Quick Takeaways
- BKSY - BlackSky Technology Inc. has 16 insiders with reported activity on this page.
- Net insider value flow over the last year: -$3,767,410.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 16 Insiders of BlackSky Technology Inc.
- Symbol
- BKSY, BKSY-WT on NYSE
- Location
- Herndon, VA
What Changed
- Buy value: ; sell value: $3,767,409.
- Net share flow: -211,995.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$3,767,410.
Buys
$0
Shares: 0
Insiders: 0
Sells
$3,767,410
Shares: 211,995
Insiders: 4
Net
-$3,767,410
Shares: -211,995
Insiders: -4
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 37,416 | $0 | $721,006 | -$721,006 |
| 6-9 | 0 | 174,579 | $0 | $3,046,404 | -$3,046,404 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
BlackSky Technology Inc. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Brian E. O'Toole | CEO and President, Director | $26,292,078 | -$1,389,478 | -5% | Mixed | 10 Mar 2026 |
| William D. Porteous | Director | $14,956,236 | Mixed | 31 Mar 2026 | ||
| Henry Edward Dubois | Chief Financial Officer | $11,764,757 | -$1,323,542 | -10% | Mixed | 10 Mar 2026 |
| Mithril GP LP | 10%+ Owner | $11,043,476 | Mixed | 09 Sep 2021 | ||
| Jonathan Z. Cohen | Former Co-Chairman | $10,594,375 | Mixed | 09 Sep 2021 | ||
| Christiana L. Lin | General Counsel & CAO | $10,304,203 | -$1,016,453 | -9% | Mixed | 10 Mar 2026 |
| David DiDomenico | Director | $3,790,764 | Mixed | 11 Sep 2025 | ||
| Brian G. Daum | Chief Financial Officer | $1,908,527 | Mixed | 09 Sep 2021 | ||
| James R. Tolonen | Director | $1,444,518 | Mixed | 31 Mar 2026 | ||
| Susan M. Gordon | Director | $1,433,887 | Mixed | 31 Mar 2026 | ||
| Magid M. Abraham | Director | $1,215,881 | Mixed | 31 Mar 2026 | ||
| Timothy M. Harvey | Director | $1,062,139 | Mixed | 11 Sep 2025 | ||
| Tracy Ward | SVP & Controller | $976,927 | -$37,936 | -3.7% | Mixed | 11 Mar 2026 |
| Johan G. Broekhuysen | Chief Financial Officer | $604,536 | Mixed | 25 Feb 2022 | ||
| JANA PARTNERS LLC | Other* | Mixed | 09 Jun 2023 | |||
| SEAHAWK SPV INVESTMENT LLC | 10%+ Owner | Mixed | 09 Sep 2021 |
Top shareholders of BlackSky Technology Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Mithril LP |
13D/G
|
Ajay Royan |
6.6%
|
2,328,503
|
$54,510,255 | $0 | 07 Aug 2025 | |
| BlackRock, Inc. |
13D/G
13F
|
Company |
6.5%
|
2,287,439
|
$46,091,896 | +$12,999,551 | 30 Sep 2025 | |
| AWM Investment Company, Inc. |
13D/G
13F
|
Company |
4.8%
|
1,725,610
|
$44,192,872 | -$12,403,333 | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
13D/G
|
Company |
5.8%
from 13D/G
|
2,072,543
|
$38,860,187 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
5.1%
|
1,837,002
|
$34,443,788 | — | 31 Dec 2025 | |
| Brian E. O'Toole |
3/4/5
|
CEO and President, Director |
—
mixed-class rows
|
1,366,022
mixed-class rows
|
$26,292,078 | -$1,389,478 | 10 Mar 2026 | |
| Cercano Management LLC |
13F
|
Company |
3.5%
|
1,243,976
|
$23,324,550 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.8%
|
996,019
|
$18,675,356 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
2.7%
|
956,711
|
$17,938,331 | — | 31 Dec 2025 | |
| Daiwa Securities Group Inc. |
13F
|
Company |
2.4%
|
874,389
|
$16,395,000 | — | 31 Dec 2025 | |
| William D. Porteous |
3/4/5
|
