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ISCO · International Stem Cell CORP

Healthcare

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Updated Oct 29 · 6 feeds behind: Congress trades, 17 days, and 5 more · Every feed →

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The market view

Price chart

The interactive ISCO chart (by TradingView) loads here.

Our take

None of our tested rules has picked ISCO yet.

The 0–100 score for ISCO
Members see one number for how strongly these rules agree on ISCO, and the day each rule fired. Better-tested rules count more, and so do different kinds of filings that point the same way.
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Compare with this company’s history

Is disclosure activity unusual?

See how many different insiders or members of Congress reported purchases or sales of ISCO. Each bar covers 28 days, by disclosure date. Several trades by one person count once in each group and period.

Latest period: Oct 6, 2026–Nov 2, 2026 · UTC dates · today is excluded

Insider purchases

Short history

Only 0 earlier periods are on file to compare with. We need at least 6 full periods before calling a count unusual.

Latest 28 days
0
Earlier median
—
Earlier range
—
Distinct filers per 28 daysScale: 0–1
Nov 4, 2025Nov 2, 2026
Earlier periodsLatest 28 daysLimited or missing history

Who appears in the latest period?

No named filers on file for this period.

Up to three filers; one example disclosure each.

Inspect this period’s filings

The history behind this view

First stored company disclosure: Sep 15, 2026. Newest disclosure across this feed: Oct 27, 2026.

Earlier periods in the comparison: 0. Outlined periods are missing data, so they are left out of the comparison. The chart scale changes with the category.

Exact counts, dates and filings for all four categories
Insider purchases · Short history

Only 0 earlier periods are on file to compare with. We need at least 6 full periods before calling a count unusual. Earlier median: —; range: unavailable.

Insider purchases: distinct filers in stored disclosures
Period and filingsFilersHistory
Nov 4, 2025–Dec 1, 2025—Unavailable
Dec 2, 2025–Dec 29, 2025—Unavailable
Dec 30, 2025–Jan 26, 2026—Unavailable
Jan 27, 2026–Feb 23, 2026—Unavailable
Feb 24, 2026–Mar 23, 2026—Unavailable
Mar 24, 2026–Apr 20, 2026—Unavailable
Apr 21, 2026–May 18, 2026—Unavailable
May 19, 2026–Jun 15, 2026—Unavailable
Jun 16, 2026–Jul 13, 2026—Unavailable
Jul 14, 2026–Aug 10, 2026—Unavailable
Aug 11, 2026–Sep 7, 2026—Unavailable
Sep 8, 2026–Oct 5, 20260Partial; excluded
Oct 6, 2026–Nov 2, 2026Latest period0Within stored history
Insider sales · Short history

Only 0 earlier periods are on file to compare with. We need at least 6 full periods before calling a count unusual. Earlier median: —; range: unavailable.

Insider sales: distinct filers in stored disclosures
Period and filingsFilersHistory
Nov 4, 2025–Dec 1, 2025—Unavailable
Dec 2, 2025–Dec 29, 2025—Unavailable
Dec 30, 2025–Jan 26, 2026—Unavailable
Jan 27, 2026–Feb 23, 2026—Unavailable
Feb 24, 2026–Mar 23, 2026—Unavailable
Mar 24, 2026–Apr 20, 2026—Unavailable
Apr 21, 2026–May 18, 2026—Unavailable
May 19, 2026–Jun 15, 2026—Unavailable
Jun 16, 2026–Jul 13, 2026—Unavailable
Jul 14, 2026–Aug 10, 2026—Unavailable
Aug 11, 2026–Sep 7, 2026—Unavailable
Sep 8, 2026–Oct 5, 20261Partial; excluded
Oct 6, 2026–Nov 2, 2026Latest period0Within stored history
Congress purchases · Source needs an update

The feed’s newest disclosure is too old for a current comparison. Counts show only the records already stored. Earlier median: —; range: unavailable.

