LGMK LogicMark (LGMK) Insider Trading, Ownership & Congress Trades
Medical Devices · Orthopedic, prosthetic & surgical appliances & supplies · CIK 0001566826
Activist 13D
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
0
13F, latest reported quarter
What the filings say about LGMK
Activist stakes (13D), 180 days
2 filings
Largest: 8.3% of the class
LogicMark insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
No insider purchases or sales are on record for LogicMark, Inc. in the period covered. Source: SEC Form 4 filings, as of 2026-10-28.
Insider
Filed
Shares
Value
Since filing
Context
- 4 earlier Form 4 trades (code P or S) here by this insider (4 buys), the last on Oct 15, 2024.
- -38.1% median (-37.9% mean) 90-day return after 3 previous buys.
- The trade is 25.1% of the 4,074,587 shares held after it.
- No other insider bought within 30 days.
Insider activity: Insider Matthews Jourdan bought about $92.2K of LGMK on Oct 16, 2024.Context
- 2 earlier Form 4 trades (code P or S) here by this insider (2 buys), the last on Oct 10, 2024.
- -37.7% median (-37.7% mean) 90-day return after 2 previous buys.
- The trade is 7.6% of the 3,050,187 shares held after it.
- No other insider bought within 30 days.
Insider activity: Insider Matthews Jourdan bought about $21.0K of LGMK on Oct 15, 2024.Context
- 2 earlier Form 4 trades (code P or S) here by this insider (2 buys), the last on Oct 10, 2024.
- -37.7% median (-37.7% mean) 90-day return after 2 previous buys.
- The trade is 69.0% of the 3,050,187 shares held after it.
- No other insider bought within 30 days.
Insider activity: Insider Matthews Jourdan bought about $168.3K of LGMK on Oct 15, 2024, the largest insider purchase at the company on our record.Context
- 1 earlier Form 4 trade (code P or S) here by this insider (1 buy), the last on Oct 9, 2024.
- The trade is 0.0% of the 946,080 shares held after it.
- No other insider bought within 30 days.
Insider activity: Insider Matthews Jourdan bought about $34 of LGMK on Oct 10, 2024.Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 35.5% of the 945,700 shares held after it.
- No other insider bought within 30 days.
Insider activity: Insider Matthews Jourdan bought about $33.6K of LGMK on Oct 9, 2024, the largest insider purchase at the company on our record.6 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Seven facts, ranked against the sector ·
Rank is not a forecast
Insiders
no insider buys or sells on file
Congress
no House purchase disclosed in the last 12 months
Funds
under five funds report holding it
Revenue
+15.4% year over year
more than 61% of Medical Devices
Margin
-65.4% net margin
below 71% of Medical Devices
Buybacks
no share repurchases reported
Short interest
no short interest reported
The situation: each line is one rule over one dataset
Patel Kirtan Sanjaykumar disclosed a 5%+ stake (5.6%) in the last six months.
What changed in the last 30 days
Oct 2Patel Kirtan Sanjaykumar filed a 13D for 5.6%
Watch LGMK
A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.
The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-42.2%12M
13D/G stake
Indexed to 100, dividend-adjusted, not a price chart.
When a name files heavily, the largest trades are drawn first.
Who owns LGMK: institutional holders (13F)
13F holdings, latest reported quarter
SEC 13F
No reported 13F holders
No fund above the reporting threshold listed this stock last quarter. That is a fact, not missing data.
Congress trades in LGMK
No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.
Activist and 5% holders (13D/13G)
13D: intends to influence · 13G: passive
Patel Kirtan Sanjaykumar
Activist 13D · 2026-10-02
5.6%
Chia-Lin Simmons
Activist 13D · 2026-08-03
8.3%
LGMK planned insider sales (Form 144)
No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
An activist crossed the 5% line with declared intent.
Each figure here is a federal filing, dated the day it went public, so you can test what was knowable then.
