Korro Bio, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Lucchino David L. | President and CEO | Sale | 2,710 | $0.64 | $1,734 | 694,483 | Jul 19, 2023 |
| Mitrano Richard J. | VP Finance & Operations | Sale | 229 | $0.64 | $147 | 53,558 | Jul 19, 2023 |
| Lucchino David L. | President and CEO | Sale | 2,775 | $0.68 | $1,887 | 702,807 | Jul 18, 2023 |
| Mitrano Richard J. | VP Finance & Operations | Sale | 249 | $0.56 | $139 | 54,015 | Jul 17, 2023 |
| Loose Christopher R. | Chief Scientific Officer | Sale | 1,484 | $0.56 | $831 | 194,553 | Jul 17, 2023 |
| Mitrano Richard J. | VP Finance & Operations | Sale | 227 | $0.39 | $89 | 54,656 | Jul 14, 2023 |
| Loose Christopher R. | Chief Scientific Officer | Sale | 906 | $0.59 | $535 | 197,452 | Jul 13, 2023 |
| Lucchino David L. | President and CEO | Sale | 1,815 | $0.59 | $1,071 | 705,582 | Jul 13, 2023 |
| Loose Christopher R. | Chief Scientific Officer | Sale | 1,335 | $0.39 | $521 | 199,687 | Jul 11, 2023 |
| Lucchino David L. | President and CEO | Sale | 2,649 | $0.39 | $1,033 | 710,043 | Jul 11, 2023 |
| Mitrano Richard J. | VP Finance & Operations | Sale | 220 | $0.40 | $88 | 54,883 | Jul 11, 2023 |
| Mitrano Richard J. | VP Finance & Operations | Sale | 220 | $0.36 | $79 | 55,551 | Jul 10, 2023 |
| Lucchino David L. | President and CEO | Sale | 2,634 | $0.35 | $922 | 718,014 | Jul 10, 2023 |
| Loose Christopher R. | Chief Scientific Officer | Sale | 1,306 | $0.36 | $470 | 203,689 | Jul 10, 2023 |
| Loose Christopher R. | Chief Scientific Officer | Option Exercise | 4,546 | — | — | 70,569 | Jul 10, 2023 |
| Mitrano Richard J. | VP Finance & Operations | Option Exercise | 758 | — | — | 33,363 | Jul 7, 2023 |
| Lucchino David L. | President and CEO | Sale | 2,634 | $0.35 | $922 | 436,196 | Jul 7, 2023 |
| Mitrano Richard J. | VP Finance & Operations | Option Exercise | 758 | — | — | 32,287 | Jul 6, 2023 |
| Lucchino David L. | President and CEO | Option Exercise | 9,091 | — | — | 438,830 | Jul 5, 2023 |
| Loose Christopher R. | Chief Scientific Officer | Sale | 1,384 | $0.34 | $471 | 57,758 | Jul 5, 2023 |
| Mitrano Richard J. | VP Finance & Operations | Sale | 224 | $0.35 | $78 | 55,771 | Jul 4, 2023 |
| Lucchino David L. | President and CEO | Sale | 2,773 | $0.34 | $943 | 720,648 | Jul 4, 2023 |
| Loose Christopher R. | Chief Scientific Officer | Sale | 1,384 | $0.34 | $471 | 198,666 | Jul 4, 2023 |
| Mitrano Richard J. | VP Finance & Operations | Option Exercise | 7,500 | — | — | 33,179 | Jul 6, 2022 |
| Loose Christopher R. | Chief Scientific Officer | Sale | 4,415 | $1.53 | $6,755 | 50,050 | Jul 5, 2022 |
| McCubbin Quentin | Chief Manufacturing Officer | Sale | 6,569 | $1.52 | $9,985 | 38,340 | Jul 5, 2022 |
| Arnold Wendy S | Chief People Officer | Sale | 5,638 | $1.52 | $8,570 | 21,186 | Jul 5, 2022 |
| LeBel Carl | Chief Development Officer | Sale | 4,421 | $1.52 | $6,720 | 26,343 | Jul 5, 2022 |
| PFREUNDSCHUH PETER P. | Chief Financial Officer | Sale | 1,404 | $3.88 | $5,448 | 10,469 | Feb 22, 2022 |
| LeBel Carl | Chief Development Officer | Sale | 974 | $3.87 | $3,769 | 12,195 | Feb 22, 2022 |
| Arnold Wendy S | Chief People Officer | Sale | 1,209 | $3.87 | $4,679 | 13,150 | Feb 22, 2022 |
| Loose Christopher R. | Chief Scientific Officer | Sale | 1,069 | $3.53 | $3,774 | 34,827 | Feb 18, 2022 |
| McCubbin Quentin | Chief Manufacturing Officer | Sale | 1,584 | $3.53 | $5,592 | 22,771 | Feb 18, 2022 |
| LeBel Carl | Chief Development Officer | Sale | 831 | $4.43 | $3,681 | 14,070 | Feb 17, 2022 |
| PFREUNDSCHUH PETER P. | Chief Financial Officer | Sale | 1,296 | $4.20 | $5,443 | 11,873 | Feb 16, 2022 |
| Loose Christopher R. | Chief Scientific Officer | Sale | 900 | $4.19 | $3,771 | 36,870 | Feb 16, 2022 |
| McCubbin Quentin | Chief Manufacturing Officer | Sale | 1,303 | $4.20 | $5,473 | 25,766 | Feb 16, 2022 |
| Arnold Wendy S | Chief People Officer | Sale | 1,118 | $4.19 | $4,684 | 14,359 | Feb 16, 2022 |
| LeBel Carl | Chief Development Officer | Option Exercise | 15,000 | — | — | 15,745 | Feb 15, 2022 |
| Loose Christopher R. | Chief Scientific Officer | Option Exercise | 15,000 | — | — | 39,484 | Feb 15, 2022 |
| PFREUNDSCHUH PETER P. | Chief Financial Officer | Option Exercise | 15,000 | — | — | 15,745 | Feb 15, 2022 |
| McCubbin Quentin | Chief Manufacturing Officer | Sale | 1,261 | $4.33 | $5,460 | 28,302 | Feb 14, 2022 |
| Arnold Wendy S | Chief People Officer | Sale | 1,168 | $4.33 | $5,057 | 16,534 | Feb 14, 2022 |
| Lucchino David L. | President and CEO | Option Exercise | 6,905 | $0.61 | $4,212 | 470,111 | Jan 18, 2022 |
| Lucchino David L. | President and CEO | Option Exercise | 6,905 | $0.61 | $4,212 | 463,206 | Dec 20, 2021 |
| Lucchino David L. | President and CEO | Option Exercise | 6,905 | $0.61 | $4,212 | 456,301 | Nov 2, 2021 |
| Lucchino David L. | President and CEO | Option Exercise | 6,905 | $0.61 | $4,212 | 449,396 | Oct 5, 2021 |
| Lucchino David L. | President and CEO | Option Exercise | 6,905 | $0.61 | $4,212 | 442,491 | Sep 3, 2021 |
| Lucchino David L. | President and CEO | Option Exercise | 6,905 | $0.61 | $4,212 | 435,586 | Aug 3, 2021 |
| Lucchino David L. | President and CEO | Option Exercise | 6,905 | $0.61 | $4,212 | 428,681 | Jul 1, 2021 |