Intuitive Machines (NASDAQ: LUNR), a Houston-based aerospace firm focused on lunar and orbital mission services, has reported significant insider activity through SEC filings. Chief Executive Officer Stephen J. Altemus executed a substantial open-market share reduction, offloading 2,000,000 directly-held shares during late December 2025 for approximately $31.5 million.
The Transaction: Scale and Timing
The divestment occurred across two trading sessions—December 19 and December 22, 2025—at a weighted average price of $15.75 per share. This scale represents a notable departure from Altemus’s typical trading patterns. His previous administrative transactions averaged around 61,432 shares, and historical sale volumes typically hovered near 550,000 shares. The 2 million-share reduction marked a substantially larger than usual capital reallocation.
The trade mechanics involved exercising 2,000,000 stock options, followed by immediate market sale of all underlying shares. Following this transaction, Altemus retained 14,368,615 directly-held shares, representing a 12.22% reduction in his direct stake.
Ownership Position Shift
Prior to this December action, Altemus held 16,368,615 shares. The current disposition aligns with a broader equity reduction pattern—since September 2024, his direct holdings have declined by approximately 20%. With LUNR trading at $15.75 at year-end, his remaining direct stake was valued around $226.3 million. The SEC Form 4 filing disclosed no indirect holdings as of the filing date.
Business Context and Market Environment
LUNR entered December 2025 with momentum, having rallied roughly 62% during the month’s first three weeks—one of the strongest monthly performances of the year. The stock’s year-end close of $15.75 reflected sustained investor interest.
Intuitive Machines operates with the following metrics:
Market capitalization: $2.73 billion
Trailing twelve-month revenue: $220.32 million
TTM net income: -$208.64 million
Business focus: Lunar access, orbital services, lunar data infrastructure, and space systems development supporting both robotic and human exploration missions
The company also announced the acquisition of Lanteris Space Systems, a spacecraft manufacturer, in November 2025, with finalization expected in Q1 2026.
Interpreting the Executive Action
Year-end insider share reductions frequently occur following strong equity performance, as executives rebalance portfolios or address tax planning. Selling into strength—particularly after December’s substantial rally—represents a common pattern among corporate leadership.
Additionally, pending acquisitions can motivate pre-completion share sales, as executives may anticipate post-merger adjustments or volatility. The Lanteris Space Systems integration timeline suggests this consideration may apply to Altemus’s current actions.
From an investor perspective, while frequent 2025 share sales might warrant monitoring, this particular transaction’s timing around historical performance peaks and a pending acquisition does not necessarily signal fundamental company deterioration. The disposal should be contextualized within normal executive capital management practices rather than interpreted as a bearish indicator for long-term shareholders.
Key Financial Snapshot
Metric
Value
Shares divested
2,000,000
Transaction value
$31.5 million
Weighted average sale price
$15.75
Post-transaction direct holdings
14,368,615
Post-transaction ownership value (direct)
~$226.3 million
Direct holdings reduction
12.22%
Year-over-year holdings decline (since Sept 2024)
~20%
Understanding the Terms
Open-market sale: Securities transactions executed on public exchanges at prevailing market prices, accessible to any participant.
SEC Form 4: Regulatory filing required from corporate insiders—executives, directors, and significant shareholders—disclosing equity transactions.
Direct holdings: Personally owned shares, distinct from beneficial ownership through intermediary entities.
Exercise of options: Activation of stock purchase rights at predetermined strike prices under option agreements.
Weighted average sale price: Per-share average accounting for volume distribution across multiple transactions.
TTM: Twelve-month trailing metric reflecting the most recent complete quarter’s data.
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Intuitive Machines CEO Divests 2 Million LUNR Shares Amid Strong Year-End Rally
Intuitive Machines (NASDAQ: LUNR), a Houston-based aerospace firm focused on lunar and orbital mission services, has reported significant insider activity through SEC filings. Chief Executive Officer Stephen J. Altemus executed a substantial open-market share reduction, offloading 2,000,000 directly-held shares during late December 2025 for approximately $31.5 million.
The Transaction: Scale and Timing
The divestment occurred across two trading sessions—December 19 and December 22, 2025—at a weighted average price of $15.75 per share. This scale represents a notable departure from Altemus’s typical trading patterns. His previous administrative transactions averaged around 61,432 shares, and historical sale volumes typically hovered near 550,000 shares. The 2 million-share reduction marked a substantially larger than usual capital reallocation.
The trade mechanics involved exercising 2,000,000 stock options, followed by immediate market sale of all underlying shares. Following this transaction, Altemus retained 14,368,615 directly-held shares, representing a 12.22% reduction in his direct stake.
Ownership Position Shift
Prior to this December action, Altemus held 16,368,615 shares. The current disposition aligns with a broader equity reduction pattern—since September 2024, his direct holdings have declined by approximately 20%. With LUNR trading at $15.75 at year-end, his remaining direct stake was valued around $226.3 million. The SEC Form 4 filing disclosed no indirect holdings as of the filing date.
Business Context and Market Environment
LUNR entered December 2025 with momentum, having rallied roughly 62% during the month’s first three weeks—one of the strongest monthly performances of the year. The stock’s year-end close of $15.75 reflected sustained investor interest.
Intuitive Machines operates with the following metrics:
The company also announced the acquisition of Lanteris Space Systems, a spacecraft manufacturer, in November 2025, with finalization expected in Q1 2026.
Interpreting the Executive Action
Year-end insider share reductions frequently occur following strong equity performance, as executives rebalance portfolios or address tax planning. Selling into strength—particularly after December’s substantial rally—represents a common pattern among corporate leadership.
Additionally, pending acquisitions can motivate pre-completion share sales, as executives may anticipate post-merger adjustments or volatility. The Lanteris Space Systems integration timeline suggests this consideration may apply to Altemus’s current actions.
From an investor perspective, while frequent 2025 share sales might warrant monitoring, this particular transaction’s timing around historical performance peaks and a pending acquisition does not necessarily signal fundamental company deterioration. The disposal should be contextualized within normal executive capital management practices rather than interpreted as a bearish indicator for long-term shareholders.
Key Financial Snapshot
Understanding the Terms
Open-market sale: Securities transactions executed on public exchanges at prevailing market prices, accessible to any participant.
SEC Form 4: Regulatory filing required from corporate insiders—executives, directors, and significant shareholders—disclosing equity transactions.
Direct holdings: Personally owned shares, distinct from beneficial ownership through intermediary entities.
Exercise of options: Activation of stock purchase rights at predetermined strike prices under option agreements.
Weighted average sale price: Per-share average accounting for volume distribution across multiple transactions.
TTM: Twelve-month trailing metric reflecting the most recent complete quarter’s data.