NYSE · CIK 0001750704
HAWK HawkEye 360, Inc.
Insider trading from SEC Form 4. Last filing 11 d ago. Close $13.70 on Oct 9, 2026, 0% from the 52-week low and -60% from the high.
In brief
HawkEye 360, Inc. (HAWK) has 20 SEC Form 4 filings on file from 13 insiders, the latest filed on Oct 2, 2026. In the last 90 days insiders made 0 open-market buys worth $0 and 4 open-market sells worth $2.8M, net -$2.8M.
6 open-market trades have been scored at HAWK. The newest: John Sheldon Serafini (President and CEO) sold $1.4M of stock on Oct 1, 2026, filed Oct 2, 2026, scored 20 (weak), under a 10b5-1 plan. 3 insiders sold within 14 days of each other around Sep 15, 2026.
4 Form 144 notices of planned sales are on file, the latest filed Oct 1, 2026.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at HawkEye 360, Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 20Weak | John Sheldon Serafini President and CEO sell | $1.4M 92,329 shares | -14% | 0% from low-57% from high | |
| 32Weak | Michael S. Turner Chief Legal Officer sell | $431k 26,506 shares | -13% | - | |
| 48Moderate | Craig Chih-Meng Searle Chief Financial Officer sell | $150k 9,228 shares | -4% | - | |
| 47Moderate | Arthur L Money director sell | $821k 50,000 shares | -48% | - | |
| 47Moderate | Francis Alphonse Finelli director buy | $390k 15,000 shares | +43% | 0% from low-2% from high | |
| 47Moderate | Francis Alphonse Finelli director buy | $380k 14,615 shares | +42% | 0% from low-2% from high |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Oct 1, 2026 | JOHN SERAFINI Director, Officer | 92,329 0.09% of outstanding | $1.4M | Oct 1, 2026 | none |
| Sep 15, 2026 | Searle Craig Chih-Meng Officer | 9,228 0.01% of outstanding | $151k | Sep 15, 2026 | none |
| Sep 15, 2026 | Turner Michael S. Officer | 26,506 0.03% of outstanding | $434k | Sep 15, 2026 | none |
| Sep 11, 2026 | ARTHUR MONEY Director | 50,000 0.05% of outstanding | $821k | Sep 11, 2026 | none |
Transactions
The newest 50 of 220 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | John Sheldon Serafini President and CEO | MOption exercise Common Stock10b5-1 | +92,329 | $0.23 | $21k | 647,301 | 11 d ago |
| Oct 1, 2026 | John Sheldon Serafini President and CEO | SOpen-market sale Common Stock10b5-1 | -92,329 | $14.78 | $1.4M | 554,972 | 11 d ago |
| Oct 1, 2026 | John Sheldon Serafini President and CEO | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -92,329 | $0.23 | $21k | 140,943 | 11 d ago |
| Sep 15, 2026 | Michael S. Turner Chief Legal Officer | SOpen-market sale Common Stock10b5-1 | -8,250 | $16.29 | $134k | 197,777 | 26 d ago |
| Sep 15, 2026 | Craig Chih-Meng Searle Chief Financial Officer | SOpen-market sale Common Stock | -9,228 | $16.29 | $150k | 209,228 | 26 d ago |
| Sep 16, 2026 | Michael S. Turner Chief Legal Officer | SOpen-market sale Common Stock10b5-1 | -18,256 | $16.24 | $296k | 179,521 | 26 d ago |
| Sep 11, 2026 | Arthur L Money director | MOption exercise Common Stock | +50,000 | $0.23 | $12k | 104,545 | 28 d ago |
| Sep 11, 2026 | Arthur L Money director | SOpen-market sale Common Stock | -50,000 | $16.41 | $821k | 54,545 | 28 d ago |
| Sep 11, 2026 | Arthur L Money director | MOption exercise Stock Option (Right to Buy)derivative | -50,000 | $0.00 | $0 | 67,136 | 28 d ago |
| Jun 3, 2026 | Arthur L Money director | MOption exercise Common Stock | +4,000 | $2.78 | $11k | 8,545 | Jun 4, 2026 |
| Jun 3, 2026 | Arthur L Money director | MOption exercise Common Stock | +1,000 | $2.93 | $2,930 | 9,545 | Jun 4, 2026 |
