal controls.
• Experience with SEC reporting guidelines.
• Minimum 5 years in public accounting or public company environment.
• Expert‑level Excel proficiency.
• Experience with Microsoft D365, DFIN or Flo Qast a plus.
• CPA designation preferred.

• Occasionally required to stand and walk.
• Frequently required to sit.
• Frequently required to utilize hand and finger…