Equity Compensation — ESOPs, RSUs & Single-Stock Concentration

Karan Malhotra is 31, a product manager at a listed tech company in Bengaluru, and by one measure he is doing extremely well: his salary is ₹32,00,000 a year (that's thirty-two lakh — a lakh is one hundred thousand), and he is sitting on equity compensation — company stock he was given as part of his pay — worth about ₹45,00,000 (forty-five lakh, nearly half a crore; a crore is one hundred lakh). By another measure, he is quietly anxious. He does not really understand when the tax on all that stock lands, or how much it will be. He has a nagging sense he is holding far too much of one company. And he is scared to sell — scared of a tax bill he can't picture, and scared of selling 'too early' and watching it double the week after.

If any of that is you, let's name the three fears out loud, because each one has a clean answer. First: a huge tax bill I don't understand. Equity comp is taxed in a specific, knowable way — twice, at two moments — and once you can see both, the fear shrinks to arithmetic. Second: selling feels like disloyalty, or like calling the top. It is neither; reducing a dangerous over-exposure is not a bet on the share price, it is basic risk management, and you can do it without ever trying to time the market. Third, the quiet one: I don't even know the words — ESOP, RSU, vesting, strike, perquisite. They are just words, and by the end of this lesson you'll use them like tools.

One boundary before we start. This is an investing lesson, so it teaches the investing slice of the tax: when the tax hits, and how that shapes the decision to hold or sell. The full computation — with slabs, surcharge and the return comparison — lives in the income-tax track and in Lesson 41 (After-Tax Return). We'll point you there wherever the detail belongs elsewhere, and every rupee figure here is a real, computed number for Karan's situation, told with what it means and why it matters.

Two words: ESOP and RSU

Almost all equity compensation is one of two things. An ESOP — an Employee Stock Option Plan — gives you the right (an option) to BUY your company's shares later, at a fixed price locked in today. That fixed price is the strike price (also called the exercise price). If the strike is ₹100 and the shares are worth ₹500 — their fair market value, or FMV — when you buy, you've captured ₹400 a share. An RSU — a Restricted Stock Unit — is simpler: it is a promise of actual shares that will simply land in your account, free, once you have stayed long enough. No strike, nothing to pay. The 'restricted' part just means you have to earn them by time (or performance) before they're yours.

Hold onto that last row — those two figures, ₹4,00,000 and ₹2,50,000, are the first tax event, and we'll build them properly in a moment. First, the journey a grant takes from the day you're given it to the day you sell.

Equity comp moves through five stages, and knowing their names is half the battle, because the tax is pinned to two of them. The grant is the day your employer promises you the options or units — a promise only; you own nothing yet. Then comes the cliff: a first period, almost always one year, during which nothing at all becomes yours. Leave before the cliff and the whole grant simply lapses. Survive it and the shares start to vest — to become genuinely yours — in tranches over a vesting schedule, typically the rest of a four-year period.

For an ESOP there's an extra step: once options vest, you still have to exercise them — actually pay the strike price and convert the options into shares you hold. For an RSU there's no exercise, because there's nothing to pay; vesting hands you the shares directly. Finally, whenever you choose, comes the sale. Here's the whole path, with the two moments the taxman is waiting for marked in amber.

So the tax lands twice, and years can separate the two hits. For an ESOP the first hit is at exercise; for an RSU it's at vesting (since that's when the shares — and their value — arrive). The second hit, for both, is at sale. Notice what this means: you can owe tax before you have sold a single share — the first bill is triggered by getting the shares, not by cashing them out. Let's take the two taxes one at a time, starting with the first.

When Karan exercises an ESOP tranche, the tax office reasons like this: your employer just let you buy something worth ₹500 for ₹100. That ₹400 discount is a benefit your employer gave you — a form of pay. A benefit given by an employer on top of salary has a name in Indian tax: a perquisite (people say 'perk'). And because it's pay, it's added to your salary and taxed at your normal slab rate, in the year you exercise.