Director |
2.2%
|
797,666
|
$14,956,236 | — | 31 Mar 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2%
|
718,490
|
$13,474,438 | — | 31 Dec 2025 | |
| Henry Edward Dubois |
3/4/5
|
Chief Financial Officer |
—
mixed-class rows
|
706,503
mixed-class rows
|
$11,764,757 | -$1,323,542 | 10 Mar 2026 | |
| Nantahala Capital Management, LLC |
13D/G
|
— |
4.5%
|
1,377,060
|
$11,663,698 | -$9,087,802 | 31 Dec 2024 | |
| Mithril GP LP |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
8,241,400
|
$11,043,476 | — | 09 Sep 2021 | |
| Jonathan Z. Cohen |
3/4/5
|
Former Co-Chairman |
—
mixed-class rows
|
16,231,250
mixed-class rows
|
$10,594,375 | — | 09 Sep 2021 | |
| Christiana L. Lin |
3/4/5
|
General Counsel & CAO |
—
mixed-class rows
|
615,245
mixed-class rows
|
$10,304,203 | -$1,016,453 | 10 Mar 2026 | |
| VAN ECK ASSOCIATES CORP |
13F
|
Company |
1.5%
|
528,750
|
$9,914,000 | — | 31 Dec 2025 | |
| LBP AM SA |
13F
|
Company |
1.4%
|
497,187
|
$9,322,257 | — | 31 Dec 2025 | |
| Mitsubishi UFJ Asset Management Co., Ltd. |
13F
|
Company |
1.1%
|
380,903
|
$7,930,400 | — | 31 Dec 2025 | |
| WASATCH ADVISORS LP |
13F
|
Company |
1.1%
|
407,701
|
$7,644,394 | — | 31 Dec 2025 | |
| LORD, ABBETT & CO. LLC |
13F
|
Company |
0.94%
|
337,631
|
$6,331,000 | — | 31 Dec 2025 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. |
13F
|
Company |
0.83%
|
296,727
|
$5,563,631 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.78%
|
281,375
|
$5,275,798 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.73%
|
263,399
|
$4,938,731 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.71%
|
253,681
|
$4,756,519 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.7%
|
250,988
|
$4,706,027 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.6%
|
215,148
|
$4,035,664 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.59%
|
213,045
|
$3,994,594 | — | 31 Dec 2025 | |
| David DiDomenico |
3/4/5
|
Director |
0.57%
|
205,017
|
$3,790,764 | — | 11 Sep 2025 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.5%
|
180,311
|
$3,380,000 | — | 31 Dec 2025 | |
| OPPENHEIMER & CO INC |
13F
|
Company |
0.49%
|
174,763
|
$3,276,806 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.48%
|
171,892
|
$3,222,975 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.48%
|
171,397
|
$3,213,694 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.45%
|
161,253
|
$3,023,494 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.43%
|
155,687
|
$2,919,131 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.43%
|
154,965
|
$2,905,594 | — | 31 Dec 2025 | |
| ESSEX INVESTMENT MANAGEMENT CO LLC |
13F
|
Company |
0.37%
|
133,696
|
$2,506,800 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.34%
|
123,293
|
$2,311,743 | — | 31 Dec 2025 | |
| Jump Financial, LLC |
13F
|
Company |
0.34%
|
123,046
|
$2,307,113 | — | 31 Dec 2025 | |
| Beacon Pointe Advisors, LLC |
13F
|
Company |
0.34%
|
120,860
|
$2,266,125 | — | 31 Dec 2025 | |
| Penserra Capital Management LLC |
13F
|
Company |
0.31%
|
110,138
|
$2,064,000 | — | 31 Dec 2025 | |
| TUDOR INVESTMENT CORP ET AL |
13F
|
Company |
0.31%
|
109,744
|
$2,057,700 | — | 31 Dec 2025 | |
| Walleye Capital LLC |
13D/G
13F
|
Company |
0.8%
|
230,572
|
$1,952,949 | $0 | 30 Sep 2024 | |
| Brian G. Daum |
3/4/5
|
