SCHEDULE: Davidson Kempner Exits Momentus Inc. Position

Davidson Kempner Capital Management and its affiliates have reported a 0% beneficial ownership stake in Momentus Inc. as of May 8, 2026.

Summary

• The filing confirms that Davidson Kempner Capital Management LP, along with its affiliates M.H. Davidson & Co. and Davidson Kempner Arbitrage, Equities & Relative Value LP, no longer hold a reportable beneficial ownership stake in Momentus Inc.
• The reporting persons disclose 0% ownership of the company's Class A Common Stock.
• The event triggering this filing occurred on May 8, 2026.

Sentiment

Score: 4

Explanation: StockSavvy.ai views this as a neutral-to-negative event, as the exit of a major institutional holder often signals a shift in investment strategy or a loss of conviction in the issuer's growth trajectory.

Positives

• The filing provides transparency regarding the exit of a significant institutional investor, allowing the market to adjust accordingly.

Negatives

• The departure of a major institutional investor like Davidson Kempner may be perceived as a lack of confidence in the issuer's near-term prospects.

Risks

• Potential negative market sentiment resulting from the divestment of shares by a prominent investment firm.

Future Outlook

No forward-looking guidance or outlook is provided in this ownership disclosure filing.

Industry Context

StockSavvy.ai notes that institutional divestment filings are common in the aerospace and space technology sectors as firms rebalance portfolios based on specific risk-reward profiles or liquidity needs.

Comparison to Industry Standards

• The filing follows standard SEC regulatory requirements for reporting changes in beneficial ownership by institutional investment managers.

Stakeholder Impact

• Shareholders may experience increased volatility as the market processes the exit of a significant institutional investor.

Next Steps

• No further actions required by the reporting persons regarding this specific holding.

Key Dates

Keywords

Momentus Inc, Davidson Kempner, Schedule 13G, Divestment, Institutional Investor, Class A Common Stock