Updated Jul 16, 2026 · Last SEC filing 2026-06-30
BlackSky Technology Inc. (BKSY) has filed 7 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-30. 2 Form 8-K material event filings were reported by BKSY in the last 90 days. 3 Form 144 notices of proposed sale were filed for BKSY stock. InsiderAlpha tracks every BKSY SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Radio & Tv Broadcasting & Communications Equipment (SIC 3663) |
|---|---|
| SEC CIK | 0001753539 |
| Form 4 filings (90d) | 7 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 3 |
| Latest Form 4 filing | 2026-06-30 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Porteous William D. | Director | A — Grant or award | 805 | $0.00 | — | SEC | |
| Gordon Susan M. | Director | A — Grant or award | 805 | $0.00 | — | SEC | |
| TOLONEN JAMES R | Director | A — Grant or award | 805 | $0.00 | — | SEC | |
| Abraham Magid M | Director | A — Grant or award | 805 | $0.00 | — | SEC | |
| Dubois Henry Edward | Chief Financial Officer | S — Open-market sale | 14.7K | $34.10 | $503K | SEC | |
| O'Toole Brian E | CEO and President | S — Open-market sale | 15.5K | $34.10 | $529K | SEC | |
| Lin Christiana L | General Counsel & CAO | S — Open-market sale | 12.0K | $34.10 | $409K | SEC | |
| Porteous William D. | Director | A — Grant or award | 894 | $0.00 | — | SEC | |
| TOLONEN JAMES R | Director | A — Grant or award | 894 | $0.00 | — | SEC | |
| Gordon Susan M. | Director | A — Grant or award | 894 | $0.00 | — | SEC | |
| Abraham Magid M | Director | A — Grant or award | 894 | $0.00 | — | SEC | |
| Lin Christiana L | General Counsel & CAO | F — Tax withholding / forfeiture | 13.7K | $24.00 | $330K | SEC | |
| Dubois Henry Edward | Chief Financial Officer | F — Tax withholding / forfeiture | 23.6K | $24.00 | $565K | SEC | |
| Ward Tracy | SVP & Controller | F — Tax withholding / forfeiture | 803 | $24.00 | $19K | SEC | |
| O'Toole Brian E | CEO and President | F — Tax withholding / forfeiture | 25.0K | $24.00 | $600K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for BlackSky Technology Inc. (BKSY). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| TOLONEN JAMES R | 1 | — |
| Dubois Henry Edward | 1 | $503K |
| Lin Christiana L | 1 | $409K |
| Abraham Magid M | 1 | — |
| O'Toole Brian E | 1 | $529K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in BKSY insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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