SEC Form 4 · Updated Daily
KALA
— KALA BIO, INC. OwnershipInsider 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 |
|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 10%+ Owner · Director | 7,039,613 | 2022-05-26 | S |
| Kolchinsky Peter | 10%+ Owner · Director | 7,039,613 | 2022-05-26 | S |
| Shah Rajeev M. | 10%+ Owner · Director | 7,039,613 | 2022-05-26 | S |
| RA Capital Healthcare Fund LP | 10%+ Owner · Director | 7,039,613 | 2022-05-26 | S |
| OrbiMed Capital GP VI LLC | Director | 3,447,840 | 2018-02-08 | P |
| ORBIMED ADVISORS LLC | Director | 3,447,840 | 2018-02-08 | P |
| ISALY SAMUEL D | 10%+ Owner | 2,692,715 | 2018-01-12 | P |
| ENRIGHT PATRICK G | Director | 2,270,946 | 2017-07-25 | P |
| Tammenoms Bakker Juliet | 10%+ Owner | 2,270,946 | 2017-07-25 | P |
| Longitude Venture Partners II, L.P. | 10%+ Owner | 2,270,946 | 2017-07-25 | P |
| Longitude Capital Partners II, LLC | 10%+ Owner | 2,270,946 | 2017-07-25 | P |
| TEPPER ROBERT I | 10%+ Owner | 1,621,092 | 2017-07-25 | C |
| OXFORD FINANCE LLC | 10%+ Owner | 1,620,000 | 2025-11-25 | — |
| Hadley Harbor Master Investors (Cayman) L.P. | 10%+ Owner | 888,894 | 2017-07-25 | C |
| BAKER FELIX | 10%+ Owner · Director | 887,973 | 2025-09-30 | S |
| BAKER JULIAN | 10%+ Owner · Director | 887,973 | 2025-09-30 | S |
| BAKER BROS. ADVISORS LP | 10%+ Owner · Director | 887,973 | 2025-09-30 | S |
| Baker Bros. Advisors (GP) LLC | 10%+ Owner · Director | 887,973 | 2025-09-30 | S |
| CAXTON CORP | 10%+ Owner | 763,755 | 2017-07-20 | P |
| CDK ASSOCIATES, L.L.C. | 10%+ Owner | 763,755 | 2017-07-20 | P |
| Kovner Bruce | 10%+ Owner | 763,755 | 2017-07-20 | P |
| Hanes Justin | 10%+ Owner | 601,923 | 2017-07-19 | — |
| LANGER ROBERT | Director | 326,402 | 2017-07-19 | — |
| Chen Hongming | Officer | 225,566 | 2021-10-26 | S |
| Iwicki Mark T | Director · Officer | 103,540 | 2025-10-23 | S |
| Trachtenberg Eric | Officer | 69,293 | 2024-01-04 | A |
| Kharabi Darius | Officer | 41,760 | 2025-10-22 | S |
| Paull Robert Bradley | Director | 40,000 | 2021-06-17 | A |
| Grunberg Gregory | Director | 40,000 | 2021-06-17 | A |
| Brazzell Romulus K | Officer | 35,952 | 2025-10-22 | S |
| Bazemore Todd | Officer | 35,932 | 2025-10-22 | S |
| Reumuth Mary | Officer | 29,873 | 2025-10-22 | S |
| KOVEN ANDREW I | Director | 16,972 | 2025-06-15 | A |
| Rosen Howard B | Director | 16,240 | 2025-06-15 | A |
| PERRY GREGORY D | Director | 13,344 | 2025-06-15 | A |
| Blumenkranz Mark S. | Director | 13,091 | 2024-06-11 | A |
| Myers C. Daniel | Director | 10,374 | 2025-06-15 | A |
| Farid Marjan | Director | 10,242 | 2025-06-15 | A |
| Lazar David E. | Director · Officer | 0 | 2025-11-23 | — |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2025-12-18 | Lazar David E. | J (derivative) | 368,614 | — | 0 |
| 2025-11-25 | OXFORD FINANCE LLC | — | — | — | 1,620,000 |
| 2025-11-24 | Lazar David E. | — | — | — | 0 |
| 2025-11-24 | Lazar David E. | Grant / award (derivative) | 900,000 | — | 900,000 |
