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ServiceNow RSU Tax Planning for NOW Employees (2026)

ServiceNow has built one of the most valuable enterprise software franchises in history — and along the way, created a large population of employees holding significant RSU wealth. If you're a current or former ServiceNow employee with RSU grants, a concentrated NOW position, or a pending vest event, the tax issues are specific to your income level and California residency. This guide covers the withholding gap, concentrated-stock risk, and the planning moves that matter most for ServiceNow employees in 2026.

The core problem for most ServiceNow RSU holders in California: ServiceNow withholds federal tax at the supplemental rate of 22%. For employees whose total compensation puts them in the 37% federal bracket — common at L5 and above in Santa Clara — plus California's 13.3% top marginal rate, the real combined rate on RSU vest income is around 50%. That 28-percentage-point gap accumulates silently across every quarterly vest, and many employees don't realize the size of the April bill until it's already overdue.

How ServiceNow RSUs work

ServiceNow issues restricted stock units on a standard enterprise-software schedule. Key mechanics:

The withholding gap at ServiceNow income levels

The federal supplemental withholding rate is 22% on the first $1,000,000 of supplemental wages from one employer in a calendar year, and 37% above that threshold.2 For most ServiceNow employees, RSU vest income is withheld at 22%.

A worked example for a Senior Software Engineer in Santa Clara:

Income component Amount
Base salary (Senior Software Engineer, Santa Clara) $260,000
RSU vesting (one year of 4-year grant at current NOW price) $280,000
Total W-2 income $540,000
Federal marginal rate (37% bracket) 37%
California marginal rate 13.3%
Combined marginal rate on RSU income 50.3%
RSU withholding at 22% on $280K $61,600
Actual tax liability at 50.3% on $280K $140,840
Gap owed at April filing ~$79,240 owed

This example excludes the 0.9% Additional Medicare Tax (applies above $200K for single filers / $250K MFJ), bonus income, ESPP gain, and any state-level withholding shortfall specific to California's supplemental withholding schedule. Staff and principal engineers with larger grants face proportionally larger gaps. Use the RSU tax calculator to model your specific numbers.

The withholding gap by career level in California:

Level Est. annual RSU vest 22% withheld 50.3% owed Approx. gap
L4 / SWE II (Santa Clara) $100,000 $22,000 $50,300 ~$28,300
L5 / Senior SWE (Santa Clara) $200,000 $44,000 $100,600 ~$56,600
L6 / Staff SWE (Santa Clara) $400,000 $88,000 $201,200 ~$113,200

These are rough estimates. Actual comp packages vary by function, hire date, and individual negotiation. The withholding gap at each level represents money you will owe at tax time if you don't make quarterly estimated payments or adjust your W-4. The RSU W-4 withholding guide explains how to close the gap using W-4 Step 4(c) adjustments and the RSU estimated tax guide covers the quarterly safe-harbor math.

Concentrated NOW stock risk

NOW has been one of the best-performing enterprise software stocks of the last decade. Employees who received grants when the stock was lower — and didn't sell at each vest — may now hold a position worth substantially more than the original grant value. For long-tenured ServiceNow employees, it's not unusual for a single-ticker NOW position to represent 30–60% of total investable net worth.

The standard framework for concentrated single-stock positions applies directly:

For strategies including systematic sell-down schedules, direct indexing, exchange funds, and charitable donation of appreciated shares, see the concentrated stock guide and concentrated stock calculator.

The 10b5-1 solution for ServiceNow employees

A Rule 10b5-1 trading plan lets you pre-commit to a specific sell schedule — by date, quantity, or price trigger — during a period when you don't possess MNPI. Once adopted, the plan executes automatically, including during otherwise-closed windows.

After the SEC's December 2022 amendments, new plans must observe a 90-day cooling-off period for non-officer employees or 120 days for directors and executive officers before the first scheduled trade executes.3 This means you must establish the plan well before you need the liquidity — not in response to a pending blackout window.

A well-designed 10b5-1 plan for a ServiceNow employee typically:

See the 10b5-1 trading plans guide for the full SEC rule change analysis and setup considerations.

State tax for ServiceNow employees

ServiceNow's main U.S. offices are in Santa Clara (headquarters), Kirkland WA, New York City, and several other markets. Each state has materially different tax treatment for RSU vesting income.

California (Santa Clara, San Francisco Bay Area)

The majority of ServiceNow's technical and senior leadership workforce is California-based. California rules that affect RSU holders most:4

Washington (Kirkland)

Washington has no personal income tax. RSU vest income in Kirkland is subject to federal tax but not Washington state income tax, making the combined rate roughly 37% at the top federal bracket — versus 50.3% in California. However, Washington's capital gains excise tax — effective 2023 — imposes a 7% rate on annual long-term capital gains over approximately $278,000 and a 9.9% rate on gains exceeding a higher threshold. ServiceNow employees who relocated from California to Kirkland see a dramatic reduction in RSU vest tax, but face the capital gains tax when they sell appreciated NOW shares they held after establishing Washington domicile.

New York City

NYC residents pay federal income tax, New York State income tax (up to 10.9%), and New York City income tax (up to 3.876%). The combined top marginal rate for NYC residents exceeds 51% — comparable to California in aggregate, but with different sourcing rules. New York's convenience-of-employer rule (TSB-M-07(7)I) can complicate the picture for remote workers nominally based in other states but working for a New York employer.5

Texas, Florida, and other zero-income-tax states

ServiceNow has offices in other lower-tax states. Employees in Texas and Florida pay federal tax only on RSU vest income — a combined rate of approximately 37% at the top federal bracket, versus 50.3% in California. The effective annual difference on $200,000 of RSU vesting is roughly $26,000 in avoided state income tax. If you're evaluating a relocation, the break-even analysis also needs to account for California's nonresident allocation on existing grants and any changes to your concentrated NOW position's exit cost. See the RSU state tax guide.

