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Insider · CIK 0001222644

Robert P Ragusa

ceoofficerdirector

Files at TWST (Twist Bioscience Corp), GRAL (GRAIL, Inc.), ALMR (Alamar Biosciences, Inc.). First filing Oct 17, 2024, latest Apr 9, 2026.

Robert P Ragusa files SEC Form 4 as CEO and director at GRAL (GRAIL, Inc.), and also at TWST (Twist Bioscience Corp), ALMR (Alamar Biosciences, Inc.). Since Oct 17, 2024, Robert P Ragusa has reported 0 open-market buys worth $0 and 10 open-market sells worth $18M, the latest filed on Apr 9, 2026.

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

The newest scored trade: sold $6.2M of GRAL on Apr 8, 2026, filed Apr 9, 2026, scored 70 (notable). In the last 12 months: 0 buys worth $0 and 5 sells worth $13M.

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 / 10
$0 bought, $18M 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.

GRAL: GRAIL, Inc.

GRALOct 9, 2026 · close 140.58

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
70Notable
GRALsell 3
GRAIL, Inc.
$6.2M
123,502 shares
-19%+137% from low-56% from high
56Moderate
GRALsell 3
GRAIL, Inc.
$409k
8,441 shares
-1%+142% from low-55% from high
65Notable
GRALsell 3
GRAIL, Inc.
$1.9M
37,504 shares
-5%+146% from low-55% from high
65Notable
GRALsell 3
GRAIL, Inc.
$3.8M
40,000 shares
-5%+490% from low-9% from high
51Moderate
GRALsell 2
GRAIL, Inc.
$499k
7,239 shares
-1%+484% from low0% from high
70Notable
GRALsell 3
GRAIL, Inc.
$3.2M
94,035 shares
-11%+185% from low-35% from high
53Moderate
GRALsell 3
GRAIL, Inc.
$238k
7,625 shares
-1%+143% from low-44% from high
53Moderate
GRALsell 3
GRAIL, Inc.
$238k
7,625 shares
-1%+162% from low-40% from high
46Moderate
GRALsell 3
GRAIL, Inc.
$41k
994 shares
-0%+205% from low-30% from high
55Moderate
GRALsell
GRAIL, Inc.
$1.7M
123,454 shares
-17%-

Planned sales

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

FiledCompanySharesValueSale datePast 3 months
Mar 5, 2026 GRAL
GRAIL, Inc.
9,285
0.02% of outstanding
$481kMar 5, 2026$1.3M
Mar 2, 2026 GRAL
GRAIL, Inc.
40,641
0.10% of outstanding
$2.2MMar 2, 2026$3.8M
Dec 3, 2025 GRAL
GRAIL, INC.
40,000
0.10% of outstanding
$3.8MDec 3, 2025$499k
Oct 14, 2025 GRAL
GRAIL, Inc.
8,275
0.02% of outstanding
$573kOct 15, 2025none
Apr 29, 2025 GRAL
GRAIL, Inc.
96,207
0.27% of outstanding
$3.5MMay 1, 2025$279k
Mar 3, 2025 GRAL
GRAIL, Inc.
9,102
0.03% of outstanding
$331kMar 5, 2025none
Oct 11, 2024 GRAL
GRAIL, Inc.
135,454
0.41% of outstanding
$2.0MOct 14, 2024none

Transactions

Every row this insider has filed, 20 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Sep 1, 2026ALMR
Alamar Biosciences, Inc.
AGrant or award
Common Stock
+5,686$0.00$05,68640 d ago
Sep 1, 2026ALMR
Alamar Biosciences, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+25,599$0.00$025,59940 d ago
Apr 8, 2026GRAL
GRAIL, Inc.
SOpen-market sale
Common Stock
-123,502$49.92$6.2M518,582Apr 9, 2026
Mar 5, 2026GRAL
GRAIL, Inc.
SOpen-market sale
Common Stock
-980$53.01$52k649,545Mar 9, 2026
Mar 9, 2026GRAL
GRAIL, Inc.
SOpen-market sale
Common Stock
-7,203$47.93$345k642,342Mar 9, 2026
Mar 9, 2026GRAL
GRAIL, Inc.
SOpen-market sale
Common Stock
-258$46.73$12k642,084Mar 9, 2026
Mar 2, 2026GRAL
GRAIL, Inc.
SOpen-market sale
Common Stock
-35,787$50.09$1.8M652,242Mar 3, 2026
Mar 2, 2026GRAL
GRAIL, Inc.
SOpen-market sale
Common Stock
-1,717$51.84$89k650,525Mar 3, 2026
Feb 5, 2026TWST
Twist Bioscience Corp
AGrant or award
Common Stock
+5,095$0.00$028,983Feb 9, 2026
Dec 3, 2025GRAL
GRAIL, Inc.
SOpen-market sale
Common Stock
-14,807$94.43$1.4M713,222Dec 5, 2025
Dec 3, 2025GRAL
GRAIL, Inc.
SOpen-market sale
Common Stock
-15,356$95.28$1.5M697,866Dec 5, 2025
Dec 3, 2025GRAL
GRAIL, Inc.
SOpen-market sale
Common Stock
-8,233$96.22$792k689,633Dec 5, 2025
Dec 3, 2025GRAL
GRAIL, Inc.
SOpen-market sale
Common Stock
-1,604$97.28$156k688,029Dec 5, 2025
Oct 15, 2025GRAL
GRAIL, Inc.
SOpen-market sale
Common Stock
-7,239$68.88$499k727,388Oct 16, 2025
May 2, 2025GRAL
GRAIL, Inc.
SOpen-market sale
Common Stock
-94,035$33.93$3.2M734,627May 5, 2025
Mar 11, 2025GRAL
GRAIL, Inc.
SOpen-market sale
Common Stock
-7,625$31.21$238k828,662Apr 3, 2025
Mar 7, 2025GRAL
GRAIL, Inc.
SOpen-market sale
Common Stock
-7,625$31.21$238k828,662Mar 12, 2025
Mar 5, 2025GRAL
GRAIL, Inc.
SOpen-market sale
Common Stock
-994$41.51$41k836,287Mar 6, 2025
Feb 3, 2025GRAL
GRAIL, Inc.
AGrant or award
Common Stock
+224,620$28.84$6.5M837,281Feb 4, 2025
Oct 15, 2024GRAL
GRAIL, Inc.
SOpen-market sale
Common Stock
-123,454$14.02$1.7M612,661Oct 17, 2024

Questions about Robert P Ragusa

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

Is Robert P Ragusa buying or selling?

In the last 12 months Robert P Ragusa reported 0 open-market buys worth $0 and 5 open-market sells worth $13M on SEC Form 4; the latest was sold $6.2M of GRAL on Apr 8, 2026. Grants, option exercises and tax withholding are not counted.

How did Robert P Ragusa's past buys perform?

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

Where does Robert P Ragusa file Form 4?

Robert P Ragusa has filed Form 4 at GRAL (GRAIL, Inc.) as Chief Executive Officer; TWST (Twist Bioscience Corp); ALMR (Alamar Biosciences, Inc.). 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.