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Insider · CIK 0001559086

Stefan Demmerle

officer

Files at BWA (BORGWARNER INC). First filing Nov 18, 2024, latest May 14, 2026.

Stefan Demmerle files SEC Form 4 as officer at BWA (BORGWARNER INC). Since Nov 18, 2024, Stefan Demmerle has reported 0 open-market buys worth $0 and 9 open-market sells worth $6.1M, the latest filed on May 14, 2026.

A track record needs three past buys with six months of prices behind them; Stefan Demmerle has 0, so none is measured yet.

The newest scored trade: sold $325k of BWA on May 13, 2026, filed May 14, 2026, scored 44 (moderate). In the last 12 months: 0 buys worth $0 and 4 sells worth $2.9M.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 9
$0 bought, $6.1M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

BWA: BORGWARNER INC

BWAOct 9, 2026 · close 61.30

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
44Moderate
BWAsell 5
BORGWARNER INC
$325k
5,000 shares
-2%+111% from low0% from high
60Notable
BWAsell 5
BORGWARNER INC
$1.5M
25,000 shares
-11%+100% from low-8% from high
41Moderate
BWAsell 3
BORGWARNER INC
$133k
2,500 shares
-1%+116% from low-20% from high
47Moderate
BWAsell 2
BORGWARNER INC
$913k
20,000 shares
-9%+86% from low0% from high
42Moderate
BWAsell 4
BORGWARNER INC
$220k
5,000 shares
-2%+79% from low0% from high
52Moderate
BWAsell 4
BORGWARNER INC
$792k
20,000 shares
-8%+62% from low0% from high
52Moderate
BWAsell 4
BORGWARNER INC
$763k
20,000 shares
-7%+55% from low0% from high
36Weak
BWAsell
BORGWARNER INC
$704k
20,544 shares
-9%-
51Moderate
BWAsell 5
BORGWARNER INC
$748k
21,500 shares
-9%-

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Sep 5, 2025 BWA
BORGWARNER INC
5,000
0.00% of outstanding
$220kSep 5, 2025$1.6M
Aug 13, 2025 BWA
BORGWARNER INC
5,000
0.00% of outstanding
$203kAug 13, 2025$1.4M
Aug 12, 2025 BWA
BORGWARNER INC
15,000
0.01% of outstanding
$590kAug 12, 2025$763k
Aug 4, 2025 BWA
BORGWARNER INC
20,000
0.01% of outstanding
$763kAug 4, 2025none
Nov 27, 2024 BWA
BORGWARNER INC
20,544
0.01% of outstanding
$704kNov 27, 2024$748k
Nov 14, 2024 BWA
BORGWARNER INC
21,500
0.01% of outstanding
$748kNov 14, 2024none

Transactions

Every row this insider has filed, 22 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
May 13, 2026BWA
BORGWARNER INC
SOpen-market sale
Common Stock
-5,000$65.00$325k203,746May 14, 2026
May 8, 2026BWA
BORGWARNER INC
SOpen-market sale
Common Stock
-20,000$59.26$1.2M213,746May 12, 2026
May 11, 2026BWA
BORGWARNER INC
SOpen-market sale
Common Stock
-5,000$62.00$310k208,746May 12, 2026
Mar 10, 2026BWA
BORGWARNER INC
SOpen-market sale
Common Stock
-2,500$53.03$133k233,746Mar 11, 2026
Feb 28, 2026BWA
BORGWARNER INC
AGrant or award
Common Stock
+953$0.00$0249,218Mar 3, 2026
Feb 28, 2026BWA
BORGWARNER INC
FTax withholding
Common Stock
-12,972$57.57$747k236,246Mar 3, 2026
Feb 4, 2026BWA
BORGWARNER INC
AGrant or award
Common Stock
+55,689$0.00$0272,666Feb 6, 2026
Feb 4, 2026BWA
BORGWARNER INC
FTax withholding
Common Stock
-24,401$48.57$1.2M248,265Feb 6, 2026
Feb 3, 2026BWA
BORGWARNER INC
AGrant or award
Common Stock
+22,610$0.00$0223,954Feb 5, 2026
Feb 4, 2025BWA
BORGWARNER INC
AGrant or award
Common Stock
+30,214$0.00$0238,772Feb 5, 2026
Nov 11, 2025BWA
BORGWARNER INC
SOpen-market sale
Common Stock
-15,000$45.52$683k209,040Nov 13, 2025
Nov 12, 2025BWA
BORGWARNER INC
SOpen-market sale
Common Stock
-5,000$46.00$230k204,040Nov 13, 2025
Sep 5, 2025BWA
BORGWARNER INC
SOpen-market sale
Common Stock
-5,000$44.00$220k224,040Sep 8, 2025
Aug 12, 2025BWA
BORGWARNER INC
SOpen-market sale
Common Stock
-5,000$40.04$200k244,040Aug 14, 2025
Aug 12, 2025BWA
BORGWARNER INC
SOpen-market sale
Common Stock
-10,000$38.95$390k234,040Aug 14, 2025
Aug 13, 2025BWA
BORGWARNER INC
SOpen-market sale
Common Stock
-5,000$40.50$203k229,040Aug 14, 2025
Aug 4, 2025BWA
BORGWARNER INC
SOpen-market sale
Common Stock
-20,000$38.17$763k249,040Aug 6, 2025
Feb 28, 2025BWA
BORGWARNER INC
FTax withholding
Common Stock
-5,319$29.61$157k272,723Mar 4, 2025
Feb 28, 2025BWA
BORGWARNER INC
FTax withholding
Common Stock
-5,758$29.61$170k266,965Mar 4, 2025
Feb 5, 2025BWA
BORGWARNER INC
AGrant or award
Common Stock
+38,163$31.33$1.2M278,042Feb 7, 2025
Nov 27, 2024BWA
BORGWARNER INC
SOpen-market sale
Common Stock
-20,544$34.28$704k206,969Nov 29, 2024
Nov 14, 2024BWA
BORGWARNER INC
SOpen-market sale
Common Stock
-21,500$34.79$748k227,513Nov 18, 2024

Questions about Stefan Demmerle

Answered from the filings on this page, as of the latest one.

Is Stefan Demmerle buying or selling?

In the last 12 months Stefan Demmerle reported 0 open-market buys worth $0 and 4 open-market sells worth $2.9M on SEC Form 4; the latest was sold $325k of BWA on May 13, 2026. Grants, option exercises and tax withholding are not counted.

How did Stefan Demmerle's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Stefan Demmerle has 0.

Where does Stefan Demmerle file Form 4?

Stefan Demmerle has filed Form 4 at BWA (BORGWARNER INC) as Vice President. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Stefan Demmerle: insider trades and track record | InsiderTell