Reporting owner · CIK 0001205885

Martin William C

Visual SEC Form 4 history across 2 companies, 10 transactions and 5 filings.

10%UNIVERSAL ELECTRONICS INC
Open-market mix
Latest filingAug 20, 2026, 12:00 AM
Filings5Form 4 records
Buying$00 purchases
Selling$343.1K3 sales
Net value−$343.1KBuys minus sells
Companies22 securities
Most recentAug 19, 2026sale

Open-market buy performance

90-day forward return on this insider's open-market purchases

90d forward
Forward return is not available yet

We compute this from each buy's stock performance 90 days after the transaction. The price history is still being populated for this insider's their open-market buys, so the average and median will appear here once the daily price refresh has covered the relevant trading days.

Monthly open-market activity

Reported purchase and sale transaction counts

Buys Sells
530-3-5Dec 23Jan 24Jan 25Jan 263Aug 26

Net value flow

Buys minus sells

Dec 23
$0
Jan 24
$0
Jan 25
$0
Jan 26
$0
Aug 26
−$343.1K

Transaction texture

Ownership and ticket size

Average P/S size$114.4K
Median P/S size$74.2K
Direct10
Indirect0
Aug 19, 2026sale

Filing-only signals

Deterministic matches in this insider's history

Cluster Sellingpattern3Derivative Transactionfiling-context1Direct Ownershipfiling-context10Large Holdings Increaseholdings2Repeat Sellerpattern2

Latest Form 4 facts

Quick context from source filings

Latest transaction

sale at UNIVERSAL ELECTRONICS INC on Aug 19, 2026 valued at $40,080.

Review SEC filing
Latest buy

No open-market insider purchase is available.

Latest sale

sale at UNIVERSAL ELECTRONICS INC on Aug 19, 2026 valued at $40,080.

Review SEC filing

Associated companies

Visual map of known reporting history

UEICUNIVERSAL ELECTRONICS INC5 transactions · latest Aug 20, 2026, 12:00 AMIMMRIMMERSION CORP5 transactions · latest Feb 02, 2026, 08:19 PM
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
UEICMARTIN WILLIAM C
10%
sale8.30k-$4.00MS
Cluster Selling Direct Ownership Repeat Seller
−3.8%08/2008/19
UEICMARTIN WILLIAM C
10%
sale15.0k-$7.41MS
Cluster Selling Direct Ownership Repeat Seller
−3.8%08/2008/18
UEICMARTIN WILLIAM C
10%
sale43.5k-$22.8MS
Cluster Selling Direct Ownership
−3.8%08/2008/17
IMMRMARTIN WILLIAM C
CSO
grant6.58k$0A
Direct Ownership
−6.9%02/0201/30
IMMRMARTIN WILLIAM C
CSO
withholding7.69k-$6.71MF
Direct Ownership
—01/03/202501/01/2025
IMMRMARTIN WILLIAM C
CSO
withholding8.79k-$7.68MF
Direct Ownership
—01/03/202501/01/2025
UEICMARTIN WILLIAM C
10%
grant2.50k$0A
Derivative Transaction Direct Ownership Large Holdings Increase
—01/03/202401/01/2024
UEICMARTIN WILLIAM C
10%
grant153$0A
Direct Ownership Large Holdings Increase
—01/03/202401/01/2024
IMMRMARTIN WILLIAM C
CSO
withholding8.75k-$6.26MF
Direct Ownership
—01/02/202401/01/2024
IMMRMARTIN WILLIAM C
CSO
grant8.00k$0A
Direct Ownership
—01/02/202412/29/2023

Martin William C Insider Activity FAQ

SEC Form 4 context

Who is Martin William C?

Martin William C is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001205885.

Which companies has Martin William C reported transactions for?

UNIVERSAL ELECTRONICS INC, IMMERSION CORP

When was Martin William C's latest insider buy?

No open-market insider purchase is available for this period.

When was Martin William C's latest insider sale?

sale at UNIVERSAL ELECTRONICS INC on Aug 19, 2026 valued at $40,080.

Where can I see the original SEC filings?

Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.

Are performance metrics included?

This version does not calculate win rates, forward returns, benchmark-adjusted returns, or high-conviction scores.