Reporting owner · CIK 0001823951

Karp Alexander C.

SEC Form 4 history across 1 companies, 18 transactions and 1 filings.

SRSee RemarksPalantir Technologies Inc.
Open-market transaction mix0% buys0 buys · 10 sales
Latest filingAug 25, 2026, 12:02 AM

Available history · Aug 20, 2026 – Aug 20, 2026

Filings1Form 4 records
Buying$00 purchases
Selling$86.1M10 sales
Net value−$86.1MBuys minus sells · disclosed values

Latest insider transactions

Form 4 filings from available history.
Karp Alexander C. transactions · 20 per page
CompanyInsiderActivityDisclosed valueFiled (ET)
PLTRPalantir Technologies Inc.
Karp Alexander C.SRC · unknown10b5-1 detectedDerivative securitySEC filing ↗$0View disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRC · unknown10b5-1 detectedDerivative securitySEC filing ↗$0View disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRM · exercise10b5-1 detectedDerivative securitySEC filing ↗$0View disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRM · exercise10b5-1 detectedDerivative securitySEC filing ↗$0View disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRM · exercise10b5-1 detectedDerivative securitySEC filing ↗$0View disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRM · exercise10b5-1 detectedDerivative securitySEC filing ↗$0View disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRS · sale10b5-1 detectedSEC filing ↗-$88.1kView disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRS · sale10b5-1 detectedSEC filing ↗-$1.96MView disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRS · sale10b5-1 detectedSEC filing ↗-$10.9MView disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRS · sale10b5-1 detectedSEC filing ↗-$2.01MView disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRS · sale10b5-1 detectedSEC filing ↗-$725kView disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRC · unknown10b5-1 detectedSEC filing ↗UnknownView disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRS · sale10b5-1 detectedSEC filing ↗-$229kView disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRS · sale10b5-1 detectedSEC filing ↗-$11.1MView disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRS · sale10b5-1 detectedSEC filing ↗-$53.5MView disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRS · sale10b5-1 detectedSEC filing ↗-$3.38MView disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRS · sale10b5-1 detectedSEC filing ↗-$1.96MView disclosure →
PLTRPalantir Technologies Inc.
Karp Alexander C.SRC · unknown10b5-1 detectedSEC filing ↗UnknownView disclosure →
Open a transaction for shares, transaction date, ownership and the original SEC filing.

Latest Form 4 facts

Quick context from source filings

Latest open-market transaction

sale at Palantir Technologies Inc. on Aug 20, 2026 valued at $88,151.

Review SEC filing
Latest buy

No open-market insider purchase is available.

Latest sale

sale at Palantir Technologies Inc. on Aug 20, 2026 valued at $88,151.

Review SEC filing

Monthly open-market activity

Last 1 reported months · purchases and sales

View exact monthly values
MonthPurchasesSalesBuy valueSale valueNet value
Aug 2026010$0.00$86,057,473.26-$86,057,473.26

Net value is disclosed purchases minus sales, not profit. A dash means the value is unavailable.

Ownership and transaction size

Ownership and ticket size

Average P/S size$8.6M
Median P/S size$2M
Direct18
Indirect0
Aug 20, 2026unknown

Filing-only signals

Deterministic matches in this insider's history

Cluster Sellingpattern10Derivative Transactionfiling-context6Direct Ownershipfiling-context18Large Salesize7Repeat Sellerpattern910b5-1 Detectedfiling-context18

Associated companies

Companies in the disclosed reporting history

Palantir Technologies Inc.PLTR · 43 transactions · latest Aug 25, 2026, 12:02 AM

Open-market buy performance

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

90d forward
No open-market purchases in available history

A 90-day purchase return requires an open-market buy. No eligible purchases are recorded in this history.

Disclosed ownership

How reported shareholdings evolved

Non-derivative shares held after reported transactions—not stock prices or a complete portfolio.

12 observations · Aug 20, 2026 – Aug 20, 2026. Window ends at the latest available report, not today.

Selected observation · Aug 20, 20266,432,258 shares reported
Inspect transaction
View exact observations and source transactions
Transaction dateShares held afterFiledSource
Aug 20, 20266,834,606Aug 25, 2026View transaction
Aug 20, 20266,823,228Aug 25, 2026View transaction
Aug 20, 20266,803,735Aug 25, 2026View transaction
Aug 20, 20266,497,191Aug 25, 2026View transaction
Aug 20, 20266,433,562Aug 25, 2026View transaction
Aug 20, 20266,432,258Aug 25, 2026View transaction
Aug 20, 20266,522,258Aug 25, 2026View transaction
Aug 20, 20266,518,058Aug 25, 2026View transaction
Aug 20, 20266,506,456Aug 25, 2026View transaction
Aug 20, 20266,443,958Aug 25, 2026View transaction
Aug 20, 20266,432,758Aug 25, 2026View transaction
Aug 20, 20266,432,258Aug 25, 2026View transaction

Securities and direct/indirect ownership contexts are kept separate and never summed. Joint filings may associate the same disclosed row with multiple owners. Unknown values are omitted, not treated as zero. Lines connect observations for readability; they do not establish holdings between filings, cost basis, or current ownership. Amendments and stock splits require reviewing the source.

Karp Alexander C. Insider Activity FAQ

SEC Form 4 context

Who is Karp Alexander C.?

Karp Alexander C. is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001823951.

Which companies has Karp Alexander C. reported transactions for?

Palantir Technologies Inc.

When was Karp Alexander C.'s latest insider buy?

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

When was Karp Alexander C.'s latest insider sale?

sale at Palantir Technologies Inc. on Aug 20, 2026 valued at $88,151.

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?

The profile shows average and median 90-day stock returns after open-market purchases when price coverage is available. These are unadjusted stock returns, not realized trading gains. Win rates, benchmark-adjusted returns and conviction scores are not calculated.