Key facts
- KALA - KALA BIO, Inc. has 25 insiders with reported activity on this page.
- Net insider value flow over the last year: -$1,260,237.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 25 Insiders of KALA BIO, Inc.
- Symbol
- KALA on Nasdaq
- Location
- Arlington, MA
Change
- Buy value: ; sell value: $1,260,236.
- Net share flow: -782,609.
Research use
- 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.
Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$1,260,237.
Buys
$0
Shares: 0
Insiders: 0
Sells
$1,260,237
Shares: 782,609
Insiders: 6
Net
-$1,260,237
Shares: -782,609
Insiders: -6
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 730,408 | $0 | $1,056,722 | -$1,056,722 |
| 9-12 | 0 | 52,201 | $0 | $203,515 | -$203,515 |
KALA BIO, Inc. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Rajeev M. Shah | Director | $73,564,492 | Mixed | 17 Jun 2021 | ||
| RA CAPITAL MANAGEMENT, L.P. | 10%+ Owner | $47,446,992 | Mixed | 26 May 2022 | ||
| Gregory Grunberg | Director | $36,745,536 | Mixed | 17 Jun 2021 | ||
| Hongming Chen | Chief Scientific Officer | $1,378,431 | Mixed | 26 Oct 2021 | ||
| OXFORD FINANCE LLC | 10%+ Owner | $1,215,000 | Mixed | 25 Nov 2025 | ||
| BAKER BROS. ADVISORS LP | Former 10% owner | $588,123 | -$1,056,722 | -64% | Filing P/S | 30 Sep 2025 |
| Eric Trachtenberg | Chief Legal Officer, Chief Compliance Officer and Secretary | $458,765 | Filing P/S | 04 Jan 2024 | ||
| Iwicki Mark T. | Director | $212,257 | -$93,679 | -31% | Mixed | 23 Oct 2025 |
| Mark S. Blumenkranz | Director | $87,495 | Mixed | 11 Jun 2024 | ||
| Darius Kharabi | Chief Business Officer | $85,608 | -$20,819 | -20% | Mixed | 22 Oct 2025 |
| Romulus K. Brazzell | Head of Research and Development and Chief Medical Officer | $73,701 | -$34,846 | -32% | Mixed | 22 Oct 2025 |
| Todd Bazemore | Director | $73,662 | -$28,951 | -28% | Mixed | 22 Oct 2025 |
| Andrew I. Koven | Director | $68,566 | Mixed | 15 Jun 2025 | ||
| Howard B. Rosen | Director | $66,667 | Mixed | 15 Jun 2025 | ||
| Mary Reumuth | Chief Financial Officer | $59,257 | -$25,219 | -30% | Mixed | 22 Oct 2025 |
| Gregory D. Perry | Director | $53,909 | Mixed | 15 Jun 2025 | ||
| C. Daniel Myers | Director | $41,910 | Mixed | 15 Jun 2025 | ||
| Marjan Farid | Director | $41,377 | Mixed | 15 Jun 2025 | ||
| David E. Lazar | Chief Executive Officer, Director | $0 | Mixed | 18 Dec 2025 | ||
| Chaim D. Berger | Director | Mixed | 30 Jan 2026 | |||
| Hillel D. Posen | Director | Mixed | 30 Jan 2026 | |||
| Yonatan C. Colman | Director | Mixed | 30 Jan 2026 | |||
| Brendan P. Purdy | Director | Mixed | 30 Jan 2026 | |||
| Avraham Minkowitz | Chief Executive Officer, Director | Mixed | 30 Jan 2026 | |||
| Robert Bradley Paull | Director | Mixed | 16 Jun 2022 |
Top shareholders of KALA BIO, 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 first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings 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 |
|---|---|---|---|---|---|---|---|---|