Chief Financial Officer |
—
class O/S missing
|
1,424,274
|
$1,908,527 | — | 09 Sep 2021 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.27%
|
96,338
|
$1,806,337 | — | 31 Dec 2025 | |
| Patriot Financial Group Insurance Agency, LLC |
13F
|
Company |
0.25%
|
90,648
|
$1,699,650 | — | 31 Dec 2025 | |
| THOMPSON SIEGEL & WALMSLEY LLC |
13F
|
Company |
0.24%
|
85,634
|
$1,606,000 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.23%
|
81,727
|
$1,532,382 | — | 31 Dec 2025 | |
| Verition Fund Management LLC |
13F
|
Company |
0.22%
|
78,149
|
$1,465,294 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for BlackSky Technology Inc.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Susan M. Gordon | BKSY | Class A Common Stock | Award | 1.18% | 894 | 76,474 | 31 Mar 2026 | Direct | ||
| James R. Tolonen | BKSY | Class A Common Stock | Award | 1.17% | 894 | 77,041 | 31 Mar 2026 | Direct | ||
| William D. Porteous | BKSY | Class A Common Stock | Award | 1.16% | 894 | 77,785 | 31 Mar 2026 | Direct | ||
| Magid M. Abraham | BKSY | Class A Common Stock | Award | 1.4% | 894 | 64,847 | 31 Mar 2026 | Direct | ||
| Brian E. O'Toole | BKSY | Class A Common Stock | Tax liability | -2.53% | -24,999 | 963,522 | 11 Mar 2026 | Direct | ||
| Christiana L. Lin | BKSY | Class A Common Stock | Tax liability | -3.49% | -13,741 | 379,817 | 11 Mar 2026 | Direct | ||
| Henry Edward Dubois | BKSY | Class A Common Stock | Tax liability | -5.08% | -23,551 | 439,822 | 11 Mar 2026 | Direct | ||
| Tracy Ward | BKSY | Class A Common Stock | Tax liability | -1.84% | -803 | 42,923 | 11 Mar 2026 | Direct | ||
| Brian E. O'Toole | BKSY | Class A Common Stock | Award | 19.9% | 191,666 | 1,155,188 | 10 Mar 2026 | Direct | ||
| Christiana L. Lin | BKSY | Class A Common Stock | Award | 19.2% | 72,916 | 452,733 | 10 Mar 2026 | Direct | ||
| Henry Edward Dubois | BKSY | Class A Common Stock | Award | 17.5% | 77,083 | 516,905 | 10 Mar 2026 | Direct | ||
| William D. Porteous | BKSY | Class A Common Stock | Award | 1.59% | 1,200 | 76,891 | 31 Dec 2025 | Direct | ||
| Magid M. Abraham | BKSY | Class A Common Stock | Award | 1.91% | 1,200 | 63,953 | 31 Dec 2025 | Direct | ||
| James R. Tolonen | BKSY | Class A Common Stock | Award | 1.6% | 1,200 | 76,147 | 31 Dec 2025 | Direct | ||
| Susan M. Gordon | BKSY | Class A Common Stock | Award | 1.61% | 1,200 | 75,580 | 31 Dec 2025 | Direct | ||
| Tracy Ward | BKSY | Class A Common Stock | Sale | -1.58% | $13,489 | $19.27 | -700 | 43,726 | 12 Dec 2025 | Direct |
| Christiana L. Lin | BKSY | Class A Common Stock | Sale | -2.57% | $200,177 | $19.27 | -10,388 | 393,558 | 12 Dec 2025 | Direct |
| Henry Edward Dubois | BKSY | Class A Common Stock | Sale | -2.71% | $248,814 | $19.27 | -12,912 | 463,373 | 12 Dec 2025 | Direct |
| Brian E. O'Toole | BKSY | Class A Common Stock | Sale | -1.34% | $258,526 | $19.27 | -13,416 | 988,521 | 12 Dec 2025 | Direct |
| James R. Tolonen | BKSY | Class A Common Stock | Award | 1.01% | 750 | 74,947 | 10 Dec 2025 | Direct | ||
| William D. Porteous | BKSY | Class A Common Stock | Award | 2.02% | 1,500 | 75,691 | 10 Dec 2025 | Direct | ||
| James R. Tolonen | BKSY | Class A Common Stock | Award | 1.53% | 1,116 | 74,197 | 30 Sep 2025 | Direct | ||