Two quick definitions so nothing is fuzzy. The fair market value (FMV) is simply what the share is worth on the day — for a listed share, the average of its high and low that day. The perquisite is the gap the employer gave you: FMV minus the strike, times the number of shares. Karan exercises 1,000 options with a ₹100 strike when the FMV is ₹500. His perquisite is (₹500 − ₹100) × 1,000 = ₹4,00,000. That ₹4,00,000 is bolted onto his salary for the year.

What does it cost him? Karan's salary of ₹32,00,000 already puts him in the top 30% slab, so every rupee of that perquisite is taxed at 30%, plus the 4% health-and-education cess that rides on all income tax — 31.2% in all. So the tax on the perquisite is ₹4,00,000 × 31.2% = ₹1,24,800. His employer deducts this straight away as TDS (Tax Deducted at Source — tax withheld before you're paid) under Section 192, exactly as it does on your monthly salary, and it shows up in his Form 16. He hasn't sold anything — he has simply converted options into shares — and he already owes ₹1,24,800. That is the single most surprising thing about equity comp, and the reason people get caught short.

RSUs work the same way, with one difference that catches people out: there is no strike price to subtract. You paid nothing for them, so the benefit your employer gave you is the entire value of the shares. The perquisite on an RSU is the full FMV on the vesting day, times the number of units — no subtraction.

When 500 of Karan's RSUs vest at an FMV of ₹500, the perquisite isn't a ₹400 spread — it's the whole ₹500 a share: 500 × ₹500 = ₹2,50,000, added to his salary. At his 31.2% rate that's ₹78,000 of tax, again due at vesting, again whether or not he sells. Because that bill arrives with no cash attached, employers usually handle it by sell-to-cover: on the vesting day they automatically sell just enough of the freshly-vested shares — here about 156 of the 500, worth roughly ₹78,000 — to pay the TDS, and drop the remaining 344 shares into your account. Sell-to-cover is why your RSU statement often shows fewer shares landing than vested; the missing ones went to the tax.

The practical lesson: an RSU vest is a taxable event you should expect and, ideally, keep some cash aside for — or let the sell-to-cover do its job. It is not free money that becomes taxable only when you sell; the value is taxed the day it lands. With the first tax understood for both ESOPs and RSUs, we can look at the second.

Now Karan holds real shares. If he later sells them for more than they were worth when he got them, that further rise is a capital gain — and here's the key that stops the whole thing being double taxation. The value already taxed as salary, the FMV, becomes his cost base (the price the tax office treats him as having 'paid' for the shares). This is written into the law as Section 49(2AA). So the capital gain is only what the shares rise ABOVE that FMV, not the whole journey from the strike.

Karan's exercised shares had an FMV of ₹500 — that's his cost base, ₹5,00,000 for the 1,000 shares. He sells 18 months later at ₹700. His capital gain is only the rise above ₹500: (₹700 − ₹500) × 1,000 = ₹2,00,000. Because these are shares of an Indian listed company held more than 12 months, the gain is long-term (LTCG), and long-term gains on listed shares get two gifts: a flat, gentle rate of 12.5%, and an annual exemption — the first ₹1,25,000 of such gains each year is entirely tax-free.

So of his ₹2,00,000 gain, ₹1,25,000 is exempt and only ₹75,000 is taxed, at 12.5% (₹9,750 with cess). Compare the two tax hits: ₹1,24,800 of salary tax at exercise, then just ₹9,750 of capital-gains tax at sale. The second tax is small precisely because it only bites the rise above a cost base that was set at the already-taxed FMV. And had he sold within a year, the gain would have been short-term (STCG), taxed at a flat 20% — 20.8% once the 4% cess is added — with no exemption, a reason the holding clock matters, which we'll come back to. First, the fear this all raises: am I being taxed twice?

It certainly feels like two taxes on one pile of stock — salary tax, then capital-gains tax. But look at what each one actually touches. Follow a single share from the ₹100 Karan paid to the ₹700 he sold at, and you'll see the two taxes meet at exactly one point and never overlap.

