Rocket Lab (RKLB) has many positive attributes, including its new initiatives and its generally commendable fourth-quarter financial results. Still, in light of the ongoing problems facing the company’s Neutron rocket, along with the elevated valuation of RKLB stock and the large number of shares sold by its CFO, I continue to recommend that investors avoid owning RKLB at this point.

New Initiatives and Upbeat Q4 Results

Very impressively, Rocket Lab in December was awarded an $816 million contract “by the U.S. Space Development Agency (SDA) to design and manufacture 18 satellites for the Tracking Layer Tranche 3 (TRKT3) program under the Proliferated Warfighter Space Architecture (PWSA).” The agreement certainly indicates that the SDA trusts Rocket Lab’s technology and, therefore, suggests that RKLB is very well-positioned to benefit a great deal from Washington’s extensive initiatives in space over the long term.

And on February 27, Rocket Lab’s rocket platform successfully powered a hypersonic flight, enabling an aircraft to fly “at speeds several times faster than sound.” The company has already secured multiple deals involving the use of its rocket platform for hypersonic test flights. These agreements have generated “several billion dollars” of revenue for the firm, suggesting that the widespread advent of hypersonic flight will ultimately tremendously boost the company’s financial results.

Finally, RKLB recently introduced “advanced silicon solar arrays designed to power gigawatt-scale space-based data centers.” With both Elon Musk and Jeff Bezos talking seriously about introducing data centers into space, this business could become very lucrative for RKLB.

Meanwhile, last quarter, Rocket Lab’s revenue jumped to $179.65 million, versus $132.39 million in Q4 of 2024, while its operating loss dropped slightly to $51 million from $51.55 million. What’s more, the firm impressively “Signed more than 30 new launch contracts in 2025,” and its backlog soared 73% versus the same period a year earlier to a record $1.85 billion.

Neutron’s Ongoing Issues

The debut of Neutron, the company’s medium-lift rocket which is expected to be quite important for its future, has been delayed again. Most recently, Rocket Lab disclosed on February 26 that the rocket’s inaugural launch would be postponed until “at least” Q4 of 2026. Before the latest announcement, the rocket had been scheduled to debut in mid-2026. And previously, Neutron was slated to initially launch by Q4 of 2025.

According to the firm, the latest delay was caused by a ruptured main stage tank which in turn was triggered by a manufacturing defect on the part of a contractor. Although Rocket Lab indicated that the postponement until at least Q4 of 2026 was due to the firm wanting to be very careful with the issue, the extent of the delay leads me to believe that the problem could be difficult to fix.

Stock Sales and Valuation

RKLB CFO Adam Spice on March 2 unloaded 59,714 shares of the company’s stock worth about $4.3 million. Spice’s share sales came after he sold 1.387 million shares on January 5. As I pointed out in a previous column, “Spice’s sale of such a large number of shares could indicate that he is somewhat unsure about the firm’s medium-term outlook.”

With the shares changing hands at a very high price-sales ratio of 65.6 times, RKLB stock looks too risky for investors to buy for now.

Key Points at a Glance

Rocket Lab continues to show strong operational momentum with major defense contracts, expanding hypersonic testing work, and improving financial results, but key risks remain. Delays to the company’s highly anticipated Neutron rocket, significant insider stock sales by its CFO, and a very high price-to-sales valuation create uncertainty around the near-term outlook for RKLB stock. While Rocket Lab appears well positioned for long-term growth in the space and defense sectors, the current risk profile suggests investors may want to remain cautious for now.

 

*This article is intended to be informational only; it is not financial advice.

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Larry Ramer has been a business news writer for nearly 20 years. He has been employed by The Fly, The Jerusalem Post, and Israel's largest business newspaper, Globes, and is currently a freelance editor and columnist for InvestorPlace.