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commercial-bd· 30 May 2026· 8 min read

The investor-ready narrative: Series C in one deck

How clinical-stage biotechs build a story that survives the third sell-side meeting of the day.

Author
Charlie Brook
Chief Innovation Officer
$1.7bn
Median base-case peak sales for our reference oncology asset
$1.4bn
Sell-side consensus on the same asset
$340m
Gap the narrative has to close in 35 minutes

The eight-slide spine

SlideWhat weak decks put hereWhat strong decks put here
1. ProblemDisease overviewUnmet-need ladder with one number per rung
2. AssetMoA cartoonMoA plus the one differentiation a payer cares about
3. EvidenceAll trialsPivotal plus the read-through to label
4. CompetitionLandscape gridWhere you win — and where you lose — with reasons
5. MarketTAM/SAM/SOMPatient-flow model with a defensible peak share
6. AccessPricing analysis underwayCountry-by-country pricing corridor plus payer thesis
7. PlanGanttCapital-efficient path to value-inflection
8. AskX for runwayX to milestone, with the milestone defined
The pricing-corridor slide
This is the single slide that converts interesting science into investible asset. If you cannot defend a € band in Germany, a £ band in the UK, and a $ band in the US — with the payer thesis behind each — the asset is not Series-C ready.
How we build the pricing corridor slide (3 min walkthrough) — embed placeholder (loom:placeholder)

What the sell side will not tell you

Sell-side consensus tends to under-model two things: subsequent-therapy displacement and the AMNOG-style price-anchoring effect of the first EU launch. Both can move peak sales by 15–25%.

Walk into the next meeting with the story already written

Knowledgeable builds the investor narrative from the same evidence the payer will see — so the story holds up in slide 8 and in slide 80.

See the investor workspace