| Jun 3, 2026 | Arthur L Money director | MOption exercise Common Stock | +45,000 | $2.31 | $104k | 54,545 | Jun 4, 2026 |
| Jun 3, 2026 | Arthur L Money director | MOption exercise Stock Option (Right to Buy)derivative | -4,000 | $0.00 | $0 | 0 | Jun 4, 2026 |
| Jun 3, 2026 | Arthur L Money director | MOption exercise Stock Option (Right to Buy)derivative | -1,000 | $0.00 | $0 | 0 | Jun 4, 2026 |
| Jun 3, 2026 | Arthur L Money director | MOption exercise Stock Option (Right to Buy)derivative | -45,000 | $0.00 | $0 | 30,000 | Jun 4, 2026 |
| May 8, 2026 | Francis Alphonse Finelli director | POpen-market purchase Common Stock | +5,000 | $26.00 | $130k | 40,026 | May 28, 2026 |
| May 8, 2026 | Francis Alphonse Finelli director | POpen-market purchase Common Stockindirect: By Spouse | +10,000 | $26.00 | $260k | 10,000 | May 28, 2026 |
| May 8, 2026 | David G Dewalt director, owner | CConversion Common Stock | +467,726 | - | - | 467,726 | May 12, 2026 |
| May 8, 2026 | NightDragon Growth I, L.P. other | CConversion COMMON STOCK | +5,841,537 | - | - | 5,841,537 | May 12, 2026 |
| May 8, 2026 | Charles Christopher Herndon Chief Information Officer | CConversion Common Stock | +1,818 | - | - | 41,818 | May 12, 2026 |
| May 8, 2026 | NightDragon Growth II, L.P. other | CConversion COMMON STOCK | +2,114,806 | - | - | 2,114,806 | May 12, 2026 |
| May 8, 2026 | James A Winnefeld Jr director | CConversion Common Stock | +6,363 | - | - | 133,052 | May 12, 2026 |
| May 8, 2026 | Insight Holdings Group, LLC owner | CConversion Common Stockindirect: See footnote | +2,822,723 | - | - | 2,822,723 | May 12, 2026 |
| May 8, 2026 | Arthur L Money director | CConversion Common Stock | +4,545 | - | - | 4,545 | May 12, 2026 |
| May 8, 2026 | Insight Holdings Group, LLC owner | CConversion Common Stockindirect: See footnote | +3,035,906 | - | - | 3,057,734 | May 12, 2026 |
| May 8, 2026 | Francis Alphonse Finelli director | POpen-market purchase Common Stock | +5,000 | $26.00 | $130k | 40,026 | May 12, 2026 |
| May 8, 2026 | Mark Spoto director | CConversion Common Stockindirect: See footnote | +2,279,591 | - | - | 2,319,211 | May 12, 2026 |
| May 8, 2026 | John Sheldon Serafini President and CEO | CConversion Common Stock | +58,297 | - | - | 554,972 | May 12, 2026 |
| May 8, 2026 | Insight Holdings Group, LLC owner | CConversion Common Stockindirect: See footnote | +4,240,157 | - | - | 4,271,240 | May 12, 2026 |
| May 8, 2026 | Janine Virginia Sweeney Chief Human Resources Officer | CConversion Common Stock | +1,818 | - | - | 85,453 | May 12, 2026 |
| May 8, 2026 | Insight Holdings Group, LLC owner | CConversion Common Stockindirect: See footnote | +2,272,723 | - | - | 2,272,723 | May 12, 2026 |
| May 8, 2026 | Insight Holdings Group, LLC owner | MOption exercise Common Stockindirect: See footnote | +328,410 | - | - | 4,599,650 | May 12, 2026 |
| May 8, 2026 | NightDragon Growth II, L.P. other | CConversion SERIES A-1 PREFERRED STOCKderivative | -271,102 | $0.00 | $0 | 0 | May 12, 2026 |
| May 8, 2026 | David G Dewalt director, owner | CConversion Common Stockindirect: See footnote | +5,841,537 | - | - | 6,911,018 | May 12, 2026 |
| May 8, 2026 | James A Winnefeld Jr director | CConversion Series A-1 Preferred Stockderivative | -6,363 | $0.00 | $0 | 0 | May 12, 2026 |
| May 8, 2026 | Francis Alphonse Finelli director | POpen-market purchase Common Stockindirect: By Spouse | +9,615 | $26.00 | $250k | 9,615 | May 12, 2026 |
