Transaction · 0001104659-26-060294

Fairmount Funds Management LLC

Fairmount Funds Management LLC, DIR, reported an open-market or private purchase at Viridian Therapeutics, Inc. DE involving 1176470.000000 shares for an estimated $19999990.00. Reported holdings after the transaction were 5090928.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market buySEC transaction code PDIR
VRDNViridian Therapeutics, Inc. DE
Trade date
May 11, 2026
Filing date
May 13, 2026
View on SEC Insider profile
Disclosed value$19.9MShares × reported price
Shares traded1.17M$17.00 per share
Holdings after5.09MIndirect · By Fairmount Healthcare Fund II L.P.
% of reported position traded30.05%This security and ownership context
How reported position traded is calculated

Shares purchased ÷ (holdings after − shares purchased). Estimated position before: 3,914,458 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

VRDN price since this filing

Daily closing prices, with the filing date and available return windows
VRDN · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +42.6%1w ago +0.0%1d ago +0.0%
Returns since7d +0.0%30d +26.4%90d +71.2%180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Buy
Code P
Identifier
0001104659-26-060294
Common Stock
Transaction date
May 11, 2026
Filed May 13, 2026, 08:31 PM · 2d delay
Shares
1,176,470 sh
$17.00 per share
Estimated value
$19.9M
Computed from shares × price
Holdings after
5,090,928 sh
Indirect · By Fairmount Healthcare Fund II L.P.

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Buy Director Buy Large Buy 10% Owner Buy
Filing-only score

+46 points

Compact filing score computed from stored Form 4 facts. Version v1.

Strong filing signal

This filing has a high positive filing-only score. It may deserve closer research, but it is not an investment recommendation.

How this score is calculated
  • open_market_purchase+12 points

    transaction_code = P

    Code P is a discretionary open-market purchase.
  • director_buy+6 points

    is_director = true

    Director open-market purchase.
  • cluster_buy+14 points

    cluster-buy signal matched

    Multiple insiders bought within the configured window.
  • large_buy_absolute+10 points

    large-buy signal with absolute_triggered = true

    Open-market purchase exceeds the configured absolute threshold.
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% YesOther No
Footnotes & amended
  1. F1

    Fairmount Funds Management LLC ("Fairmount") and Fairmount Healthcare Fund II GP LLC ("Fairmount GP II") have voting power and investment power over the securities held by Fairmount Healthcare Fund II…

Original filing · 0001104659-26-060294
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