MLPT

MapLight Therapeutics, Inc.

Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingAug 18, 2026Most recent Form 4
Total buying$8.34B2 buys
Total selling$00 sells
Net open-market+$8.34B1 insiders
Open-market mix
Buy vs sell distribution by transaction count
2 transactions
2 buys100%·0%0 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
530-3-5transactionsAug 2026 buys: 2 transactions · $8.34B2AugSep

Transaction codes

By Form 4 transaction code in selected period
2transactions
  • P · Open-market buys · dominant2 · 100%

Activity by reported role

A joint filing can contribute to multiple roles
2transactions
  • 10% owner · dominant2 · 100%

Distinct insiders active

Reporting-owner CIKs by month · peak Aug 2026 (1)
Aug 2026Sep 2026
1distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Catalyst4, Inc.Voting Common Stock · Indirect · See footnote
25.3M25.3MAug 14, 2026 · 25,306,689 shares owned afterAug 14, 2026Aug 14, 2026
25,306,689Aug 14, 2026
Catalyst4, Inc.Warrants (right to buy) · Indirect · See footnote
2.9M2.9MAug 14, 2026 · 2,928,686 shares owned afterAug 14, 2026Aug 14, 2026
2,928,686Aug 14, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
1 active days
Aug 03 → Sep 03
LessMore
Top insiders
By absolute net value across the selected period
1 insiders
  • CI
    Catalyst4, Inc.10% · rank 1 · 2 buys · 0 sells
    +$83.4Mlast 08/18/undefined
Recent filing activity
Most recent 2 transactions · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy$5.00B
Largest sale-
10b5-1 detected0
Amended rows0

Filing-only signals

Deterministic matches in the selected period

Derivative Transaction1Large Buy2Large Holdings Increase1Repeat Buyer110% Owner Buy2

MLPT transaction history

Filters apply within this company and selected period by default
Type
AllBuySell
Reset
Suggested filters
Open-marketCodes P + SInsider buyingCode PInsider sellingCode SLarge buysP · value sort10b5-1 detectedPlan text
Clear
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
MLPTCatalyst4, Inc.
10%
buy2.92M$3.33BP
Derivative Transaction Large Buy Large Holdings Increase+2
—08/1808/14
MLPTCatalyst4, Inc.
10%
buy4.40M$5.00BP
Large Buy 10% Owner Buy
—08/1808/14

MapLight Therapeutics, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at MapLight Therapeutics, Inc.?

Catalyst4, Inc..

When was the latest reported open-market purchase?

Catalyst4, Inc. reported a buy on Aug 14, 2026 valued at $3.33B. Read the SEC filing.

When was the latest reported open-market sale?

No code-S sale is available for this period.

What is the recent purchase and sale balance?

Net open-market buying in the selected period was $83,400,153.81. This describes filed transactions, not a bullish rating.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.