KALA Insider Trading

Insider Ownership Percentage: 8.32%
Insider Buying (Last 12 Months): $1,999,999.96
Insider Selling (Last 12 Months): $1,539,791.24

KALA BIO Insider Trading History Chart

This chart shows the insider buying and selling history at KALA BIO by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

KALA BIO Share Price & Price History

Current Price: $0.96
Price Change: Price Increase of +0.039 (4.22%)
As of 12/4/2025 05:00 PM ET

This chart shows the closing price history over time for KALA up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

KALA BIO Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
10/23/2025Mark T IwickiDirectorSell154,894$0.81$125,464.14103,540View SEC Filing Icon  
10/23/2025Mary ReumuthCFOSell967$0.82$792.9428,906View SEC Filing Icon  
10/22/2025Darius KharabiInsiderSell20,806$0.83$17,268.9841,760View SEC Filing Icon  
10/22/2025Mary ReumuthCFOSell32,230$0.83$26,750.9029,873View SEC Filing Icon  
10/22/2025Romulus K. BrazzellInsiderSell46,748$0.83$38,800.8435,952View SEC Filing Icon  
10/22/2025Todd BazemoreDirectorSell47,768$0.83$39,647.4435,932View SEC Filing Icon  
10/1/2025Bros. Advisors Lp BakerMajor ShareholderSell513,607$1.38$708,777.6646,480View SEC Filing Icon  
9/30/2025Bros. Advisors Lp BakerMajor ShareholderSell216,801$1.60$346,881.6097,120View SEC Filing Icon  
6/24/2025Darius KharabiInsiderSell4,511$4.01$18,089.1162,566View SEC Filing Icon  
6/24/2025Mark T IwickiDirectorSell13,227$4.01$53,040.27258,433View SEC Filing Icon  
6/24/2025Mary ReumuthCFOSell3,631$4.01$14,560.3162,100View SEC Filing Icon  
6/24/2025Romulus K. BrazzellInsiderSell5,251$4.01$21,056.5182,698View SEC Filing Icon  
6/24/2025Todd BazemoreInsiderSell4,058$4.01$16,272.5883,699View SEC Filing Icon  
6/3/2025Darius KharabiInsiderSell730$3.74$2,730.2067,077View SEC Filing Icon  
6/3/2025Mary ReumuthCFOSell2,850$3.74$10,659.0065,731View SEC Filing Icon  
6/3/2025Romulus K. BrazzellInsiderSell3,687$3.74$13,789.3887,949View SEC Filing Icon  
6/3/2025Todd BazemoreInsiderSell3,390$3.74$12,678.6087,757View SEC Filing Icon  
1/6/2025Darius KharabiInsiderSell2,021$7.63$15,420.2367,807View SEC Filing Icon  
1/6/2025Mark T IwickiCEOSell5,779$7.63$44,093.77280,076View SEC Filing Icon  
1/6/2025Mary ReumuthCFOSell1,706$7.63$13,016.7868,581View SEC Filing Icon  
12/30/2024Bros. Advisors Lp BakerMajor ShareholderBuy310,559$6.44$1,999,999.961,083,398View SEC Filing Icon  
6/26/2024Mark T IwickiCEOSell15,168$4.75$72,048.00263,755View SEC Filing Icon  
6/26/2024Mary ReumuthCFOSell4,163$4.75$19,774.2560,187View SEC Filing Icon  
6/26/2024Todd BazemoreInsiderSell4,653$4.75$22,101.7583,040View SEC Filing Icon  
5/31/2024Mark T IwickiCEOSell7,392$6.09$45,017.28278,923View SEC Filing Icon  
5/31/2024Mary ReumuthCFOSell1,786$6.09$10,876.7464,350View SEC Filing Icon  
5/31/2024Todd BazemoreInsiderSell2,093$6.09$12,746.3787,693View SEC Filing Icon  
1/4/2024Eric TrachtenbergInsiderSell1,227$6.74$8,269.9868,066View SEC Filing Icon  
1/4/2024Mark T IwickiCEOSell4,539$6.73$30,547.47286,315View SEC Filing Icon  
1/4/2023Eric TrachtenbergInsiderSell60$28.55$1,713.0011,495View SEC Filing Icon  
1/4/2023Mark T IwickiCEOSell198$28.54$5,650.9245,966View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for KALA BIO (NASDAQ:KALA)

