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Write the update

A real-shaped investor update, annotated

A full sample update in the format investors read to the bottom, annotated line by line — plus the weak version of the same month and why it fails.

By Nasser Ghanemzadeh · Founder, Vectig

Published July 2026 · 7 min read

Below is a complete investor update for a fictional seed-stage company’s April — the same sample month used across these guides — followed by a line-by-line annotation of why each piece is shaped the way it is, and the weak version of the same month for contrast.

Investor update — April 2026
MRR
$42,180
Burn
$38,400
Cash
$608,000
Runway
14.2 mo

MRR $42,180, up 12.4% — burn down $2.1k, 14.2 months of runway.

Revenue grew and burn came in $2.1k under the March plan, so runway stretched by almost a month. The one number moving the wrong way is CAC, covered below.

What won. Closed Acme at $18k ACV — the first customer sourced entirely from outbound. Two more contracts from the same playbook are in legal.

What’s hard. CAC crept to $410 against a $340 target. Paid channels are doing less of the work than the pipeline suggests, so May's plan trims spend until the outbound math is proven.

What we need. Two warm intros to seed-stage CFOs who run monthly reporting — we want their read on this format before we standardize it.

Full numbers attached as always. Reply to this email and it lands with me.

Four metrics, a headline, a diff, three short sections, a plain closing. Total reading time: well under two minutes. Here’s what each line is doing.

The annotation, line by line

“MRR $42,180, up 12.4% — burn down $2.1k, 14.2 months of runway.”

The headline is the update for anyone who reads nothing else: the most important number, its direction, and the consequence for survival. No greeting, no throat-clearing. An investor skimming forty updates this month can file this company in four seconds.

The “what changed” line

“Revenue grew and burn came in $2.1k under the March plan… The one number moving the wrong way is CAC, covered below.” Two jobs done in two sentences: the month is compared to the plan (not to vibes), and the bad number is signposted rather than buried. The reader now trusts the ordering of everything that follows.

The metrics block

MRR, burn, cash, runway — the four numbers that answer “is it working, and how long can you keep going?” Note which runway number is reported: naive division, $608,000 ÷ $38,400 of net burn, gives 15.8 months — the stated 14.2 is the conservative figure with the hiring plan’s expense growth baked in. Reporting the number your model produces, and being able to say why it’s lower than the back-of-envelope one, is the quietest credibility signal an update can send. (The free runway calculator runs the same growth-adjusted math.)

“What won.”

“Closed Acme at $18k ACV — the first customer sourced entirely from outbound.” A named win, a real number, and — the working part — evidence of a system: the first sourced entirely from outboundtells investors this wasn’t luck, and “two more from the same playbook in legal” makes it a trend with a denominator.

“What’s hard.”

“CAC crept to $410 against a $340 target.” The number, the honest read, the plan — in that order. There’s no adjective softening it and no paragraph of context in front of it. This section is why the rest of the update is believable; an update with an empty “what’s hard” is an update investors read twice, suspiciously. Sharing bad news with investors covers the months when this section is the headline.

“What we need.”

“Two warm intros to seed-stage CFOs who run monthly reporting.” Bounded (two), specific (a profile you can scan your contacts against), and answerable with a single email. Compare the ask you usually see — “intros always appreciated!” — which is warm, friendly, and produces nothing.

The closing

“Full numbers attached as always. Reply to this email and it lands with me.” Where the detail lives, how to respond, done. The update earns trust with its contents, not its sign-off.

The same month, written badly

Same company, same facts, the version that gets skimmed and forgotten:

Hi all! April was an incredible month for the team — momentum across the board. We’re thrilled with the progress on product, and we closed a major new logo! We also leaned into our growth engine this month and learned a ton. Revenue is up nicely and we’re feeling great about where things are headed. As always, we’re looking for intros to great people — send anyone interesting our way. More soon. Onwards!

Every fact is technically present and none of it survives the read. “A major new logo” hides $18k of ACV and the outbound playbook — the actual story of the month. “Leaned into our growth engine and learned a ton” is the CAC problem wearing a costume; an investor who later learns CAC ran 20% over target will remember this sentence, and not fondly. “Up nicely” forces the one thing an update must never force: taking the founder’s word for it. And the ask — “anyone interesting” — cannot be acted on, so it won’t be.

The deepest problem isn’t style. The weak version reports feelings about facts; the strong version reports facts and lets them argue. Hype words are how the difference smells from a distance — which is why the house style bans them outright.

What to steal

  • The most important number goes first, whichever way it moved.
  • Every claim carries its number; every number carries a direction.
  • Bad news gets signposted up top and addressed with a plan.
  • Wins are framed as systems (“the first from outbound”), not events.
  • One ask, bounded and answerable from a phone.
  • The whole thing fits the two-minute template — same shape next month, and the month after.

Questions

Should every investor get the same update?

Everyone on the cap table gets the same one — shared reality is the point. Investors who passed but asked to stay close get a lighter version without the confidential numbers.

How much detail is too much?

If the update takes more than two minutes to read, it's carrying detail that belongs in an attachment. The test: could an investor repeat your month back to you after one read? If yes, anything further is for the appendix.

Can I include confidential numbers in an update?

Cap-table investors expect real numbers — that's the relationship. But write every line knowing updates get forwarded: nothing you'd be damaged by a competitor reading verbatim, and definitely nothing about named customers they haven't agreed to.

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