Reporting owner · CIK 0001237566

Neupert Peter M

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

DIRAdaptive Biotechnologies Corp
Open-market mix
Latest filingAug 20, 2026, 12:07 AM
Filings4Form 4 records
Buying$00 purchases
Selling$3.1M3 sales
Net value−$3.1MBuys minus sells
Companies23 securities
Most recentAug 17, 2026exercise

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
530-3-5Feb 25Feb 263Aug 26

Net value flow

Buys minus sells

Feb 25
$0
Feb 26
$0
Aug 26
−$3.1M

Transaction texture

Ownership and ticket size

Average P/S size$1M
Median P/S size$1M
Direct10
Indirect0
Aug 17, 2026exercise

Filing-only signals

Deterministic matches in this insider's history

Derivative Transactionfiling-context4Direct Ownershipfiling-context10Large Holdings Increaseholdings1Large Holdings Reductionholdings2Large Salesize2Repeat Sellerpattern2

Latest Form 4 facts

Quick context from source filings

Latest transaction

sale at Adaptive Biotechnologies Corp on Aug 17, 2026 valued at $1,753,400.

Review SEC filing
Latest buy

No open-market insider purchase is available.

Latest sale

sale at Adaptive Biotechnologies Corp on Aug 17, 2026 valued at $1,753,400.

Review SEC filing

Associated companies

Visual map of known reporting history

ADPTAdaptive Biotechnologies Corp5 transactions · latest Aug 20, 2026, 12:07 AMLHLABCORP HOLDINGS INC.5 transactions · latest Feb 13, 2026, 05:55 PM
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
ADPTNEUPERT PETER M
DIR
exercise15.0k$0M
Derivative Transaction Direct Ownership
−4.3%08/2008/17
ADPTNEUPERT PETER M
DIR
sale69.6k-$175MS
Direct Ownership Large Holdings Reduction Large Sale+1
−4.3%08/2008/17
ADPTNEUPERT PETER M
DIR
sale40.0k-$100MS
Direct Ownership Large Sale Repeat Seller
−4.3%08/2008/17
ADPTNEUPERT PETER M
DIR
sale15.0k-$37.8MS
Direct Ownership
−4.3%08/2008/17
ADPTNEUPERT PETER M
DIR
exercise15.0k$9.48MM
Direct Ownership
−4.3%08/2008/17
LHNEUPERT PETER M
DIR
exercise897$0M
Derivative Transaction Direct Ownership Large Holdings Reduction
−10.1%02/1302/11
LHNEUPERT PETER M
DIR
exercise897—M
Direct Ownership
−10.1%02/1302/11
LHNEUPERT PETER M
DIR
grant897$0A
Derivative Transaction Direct Ownership Large Holdings Increase
—02/13/202502/11/2025
LHNEUPERT PETER M
DIR
exercise944$0M
Derivative Transaction Direct Ownership
—02/10/202502/06/2025
LHNEUPERT PETER M
DIR
exercise944—M
Direct Ownership
—02/10/202502/06/2025

Neupert Peter M Insider Activity FAQ

SEC Form 4 context

Who is Neupert Peter M?

Neupert Peter M is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001237566.

Which companies has Neupert Peter M reported transactions for?

Adaptive Biotechnologies Corp, LABCORP HOLDINGS INC.

When was Neupert Peter M's latest insider buy?

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

When was Neupert Peter M's latest insider sale?

sale at Adaptive Biotechnologies Corp on Aug 17, 2026 valued at $1,753,400.

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.