24.61% of KALA BIO stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at KALA by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

KALA BIO Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/17/2025Woodline Partners LP247,466$0.38M0.0%-17.6%3.525%Search for SEC Filing on Google Icon
11/17/2025Baker BROS. Advisors LP985,093$1.51M0.0%-18.0%14.031%Search for SEC Filing on Google Icon
8/15/2025Perceptive Advisors LLC55,227$0.26M0.0%-80.1%0.787%Search for SEC Filing on Google Icon
8/14/2025OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC 138,556$0.66M0.0%-18.9%1.974%Search for SEC Filing on Google Icon
8/12/2025XTX Topco Ltd12,990$62K0.0%N/A0.201%Search for SEC Filing on Google Icon
8/8/2025Geode Capital Management LLC56,367$0.27M0.0%+2.8%0.874%Search for SEC Filing on Google Icon
7/29/2025AIGH Capital Management LLC300,000$1.43M0.6%+52.8%4.651%Search for SEC Filing on Google Icon
5/16/2025Woodline Partners LP258,766$1.48M0.0%N/A4.011%Search for SEC Filing on Google Icon
5/16/2025ADAR1 Capital Management LLC298,955$1.71M0.3%+35.7%4.634%Search for SEC Filing on Google Icon
5/6/2025Readystate Asset Management LP42,459$0.24M0.0%N/A0.658%Search for SEC Filing on Google Icon
5/6/2025AIGH Capital Management LLC196,350$1.13M0.5%+61.9%3.043%Search for SEC Filing on Google Icon
2/17/2025Two Sigma Investments LP11,877$82K0.0%-15.2%0.195%Search for SEC Filing on Google Icon
2/17/2025OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC178,934$1.24M0.1%+10.0%2.938%Search for SEC Filing on Google Icon
2/17/2025Millennium Management LLC136,056$0.94M0.0%-3.3%2.234%Search for SEC Filing on Google Icon
2/17/2025Baker BROS. Advisors LP1,201,894$8.34M0.1%+34.8%19.736%Search for SEC Filing on Google Icon
2/14/2025Silverarc Capital Management LLC231,070$1.60M0.4%N/A3.794%Search for SEC Filing on Google Icon
2/13/2025SR One Capital Management LP598,940$4.16M1.0%+35.0%9.835%Search for SEC Filing on Google Icon
2/13/2025ADAR1 Capital Management LLC220,373$1.53M0.3%-28.0%3.619%Search for SEC Filing on Google Icon
2/12/2025Geode Capital Management LLC47,642$0.33M0.0%+28.4%0.782%Search for SEC Filing on Google Icon
2/12/2025AIGH Capital Management LLC121,302$0.84M0.3%N/A1.992%Search for SEC Filing on Google Icon
8/13/2024SR One Capital Management LP443,661$3.15M1.0%N/A15.755%Search for SEC Filing on Google Icon
2/13/2024Tower Research Capital LLC TRC4,357$30K0.0%N/A0.162%Search for SEC Filing on Google Icon
1/31/2024Knights of Columbus Asset Advisors LLC4,834$34K0.0%+100.0%0.180%Search for SEC Filing on Google Icon
8/14/2023Board of Trustees of The Leland Stanford Junior University21,127$0.31M0.0%+85.7%0.832%Search for SEC Filing on Google Icon
2/13/2023Clear Street LLC49,390$1.88M0.0%N/A2.888%Search for SEC Filing on Google Icon
2/13/2023Board of Trustees of The Leland Stanford Junior University11,379$0.43M0.0%-98.0%0.665%Search for SEC Filing on Google Icon
2/10/2023Banque Cantonale Vaudoise1,508$58K0.0%-98.0%0.088%Search for SEC Filing on Google Icon
1/31/2023Knights of Columbus Asset Advisors LLC2,417$92K0.0%N/A0.141%Search for SEC Filing on Google Icon
11/15/2022Board of Trustees of The Leland Stanford Junior University568,940$0.13M0.0%-17.4%37.430%Search for SEC Filing on Google Icon
11/3/2022Vahanian & Associates Financial Planning Inc.207,440$46K0.2%+14.4%14.208%Search for SEC Filing on Google Icon
