Reporting owner · CIK 0001801425

Teh Ban Seng

SEC Form 4 history across 1 companies, 89 transactions and 4 filings.

EVP, CCOEVP & Chief Commercial OfficerSeagate Technology Holdings plc
Open-market transaction mix0% buys0 buys · 71 sales
Latest filingSep 16, 2026, 08:10 PM

Available history · Aug 20, 2026 – Sep 15, 2026

Filings4Form 4 records
Buying$00 purchases
Selling$55.3M71 sales
Net value−$55.3MBuys minus sells · disclosed values

Latest insider transactions

Form 4 filings from available history.
Teh Ban Seng transactions · 20 per page
CompanyInsiderActivityDisclosed valueFiled (ET)
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOM · exercise10b5-1 detectedDerivative securitySEC filing ↗$0View disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$1.98MView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$319kView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$422kView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$1.26MView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$1.72MView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$1.01MView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$443kView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$1.39MView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$220kView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$94.4kView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$817kView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$784kView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$1.37MView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$3.24MView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$1.25MView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$1.91MView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$5.20MView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$5.65MView disclosure →
STXSeagate Technology Holdings plc
Teh Ban SengEVP · CCOS · sale10b5-1 detectedSEC filing ↗-$3.09MView 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 Seagate Technology Holdings plc on Sep 15, 2026 valued at $1,985,166.

Review SEC filing
Latest buy

No open-market insider purchase is available.

Latest sale

sale at Seagate Technology Holdings plc on Sep 15, 2026 valued at $1,985,166.

Review SEC filing

Monthly open-market activity

Last 2 reported months · purchases and sales

View exact monthly values
MonthPurchasesSalesBuy valueSale valueNet value
Aug 2026046$0.00$13,510,226.39-$13,510,226.39
Sep 2026025$0.00$41,809,367.85-$41,809,367.85

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$779.1K
Median P/S size$368.4K
Direct89
Indirect0
Sep 15, 2026sale

Filing-only signals

Deterministic matches in this insider's history

Cluster Sellingpattern46Derivative Transactionfiling-context8Direct Ownershipfiling-context58Large Holdings Increaseholdings7Large Holdings Reductionholdings3Large Salesize9Repeat Sellerpattern4510b5-1 Detectedfiling-context58

Associated companies

Companies in the disclosed reporting history

Seagate Technology Holdings plcSTX · 99 transactions · latest Sep 16, 2026, 08:10 PM

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.

78 observations · Aug 20, 2026 – Sep 15, 2026. Window ends at the latest available report, not today.