| OXFORD FINANCE LLC |
3/4/5
13D/G
|
10%+ Owner |
16%
from 13D/G
|
1,620,000
|
$1,215,000 | — | 25 Nov 2025 | |
| LIFESCI CAPITAL, LLC |
13D/G
|
— |
7.9%
|
2,200,000
|
$1,274,240 | $0 | 30 Dec 2025 | |
| David E. Lazar |
13D/G
3/4/5
|
Chief Executive Officer, Director |
5.2%
|
49,500,000
|
$27,522,000 | $0 | 30 Jan 2026 | |
| ADAR1 Capital Management, LLC |
13D/G
13F
|
Company |
4.9%
|
298,955
|
$1,270,559 | $0 | 31 Dec 2024 | |
| SR ONE CAPITAL MANAGEMENT, LLC |
13D/G
|
— |
4.6%
|
344,176
|
$5,255,568 | -$1,020,402 | 14 Oct 2025 | |
| BAKER BROS. ADVISORS LP |
3/4/5
13D/G
|
Former 10% owner |
0.01%
from 13D/G
|
425,006
|
$588,123 | -$1,056,722 | 30 Sep 2025 | |
| Point72 Asset Management, L.P. |
13D/G
|
— |
0%
|
257
|
$393 | -$717,340 | 30 Sep 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
1.4%
|
417,517
|
$72,272 | — | 31 Mar 2026 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.97%
|
281,650
|
$48,754 | — | 31 Mar 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.9%
|
261,061
|
$45,194 | — | 31 Mar 2026 | |
| Virtu Financial LLC |
13F
|
Company |
0.53%
|
152,197
|
$26,000 | — | 31 Mar 2026 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.29%
|
84,470
|
$15,000 | — | 31 Mar 2026 | |
| UBS Group AG |
13F
|
Company |
0.23%
|
66,871
|
$11,568 | — | 31 Mar 2026 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.21%
|
60,549
|
$10,475 | — | 31 Mar 2026 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.12%
|
36,000
|
$6,232 | — | 31 Mar 2026 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.1%
|
30,017
|
$5,133 | — | 31 Mar 2026 | |
| VANGUARD FIDUCIARY TRUST CO |
13F
|
Company |
0.1%
|
29,628
|
$5,126 | — | 31 Mar 2026 | |
| STATE STREET CORP |
13F
|
Company |
0.1%
|
28,576
|
$4,947 | — | 31 Mar 2026 | |
| Grant Private Wealth Management Inc |
13F
|
Company |
0.07%
|
20,000
|
$3,462 | — | 31 Mar 2026 | |
| Greenwich Wealth Management LLC |
13F
|
Company |
0.06%
|
18,393
|
$3,000 | — | 31 Mar 2026 | |
| LPL Financial LLC |
13F
|
Company |
0.06%
|
17,229
|
$2,982 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.05%
|
14,048
|
$2,432 | — | 31 Mar 2026 | |
| StoneX Group Inc. |
13F
|
Company |
0.04%
|
12,984
|
$2,248 | — | 31 Mar 2026 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.04%
|
11,524
|
$1,995 | — | 31 Mar 2026 | |
| BlackRock, Inc. |
13F
|
Company |
0.04%
|
10,809
|
$1,871 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
0.01%
|
2,941
|
$509 | — | 31 Mar 2026 | |
| Vanguard Global Advisers, LLC |
13F
|
Company |
0%
|
832
|
$144 | — | 31 Mar 2026 | |
| MAI Capital Management |
13F
|
Company |
0%
|
300
|
$52 | — | 31 Mar 2026 | |
| Steward Partners Investment Advisory, LLC |
13F
|
Company |
0%
|
120
|
$21 | — | 31 Mar 2026 | |
| INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0%
|
110
|
$18 | — | 31 Mar 2026 | |
| Legacy Wealth Managment, LLC/ID |
13F
|
Company |
0%
|
25
|
$5 | — | 31 Mar 2026 | |
| SBI Securities Co., Ltd. |
13F
|
Company |
0%
|
8
|
$1 | — | 31 Mar 2026 | |