Congress purchases: distinct filers in stored disclosures
Period and filingsFilersHistory
Nov 4, 2025–Dec 1, 2025—Unavailable
Dec 2, 2025–Dec 29, 2025—Unavailable
Dec 30, 2025–Jan 26, 2026—Unavailable
Jan 27, 2026–Feb 23, 2026—Unavailable
Feb 24, 2026–Mar 23, 2026—Unavailable
Mar 24, 2026–Apr 20, 2026—Unavailable
Apr 21, 2026–May 18, 2026—Unavailable
May 19, 2026–Jun 15, 2026—Unavailable
Jun 16, 2026–Jul 13, 2026—Unavailable
Jul 14, 2026–Aug 10, 2026—Unavailable
Aug 11, 2026–Sep 7, 2026—Unavailable
Sep 8, 2026–Oct 5, 2026—Unavailable
Oct 6, 2026–Nov 2, 2026Latest period—Unavailable
Congress sales · Source needs an update

The feed’s newest disclosure is too old for a current comparison. Counts show only the records already stored. Earlier median: —; range: unavailable.

Congress sales: distinct filers in stored disclosures
Period and filingsFilersHistory
Nov 4, 2025–Dec 1, 2025—Unavailable
Dec 2, 2025–Dec 29, 2025—Unavailable
Dec 30, 2025–Jan 26, 2026—Unavailable
Jan 27, 2026–Feb 23, 2026—Unavailable
Feb 24, 2026–Mar 23, 2026—Unavailable
Mar 24, 2026–Apr 20, 2026—Unavailable
Apr 21, 2026–May 18, 2026—Unavailable
May 19, 2026–Jun 15, 2026—Unavailable
Jun 16, 2026–Jul 13, 2026—Unavailable
Jul 14, 2026–Aug 10, 2026—Unavailable
Aug 11, 2026–Sep 7, 2026—Unavailable
Sep 8, 2026–Oct 5, 2026—Unavailable
Oct 6, 2026–Nov 2, 2026Latest period—Unavailable
How to read this comparison

The median is the middle count in up to 12 earlier, non-overlapping 28-day periods; the range runs from the smallest to the largest count. The latest period is excluded from both. A comparison needs at least 6 earlier periods, including 3 with activity. The feed’s latest disclosure must be within 7 days of the current period’s end. This freshness check does not verify complete collection.

Insiders include individuals and reporting entities; only purchase and sale codes enter this view. Congress counts reporting members, including their disclosed family transactions. The same filer can appear in purchases and sales, so these categories should not be added into a net count.

These are stored disclosures, not a complete measure of trading. Reporting delays and collection gaps can change the comparison. More activity does not identify a motive or predict a stock’s return.

Company timeline

What has been happening?

May 1, 2026–Oct 27, 2026. Select a month in a category to inspect its records.

Company filings

Insiders

All 8 records in this snapshot
  1. Disclosed
    Paul V Maier · Sale

    Transaction dated Sep 11, 2026

  2. Filed
  3. Filed
  4. Filed
  5. Filed
  6. Record date
  7. Record date
  8. Filed

Month counts include every record on file. The lists show the newest records on this page. A dash means none on file that month. Trades use disclosure dates; contract dates follow the source record. Nearby events do not establish the cause of a price move.

Who's buying and selling · last 90 days

Congress

No Congress trades on ISCO disclosed in the last 90 days.

See every Congress trade on ISCO →

Company insiders

0 buys · 1 sell · $10.5K sold

  1. ▼ SELLPaul V Maier DirectorISCO International Stem Cell CORP$10.5Kdisclosed Sep 15 · filed 4 days after the trade
See every insider trade on ISCO →

Filings & events

Company filings (8-K) 18

Events the company must report to the SEC within days — results, deals, departures, restatements.

What it files 8-Ks about

  • Signed a major agreement · item 1.014
  • Shareholder vote results · item 5.072
  • Took on new debt · item 2.032
  • Closed a purchase or sale of assets · item 2.011
  • Changed auditors · item 4.011
  • Directors or officers joined, left or got new pay · item 5.021

Filing red flags 50

Warning signs in the company's own SEC filings — going-concern doubts, control weaknesses, staff comment letters, late filings, restatements, Wells notices, clinical holds, dividend cuts.

Planned insider sales (Form 144) 1

Notices insiders file before they sell certain shares, such as ones they got straight from the company.

1 in the last 90 days · 1 notice on file

The notices on file don't give the sale's size; each sale shows up under company insiders once it is reported.

Biggest named funds (13F)

The largest ISCO holdings among the well-known funds whose quarterly 13F filings we read — opens here.

Every disclosed trade on ISCO

  1. ▼ SELLPaul V Maier DirectorISCO International Stem Cell CORP$10.5Kdisclosed Sep 15 · filed 4 days after the trade
See the trades on ISCO in the feed →
People & votes

Which members of Congress traded ISCO, sponsored bills that touch it and voted on them — opens here.