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Stock filings

HALO insider trades & Congress trades

Halozyme Therapeutics, Inc.: public insider filings and Congress disclosures, in one place.

39insider buys + sells
1Congress trades
0 / 39insider buys / sells, 90 days
–latest buying cluster

Bourse has recorded 39 open-market insider transactions in Halozyme Therapeutics, Inc. (HALO) (0 purchases with code P and 39 sales with code S), the most recent on October 8, 2026.

In the last 90 days: 0 purchases by 0 insiders ($0) and 39 sales by 3 ($22.1M).

Members of Congress have disclosed 1 trades in HALO (0 purchases, 1 sales), the latest transaction dated September 29, 2026. Congress filings can arrive up to 45 days after the trade.

Insider transactions

SEC Form 4, open-market purchases (P) and sales (S) only. Awards, option exercises and tax withholding are excluded. “After” shows the stock’s return over the month following the trade, where available.

DateInsiderRoleTypeSharesPriceValueAfter 1M
Oct 8, 2026Torley HelenPRESIDENT AND CEOSell4,810$108.18$520K–
Oct 8, 2026Torley HelenPRESIDENT AND CEOSell3,090$108.91$337K–
Oct 8, 2026Torley HelenPRESIDENT AND CEOSell11,900$110.00$1.31M–
Oct 8, 2026Torley HelenPRESIDENT AND CEOSell200$110.51$22K–
Oct 7, 2026Torley HelenPRESIDENT AND CEOSell8,600$111.03$955K–
Oct 7, 2026Torley HelenPRESIDENT AND CEOSell10,300$111.84$1.15M–
Oct 7, 2026Torley HelenPRESIDENT AND CEOSell900$112.78$102K–
Oct 7, 2026Torley HelenPRESIDENT AND CEOSell200$113.69$23K–
Oct 6, 2026Torley HelenPRESIDENT AND CEOSell2,300$107.90$248K–
Oct 6, 2026Torley HelenPRESIDENT AND CEOSell6,000$109.33$656K–
Oct 6, 2026Torley HelenPRESIDENT AND CEOSell9,920$109.89$1.09M–
Oct 6, 2026Torley HelenPRESIDENT AND CEOSell1,780$110.81$197K–
Oct 1, 2026Posard Matthew L.–Sell730$107.17$78K+0.2%
Oct 1, 2026Posard Matthew L.–Sell3,300$108.45$358K+0.2%
Oct 1, 2026Posard Matthew L.–Sell1,100$109.57$121K+0.2%
Oct 1, 2026Posard Matthew L.–Sell100$110.04$11K+0.2%
Sep 16, 2026Posard Matthew L.–Sell3,100$106.13$329K+0.1%
Sep 16, 2026Posard Matthew L.–Sell3,000$106.83$320K+0.1%
Sep 16, 2026Posard Matthew L.–Sell8,896$108.04$961K+0.1%
Sep 16, 2026Posard Matthew L.–Sell4,000$108.99$436K+0.1%
Sep 11, 2026Torley HelenPRESIDENT AND CEOSell15,492$107.15$1.66M+0.0%
Sep 11, 2026Torley HelenPRESIDENT AND CEOSell4,508$107.55$485K+0.0%
Sep 10, 2026Torley HelenPRESIDENT AND CEOSell14,588$107.01$1.56M+0.0%
Sep 10, 2026Torley HelenPRESIDENT AND CEOSell5,412$107.58$582K+0.0%
Sep 9, 2026Torley HelenPRESIDENT AND CEOSell13,304$107.22$1.43M+0.0%
Sep 9, 2026Torley HelenPRESIDENT AND CEOSell6,596$107.82$711K+0.0%
Sep 9, 2026Torley HelenPRESIDENT AND CEOSell100$108.67$11K+0.0%
Aug 19, 2026Torley HelenPRESIDENT AND CEOSell7,200$106.36$766K+0.0%
Aug 19, 2026Torley HelenPRESIDENT AND CEOSell9,600$107.22$1.03M+0.0%
Aug 19, 2026Torley HelenPRESIDENT AND CEOSell3,200$107.77$345K+0.0%

Showing the 30 most recent of 39 transactions.

Congress trades

Disclosures under the STOCK Act. Amounts are reported as ranges; some trades are made by a spouse or dependent child.

TradedMemberPartyTypeAmountDisclosedFiling
Sep 29, 2026Gilbert CisneroshouseSell$1,001 - $15,000Oct 12, 2026Source

Data as of November 8, 2026. Public filings only. A purchase or sale by a politician or an insider does not by itself imply any wrongdoing.

New to these filings? Read how to read a Form 4, how Congress trades are disclosed and what insider cluster buying means. Sources and limits are on the Methodology page.

See these filings as they land

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