Mercury Systems: Q4 Miss and CFO Performance Forfeiture
Mercury Systems reported Q4 FY2026 revenue growth of 11.5% and record bookings but posted adjusted EPS of $0.37, missing the $0.38 FactSet consensus, and the stock fell 7.4% in a single session. Four
Mercury Systems Falls After Q4 Miss Despite Record Backlog
NEW YORK, August 19 —
Mercury Systems, Inc. (MRCY) posted record bookings and 11.5% revenue growth in Q4 FY2026, then lost 7.4% in a single session. Four days before the August 18 earnings 8-K, four executives disposed of 96,234 shares via non-market transactions, including a CFO performance share forfeiture, a sign that internal benchmarks went uncleared in the same quarter that produced those records.
- Q4 adjusted EPS of $0.37 missed the $0.38 FactSet consensus, ending three straight quarters of triple-digit percentage beats.
- CEO Ballhaus disposed of 70,287 shares on August 14; combined executive non-market dispositions totaled 96,234 shares that day.
- Mercury trades at 48.9x forward earnings against a trailing GAAP EPS of -$0.21 and $0.33 billion in net debt.
The Forfeiture Signal
On August 14, four Mercury executives disposed of 96,234 shares via non-market transactions, per Form 4 filings, four days before the earnings 8-K landed. The largest single block, 70,287 shares, came from CEO William L. Ballhaus, who retains 304,689 shares. CFO David E. Farnsworth's 16,275-share disposition was structured as a performance share forfeiture, not a sale, meaning predetermined internal benchmarks went uncleared, a harder signal than a scheduled 10b5-1 sale, which is arranged in advance and separated from current operating results. Non-market dispositions occur routinely as vesting-period tax settlements, but the scale and timing, in the final week of the fiscal quarter, leave few routine explanations.
Record Orders, Unrecovered Margin
Mercury Systems designs and manufactures electronic warfare components, including digital radio frequency memory units, radar simulation systems, and signals intelligence payloads, embedded in defense prime contractors' platforms rather than reaching end users directly. Revenue grew 11.5% to $0.97 billion, and the company generated $97 million in free cash flow on a trailing twelve-month basis. Gross margin sits at 28.7%, and the GAAP income statement shows a -$0.21 trailing EPS loss, implying adjusted figures absorb considerable non-cash charges. Record bookings extend the order pipeline; they do not, by themselves, solve the margin structure problem, a gap worth running through a DCF calculator.
| Ticker | Mkt cap | Fwd P/E | 52-wk |
|---|---|---|---|
| MRCY | $6.3B | 47.2x | +62.7% |
| ATRO | $3.7B | 29.0x | +213.6% |
| WWD | $21.6B | 34.1x | +48.7% |
| CW | $25.7B | 40.6x | +44.8% |
| MKSI | $20.3B | 17.2x | +202.1% |
A Multiple That Can't Wait
At $105, Mercury trades at 48.9x forward earnings, a multiple that prices in a move from GAAP losses to genuine profitability. The analyst consensus target of $106.22 leaves less than 1.2% implied upside, meaning the optimistic scenario is already embedded in the price. With 9.6% of the float held short and $0.33 billion in net debt, the risk/reward is unfavorable until GAAP results match adjusted figures. The number to watch: whether record backlog translates to gross margin expansion beyond 28.7% in the next quarter; if it does not, the multiple will not hold. Run the free Mercury Systems, Inc. deep-dive →
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Frequently Asked Questions
Why did Mercury Systems stock fall after earnings?
Mercury Systems' adjusted EPS of $0.37 missed the $0.38 FactSet consensus, ending three straight quarters of triple-digit percentage beats. The stock lost 7.4% in a single session following the August 18 earnings release.
What is a performance share forfeiture?
A performance share forfeiture occurs when predetermined internal benchmarks go uncleared, which the article distinguishes as a harder signal than a scheduled 10b5-1 liquidation. CFO David E. Farnsworth's 16,275-share disposition on August 14 was structured as a forfeiture, not a sale, four days before the earnings 8-K landed.
What were the Mercury Systems insider share disposals?
Four Mercury Systems executives disposed of 96,234 shares via non-market transactions on August 14, four days before the earnings release. The largest block came from CEO William L. Ballhaus, who disposed of 70,287 shares and retains 304,689 shares.
What is Mercury Systems' current valuation?
s at 48.9x forward earnings against a trailing GAAP EPS of -$0.21 and $0.33 billion in net debt. The analyst consensus target of $106.22 implies less than 1.2% upside from the $105 share price, with 9.6% of the float held short.
What products does Mercury Systems make?
Mercury Systems designs and manufactures electronic warfare components, including digital radio frequency memory units, radar simulation systems, and signals intelligence payloads. These are embedded in defense prime contractors' platforms rather than reaching end users directly.
Mercury Systems stock fell 7.4% after reporting Q4 adjusted EPS of $0.37 — a penny below the $0.38 consensus — ending a three-quarter streak of triple-digit percentage beats. The sell-off came even as the company touted record bookings and backlog, forcing investors to weigh a strengthening order pipeline against a valuation that already prices in a significant profitability improvement the GAAP income statement has not yet delivered.