SEC filingsOct 12, 2026 to Oct 19, 2026: insiders reported 840 purchases and sales across 212 companies.840 insider purchases and sales in 7 daysSee the filings →
HornScout

Company profile

ARCT

Arcturus Therapeutics Holdings Inc.
NASDAQHealth Care

Latest close: 10.34 USD · Oct 16, 2026 · 1 year · split-adjusted

On the price, the facts of the public record●Results filed
With an account, also○dividends▲splits◌next earningswith an account

End-of-day prices provided by Twelve Data · One close per session; the series does not update during the trading day.

Latest on record

The most recent facts, as filed.

Up to three of the most recent, checkable facts already loaded on this page, each linked to its source.

  1. Sep 23, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
  2. Aug 25, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
  3. Aug 6, 2026Material event · 8-KFiled by the company itself.Open the filing ↗

In numbers

What this profile holds, counted.

Closes · 1 year250
SEC filings on record39715 flagged findings
Reported transactions (Form 4)74since Mar 6, 2023 · and 10 other holdings
Corporate events (8-K)30since Feb 22, 2021

What the record says

Description, identity and filings, each with its source.

Every block cites its source. The colour of a finding marks its category — which document, who filed it — not how much it matters.

SEC record

SEC dossier

What this company has filed with the SEC, in plain language.

The 25 most recent filings (of 397)

Everything filed

Every SEC filing, newest first, with what it is. Below, each type with its own explanation.

  • Oct 7, 26SCHEDULE 13G/A ↗Passive stake · Federated Hermes, Inc. · 5.9% · event on Sep 30, 26 · amendment
  • Sep 23, 268-K ↗Current report · Communication to the market
  • Aug 25, 268-K ↗Current report · Communication to the market
  • Aug 6, 268-K ↗Current report · Results
  • Aug 6, 2610-Q ↗Quarterly report
  • Jul 2, 268-K ↗Current report · Entered a material agreement
  • Insider transaction · 7 Form 4 filingsshow all 7hide
  • Jun 5, 268-K ↗Current report · Shareholder vote results
  • May 7, 26Form 4 ↗Insider transaction
  • May 7, 26Form 3 ↗Insider transaction
  • May 7, 268-K ↗Current report · A senior executive left or was appointed
  • May 7, 2610-Q ↗Quarterly report
  • May 7, 26SCHEDULE 13G/A ↗Passive stake · ARK Investment Management LLC · 10.4% · event on Apr 30, 26 · amendment
  • Apr 24, 26DEF 14A ↗Shareholder meeting and votes
  • Mar 26, 26SCHEDULE 13G/A ↗Passive stake · amendment
  • Mar 3, 268-K ↗Current report · Results
  • Mar 3, 2610-K ↗Annual report
  • Feb 17, 26SCHEDULE 13G/A ↗Passive stake · amendment
  • Feb 3, 26SCHEDULE 13G/A ↗Passive stake · ARK Investment Management LLC · 9.2% · event on Dec 31, 25 · amendment

397 filings on record, the oldest from Mar 18, 19.

Listing the 25 most recent filings of the 397 on record.

8-Ks, explained

Structure39Governance14
  • Jul 2, 26StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
  • Governance4 senior executive changes2024 – 2026show all 4hide
    • May 7, 26GovernanceA senior executive left or was appointed+3 more in the same filing8-K 5.02 ↗
    • Dec 15, 25GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
    • Jun 24, 24GovernanceA senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
    • Jun 14, 24GovernanceA senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
  • Apr 5, 24GovernanceAuditor change filing (8-K Item 4.01)+1 more in the same filing8-K 4.01 ↗
  • Feb 23, 24GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
  • Structure3 material agreements entered2023show all 3hide
    • Sep 26, 23StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
    • Aug 14, 23StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
    • Apr 21, 23StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
  • Mar 17, 23StructureA material agreement was terminated8-K 1.02 ↗
  • Dec 13, 22GovernanceA senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
  • Structure5 material agreements entered2022show all 5hide
    • Nov 4, 22StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
    • Nov 2, 22StructureEntered a material agreement+1 more in the same filing8-K 1.01 ↗
    • Sep 1, 22StructureEntered a material agreement+1 more in the same filing8-K 1.01 ↗
    • Jun 24, 22StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
    • Apr 20, 22StructureEntered a material agreement+3 more in the same filing8-K 1.01 ↗
  • Feb 11, 22GovernanceA senior executive left or was appointed8-K 5.02 ↗
  • Dec 13, 21GovernanceA senior executive left or was appointed+3 more in the same filing8-K 5.02 ↗
  • Nov 1, 21StructureEntered a material agreement+1 more in the same filing8-K 1.01 ↗
  • Oct 5, 21StructureEntered a material agreement+1 more in the same filing8-K 1.01 ↗