The ₹100 he paid is his own money — never taxed. The ₹100-to-₹500 rise (the ₹400 spread) is taxed once, as salary, at exercise. The ₹500-to-₹700 rise (the ₹200 gain) is taxed once, as a capital gain, at sale. Add them: ₹100 + ₹400 + ₹200 = the ₹700 sale price, and no rupee appears in two buckets. The ₹500 FMV is the seam — it's taxed as salary and then immediately becomes the cost base, so capital-gains counting starts from ₹500, not from zero. That single rule, FMV-becomes-cost-base, is what turns what looks like double taxation into two taxes on two different slices. Now let's read where all of this is written down — on Karan's own grant statement.

Every figure we've computed is sitting on documents Karan already has. When you're granted equity, you get a grant letter (the terms — how many, at what strike, on what schedule), and every year the perquisite on what you exercised or vested appears on your payslip and in a statement called Form 12BA (the employer's itemised list of perquisites), which feeds your Form 16. Most companies now put all of it on an online equity portal. Here is that portal screen, in full — grant summary, the whole vesting schedule, and the year's perquisite statement.

Read it top to bottom. The Grant 1 block is his ESOP: 4,000 options granted on 15 April 2022, strike ₹100, with an FMV at grant of ₹120 (the price the day it was granted — irrelevant to the tax, which uses the FMV on the day he exercises, not the day he was granted). The vesting schedule shows the four yearly tranches of 1,000: three have vested (the 2023, 2024 and 2025 ones), and the 2026 tranche is still to come — that's the cliff-and-schedule in action, a quarter a year after the one-year cliff. Grant 2 is his RSU grant: 2,000 units, no strike, of which 500 vested this year.

The two tinted panels are the ones this lesson reads. The first is the perquisite for the year: FMV ₹500, minus the ₹100 strike, is a ₹400 perquisite a share, ₹4,00,000 in total, added to salary — with ₹1,24,800 of TDS deducted (plus the RSU's ₹2,50,000 perquisite and ₹78,000 TDS). That's tax event one, in black and white. The second tinted panel is the capital-gains record: the cost base per share is the ₹500 FMV (₹5,00,000 for the tranche), and the acquisition date is the exercise date — because that is when your holding-period clock starts ticking. If you ever wonder 'which FMV do I use?', it's this one: the FMV on the exercise or vesting date, the same number that was taxed as salary, never the grant-date price.

There's a nasty version of the first tax. If you work at an early, unlisted startup and you exercise your options, you owe the perquisite tax at once — but there is no market to sell any shares into to pay it. You'd be writing a real cheque for tax on paper gains you can't touch. India built a specific relief for this, and it's worth knowing whether it applies to you.

For employees of an eligible startup — one that is recognised by the DPIIT (the government's startup body) and holds an eligibility certificate under Section 80-IAC — the startup ESOP tax deferral (Sections 192(1C) and 191(2)) lets the employer postpone deducting that TDS. The tax is deferred to the earliest of three events: 48 months (four years) after the end of the assessment year in which you exercised, or the date you sell the shares, or the date you leave the company. In plain terms: you don't pay the perquisite tax until you can actually realise value or a good few years have passed.

Two cautions. It only defers the timing of the tax, not the amount — the perquisite is still taxable, computed at the rates of the year you exercised. And it applies only to those eligible DPIIT-recognised startups, not to Karan's large listed employer or to most companies. If you're at a qualifying startup, this can be the difference between exercising and not; if you're not, plan to fund the tax at exercise. Either way, the tax is knowable — which brings us to the bigger, quieter risk that has nothing to do with tax at all.

So far we've made the tax legible. Now the risk. Back in Lesson 5 (Risk, Truly Understood) you met concentration risk — too much riding on one holding — and in Lesson 7 (Diversification and Asset Allocation) you saw that the danger tied to a single company is unsystematic risk, the kind diversification is designed to wash away. Equity comp quietly walks you into exactly that danger, one vest at a time, until a startling share of everything you own is a single stock.

Here is Karan's whole net worth, and what one bad quarter does to it.

Roughly 70% of his ₹64,00,000 net worth — the ₹45,00,000 of vested shares — is a single company. (The rest is ₹8,00,000 of cash and about ₹11,00,000 in his provident fund and odds and ends.) That is single-stock concentration, and it carries a danger a diversified portfolio doesn't. If that one company has a bad year and the stock falls 40%, he loses ₹18,00,000 — his net worth drops 28% on one company's news. A broad index simply cannot do that to you on the strength of a single firm's quarter.

