The 'Mystery Rival' Behind Rocket Lab's Iridium Bid Hike Never Made a Final Bid

The story of Rocket Lab's takeover of Iridium came with a neat villain. Rocket Lab had to hike its bid by about 30% to get to $54 a share, and the market's collective guess was that a mystery rival — possibly AST SpaceMobile — forced the price up. Then the merger proxy came out, and the villain turned out to barely exist as described. The rival's standing offer was $41 to $45 a share, in cash. It never followed up with a real bid, and Iridium's bankers eventually stopped answering its calls. The hike was real. The bidding war was basically a one-man auction.

Here is the sequence as Rocket Lab disclosed it in the proxy/prospectus it filed with the SEC in August. On April 15, a day after Amazon announced a multibillion-dollar deal to buy Globalstar and set every satellite-spectrum stock running, Rocket Lab proposed to buy Iridium for $42.50 a share, entirely in Rocket Lab stock, and asked for four weeks of exclusivity. Iridium's answer was to hire Evercore and run a sale process. Evercore reached out to ten other possible buyers; four signed confidentiality agreements. Only one of them, "Party B," got as far as due diligence before walking away. The only real bidder besides Rocket Lab was "Party A," a mystery suitor that had been talking to Iridium since the prior November and delivered its offer on June 2: $41 to $45 a share, all cash, with no financing contingency. That was the rival's one and only bid.

The next day Rocket Lab came back at $52. On June 5, Evercore played the oldest game in the book, telling each side the other was competitive — an "all-cash offer" with superior value certainty to Rocket Lab's bank, a "higher headline value" to Party A. It worked on exactly one of them. On June 9, Party A said it had limited flexibility; it might go to the top of its range, $45, but only if Iridium gave it exclusivity. It never submitted a final bid, never marked up the draft merger agreement, and never finished due diligence. Rocket Lab, meanwhile, came back on June 22 at $52 again, now $26 cash and $26 stock, and then on June 23 — after Evercore said the offer still did not provide enough "value certainty" given all that stock, and that Rocket Lab needed more downside protection or a higher headline price — it said fine, $54. $27 cash, $27 stock. In the same breath Rocket Lab asked Iridium to commit to exclusivity and to accept a termination fee of about 3.75% of the deal's equity value. Iridium said yes to both. That afternoon Party A's banker emailed asking for a call. Iridium ignored it. Party A tried again the next day. Ignored again.

So here is the part that should puncture the bidding-war story: the only other bidder capped itself at $45 — nine dollars below what Rocket Lab ended up paying — and quit without a final offer. Rocket Lab raised its own price, twice, effectively bidding against itself — the way people who run sale processes are paid to make buyers do. Analysts have guessed that Party A was AST SpaceMobile; satellite watcher Tim Farrar, who had previously named AST, Viasat, and Amazon as speculated suitors, called Rocket Lab's win "a bolt from the blue." Nobody knows — the proxy never names the party. But even under the ASTS theory, the rival does not explain the hike. A bidder that needed to borrow billions to offer all-cash at a small premium to an already-elevated market price did not push Rocket Lab to $54. That was the banker.

You can quibble with the 30% figure itself. From $42.50 to $54 is an increase of about 27%; the proxy's own framing cites a 30% premium over Iridium's three-month average, a 24% premium over its June 26 close, and an 89% premium over its price in early April, before the Globalstar speculation touched it. Either way, the premium is measured against a stock that had already moved a lot. Iridium went from about $28.50 in early April to about $43.50 by late June — the market had half-priced a deal before Rocket Lab ever appeared.

The other thing worth knowing, especially if you own either stock, is that $54 is not really $54. Half of it is cash, but half is Rocket Lab stock wrapped in a collar. If Rocket Lab's 10-day average price near the closing is between $67.50 and $112.50, Iridium shareholders get shares worth exactly $27 and the total is $54. Below $67.50 they get a fixed 0.4 shares apiece, worth less than $27; above $112.50 they get a fixed 0.24 shares, worth more. Rocket Lab's stock traded around $66 in late August, just under that lower bound, so at current prices the consideration is worth about $53.50 a share — and Iridium itself trades around $47, roughly 12% below that. Some of the gap is the ordinary merger-arbitrage spread for a deal that is not expected to close until mid-2027, with the shareholder vote scheduled for September 24. Some of it is the market's way of pricing the real risk that the consideration depends on Rocket Lab's own famously volatile stock, which is down more than half from its 52-week high of $151.

For Rocket Lab's shareholders, the thing to watch is the whole bill, not the headline premium. The deal values Iridium's equity at about $6 billion, and Rocket Lab's accounting estimate in the S-4 puts total consideration near $7.6 billion once you add the roughly $1.8 billion of Iridium debt being paid off — on a company worth about $40 billion. The cash piece, about $2.9 billion, is being funded with a $3.6 billion bridge loan and a replenished at-the-market stock-sale program, which is a way of saying part of the "cash" is new Rocket Lab shares sold to whoever shows up. On top of that, roughly 41 million Rocket Lab shares go to Iridium holders, leaving them with about 5% of the combined company. Rocket Lab is borrowing and printing stock to buy a business with about $872 million of revenue that grew 5% last year and about $495 million of operating EBITDA — the point of the trade being the spectrum, the satellite network, and the ability to launch replacements itself.

So the mystery-rival story, as told, is wrong in the way that matters: no rival made Rocket Lab pay up. But the transaction is still strange, just in a different place. A company worth roughly $40 billion is borrowing and printing stock to buy a slow-growing cash-flow business at about nine times sales, on the theory that owning the constellation and the spectrum turns a telecom into a platform. Maybe that works, and maybe Rocket Lab's own shares make the price self-correcting either way. But the hike that everyone argued about was never the interesting part. The interesting part is that the price isn't actually a price: it's $27 cash plus a ticket to the buyer's own stock market, and the market itself is telling you how much that is worth.