| RA CAPITAL MANAGEMENT, L.P. |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
7,039,613
|
$47,446,992 | — | 26 May 2022 | |
| Rajeev M. Shah |
3/4/5
|
Director |
—
class O/S missing
|
10,914,613
|
$73,564,492 | — | 17 Jun 2021 | |
| Gregory Grunberg |
3/4/5
|
Director |
—
class O/S missing
|
5,451,860
|
$36,745,536 | — | 17 Jun 2021 | |
| Hongming Chen |
3/4/5
|
CHIEF SCIENTIFIC OFFICER |
—
class O/S missing
|
204,515
|
$1,378,431 | — | 26 Oct 2021 | |
| Eric Trachtenberg |
3/4/5
|
Chief Legal Officer, Chief Compliance Officer and Secretary |
—
mixed-class rows
|
88,566
mixed-class rows
|
$458,765 | — | 04 Jan 2024 | |
| Iwicki Mark T. |
3/4/5
|
Director |
—
mixed-class rows
|
108,990
mixed-class rows
|
$212,257 | -$93,679 | 23 Oct 2025 | |
| Mark S. Blumenkranz |
3/4/5
|
Director |
—
mixed-class rows
|
17,517
mixed-class rows
|
$87,495 | — | 11 Jun 2024 | |
| Darius Kharabi |
3/4/5
|
CHIEF BUSINESS OFFICER |
—
mixed-class rows
|
86,960
mixed-class rows
|
$85,608 | -$20,819 | 22 Oct 2025 | |
| Romulus K. Brazzell |
3/4/5
|
Head of Research and Development and Chief Medical Officer |
—
mixed-class rows
|
81,152
mixed-class rows
|
$73,701 | -$34,846 | 22 Oct 2025 | |
| Todd Bazemore |
3/4/5
|
Director |
—
mixed-class rows
|
215,933
mixed-class rows
|
$73,662 | -$28,951 | 22 Oct 2025 | |
| Andrew I. Koven |
3/4/5
|
Director |
—
mixed-class rows
|
23,822
mixed-class rows
|
$68,566 | — | 15 Jun 2025 | |
| Howard B. Rosen |
3/4/5
|
Director |
—
mixed-class rows
|
21,952
mixed-class rows
|
$66,667 | — | 15 Jun 2025 | |
| Mary Reumuth |
3/4/5
|
CHIEF FINANCIAL OFFICER |
—
mixed-class rows
|
74,106
mixed-class rows
|
$59,257 | -$25,219 | 22 Oct 2025 | |
| Gregory D. Perry |
3/4/5
|
Director |
—
mixed-class rows
|
18,794
mixed-class rows
|
$53,909 | — | 15 Jun 2025 | |
| C. Daniel Myers |
3/4/5
|
Director |
—
mixed-class rows
|
15,824
mixed-class rows
|
$41,910 | — | 15 Jun 2025 | |
| Marjan Farid |
3/4/5
|
Director |
—
mixed-class rows
|
15,692
mixed-class rows
|
$41,377 | — | 15 Jun 2025 | |
| Cheviot Value Management, LLC |
13F
|
Company |
—
class O/S missing
|
153
|
$26 | — | 31 Mar 2026 | |
| HARBOUR INVESTMENTS, INC. |
13F
|
Company |
—
class O/S missing
|
150
|
$26 | — | 31 Mar 2026 |
Recent Insider Transactions by Companies or Individuals for KALA BIO, 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| David E. Lazar | KALA | Convertible Loan | Other | -100% | -368,614 | 0 | 18 Dec 2025 | Direct | ||
| David E. Lazar | KALA | Series AA Convertible Preferred Stock | Award | 900,000 | 900,000 | 24 Nov 2025 | Direct | |||
| Iwicki Mark T. | KALA | Common Stock | Sale | -59.9% | -154,894 | 103,540 | 23 Oct 2025 | Direct | ||
| Mary Reumuth | KALA | Common Stock | Sale | -3.24% | -967 | 28,906 | 23 Oct 2025 | Direct | ||
| Mary Reumuth | KALA | Common Stock | Sale | -51.9% | -32,230 | 29,873 | 22 Oct 2025 | Direct | ||
| Todd Bazemore | KALA | Common Stock | Sale | -57.1% | -47,768 | 35,932 | 22 Oct 2025 | Direct | ||