But the sharper point is correlation. Karan's paycheck comes from the same company as 70% of his savings. So the very event that halves the share price — the firm in trouble — is exactly when a layoff can take his ₹32,00,000 salary to zero. His income and his savings are wired to the same switch; one bad event can flip both. That's correlated-with-your-paycheck risk, and it's why employer stock is more dangerous than an equal amount of some unrelated company's shares. Worst of all, the market pays you nothing extra for carrying it. A diversified basket has the same expected return with far less risk, so holding one stock instead of many is uncompensated risk — danger you take on for no expected reward. The textbook move is simply to remove it.

If diversifying is so obviously right, why does almost nobody do it? Because four very human biases quietly argue against it, and it helps to catch them by name — in your own head, they don't announce themselves.

• Endowment bias — we value a thing more simply because it's ours. The shares Karan earned feel special in a way an identical amount of some other company's stock wouldn't, so selling them feels like a loss even when it's a swap for something safer.
• Loyalty bias — 'it's my company, I believe in it.' Belief is fine; betting most of your net worth on it is not. You can be proud of where you work and still not want it to be able to sink your finances.
• 'It always goes up' — recency. The stock has risen for years, so holding has been rewarded, and the mind extrapolates. Every concentrated position looks brilliant right up until the quarter it doesn't.
• Tax paralysis — 'I don't want to pay the capital-gains tax, so I never sell.' This is the sneakiest: letting a small, manageable tax bill freeze you into carrying a large, unmanaged risk. The tax is the tail; the concentration is the dog.

You don't defeat these by willpower on the day — you defeat them by deciding the rule in advance, when you're calm, and then just following it. That rule is the systematic sell-down, and it's the heart of this lesson.

A systematic sell-down is a pre-set schedule for trimming the position, so you never have to decide 'should I sell today?' in the heat of a price move. The recipe has three simple rules: trim a fixed slice of the employer stock each year (say a third), only ever sell tranches you've held more than a year (so gains stay long-term at 12.5%, not short-term at 20%), and deliberately use up that ₹1,25,000 tax-free slice every year. The proceeds go straight into a diversified equity core — the boring index-fund portfolio you'll build in Lesson 31 (Building a Simple Equity Core).

Watch what the schedule buys. On the left, the concentration falls on a glide path — ₹45,00,000 to ₹30,00,000 to ₹15,00,000 to nearly nothing, so the stock's share of his net worth drops 70% → 47% → 23% → ~0% over three years. (He needn't go all the way to zero; stopping at a level he can live with, say 20–25%, is perfectly fine.) On the right is the tax reward for patience. Suppose the ₹45,00,000 position holds ₹15,00,000 of unrealised long-term gain (an illustrative ₹30,00,000 cost base — the FMVs already taxed as salary when the shares vested). Selling a third a year realises a ₹5,00,000 gain each year; after the ₹1,25,000 exemption, the tax is ₹48,750 a year, ₹1,46,250 over three years. Dump the whole thing in one year instead and the ₹15,00,000 gain gets the exemption only once — ₹1,78,750 of tax. Spreading it uses the ₹1.25L exemption three times instead of one and saves ₹32,500, for doing nothing but being patient.

And the clock discipline matters more than any market call. That same ₹5,00,000 gain, if the tranche were sold before completing a year, is short-term: taxed at 20.8% with no exemption — ₹1,04,000 instead of ₹48,750. Waiting past the one-year mark more than halves the tax on the same sale. Timing the share price is guesswork; timing the tax clock is a certainty you control. This isn't a secret only a wealth manager knows — it's a rule you can run yourself, which is exactly the point of the next card.

The decoded move makes the tell explicit: a good adviser is trying to shrink the single biggest risk in your net worth — even though a smaller position can mean a smaller fee for them — while a poor one eggs you on to 'hold, it'll double' or churns the position for activity. You can run the identical schedule yourself with a calendar reminder and the interactive at the end of this lesson. Before that, one common wrinkle for tech employees: what if the stock isn't Indian at all?

