Massivemarkets

SEC Form 4

BlackSky Technology Inc. (BKSY) insider trading

In the 12 months to Oct 26, 2026, 4 BKSY insiders reported open-market sales of $5.7M across 18 filings; no open-market purchases were filed.

Latest filing · Last 12 months · Source: SEC EDGAR · How we count

Open-market sales
$5.7M
18 filings · 4 insiders
Open-market purchases
$0
0 filings
Pre-arranged sales (10b5-1)
8 of 18
$1.7M of $5.7M sold (30%)

Who traded BKSY, and when

  • Sale
  • Sale, pre-arranged (10b5-1)

BKSY daily close from Oct 27, 2025 to Oct 26, 2026, between $13.14 and $51.63, last $18.13. 18 sale and 0 purchase filings by 4 insiders, marked at their filing dates. Brian E. O'Toole, CEO and President: sold $3.2M across 6 filings, first filed Dec 12, 2025, last Oct 22, 2026. Henry Edward Dubois, Chief Financial Officer: sold $1.3M across 6 filings, first filed Dec 12, 2025, last Oct 22, 2026. Christiana L. Lin, General Counsel & CAO: sold $1.1M across 5 filings, first filed Dec 12, 2025, last Oct 22, 2026. Tracy Ward, SVP & Controller: sold $13.5K across 1 filing, first filed Dec 12, 2025, last Dec 12, 2025.

Largest mark · tap a row for others

Brian E. O'Toole · CEO and President

Filing 1 of 2 within a week · $1,615,666 total

Sale $436,600

20,000 shares at $21.83 avg

Filed Sep 10, 2026 · traded Sep 9

Pre-arranged (10b5-1) · close on filing date $20.75

BKSY daily closelast $18.13

Brian E. O'Toole · CEO and President

$3.2M sold

Henry Edward Dubois · Chief Financial Officer

$1.3M sold

Christiana L. Lin · General Counsel & CAO

$1.1M sold

Tracy Ward · SVP & Controller

$13.5K sold
One row per insider; marks sit at the SEC filing date, sized by dollar value.

Open-market trades

18 filings in the last 12 months
Other insider activity (not market trades) · 31 records
  • Tax withholding4 records
  • Grants and awards27 records

Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.

How to read this page

Open-market purchase or sale
A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
Pre-arranged (10b5-1)
The insider marked the filing as made under a trading plan set up in advance (SEC Rule 10b5-1). The mark covers the whole filing, and an unmarked filing may still be under a plan.
Filing date
Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.

Frequently asked questions

Has BlackSky Technology Inc.'s CEO sold stock?

Yes. Brian E. O'Toole (CEO) sold 145,208 shares ($3.2M) between Dec 2025 and Oct 2026, $1.2M of it under a pre-arranged 10b5-1 plan.

How current is BKSY’s insider data?

These are BKSY Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.

What counts as an open-market buy or sell?

Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.

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Track BKSY insider trades with your agent

This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:

Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for BKSY every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.

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