SEC Form 4 · Updated Daily
SGBX
Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Shaw John William | 10%+ Owner | 3,569,100 | 2023-08-18 | X |
| Kaelin Patricia | Officer | 360,000 | 2024-02-27 | A |
| Galvin Paul M. | Director · Officer | 238,043 | 2024-07-09 | A |
| Rogers William Jeffrey | Officer | 181,767 | 2023-02-13 | J |
| Sheeran Gerald Anthony | Officer | 178,417 | 2021-10-01 | A |
| Villareal David | Director | 150,000 | 2023-04-04 | A |
| Blumenfeld Yaniv | Director | 89,681 | 2023-04-04 | A |
| Melton Christopher | Director | 88,482 | 2023-04-04 | A |
| Hawkins Shafron E. | Director | 37,500 | 2023-04-04 | A |
| Cormier-May Elizabeth | Director | 37,500 | 2023-04-04 | A |
| Safina Joseph | Director | 31,834 | 2022-11-18 | A |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2025-10-10 | McLaren Michael David | Conversion (derivative) | 203,000 | $0.00 | 312,313 |
| 2025-09-12 | McLaren Michael David | Conversion (derivative) | 70,000 | $0.00 | 109,313 |
| 2025-08-22 | McLaren Michael David | Conversion (derivative) | 20,313 | $0.00 | 39,313 |
| 2025-04-10 | McLaren Michael David | Conversion (derivative) | 19,000 | $0.00 | 19,000 |
| 2024-07-09 | Galvin Paul M. | Grant / award | 195,221 | $0.00 | 238,043 |
| 2024-02-27 | Kaelin Patricia | Grant / award | 300,000 | $0.00 | 360,000 |
| 2023-08-18 | Shaw John William | E (derivative) | 577 | $0.00 | 0 |
| 2023-08-18 | Shaw John William | E (derivative) | 900 | $0.00 | 0 |
| 2023-08-18 | Shaw John William | Option exercise (out-of-money) (derivative) | 4 | $0.00 | 0 |
| 2023-08-18 | Shaw John William | Option exercise (out-of-money) (derivative) | 4,270 | $0.00 | 0 |
| 2023-08-18 | Shaw John William | Option exercise (out-of-money) | 400 | $2.00 | 3,569,100 |
| 2023-08-18 | Shaw John William | Option exercise (out-of-money) | 427,000 | $1.00 | 3,568,700 |
| 2023-05-19 | Shaw John William | Option exercise (out-of-money) (derivative) | 3,687 | $0.00 | 0 |
| 2023-05-19 | Shaw John William | Option exercise (out-of-money) | 368,700 | $2.00 | 4,454,600 |
| 2023-05-18 | Shaw John William | Option exercise (out-of-money) (derivative) | 221 | $0.00 | 0 |
| 2023-05-18 | Shaw John William | Option exercise (out-of-money) | 22,100 | $1.00 | 4,454,600 |
| 2023-05-10 | Kaelin Patricia | Grant / award | 60,000 | $0.00 | 60,000 |
| 2023-04-28 | Shaw John William | Option exercise (out-of-money) (derivative) | 96 | $0.00 | 0 |
| 2023-04-28 | Shaw John William | Option exercise (out-of-money) | 9,600 | $2.00 | 4,454,600 |
| 2023-04-12 | Shaw John William | Conversion (derivative) | 25 | $0.70 | 3,687 |
| 2023-04-12 | Shaw John William | Conversion | 2,500 | $2.00 | 4,454,600 |
| 2023-04-12 | Shaw John William | Option exercise (out-of-money) (derivative) | 25 | $0.00 | 0 |
| 2023-04-12 | Shaw John William | Option exercise (out-of-money) | 2,500 | $2.00 | 4,454,600 |
| 2023-04-06 | Shaw John William | Conversion (derivative) | 1,621 | $0.70 | 3,712 |
| 2023-04-06 | Shaw John William | Conversion | 162,100 | $2.00 | 4,452,100 |
| 2023-04-06 | Shaw John William | Option exercise (out-of-money) (derivative) | 1,621 | $0.00 | 0 |
| 2023-04-06 | Shaw John William | Option exercise (out-of-money) | 162,100 | $2.00 | 4,454,600 |
| 2023-04-04 | Blumenfeld Yaniv | Grant / award | 37,500 | $0.00 | 89,681 |
| 2023-04-04 | Cormier-May Elizabeth | Grant / award | 37,500 | $0.00 | 37,500 |
| 2023-04-04 | Galvin Paul M. | Grant / award | 125,261 | $0.00 | 1,116,616 |
| 2023-04-04 | Hawkins Shafron E. | Grant / award | 37,500 | $0.00 | 37,500 |
| 2023-04-04 | Melton Christopher | Grant / award | 37,500 | $0.00 | 88,482 |
| 2023-04-04 | Villareal David | Grant / award | 118,166 | $0.00 | 150,000 |
| 2023-03-17 | Galvin Paul M. | J | 1,220 | $0.84 | 856,443 |
| 2023-03-16 | Galvin Paul M. | J | 401 | $0.86 | 857,663 |
| 2023-03-15 | Galvin Paul M. | J | 300 | $0.90 | 858,064 |
| 2023-03-14 | Galvin Paul M. | J | 1,100 | $0.89 | 858,364 |
| 2023-03-13 | Galvin Paul M. | J | 707 | $0.90 | 859,464 |
| 2023-03-10 | Galvin Paul M. | J | 600 | $0.94 | 860,171 |
| 2023-03-09 | Galvin Paul M. | J | 1,312 | $1.00 | 860,771 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.