Plenty of Indians work for companies whose stock trades in the US — a global parent, or an Indian arm of a US firm. The first tax is unchanged: when those RSUs vest, the FMV is a perquisite added to your Indian salary, taxed at your slab, exactly as before. It's the second tax, at sale, that changes — because for Indian tax purposes a foreign-listed share is treated as unlisted, and unlisted shares run on a different, slower clock.

That 12-versus-24-month difference is not a footnote — it can flip the same sale from gently taxed to heavily taxed. Here's the trap, on identical numbers.

Take a ₹2,00,000 gain on RSUs held 20 months. As an Indian listed share, 20 months is comfortably past the 12-month line, so it's long-term: ₹9,750 of tax. As a foreign share, 20 months is still short of the 24-month line, so it's short-term — taxed at Karan's top slab (30% plus cess, 31.2%): ₹62,400. Same gain, same hold, ₹52,650 more, purely because of where the share is listed. Wait past 24 months on the foreign share and it becomes long-term at 12.5% (₹26,000 — note foreign shares get no ₹1.25L exemption). The lesson: for foreign employer stock, the clock you must respect is 24 months, not 12.

Two more names to file away, both taught in full later. If the US also taxes your gain, you don't pay twice: India gives you a foreign tax credit (FTC) under the Double Taxation Avoidance Agreement (DTAA), claimed by filing Form 67 — so foreign tax already paid is set off (subtracted) against your Indian tax. And if you want to buy or hold more foreign stock deliberately (rather than just receive it as pay), the legal route is the Liberalised Remittance Scheme (LRS), the subject of Lesson 46 (International Diversification). For this lesson, the takeaway is narrow and useful: US-listed RSUs are taxed as salary at vest just like any RSU, but at sale they follow the 24-month clock and the slab, with the DTAA protecting you from being taxed twice across countries.

A big equity-comp position makes you a target for two specific pitches, and both wear the costume of the very thing you now understand. Learn the tell once and you'll spot them instantly.

The unifying tell is direction. Real equity compensation is granted TO you, by your employer, as pay — it flows toward you. The moment the arrow reverses — someone is selling you 'pre-IPO ESOPs' of a rocket startup, or offering to lend against your vested shares so you can buy even more of the same stock — it is no longer compensation, it's a sales pitch, and usually a dangerous one. Unlisted 'pre-IPO' shares sold to outsiders have no market and a valuation the seller invents; a loan to buy more of a stock you already hold too much of is leverage stacked on concentration, the fastest way to turn a paper fortune into a real debt. Verify any entity on SEBI Check before parting with a rupee, and report anything predatory to SEBI SCORES or the cyber-fraud helpline 1930 — reporting flags it for the next person, and being pitched a polished fraud is not a character flaw.

Maybe none of this is hypothetical for you — maybe you've quietly let a huge position ride for years, or you're not certain every past vest was reported correctly, and a knot of self-blame is tightening. This beat is for you, and it is deliberately separate from the scam warning: there's no fraud here, just a normal situation to tidy up.

Two things to hold onto. First, holding was the completely normal path — it felt like loyalty, the stock mostly rose, and nobody explained concentration or the two-stage tax; you've lost nothing by holding a good asset, it's just lopsided, and the task is simply to make it safer at your own pace. Second, the tools reset every year: the one-year clock and the ₹1,25,000 exemption refresh each financial year, so a calm, staged unwind is always available — you never have to sell everything at once or time anything. And if a perquisite on an old vest went unreported, that's an admin fix a CA can handle with an updated return, not a catastrophe. Sort the tax, start the sell-down, and tell a colleague who's in the same boat.

The questions equity-comp holders actually ask, answered in a line each — every one is developed somewhere above.