4 older filings not shown · The record reaches back to Jun 14, 19.

Corporate events are tracked from 2004-08-23, when the SEC renumbered 8-K items. Earlier filings use an incompatible numbering and are not classified here.

Ownership and control

Schedule 13G: short-form filing

The short form, for holders who meet specific requirements: institutional investors, passive investors without a control purpose, or exempt investors. Asset managers and index funds usually file it.

  • ARK Investment Management LLC10.4%Apr 30, 26SCHEDULE 13G/A ↗2 co-filers on this document — the figure is the largest single stake, not their sum. · 2 earlier filings
  • Balyasny Asset Management L.P.8.0%Sep 30, 25SCHEDULE 13G ↗5 co-filers on this document — the figure is the largest single stake, not their sum.
  • BlackRock, Inc.7.8%Mar 31, 25SCHEDULE 13G/A ↗
  • Sumitomo Mitsui Trust Group, Inc.7.2%Sep 30, 25SCHEDULE 13G/A ↗2 co-filers on this document — the figure is the largest single stake, not their sum. · 1 earlier filing
  • Amova Asset Management Americas, Inc.7.2%Sep 30, 25SCHEDULE 13G/A ↗
show 4 more holdershide

Structured 13D/G data starts 2023-12, when the SEC moved these filings to a machine-readable format. Earlier filings exist but are not parsed here.

SEC record

Insider transactions

Buys and sells reported by officers, directors and major shareholders on SEC Form 4.

Buys and sells

  • Aug 15, 25Buy$20KANDY SASSINEChief Financial Officer↗
  • Oct 15, 24Sell$249KPad ChivukulaChief Scientific Officer & COO↗
  • Jun 12, 24Sell$1.6MANDY SASSINEChief Financial Officer↗
  • Jun 5, 24Sell$5KPad ChivukulaChief Scientific Officer & COO↗
  • Jun 3, 24Sell$1.0MPad ChivukulaChief Scientific Officer & COO↗
  • Mar 25, 24Sell$611KPad ChivukulaChief Scientific Officer & COO↗
  • Mar 19, 24Sell$300KPad ChivukulaChief Scientific Officer & COO↗
  • Nov 1, 23Sell$94KPad ChivukulaChief Scientific Officer & COO↗
  • Oct 2, 23Sell$128KPad ChivukulaChief Scientific Officer & COO↗
  • Sep 1, 23Sell$157KPad ChivukulaChief Scientific Officer & COO↗
  • Aug 1, 23Sell$175KPad ChivukulaChief Scientific Officer & COO↗
  • Jul 14, 23Sell$244KKeith C KummerfeldSee Remarks↗

There are 9 more transactions in this stretch.

Stock compensation, tax and giftsshow the 13 other transactionshide

Stock compensation, tax withholding, option exercises and gifts. They are listed separately and are not included in the purchase and sale totals. The type describes the transaction, not the filer's intent.