| Romulus K. Brazzell | KALA | Common Stock | Sale | -56.5% | -46,748 | 35,952 | 22 Oct 2025 | Direct | ||
| Darius Kharabi | KALA | Common Stock | Sale | -33.2% | -20,806 | 41,760 | 22 Oct 2025 | Direct | ||
| Baker Bros. Advisors Lp | KALA | Common Stock | Sale | -91.7% | $710,729 | $1.38 | -513,607 | 46,480 | 01 Oct 2025 | See Footnotes |
| Baker Bros. Advisors Lp | KALA | Common Stock | Sale | -69.1% | $345,993 | $1.60 | -216,801 | 97,120 | 30 Sep 2025 | See Footnotes |
| Todd Bazemore | KALA | Stock Option (right to buy) | Award | 180,000 | 180,000 | 29 Aug 2025 | Direct | |||
| Darius Kharabi | KALA | Common Stock | Sale | -6.73% | $18,089 | $4.01 | -4,511 | 62,566 | 24 Jun 2025 | Direct |
| Mary Reumuth | KALA | Common Stock | Sale | -5.52% | $14,560 | $4.01 | -3,631 | 62,100 | 24 Jun 2025 | Direct |
| Todd Bazemore | KALA | Common Stock | Sale | -4.62% | $16,273 | $4.01 | -4,058 | 83,699 | 24 Jun 2025 | Direct |
| Romulus K. Brazzell | KALA | Common Stock | Sale | -5.97% | $21,057 | $4.01 | -5,251 | 82,698 | 24 Jun 2025 | Direct |
| Iwicki Mark T. | KALA | Common Stock | Sale | -4.87% | $53,040 | $4.01 | -13,227 | 258,433 | 24 Jun 2025 | Direct |
| Howard B. Rosen | KALA | Common Stock | Award | 17.8% | 2,450 | 16,240 | 15 Jun 2025 | Direct | ||
| Howard B. Rosen | KALA | Stock Option (right to buy) | Award | 5,450 | 5,450 | 15 Jun 2025 | Direct | |||
| Iwicki Mark T. | KALA | Common Stock | Award | 0.91% | 2,450 | 271,660 | 15 Jun 2025 | Direct | ||
| Iwicki Mark T. | KALA | Stock Option (right to buy) | Award | 5,450 | 5,450 | 15 Jun 2025 | Direct | |||
| Marjan Farid | KALA | Common Stock | Award | 31.4% | 2,450 | 10,242 | 15 Jun 2025 | Direct | ||
| Marjan Farid | KALA | Stock Option (right to buy) | Award | 5,450 | 5,450 | 15 Jun 2025 | Direct | |||
| Gregory D. Perry | KALA | Common Stock | Award | 22.5% | 2,450 | 13,344 | 15 Jun 2025 | Direct | ||
| Gregory D. Perry | KALA | Stock Option (right to buy) | Award | 5,450 | 5,450 | 15 Jun 2025 | Direct | |||
| C. Daniel Myers | KALA | Common Stock | Award | 30.9% | 2,450 | 10,374 | 15 Jun 2025 | Direct | ||
| C. Daniel Myers | KALA | Stock Option (right to buy) | Award | 5,450 | 5,450 | 15 Jun 2025 | Direct | |||
| Andrew I. Koven | KALA | Common Stock | Award | 21.9% | 3,050 | 16,972 | 15 Jun 2025 | Direct | ||
| Andrew I. Koven | KALA | Stock Option (right to buy) | Award | 6,850 | 6,850 | 15 Jun 2025 | Direct | |||
| Iwicki Mark T. | KALA | Common Stock | Sale | -3.88% | $40,639 | $3.74 | -10,866 | 269,210 | 03 Jun 2025 | Direct |
| Darius Kharabi | KALA | Common Stock | Sale | -1.08% | $2,730 | $3.74 | -730 | 67,077 | 03 Jun 2025 | Direct |
| Mary Reumuth | KALA | Common Stock | Sale | -4.16% | $10,659 | $3.74 | -2,850 | 65,731 | 03 Jun 2025 | Direct |
| Todd Bazemore | KALA | Common Stock | Sale | -3.72% | $12,679 | $3.74 | -3,390 | 87,757 | 03 Jun 2025 | Direct |
| Romulus K. Brazzell | KALA | Common Stock | Sale | -4.02% | $13,789 | $3.74 | -3,687 | 87,949 | 03 Jun 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.