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Insider · CIK 0001543792

Matthew L. Posard

director

Files at HALO (HALOZYME THERAPEUTICS, INC.), NAUT (Nautilus Biotechnology, Inc.). First filing Sep 17, 2026, latest Oct 2, 2026.

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 / 2
$0 bought, $2.6M 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.

HALO: HALOZYME THERAPEUTICS, INC.

HALOOct 9, 2026 · close 110.42

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
22Weak
HALOsell 210b5-1
HALOZYME THERAPEUTICS, INC.
$568k
5,230 shares
-9%+74% from low-7% from high
33Weak
HALOsell 210b5-1
HALOZYME THERAPEUTICS, INC.
$2.0M
18,996 shares
-24%-

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Oct 1, 2026HALO
HALOZYME THERAPEUTICS, INC.
SOpen-market sale
Common Stock10b5-1
-730$107.17$78k58,10910 d ago
Oct 1, 2026HALO
HALOZYME THERAPEUTICS, INC.
SOpen-market sale
Common Stock10b5-1
-3,300$108.45$358k54,80910 d ago
Oct 1, 2026HALO
HALOZYME THERAPEUTICS, INC.
SOpen-market sale
Common Stock10b5-1
-1,100$109.57$121k53,70910 d ago
Oct 1, 2026HALO
HALOZYME THERAPEUTICS, INC.
SOpen-market sale
Common Stock10b5-1
-100$110.04$11k53,60910 d ago
Sep 16, 2026HALO
HALOZYME THERAPEUTICS, INC.
SOpen-market sale
Common Stock10b5-1
-3,100$106.13$329k74,73525 d ago
Sep 16, 2026HALO
HALOZYME THERAPEUTICS, INC.
SOpen-market sale
Common Stock10b5-1
-3,000$106.83$320k71,73525 d ago
Sep 16, 2026HALO
HALOZYME THERAPEUTICS, INC.
SOpen-market sale
Common Stock10b5-1
-8,896$108.04$961k62,83925 d ago
Sep 16, 2026HALO
HALOZYME THERAPEUTICS, INC.
SOpen-market sale
Common Stock10b5-1
-4,000$108.99$436k58,83925 d ago
Jun 23, 2025NAUT
Nautilus Biotechnology, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+45,000$0.00$045,000Jun 25, 2025
May 1, 2025HALO
HALOZYME THERAPEUTICS, INC.
AGrant or award
Common Stock
+4,165$0.00$074,039May 2, 2025
May 1, 2025HALO
HALOZYME THERAPEUTICS, INC.
AGrant or award
Option to Purchase Common Stockderivative
+5,750$0.00$05,750May 2, 2025

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.

Matthew L. Posard: insider trades and track record | InsiderTell