8/8/2022Integrated Wealth Concepts LLC152,121$46K0.0%+49.2%0.210%Search for SEC Filing on Google Icon
7/27/2022Vahanian & Associates Financial Planning Inc.181,384$54K0.2%-68.8%0.250%Search for SEC Filing on Google Icon
5/11/2022GSA Capital Partners LLP27,185$38K0.0%N/A0.037%Search for SEC Filing on Google Icon
5/10/2022MAI Capital Management72,500$100K0.0%N/A0.100%Search for SEC Filing on Google Icon
5/9/2022Csenge Advisory Group20,924$29K0.0%N/A0.029%Search for SEC Filing on Google Icon
5/9/2022Banque Cantonale Vaudoise75,420$0.10M0.0%+30.8%0.104%Search for SEC Filing on Google Icon
4/27/2022Vahanian & Associates Financial Planning Inc.580,578$0.80M1.9%-44.5%0.800%Search for SEC Filing on Google Icon
4/19/2022Graypoint LLC487,106$0.67M0.1%N/A0.671%Search for SEC Filing on Google Icon
2/10/2022Pictet Asset Management SA641,009$0.78M0.0%+63.5%0.979%Search for SEC Filing on Google Icon
2/10/2022Rafferty Asset Management LLC39,071$47K0.0%+58.9%0.060%Search for SEC Filing on Google Icon
2/9/2022BNP Paribas Arbitrage SA445,901$0.54M0.0%+4,079.0%0.681%Search for SEC Filing on Google Icon
2/8/2022Northern Trust Corp448,896$0.54M0.0%-11.7%0.685%Search for SEC Filing on Google Icon
2/4/2022Matisse Capital41,400$50K0.0%-26.2%0.063%Search for SEC Filing on Google Icon
2/2/2022Oppenheimer & Co. Inc.28,100$34K0.0%-31.5%0.043%Search for SEC Filing on Google Icon
1/28/2022Vahanian & Associates Financial Planning Inc.1,046,484$1.27M1.0%N/A1.598%Search for SEC Filing on Google Icon
12/10/2021Towercrest Capital Management122,500$0.32M0.1%N/A0.187%Search for SEC Filing on Google Icon
11/16/2021Caxton Corp1,727,751$4.53M3.7%+1.3%2.659%Search for SEC Filing on Google Icon
11/15/2021GSA Capital Partners LLP25,375$66K0.0%N/A0.039%Search for SEC Filing on Google Icon
11/12/2021Renaissance Technologies LLC166,100$0.44M0.0%N/A0.256%Search for SEC Filing on Google Icon
11/12/2021Jump Financial LLC43,500$0.11M0.0%N/A0.067%Search for SEC Filing on Google Icon
11/12/2021Macquarie Group Ltd.19,498$51K0.0%N/A0.030%Search for SEC Filing on Google Icon
11/12/2021Oppenheimer & Co. Inc.41,000$0.11M0.0%+33.6%0.063%Search for SEC Filing on Google Icon
11/12/2021Geode Capital Management LLC933,242$2.45M0.0%+23.9%1.436%Search for SEC Filing on Google Icon
11/10/2021Goldman Sachs Group Inc.154,957$0.41M0.0%-3.6%0.239%Search for SEC Filing on Google Icon
11/10/2021Rafferty Asset Management LLC24,592$64K0.0%N/A0.038%Search for SEC Filing on Google Icon
11/9/2021Barclays PLC34,053$88K0.0%+43.3%0.052%Search for SEC Filing on Google Icon
11/9/2021BlackRock Inc.3,664,849$9.60M0.0%-1.5%5.641%Search for SEC Filing on Google Icon
11/8/2021State Board of Administration of Florida Retirement System83,483$0.22M0.0%+354.6%0.128%Search for SEC Filing on Google Icon
11/4/2021Deutsche Bank AG29,727$78K0.0%-91.0%0.046%Search for SEC Filing on Google Icon
11/1/2021SG Americas Securities LLC25,373$66K0.0%N/A0.039%Search for SEC Filing on Google Icon
10/27/2021Newbridge Financial Services Group Inc.14,216$37K0.0%N/A0.022%Search for SEC Filing on Google Icon
10/21/2021Virginia Retirement Systems ET AL25,000$66K0.0%N/A0.038%Search for SEC Filing on Google Icon
10/20/2021Csenge Advisory Group19,250$53K0.0%N/A0.030%Search for SEC Filing on Google Icon
9/3/2021Parametric Portfolio Associates LLC175,118$0.93M0.0%+22.5%0.270%Search for SEC Filing on Google Icon
Data available starting January 2016

