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Insider · CIK 0001618273

Lee Kalowski

cfopresidentofficer

Files at QTTB (Q32 Bio Inc.). First filing Aug 28, 2025, latest Feb 27, 2026.

Lee Kalowski files SEC Form 4 as CFO and president at QTTB (Q32 Bio Inc.). Since Aug 28, 2025, Lee Kalowski has reported 0 open-market buys worth $0 and 3 open-market sells worth $57k, the latest filed on Feb 27, 2026.

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

The newest scored trade: sold $18k of QTTB on Feb 25, 2026, filed Feb 27, 2026, scored 42 (moderate). In the last 12 months: 0 buys worth $0 and 2 sells worth $49k.

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 / 3
$0 bought, $57k 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.

QTTB: Q32 Bio Inc.

QTTBOct 9, 2026 · close 8.34

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
42Moderate
QTTBsell 3
Q32 Bio Inc.
$18k
3,995 shares
-10%+248% from low0% from high
40Moderate
QTTBsell 2
Q32 Bio Inc.
$31k
9,072 shares
-19%-
37Weak
QTTBsell 3
Q32 Bio Inc.
$7,636
4,240 shares
-8%-

Planned sales

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

FiledCompanySharesValueSale datePast 3 months
Dec 2, 2025 QTTB
Q32 BIO INC.
9,072
0.07% of outstanding
$31kDec 2, 2025none

Transactions

Every row this insider has filed, 9 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Feb 24, 2026QTTB
Q32 Bio Inc.
AGrant or award
Common Stock
+53,250$0.00$089,193Mar 20, 2026
Feb 25, 2026QTTB
Q32 Bio Inc.
SOpen-market sale
Common Stock
-3,995$4.51$18k35,943Feb 27, 2026
Dec 2, 2025QTTB
Q32 Bio Inc.
SOpen-market sale
Common Stock
-9,072$3.46$31k39,938Dec 4, 2025
Aug 26, 2025QTTB
Q32 Bio Inc.
SOpen-market sale
Common Stock
-4,240$1.80$7,63649,010Aug 28, 2025
Feb 24, 2025QTTB
Q32 Bio Inc.
AGrant or award
Common Stock
+53,250$0.00$053,250Feb 27, 2025
Feb 24, 2025QTTB
Q32 Bio Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-16,901$0.00$00Feb 27, 2025
Feb 24, 2025QTTB
Q32 Bio Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+16,901$0.00$016,901Feb 27, 2025
Feb 24, 2025QTTB
Q32 Bio Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-161,323$0.00$00Feb 27, 2025
Feb 24, 2025QTTB
Q32 Bio Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+161,323$0.00$0161,323Feb 27, 2025

Questions about Lee Kalowski

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

Is Lee Kalowski buying or selling?

In the last 12 months Lee Kalowski reported 0 open-market buys worth $0 and 2 open-market sells worth $49k on SEC Form 4; the latest was sold $18k of QTTB on Feb 25, 2026. Grants, option exercises and tax withholding are not counted.

How did Lee Kalowski's past buys perform?

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

Where does Lee Kalowski file Form 4?

Lee Kalowski has filed Form 4 at QTTB (Q32 Bio Inc.) as CFO and 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.

Lee Kalowski: insider trades and track record | InsiderTell