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Company profile

Impact Biomedical Inc. Insider Trading

IBO

Every SEC Form 4 insider trading filing for Impact Biomedical Inc. (IBO) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
NYSE
Sector
Pharmaceutical Preparations
CIK
0001834105
Filings
16
Insiders
7
Last filing
2026-03-27
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

No insider transactions in the last 30 days. The most recent was on March 27, 2026, when Todd D Macko sold 43,400 shares. 16 filings from 7 insiders are on record below.

Quarterly balance

Buy and sell value by quarter, Q3 24 to Q1 26. Impact Biomedical Inc. insiders are net sellers across the period shown.

PurchasesSales
Q3 24Q4 24Q1 25$4.9MQ2 25Q3 25Q4 25Q1 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $4.9M.

No insider activity recorded for IBO in the last 90 days.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValueReturn
Mar 27, 2026Todd D MackoIBO
Sale
43,400$0.56$24K-21.4% 3m
Mar 25, 2026Todd D MackoIBO
Sale
1,600$0.60$961-21.4% 3m
Mar 23, 2026Jason GradyIBO
Sale
50,000$0.65$33K-18.4% 3m
May 27, 2025DSS, INC.IBO
Sale
45,400$0.54$25K-15.0% 6m
May 27, 2025DSS, INC.IBO
Sale
45,400$0.54$25K-19.5% 6m

34 more transactions hidden

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Top insiders

By total value filed.

Heng Fai Ambrose ChanChief Executive Officer12 filings−$4.2M
DSS, INC.10% owner20 filings−$3.1M
Jason GradyDirector1 filing−$33K
Todd D MackoChief Financial Officer2 filings−$25K
Frank D HeuszelChief Executive Officer4 filings+$5K

Institutional Ownership

Top 13F-HR holders of Impact Biomedical Inc. as of 2026-06-30

— stable
Total reported AUM
$404,646
QoQ change
—
Reporting period
2026-06-30
#1
State Street Corp
CIK 0000093751
$279,633
608K shares
#2
BlackRock, Inc.
CIK 0002012383
$119,572
260K shares
#3
Mason & Associates Inc
CIK 0001917686
$4,600
10K shares

Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →

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Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

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