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KALA BIO logo
KALA BIO, Inc., a clinical-stage biopharmaceutical company, engages in the research, development, and commercialization of innovative therapies for rare and severe eye diseases in the United States. The company's product candidates include KPI-012, which is in Phase 2b clinical trial for the treatment of persistent corneal epithelial defects. Its preclinical development product, including KPI-014 for the treatment of rare inherited retinal diseases. The company was formerly known as Kala Pharmaceuticals, Inc. and changed its name to KALA BIO, Inc. in August 2023. KALA BIO, Inc. was incorporated in 2009 and is headquartered in Arlington, Massachusetts.
Read More on KALA BIO

Today's Range

Now: $0.96
Low: $0.95
High: $1.72

50 Day Range

MA: $1.38
Low: $0.62
High: $19.05

52 Week Range

Now: $0.96
Low: $0.61
High: $20.60

Volume

179,252,385 shs

Average Volume

11,226,258 shs

Market Capitalization

$6.77 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

N/A

Who are the company insiders with the largest holdings of KALA BIO?

KALA BIO's top insider investors include:
  1. Bros Advisors Lp Baker (Major Shareholder)
  2. Mark T Iwicki (CEO)
  3. Mark T Iwicki (Director)
  4. Romulus K Brazzell (Insider)
  5. Todd Bazemore (Insider)
  6. Mary Reumuth (CFO)
  7. Eric Trachtenberg (Insider)
  8. Darius Kharabi (Insider)
  9. Todd Bazemore (Director)
Learn More about top insider investors at KALA BIO.

Who are the major institutional investors of KALA BIO?

KALA BIO's top institutional shareholders include:
  1. Baker BROS. Advisors LP — 14.03%
  2. Woodline Partners LP — 3.52%
Learn More about top institutional investors of KALA BIO stock.

Which institutional investors are selling KALA BIO stock?

Within the previous quarter, KALA stock was sold by these institutional investors:
  1. Baker BROS. Advisors LP
  2. Woodline Partners LP
In the previous year, company insiders that have sold KALA BIO company stock include:
  1. Bros Advisors Lp Baker (Major Shareholder)
  2. Mark T Iwicki (CEO)
  3. Mark T Iwicki (Director)
  4. Romulus K Brazzell (Insider)
  5. Todd Bazemore (Insider)
  6. Mary Reumuth (CFO)
  7. Eric Trachtenberg (Insider)
  8. Darius Kharabi (Insider)
Learn More investors selling KALA BIO stock.