| May 8, 2026 | Insight Holdings Group, LLC owner | MOption exercise Common Stockindirect: See footnote | +228,340 | - | - | 3,286,074 | May 12, 2026 |
| May 8, 2026 | Charles Christopher Herndon Chief Information Officer | CConversion Series A-1 Preferred Stockderivative | -1,818 | $0.00 | $0 | 0 | May 12, 2026 |
| May 8, 2026 | Arthur L Money director | CConversion Common Stockindirect: See footnote | +12,337 | - | - | 12,337 | May 12, 2026 |
| May 8, 2026 | Insight Holdings Group, LLC owner | CConversion Series A-1 Preferred Stockderivativeindirect: See footnote | -725,646 | - | - | 0 | May 12, 2026 |
| May 8, 2026 | John Sheldon Serafini President and CEO | CConversion Common Stockindirect: See footnote | +4,545 | - | - | 4,545 | May 12, 2026 |
| May 8, 2026 | Janine Virginia Sweeney Chief Human Resources Officer | CConversion Series A-1 Preferred Stockderivative | -1,818 | $0.00 | $0 | 0 | May 12, 2026 |
| May 8, 2026 | Mark Spoto director | CConversion Common Stockindirect: See footnote | +1,389,294 | - | - | 1,413,578 | May 12, 2026 |
| May 8, 2026 | NightDragon Growth I, L.P. other | MOption exercise COMMON STOCK | +30,645 | - | - | 5,872,182 | May 12, 2026 |
| May 8, 2026 | Insight Holdings Group, LLC owner | CConversion Series A-1 Preferred Stockderivativeindirect: See footnote | -584,256 | - | - | 0 | May 12, 2026 |
| May 8, 2026 | Insight Holdings Group, LLC owner | DDisposition to issuer Common Stockindirect: See footnote | -127 | - | - | 4,599,523 | May 12, 2026 |
| May 8, 2026 | NightDragon Growth I, L.P. other | MOption exercise COMMON STOCK | +85,273 | - | - | 5,957,455 | May 12, 2026 |
| May 8, 2026 | David G Dewalt director, owner | MOption exercise Common Stockindirect: See footnote | +30,645 | - | - | 6,941,663 | May 12, 2026 |
| May 8, 2026 | Arthur L Money director | MOption exercise Common Stockindirect: See footnote | +123 | - | - | 12,460 | May 12, 2026 |
| May 8, 2026 | Insight Holdings Group, LLC owner | DDisposition to issuer Common Stockindirect: See footnote | -88 | - | - | 3,285,986 | May 12, 2026 |
Insiders
Everyone who has filed a Form 4 here.
- David G Dewaltdirector, owner
- Francis Alphonse Finellidirector
- Charles Christopher HerndonChief Information Officer
- Insight Holdings Group, LLCdirector, owner
- Arthur L Moneydirector
- NightDragon Growth I, L.P.other
- NightDragon Growth II, L.P.other
- Craig Chih-Meng SearleChief Financial Officer
- John Sheldon SerafiniPresident and CEO
- Mark Spotodirector
- Janine Virginia SweeneyChief Human Resources Officer
- Michael S. TurnerChief Legal Officer
- James A Winnefeld Jrdirector
Questions about HAWK
Answered from the filings on this page, as of the latest one.
Are insiders buying HAWK?
As of Oct 2, 2026, SEC Form 4 filings show 0 open-market buys worth $0 by 0 insiders and 4 open-market sells worth $2.8M by 4 insiders at HawkEye 360, Inc. in the last 90 days, net -$2.8M. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade HAWK on the open market?
John Sheldon Serafini (President and CEO) sold $1.4M of HAWK on Oct 1, 2026 and filed the Form 4 on Oct 2, 2026. InsiderTell scored 20 (weak), under a 10b5-1 plan.
How many insiders file Form 4 at HawkEye 360, Inc.?
13 people have filed a Form 4 at HawkEye 360, Inc., among them David G Dewalt (director and 10% owner), Francis Alphonse Finelli (director), Charles Christopher Herndon (Chief Information Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.