David Abadi
Analyst · Wedbush
Thank you, Elad, and hello, everyone. Our discussion today will include non-GAAP financial measures. A reconciliation between our GAAP and non-GAAP financial measures is available, as Matt mentioned, in our earnings release and in the IR section of our website.
As Elad mentioned, we had a strong finish to the year with revenues that came in slightly ahead of our expectations. For Q4, non-GAAP revenue came in at about $125 million and adjusted EBITDA came in at $24 million. Non-GAAP gross margin was 71%, up 400 basis points year-over-year. During Q4, we won multiple 7- and 8-digit orders from existing and new customers driven by ongoing demand for our analytics software and our strong differentiation.
For the year, we generated $447 million of non-GAAP revenue, achieving sequential revenue growth each quarter. Non-GAAP gross margin came in 71%, up 530 basis points year-over-year. Adjusted EBITDA came in at $89 million for the year compared to Verint's reporting of $90 million. This $1 million difference was driven by Verint's cost allocation methodology when Cognyte was still a part of Verint. As Cognyte was part of Verint in FY '21, we don't view EPS as meaningful for last year.
Over the last few years, we have made investments to transition from a system integrator model to a software model. This investments are behind us as we completed the transition. We are now focused on accelerating our revenue growth with gradual margin expansion. We are pleased to report that last year, 85% of our revenue was generated from software, up 450 basis points from 2 years ago. Our long-term objective is to gradually increase the software mix up to a level approaching 90% of revenue.
Over the last few years, we have seen a dramatic improvement in gross margin, reaching 71% on a non-GAAP basis in FY '21, nearly 1,000 basis points since FY '19. Going forward, we expect our gross margin to gradually improve, consistent with the expected improvement in our software mix.
Turning to FY '22. I'm pleased to share that we have started the year with a strong first quarter. There are a couple of days left before Q1 ends, and our current forecast for revenue is between $113 million and $115 million, representing 10% to 12% year-over-year growth. We also expect strong Q1 profitability with EPS of at least $0.15.
For the full year, we expect $490 million of revenue, plus or minus 2%, reflecting approximately 10% year-over-year growth at the midpoint. We expect annual EPS to come in at $0.80, at the midpoint of the revenue range. Our confidence in the outlook has improved due to a strong Q1, faster delivery cycle as a result of our transition to software model and a steady and gradual increase in recurring revenue.
Let me share with you a little more color on how we see the year progressing. For revenue, we expect sequential increase throughout FY '22 with year-over-year growth of over 10% in Q1, slightly below 10% in Q2 and Q3 and approximately 10% in Q4, bringing total revenue to $490 million. We expect gross margin to be up year-over-year to approximately 71.5% with gross margin fluctuation quarter-to-quarter based on our revenue mix.
For operating expenses, we expect Q1 to be slightly below Q4 fiscal year '21, followed by sequential increases throughout the year. As previously discussed, we expect OpEx to increase 15% for the full year, primarily due to the $15 million of separation-related dis-synergies.
For taxes, we expect our cash tax rate to be slightly above 10%. For share count, we sold 67.25 million medium weighted average fully diluted shares in FY '22, based on calculation, taking the full effect of the spin-off from Verint.
Based on these assumptions, we expect around $0.15 of EPS in both Q1 and Q2, increasing sequentially in Q3 and Q4, for a total of $0.80 for the full year. Our EPS guidance of $0.80 reflects $85 million of adjusted EBITDA or 40% year-over-year growth in adjusted EBITDA normalized for the spin-off dis-synergies.
In summary, following the separation from Verint, we are excited about the journey ahead as a pure-play security analytics company. With cutting-edge analytics and AI technology and strong track record, we are well positioned to grow in a large addressable market driven by favorable trends. For the current year, we expect 10% revenue growth and 14% normalized adjusted EBITDA growth. Looking beyond the current year, we expect revenue growth to accelerate and our margins to continue to expand as we execute on our growth strategy.
With that, I would like to hand over the operator to open the line for questions. Operator?