  • Jun 14, 24Compensationamount n/aPETER C FARRELL↗
  • Jun 14, 24Compensationamount n/aJAMES F BARLOW↗
  • Jun 14, 24Compensationamount n/aMagda Marquet↗
  • Jun 14, 24Compensationamount n/aJohn Markels↗
  • Jun 14, 24Compensationamount n/aEDWARD W HOLMES↗
  • Jun 14, 24Compensationamount n/aJing L. Marantz↗
  • Aug 15, 23Compensation$21KANDY SASSINEChief Financial Officer↗
  • Jul 14, 23Compensation$41KKeith C KummerfeldSee Remarks↗
  • Jul 14, 23Compensation$7KKeith C KummerfeldSee Remarks↗
  • Jul 14, 23Compensation$15KKeith C KummerfeldSee Remarks↗
  • Apr 18, 23Compensation$15KKeith C KummerfeldSee Remarks↗
  • Apr 18, 23Compensation$41KKeith C KummerfeldSee Remarks↗
  • Apr 18, 23Compensation$7KKeith C KummerfeldSee Remarks↗

The full record holds 34 transactions and goes back to Mar 6, 23.

Its sector and its market

Arcturus Therapeutics Holdings Inc. among Health Care companies

The profile shows what is on record. Context and Radar place the company among those of its sector and region.

With an account you also get

  • The four engines — growth, trend, risk and context — each with its word and its score.
  • The risk band and the sector phase.
  • The company's fundamentals and accounts.
  • Watchlist: your list of companies, with the «since you follow it» figure.

The research continues

The profile tells the story. The market sets the scene.

From Arcturus Therapeutics Holdings Inc., the path continues in the other areas. Each one is shown with its own example, named in its step.

  1. Place it in its market

    Seven layers of its region's market — rates, credit, stress, liquidity, regime, breadth and sectors — with historical precedents. Public example: Apple and ASML.

    See how Context works →
  2. See what deserves a closer look

    Every morning Radar screens the covered companies through a lens and explains why each candidate made the list. Public example: the lists from Aug 11, 2026.

    See how Radar works →
  3. Keep the why

    Follow Arcturus Therapeutics Holdings Inc. in the Watchlist and review what changed since you added it: context, notices and filings. Written theses are coming soon. Public example: Apple.

    See an example review →

Coverage

What sits behind this page.

Where each figure comes from and how far it reaches.

Prices
End-of-day closes provided by Twelve Data. One close per session; not real time. Closes adjusted for splits.
Series quality
Series with incidents in the period; the chart shows what could be kept.
SEC records
397 documents on file, from Mar 18, 2019 to Oct 7, 2026.
Company description
No description available.
This page
Generated on Oct 19, 2026; refreshed through the day.

Start at your own pace

Explore first. Go deeper with access.

Every company's public profile is open. The full reading — context, Radar, watchlist — is inside, in an invitation-only beta.

Compare plans →
  • No account

    This profile for every company we cover: closing prices with the record's facts on the curve, the SEC file in plain language, insider trades included, and links to its sector and exchange.

  • Pro

    What matters today, with its reason, is free with an account. Pro adds, in the profile, each company's notices and their explanation and the analysis of its insiders; in Radar, all the lenses, which notice each candidate carries, filters by notice type and «no dilution», and the cycle cohort filter; and in Watchlist, more companies and notice changes with their reason.

  • Pro+

    Adds the Lab: test a hypothesis on comparable cohorts before reusing it; and bring your lenses to Radar.

Are the prices real time?

No. It is one close per session, from the provider and with the date shown on the profile; it does not update during the trading day.

Which SEC documents appear here?

Those filed with the SEC by the company, its insiders and its major shareholders, within our coverage: periodic reports (10-K, 10-Q, 20-F), material events (8-K), proposed sale notices (Form 144), insider transactions (Form 4) and stakes above 5% (13D/13G). Each links to the original on EDGAR.

Why does a European company show no SEC records?

It depends on the company: some European issuers file a 20-F or 6-K with the SEC and others don't. The profile shows whatever is on record; when there is nothing, it says so rather than guessing why. Europe does not yet have a common filing archive like EDGAR in the United States. The EU will open its own, ESAP, in July 2027 (managers' transactions arrive in January 2028), and we plan to add it once it is available.

Before forming a view on a company,
read what is on record.

One close per session. The record in plain language. Its sector and its market one link away. Your judgment when deciding.

Access by invitation while the beta lasts. Not advice: the profile shows what is on record; it does not recommend.

Arcturus Therapeutics Holdings Inc. (ARCT): stock price history, insider trades and SEC filings — HornScout