ACME PACKET INC

Operating margin

6.1%

Net margin

3.4%

Return on equity

0.5%

Return on assets

0.4%

Return on capital (ROCE)

0.8%

Liabilities / assets

—

Debt / equity

—

Book value / share

$7.47

Revenue growth (YoY)

−4.2%

Net income growth (YoY)

−82.3%

Computed from the company's own SEC figures — no market price, so these are facts, not a valuation. Book value per share is reported equity ÷ shares; it is not the stock price.

Accruals / assets

−10.1%clean

Piotroski F-Score

4/8mixed

Altman Z″is a textbook bankruptcy-distress score from book values only (>2.6 safe · 1.1–2.6 grey · <1.1 distress). Accruals = (net income − operating cash flow) ÷ assets; persistently high accruals are an earnings-quality red flag. Beneish M-Scoreis an eight-ratio screen comparing this year with last (M > −1.78 = elevated manipulation-risk screen, not proof). Piotroski F-Scorecounts how many of nine fundamental-health checks pass (shown as passed / applicable; we use operating margin and total liabilities as documented proxies where the exact input isn't XBRL-tagged). Computed from SEC filings — descriptive factors, not advice or a forecast.

• Completed an acquisition or disposition · Delisting / listing-standard notice · Modified shareholder rights · Change in control · Director / officer change · Amended charter or bylaws · Shareholder voteMar 28, 2013
• Entered a material agreement · Results of operations · Other material eventFeb 4, 2013
• Results of operationsOct 25, 2012
• Results of operationsJul 26, 2012
• Regulation FD disclosureJul 12, 2012
• Results of operationsJul 6, 2012
• Shareholder voteMay 10, 2012
• Results of operationsMay 2, 2012

Events the company reported on Form 8-K, labelled by the SEC item code it filed under — its own classification, not our interpretation.