• When exactly do I pay tax on my ESOPs? Twice — a perquisite added to salary when you exercise (for RSUs, when they vest), and capital gains when you sell. Getting the shares triggers the first bill even before you sell.
• Am I really taxed twice on the same money? No. The FMV taxed as salary becomes your cost base, so capital-gains tax only touches the rise above it — two taxes on two different slices, never the same rupee.
• My RSUs vested but I didn't sell — do I owe tax? Yes. Vesting is the tax point; the full FMV is a perquisite that year. Employers usually sell a few shares (sell-to-cover) to fund the TDS.
• Should I sell my own company's stock? Reducing a position that's a big share of your net worth is risk management, not disloyalty — and it needn't be all-or-nothing. Trim toward a level you're comfortable with.
• Won't selling trigger a huge tax bill? Smaller than you fear if you're patient: hold past a year (12.5%, not 20%), spread sales across years, and use the ₹1,25,000 tax-free slice each year.
• How are US RSUs taxed in India? Salary at vest, just like any RSU. At sale they follow the 24-month clock (not 12), short-term is taxed at your slab, and any US tax is credited back via the DTAA (Form 67).
• What's a vesting cliff? The first stretch — almost always one year — in which nothing vests. Leave before it and the whole grant lapses; clear it and shares start vesting in tranches.
• If I leave, what happens to my options? Unvested options typically lapse. Vested-but-unexercised ESOPs usually give you a short window to exercise (and pay the strike plus the perquisite tax) before they expire — check your grant terms.
• The stock crashed after I paid perquisite tax — can I get that back? No; the salary tax was on the value the day you got the shares. But the later fall is a capital loss you can set off (subtract) against other capital gains — and it's the sharpest argument there is for diversifying while the position is still worth something.

Put it together on your own numbers. The planner does the two things this lesson taught: it computes the two taxes on a grant (the salary perquisite and the capital-gains tax from the FMV cost base), and it tells you how much of a concentrated position to trim to reach a target. It's pre-filled with Karan's tranche so you can watch it reproduce the lesson exactly, then clear it and enter your own.

Try three things. Set the strike to 0 and watch the whole FMV become the perquisite — that's the ESOP-to-RSU switch. Flip 'Indian' to 'Foreign / US' with a short holding, and watch the capital-gains tax jump as the gain becomes slab-rated short-term. And in the concentration panel, drag your target down and see the suggested trim grow — the number you'd feed into a three-year, ₹1.25L-harvesting sell-down. The planner is the investing slice only; for the full tax return, the income-tax track and a CA are your friends.

The new terms from this lesson, each in a line — a quick refresher, not a test.

• ESOP (Employee Stock Option Plan) — the right to buy your company's shares later at a fixed price (the strike).
• RSU (Restricted Stock Unit) — actual shares that vest into your account for free once you've stayed long enough; no strike.
• Grant — the day your employer promises you the options or units; you own nothing yet.
• Vesting / vesting schedule — the process (and timetable) by which the shares gradually become genuinely yours.
• Cliff — the first period, usually one year, during which nothing vests; leave before it and the grant lapses.
• Strike (exercise) price — the fixed price at which an ESOP lets you buy the shares.
• Exercise — actually paying the strike to convert vested options into shares you hold.
• Perquisite — a benefit given by an employer on top of salary; here, the (FMV − strike) spread, taxed as salary.
• Fair market value (FMV) — what a share is worth on a given day; the perquisite is measured against it, and it becomes your cost base.
• Cost base — the value the tax office treats you as having paid; for equity comp it's the FMV already taxed as salary (Section 49(2AA)).
• Sell-to-cover — the employer selling just enough freshly-vested shares to pay the TDS on the perquisite.
• Startup ESOP tax deferral — for eligible DPIIT startups, postponing the perquisite TDS to the earliest of 48 months after the AY, sale, or leaving.
• Single-stock concentration — holding too large a share of your net worth in one company.
• Uncompensated risk — risk you take for no extra expected return (like one stock instead of a diversified basket) — the kind you simply remove.
• Correlated-with-your-paycheck risk — the extra danger that your salary and your savings depend on the same company, so one event can hit both.
• Systematic sell-down — a pre-set schedule for trimming a concentrated position, respecting the holding-period clock and the yearly exemption.
• FTC / DTAA — the foreign tax credit under the Double Taxation Avoidance Agreement (claimed via Form 67) that stops the same gain being taxed in two countries.
• LRS (Liberalised Remittance Scheme) — the legal route for a resident to send money abroad to buy foreign assets (Lesson 46).