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Founder equity split with a vesting schedule

A defensible cofounder equity split with a vesting schedule and a leaver buy-back, reconciling to 100%.

You receive: A reviewed equity-split + vesting calculator + the passing test report, run on your cap table.

Part of Pitch Investors

Example

A sample of what this play produces. Your result is generated for your inputs.

10Option pool pct
100Cap table total

Cap table

IdAlloc pct
alice49.5
bob27
carol13.5

Leaver

Id
carol
Retained pct
5.06
Redistributed pct
8.44
Buyback price cents
25
Final cap table
IdAlloc pct
alice54.96
bob29.98
carol5.06
Final cap table total
100
Inputs
Cofounders
alice:55;bob:30;carol:15
Split basis
points-weighted
Founding date
2026-01-01
Total vest months
48
Cliff months
12
Bucket months
1
Option pool pct
10
Leaver id
carol
Leaver date
2027-07-15
Unvested treatment
redistribute-pro-rata
Buyback basis
fixed-price-per-share
Buyback price per share
0.25

Illustrative worked example on a fictional three-cofounder startup (alice, bob, carol): STUD is a registered trade name of TELEVORT INC, a Delaware corporation with a sole founder (Dan Schmitz), so it has no cofounder split to model, and a real buyer's cofounders, points, and dates slot in identically. Arithmetic recomputed against the tasks.py compute_equity_split reference oracle (_equity_reference), 2026-08-13: points 55:30:15 over the 90 percent left after a 10 percent option pool give 49.5 / 27.0 / 13.5, an exact 100.00 with the pool. Carol leaving at month 18 of a 48-month schedule with a 12-month cliff and monthly buckets has vested 18/48 of her 13.5 points: she retains 5.06 percent (round(1350 x 18 / 48) = 506 hundredths) and her unvested 8.44 percent redistributes pro rata by largest remainder, alice +5.46 to 54.96 and bob +2.98 to 29.98. The fixed buy-back price of $0.25 per share is 25 cents, and both cap tables total exactly 100.00. On the fair-market-value basis the buy-back price would be null: that valuation, like the split itself, stays a human decision; this play settles the cap-table and vesting arithmetic.

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