Transaction · 0001900201-26-000005

Catalyst4, Inc.

Catalyst4, Inc., 10%, reported an open-market or private purchase at MapLight Therapeutics, Inc. involving 4400000.000000 shares for an estimated $50072000.00. Reported holdings after the transaction were 25306689.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market buySEC transaction code P10%
MLPTMapLight Therapeutics, Inc.
Trade date
Aug 14, 2026
Filing date
Aug 18, 2026
View on SEC Insider profile
Estimated value$50.0MShares × reported price
Shares traded4.40M$11.38 per share
Holdings after25.3MIndirect · See footnote
% of reported position traded21.05%This security and ownership context
How reported position traded is calculated

Shares purchased ÷ (holdings after − shares purchased). Estimated position before: 20,906,689 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.

MLPT price since this filing

Daily closing prices, with the filing date and available return windows
MLPT · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago1w ago1d ago
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Buy
Code P
Identifier
0001900201-26-000005
Voting Common Stock
Transaction date
Aug 14, 2026
Filed Aug 18, 2026, 10:55 PM · 4d delay
Shares
4,400,000 sh
$11.38 per share
Estimated value
$50.0M
Computed from shares × price
Holdings after
25,306,689 sh
Indirect · See footnote

Filing signal explanations

Badges describe filing facts only — not predictions.

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

+26 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.
  • ten_percent_owner_buy+4 points

    is_ten_percent_owner = true

    10% beneficial owner open-market purchase.
  • large_buy_absolute+10 points

    large-buy signal with absolute_triggered = true

    Open-market purchase exceeds the configured absolute threshold.
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 No10% YesOther No
Footnotes & amended
  1. F1

    The shares are held of record by Catalyst4, Inc. ("Catalyst4"). As the members of the board of directors of Catalyst4, Robert Brown, Ekemini Riley and Mark Vorsatz share voting and dispositive power w…

  2. F2

    The warrant is immediately exercisable, however, the warrant may not be exercised if the aggregate number of shares of voting common stock beneficially owned by the reporting person immediately follow…

  3. F3

    The warrants will not expire until exercised in full.

Original filing · 0001900201-26-000005
Related transactions

0 other transactions

Same SEC filing
Recent company activity

0 recent txs

MLPT