Year-end planning moves for ServiceNow employees

The fourth quarter is the highest-leverage planning window. Key moves to complete before December 31:

  1. Maximize 401(k) contributions: The 2026 employee deferral limit is $24,500 ($32,500 for ages 50–59 and 64+; $36,000 for ages 60–63 via the SECURE 2.0 "super catch-up").6 Pre-tax contributions reduce AGI directly, shifting some RSU vest income out of the top federal and California brackets.
  2. Mega backdoor Roth: If ServiceNow's 401(k) plan allows after-tax contributions and in-plan Roth conversions, the 2026 § 415(c) total annual additions limit is $72,000. With the $24,500 deferral and employer match, there may be up to approximately $40,000–$47,000 in after-tax contribution space. This creates a tax-free growth vehicle that's particularly valuable at ServiceNow income levels. See the mega backdoor Roth guide. Verify your plan documents — not all plans support this feature.
  3. Check for NQDC elections: If ServiceNow offers a non-qualified deferred compensation plan for eligible employees, the election to defer 2027 compensation must typically be made by December 31, 2026. NQDC can meaningfully reduce current-year W-2 income for very high earners. See the NQDC guide.
  4. Quarterly estimated tax check: After Q3 vest (typically September), compare year-to-date withholding against your projected full-year tax liability. An EFTPS payment to the IRS and an FTB payment to California before January 15 can close a shortfall without underpayment penalty if you meet the prior-year safe harbor (110% of prior-year liability for AGI over $150K). See the estimated tax guide.
  5. Tax-loss harvesting: Look for unrealized losses in your broader portfolio to offset NOW gains realized during the year. Be aware of the wash-sale rule's interaction with your RSU vest calendar — if you hold NOW in a taxable account, new NOW shares acquired at quarterly vest can trigger wash-sale disallowance on losses in the same 30-day window. See the wash-sale guide.
  6. Donate appreciated NOW shares: If you hold NOW shares acquired at a lower vest-day FMV that have since appreciated significantly (held 12+ months), donating them to a donor-advised fund before December 31 secures a deduction for the full fair market value and eliminates all capital gains recognition. For California residents, the avoided capital gains rate is up to 13.3% state plus up to 23.8% federal — a combined 37.1% rate saved on gains you never recognize. The OBBBA introduced a 0.5%-of-AGI floor on itemized charitable deductions in 2026, but in-kind donations of appreciated stock remain highly favorable for high-income tech employees. See the charitable giving guide.
  7. Review your 10b5-1 plan: If you need to establish or modify a 10b5-1 plan for 2027 sells, it must be done during an open trading window and will be subject to the 90-day or 120-day cooling-off period. Year-end is a natural time to plan for the following year.

When ServiceNow employees need an equity compensation specialist

Not every tax situation requires a specialist, but several ServiceNow-specific scenarios benefit significantly from one:

Get matched with an advisor who specializes in ServiceNow RSU planning

ServiceNow equity packages at senior levels generate significant RSU vest income — typically at income levels where the California withholding gap runs $50,000–$100,000+ per year. Fee-only advisors in our network work specifically with tech employees at enterprise software companies and understand ServiceNow's vesting structure, trading-window constraints, concentrated NOW position risk, and California-to-Washington relocation tax planning. No AUM fees to start — just a conversation about your situation.

Sources

Tax values reflect 2026 rules per IRS Rev. Proc. 2025-32, SSA COLA announcements, California FTB guidance, and Washington DOR guidance. ServiceNow equity plan terms vary by grant agreement and plan documents; verify current vesting schedules and plan features through your ServiceNow equity portal or plan documents. This page is informational only and does not constitute financial, tax, or investment advice. Values verified July 2026.

  1. IRC § 83(a) — Ordinary income is recognized when property rights are no longer subject to a substantial risk of forfeiture or become transferable. RSUs become taxable at vest; FMV on the vesting date is ordinary income. law.cornell.edu — IRC § 83
  2. IRS Rev. Proc. 2025-32 — Sets the 2026 supplemental wage withholding rates at 22% (up to $1,000,000 aggregate supplemental wages from one employer) and 37% above that threshold. irs.gov — Rev. Proc. 2025-32
  3. SEC Release No. 33-11138 (December 14, 2022) — Final rule amending Rule 10b5-1 to impose a 90-day cooling-off period for non-officer employees and 120 days for directors and officers after adopting or modifying a 10b5-1 trading plan. Effective February 27, 2023. sec.gov — Rule 10b5-1 Amendments
  4. California FTB Publication 1100 — Explains California's workday-allocation formula for nonresident income from RSU vesting, including the grant-to-vest apportionment methodology and rules for equity compensation earned while a California resident. ftb.ca.gov — Publication 1100
  5. New York Department of Taxation TSB-M-07(7)I — Memorandum describing the convenience-of-employer rule and its application to employees who work remotely for New York employers, relevant to nonresident income sourcing for RSU vest income. tax.ny.gov — TSB-M-07(7)I
  6. IRS Rev. Proc. 2025-32, § 3.24 — Sets 2026 § 401(k) elective deferral limit at $24,500; age 50–59 and 64+ catch-up contribution $8,000 (total $32,500); SECURE 2.0 "super catch-up" for ages 60–63 is $11,250 (total $36,000). Total § 415(c) annual additions limit is $72,000. irs.gov — Rev. Proc. 2025-32