| 2025-11-23 | Lazar David E. | — | — | — | 0 |
| 2025-10-23 | Reumuth Mary | Open-market sale | 967 | $0.82 | 28,906 |
| 2025-10-23 | Iwicki Mark T | Open-market sale | 154,894 | $0.81 | 103,540 |
| 2025-10-22 | Kharabi Darius | Open-market sale | 20,806 | $0.83 | 41,760 |
| 2025-10-22 | Brazzell Romulus K | Open-market sale | 46,748 | $0.83 | 35,952 |
| 2025-10-22 | Bazemore Todd | Open-market sale | 47,768 | $0.83 | 35,932 |
| 2025-10-22 | Reumuth Mary | Open-market sale | 32,230 | $0.83 | 29,873 |
| 2025-10-01 | BAKER JULIAN | Open-market sale | 462,967 | $1.38 | 425,006 |
| 2025-10-01 | BAKER JULIAN | Open-market sale | 50,640 | $1.38 | 46,480 |
| 2025-10-01 | BAKER FELIX | Open-market sale | 462,967 | $1.38 | 425,006 |
| 2025-10-01 | BAKER FELIX | Open-market sale | 50,640 | $1.38 | 46,480 |
| 2025-10-01 | Baker Bros. Advisors (GP) LLC | Open-market sale | 462,967 | $1.38 | 425,006 |
| 2025-10-01 | Baker Bros. Advisors (GP) LLC | Open-market sale | 50,640 | $1.38 | 46,480 |
| 2025-10-01 | BAKER BROS. ADVISORS LP | Open-market sale | 462,967 | $1.38 | 425,006 |
| 2025-10-01 | BAKER BROS. ADVISORS LP | Open-market sale | 50,640 | $1.38 | 46,480 |
| 2025-09-30 | BAKER JULIAN | Open-market sale | 195,425 | $1.60 | 887,973 |
| 2025-09-30 | BAKER JULIAN | Open-market sale | 21,376 | $1.60 | 97,120 |
| 2025-09-30 | BAKER FELIX | Open-market sale | 195,425 | $1.60 | 887,973 |
| 2025-09-30 | BAKER FELIX | Open-market sale | 21,376 | $1.60 | 97,120 |
| 2025-09-30 | Baker Bros. Advisors (GP) LLC | Open-market sale | 195,425 | $1.60 | 887,973 |
| 2025-09-30 | Baker Bros. Advisors (GP) LLC | Open-market sale | 21,376 | $1.60 | 97,120 |
| 2025-09-30 | BAKER BROS. ADVISORS LP | Open-market sale | 195,425 | $1.60 | 887,973 |
| 2025-09-30 | BAKER BROS. ADVISORS LP | Open-market sale | 21,376 | $1.60 | 97,120 |
| 2025-08-29 | Bazemore Todd | Grant / award (derivative) | 180,000 | $0.00 | 180,000 |
| 2025-06-24 | Iwicki Mark T | Open-market sale | 13,227 | $4.01 | 258,433 |
| 2025-06-24 | Brazzell Romulus K | Open-market sale | 5,251 | $4.01 | 82,698 |
| 2025-06-24 | Bazemore Todd | Open-market sale | 4,058 | $4.01 | 83,699 |
| 2025-06-24 | Reumuth Mary | Open-market sale | 3,631 | $4.01 | 62,100 |
| 2025-06-24 | Kharabi Darius | Open-market sale | 4,511 | $4.01 | 62,566 |
| 2025-06-15 | KOVEN ANDREW I | Grant / award (derivative) | 6,850 | $0.00 | 6,850 |
| 2025-06-15 | KOVEN ANDREW I | Grant / award | 3,050 | $0.00 | 16,972 |
| 2025-06-15 | Myers C. Daniel | Grant / award (derivative) | 5,450 | $0.00 | 5,450 |
| 2025-06-15 | Myers C. Daniel | Grant / award | 2,450 | $0.00 | 10,374 |
| 2025-06-15 | PERRY GREGORY D | Grant / award (derivative) | 5,450 | $0.00 | 5,450 |
| 2025-06-15 | PERRY GREGORY D | Grant / award | 2,450 | $0.00 | 13,344 |
| 2025-06-15 | Farid Marjan | Grant / award (derivative) | 5,450 | $0.00 | 5,450 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.