Selected observation · Sep 15, 20265,810 shares reported
Inspect transaction
View exact observations and source transactions
Transaction dateShares held afterFiledSource
Aug 20, 20265,198Aug 24, 2026View transaction
Aug 20, 202612,793Aug 24, 2026View transaction
Aug 20, 202615,072Aug 24, 2026View transaction
Aug 20, 202621,120Aug 24, 2026View transaction
Aug 20, 202620,880Aug 24, 2026View transaction
Aug 20, 202620,800Aug 24, 2026View transaction
Aug 20, 202620,560Aug 24, 2026View transaction
Aug 20, 202620,280Aug 24, 2026View transaction
Aug 20, 202620,040Aug 24, 2026View transaction
Aug 20, 202619,358Aug 24, 2026View transaction
Aug 20, 202618,918Aug 24, 2026View transaction
Aug 20, 202618,798Aug 24, 2026View transaction
Aug 20, 202618,718Aug 24, 2026View transaction
Aug 20, 202618,558Aug 24, 2026View transaction
Aug 20, 202618,438Aug 24, 2026View transaction
Aug 20, 202618,398Aug 24, 2026View transaction
Aug 20, 202617,472Aug 24, 2026View transaction
Aug 20, 202617,152Aug 24, 2026View transaction
Aug 20, 202616,992Aug 24, 2026View transaction
Aug 20, 202616,592Aug 24, 2026View transaction
Aug 20, 202616,312Aug 24, 2026View transaction
Aug 20, 202615,682Aug 24, 2026View transaction
Aug 20, 202615,072Aug 24, 2026View transaction
Aug 21, 202614,992Aug 24, 2026View transaction
Aug 21, 202614,903Aug 24, 2026View transaction
Aug 21, 202614,815Aug 24, 2026View transaction
Aug 21, 202614,535Aug 24, 2026View transaction
Aug 21, 202614,335Aug 24, 2026View transaction
Aug 21, 202613,895Aug 24, 2026View transaction
Aug 21, 202613,655Aug 24, 2026View transaction
Aug 21, 202613,535Aug 24, 2026View transaction
Aug 21, 202613,307Aug 24, 2026View transaction
Aug 21, 202612,947Aug 24, 2026View transaction
Aug 21, 202612,027Aug 24, 2026View transaction
Aug 21, 202611,507Aug 24, 2026View transaction
Aug 21, 202611,240Aug 24, 2026View transaction
Aug 21, 202610,800Aug 24, 2026View transaction
Aug 21, 202610,240Aug 24, 2026View transaction
Aug 21, 20269,730Aug 24, 2026View transaction
Aug 21, 20269,570Aug 24, 2026View transaction
Aug 21, 20269,330Aug 24, 2026View transaction
Aug 21, 20268,610Aug 24, 2026View transaction
Aug 21, 20268,330Aug 24, 2026View transaction
Aug 21, 20268,250Aug 24, 2026View transaction
Aug 21, 20267,750Aug 24, 2026View transaction
Aug 21, 20267,529Aug 24, 2026View transaction
Aug 21, 20265,770Aug 24, 2026View transaction
Aug 21, 20265,410Aug 24, 2026View transaction
Aug 21, 20265,290Aug 24, 2026View transaction
Aug 21, 20265,210Aug 24, 2026View transaction
Sep 9, 20265,810Sep 11, 2026View transaction
Sep 9, 20266,473Sep 11, 2026View transaction
Sep 10, 20265,810Sep 11, 2026View transaction
Sep 14, 202658,540Sep 16, 2026View transaction
Sep 15, 202657,626Sep 16, 2026View transaction
Sep 15, 202654,175Sep 16, 2026View transaction
Sep 15, 202652,458Sep 16, 2026View transaction
Sep 15, 202650,143Sep 16, 2026View transaction
Sep 15, 202646,901Sep 16, 2026View transaction
Sep 15, 202642,914Sep 16, 2026View transaction
Sep 15, 202635,655Sep 16, 2026View transaction
Sep 15, 202628,973Sep 16, 2026View transaction
Sep 15, 202626,520Sep 16, 2026View transaction
Sep 15, 202624,920Sep 16, 2026View transaction
Sep 15, 202620,773Sep 16, 2026View transaction
Sep 15, 202619,013Sep 16, 2026View transaction
Sep 15, 202618,013Sep 16, 2026View transaction
Sep 15, 202616,973Sep 16, 2026View transaction
Sep 15, 202616,853Sep 16, 2026View transaction
Sep 15, 202616,573Sep 16, 2026View transaction
Sep 15, 202614,813Sep 16, 2026View transaction
Sep 15, 202614,253Sep 16, 2026View transaction
Sep 15, 202612,973Sep 16, 2026View transaction
Sep 15, 202610,807Sep 16, 2026View transaction
Sep 15, 20269,220Sep 16, 2026View transaction
Sep 15, 20268,690Sep 16, 2026View transaction
Sep 15, 20268,290Sep 16, 2026View transaction
Sep 15, 20265,810Sep 16, 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.

Teh Ban Seng Insider Activity FAQ

SEC Form 4 context

Who is Teh Ban Seng?

Teh Ban Seng is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001801425.

Which companies has Teh Ban Seng reported transactions for?

Seagate Technology Holdings plc

When was Teh Ban Seng's latest insider buy?

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

When was Teh Ban Seng's latest insider sale?

sale at Seagate Technology Holdings plc on Sep 15, 2026 valued at $1,985,166.

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.