| Magid M. Abraham | BKSY | Class A Common Stock | Award | 1.81% | 1,116 | 62,753 | 30 Sep 2025 | Direct | ||
| William D. Porteous | BKSY | Class A Common Stock | Award | 1.53% | 1,116 | 74,191 | 30 Sep 2025 | Direct | ||
| Susan M. Gordon | BKSY | Class A Common Stock | Award | 1.52% | 1,116 | 74,380 | 30 Sep 2025 | Direct | ||
| Brian E. O'Toole | BKSY | Class A Common Stock | Award | 33.2% | 250,000 | 1,001,937 | 15 Sep 2025 | Direct | ||
| Brian E. O'Toole | BKSY | Class A Common Stock | Award | 33.3% | 250,000 | 1,000,164 | 15 Sep 2025 | Direct | ||
| Tracy Ward | BKSY | Class A Common Stock | Sale | -1.51% | $11,883 | $17.45 | -681 | 44,426 | 12 Sep 2025 | Direct |
| Christiana L. Lin | BKSY | Class A Common Stock | Sale | -5.33% | $396,848 | $17.45 | -22,742 | 403,946 | 12 Sep 2025 | Direct |
| Henry Edward Dubois | BKSY | Class A Common Stock | Sale | -5.91% | $522,505 | $17.45 | -29,943 | 476,285 | 12 Sep 2025 | Direct |
| Brian E. O'Toole | BKSY | Class A Common Stock | Sale | -4.02% | $550,007 | $17.45 | -31,519 | 751,937 | 12 Sep 2025 | Direct |
| Timothy M. Harvey | BKSY | Class A Common Stock | Award | 17.7% | 8,625 | 57,444 | 11 Sep 2025 | Direct | ||
| James R. Tolonen | BKSY | Class A Common Stock | Award | 13.4% | 8,625 | 73,081 | 11 Sep 2025 | Direct | ||
| Susan M. Gordon | BKSY | Class A Common Stock | Award | 13.3% | 8,625 | 73,264 | 11 Sep 2025 | Direct | ||
| David DiDomenico | BKSY | Class A Common Stock | Award | 5.24% | 8,625 | 173,290 | 11 Sep 2025 | Direct | ||
| Magid M. Abraham | BKSY | Class A Common Stock | Award | 16.3% | 8,625 | 61,637 | 11 Sep 2025 | Direct | ||
| William D. Porteous | BKSY | Class A Common Stock | Award | 13.4% | 8,625 | 73,075 | 11 Sep 2025 | Direct | ||
| Brian E. O'Toole | BKSY | Class A Common Stock | Sale | -4.25% | $580,945 | $17.45 | -33,292 | 750,164 | 10 Sep 2025 | Direct |
| Henry Edward Dubois | BKSY | Class A Common Stock | Sale | -6.25% | $552,223 | $17.45 | -31,646 | 474,582 | 10 Sep 2025 | Direct |
| Christiana L. Lin | BKSY | Class A Common Stock | Sale | -5.63% | $419,428 | $17.45 | -24,036 | 402,652 | 10 Sep 2025 | Direct |
| Tracy Ward | BKSY | Class A Common Stock | Sale | -1.6% | $12,564 | $17.45 | -720 | 44,387 | 10 Sep 2025 | Direct |
| Susan M. Gordon | BKSY | Class A Common Stock | Award | 1.72% | 1,093 | 64,639 | 30 Jun 2025 | Direct | ||
| William D. Porteous | BKSY | Class A Common Stock | Award | 1.73% | 1,093 | 64,450 | 30 Jun 2025 | Direct | ||
| Magid M. Abraham | BKSY | Class A Common Stock | Award | 2.11% | 1,093 | 53,012 | 30 Jun 2025 | Direct | ||
| James R. Tolonen | BKSY | Class A Common Stock | Award | 1.72% | 1,093 | 64,456 | 30 Jun 2025 | Direct | ||
| Tracy Ward | BKSY | Class A Common Stock | Options Exercise | 6% | 2,554 | 45,107 | 16 Jun 2025 | Direct | ||
| Tracy Ward | BKSY | Class A Common Stock | Tax liability | -1.96% | -683 | 34,146 | 10 Jun 2025 | Direct | ||
| Christiana L. Lin | BKSY | Class A Common Stock | Tax liability | -0.94% | -4,042 | 426,688 | 10 Jun 2025 | Direct | ||
| Henry Edward Dubois | BKSY | Class A Common Stock | Tax liability | -1.55% | -7,839 | 499,321 | 10 Jun 2025 | Direct | ||
| Brian E. O'Toole | BKSY | Class A Common Stock | Tax liability | -0.88% | -6,935 | 783,456 | 10 Jun 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.