Rocket Lab’s Iridium bet comes with $3.6B of bridge debt

The transaction itself is not new; the financing burden is. Rocket Lab announced the Iridium merger on June 28, 2026, so the strategic combination was already known. This filing adds the clearest pro forma view of the consideration, debt structure and balance-sheet impact, rather than introducing a fresh operating surprise. (Merger Agreement; Preliminary purchase consideration)

| Cash and equivalents | $2.129B | $184M | $1.005B (Pro Forma Condensed Combined Balance Sheet)

| Total assets | $4.187B | $2.565B | $11.783B (Pro Forma Condensed Combined Balance Sheet)

| Total liabilities | $695M | $2.093B | $5.244B (Pro Forma Condensed Combined Balance Sheet)

| Stockholders’ equity | $3.492B | $473M | $6.540B (Pro Forma Condensed Combined Balance Sheet)

| Bridge Facility | — | — | $3.574B (Pro Forma Condensed Combined Balance Sheet)

| Rocket Lab shares issued to Iridium holders | — | — | 41.3M assumed shares (Pro Forma EPS disclosures)

Rocket Lab is funding a cash-heavy deal with temporary, expensive debt. The pro forma balance sheet assumes a $3.6B senior secured bridge facility, shown net at $3.574B, with an approximately 8.0% effective interest rate. Management says it intends to refinance on better terms, but provides no committed permanent financing, so the near-term financing risk is real rather than resolved. (Bridge Facility; Financing adjustment)

The deal also creates meaningful dilution, though that portion was largely embedded in the announced terms. At the August 7, 2026 reference price of $69.3305, the filing assumes an exchange ratio of 0.3894 and approximately 41.3M new Rocket Lab shares for Iridium holders. That expands the equity base while the combined company remains in a pro forma net-loss position. (Preliminary purchase consideration; Pro Forma EPS disclosures)

The accounting presentation makes the acquisition look much larger, but does not yet prove operating upside. Purchase accounting adds approximately $4.247B of acquired intangible assets and $2.103B of goodwill, while the filing explicitly excludes expected synergies, cost savings and revenue enhancements. Those benefits therefore remain an execution claim, not evidence delivered by this filing. (Purchase accounting adjustments; Pro Forma Condensed Combined Financial Information)

The net read is mixed: strategic scale is confirmed, but the immediate financial picture is more leveraged and less liquid. Pro forma cash falls to approximately $1.005B from Rocket Lab’s $2.129B historical balance, while the bridge debt becomes the dominant new liability. The picture is also incomplete because the pro forma statements exclude Iridium’s July 2, 2026 Aireon acquisition and related additional debt, including a $183.4M seller loan and $154.7M of existing Aireon term loans. (Pro Forma Condensed Combined Balance Sheet; Subsequent acquisition disclosure)