LGMK financials
Revenue growth
+15.4%
XBRL, annual
Net margin
-65.4%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$12.5M
four quarters, 2025-07-01 to 2026-06-30
Revenue, TTM LGMK
| FY Dec 2025 | $11.4M |
| FY Dec 2024 | $9.9M |
| FY Dec 2023 | $9.9M |
| FY Dec 2022 | $11.9M |
| FY Dec 2021 | $10.0M |
| Jun 2026 | $3.3M |
| Mar 2026 | $3.2M |
| Dec 2025 | $3.1M |
| Sep 2025 | $2.9M |
| Jun 2025 | $2.9M |
| Mar 2025 | $2.6M |
| Dec 2024 | $2.2M |
| Sep 2024 | $2.7M |
At each fiscal year end
Single quarter
Net margin, TTM
-49.6%
net income over revenue, 2025-07-01 to 2026-06-30
Net margin, TTM LGMK
| FY Dec 2025 | -65.4% |
| FY Dec 2024 | -90.9% |
| FY Dec 2023 | -146.5% |
| FY Dec 2022 | -58.1% |
| FY Dec 2021 | -116.8% |
| Jun 2026 | -46.3% |
| Mar 2026 | -45.2% |
| Dec 2025 | -52.1% |
| Sep 2025 | -55.8% |
| Jun 2025 | -71.9% |
| Mar 2025 | -84.5% |
| Dec 2024 | -164.6% |
| Sep 2024 | -56.1% |
At each fiscal year end
Single quarter
Free cash flow, TTM
-$4.1M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Free cash flow, TTM LGMK
| FY Dec 2025 | n/a |
| FY Dec 2024 | -$4.3M |
| FY Dec 2023 | n/a |
| FY Dec 2022 | -$3.9M |
| FY Dec 2021 | n/a |
| Jun 2026 | $48.2K |
| Mar 2026 | -$1.7M |
| Dec 2025 | -$1.7M |
| Sep 2025 | -$776.1K |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | -$995.6K |
| Sep 2024 | -$649.5K |
At each fiscal year end
Single quarter
Debt to equity
0.05x
long-term 2025-06-30 (12 months older than the period end) plus current 2020-12-31 (66 months older than the period end); equity 2026-06-30
Debt to equity LGMK
| FY Dec 2025 | 0.04x |
| FY Dec 2024 | 0.04x |
| FY Dec 2023 | 0.03x |
| FY Dec 2022 | 0.03x |
| FY Dec 2021 | 0.02x |
| Jun 2026 | 0.05x |
| Mar 2026 | 0.04x |
| Dec 2025 | 0.04x |
| Sep 2025 | 0.04x |
| Jun 2025 | 0.03x |
| Mar 2025 | 0.02x |
| Dec 2024 | 0.04x |
| Sep 2024 | 0.03x |
At each fiscal year end
Trailing four quarters at each quarter end
Cash flow to debt
-6.05x
TTM operating cash flow over long-term 2025-06-30 (12 months older than the period end) plus current 2020-12-31 (66 months older than the period end)
Cash flow to debt LGMK
| FY Dec 2025 | -7.72x |
| FY Dec 2024 | -11.22x |
| FY Dec 2023 | -10.36x |
| FY Dec 2022 | -6.73x |
| FY Dec 2021 | -11.03x |
| Jun 2026 | -6.05x |
| Mar 2026 | -7.72x |
| Dec 2025 | -7.72x |
| Sep 2025 | -6.74x |
| Jun 2025 | -6.56x |
| Mar 2025 | -12.69x |
| Dec 2024 | -11.22x |
| Sep 2024 | -10.51x |
At each fiscal year end
Trailing four quarters at each quarter end
Return on equity
-38.2%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on equity LGMK
| FY Dec 2025 | -56.0% |
| FY Dec 2024 | -76.7% |
| FY Dec 2023 | -85.4% |
| FY Dec 2022 | -29.1% |
| FY Dec 2021 | -65.5% |
| Jun 2026 | -38.2% |
| Mar 2026 | -37.3% |
| Dec 2025 | -56.0% |
| Sep 2025 | -63.4% |
| Jun 2025 | -64.5% |
| Mar 2025 | -57.5% |
| Dec 2024 | -76.7% |
| Sep 2024 | -85.7% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on assets
-30.8%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets LGMK
| FY Dec 2025 | -43.3% |
| FY Dec 2024 | -57.6% |
| FY Dec 2023 | -68.2% |
| FY Dec 2022 | -24.8% |
| FY Dec 2021 | -41.0% |
| Jun 2026 | -30.8% |
| Mar 2026 | -30.8% |
| Dec 2025 | -43.3% |
| Sep 2025 | -49.8% |
| Jun 2025 | -51.4% |
| Mar 2025 | -46.1% |
| Dec 2024 | -57.6% |
| Sep 2024 | -69.5% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on invested capital
n/a
pre-tax loss, no effective tax rate to apply
Return on invested capital LGMK
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Return on capital employed
-35.4%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
Return on capital employed LGMK
| FY Dec 2025 | -51.7% |
| FY Dec 2024 | -56.5% |
| FY Dec 2023 | -80.3% |
| FY Dec 2022 | -26.6% |
| FY Dec 2021 | -30.6% |
| Jun 2026 | -35.4% |
| Mar 2026 | -35.3% |
| Dec 2025 | -51.7% |
| Sep 2025 | -49.4% |
| Jun 2025 | -49.8% |
| Mar 2025 | -45.0% |
| Dec 2024 | -56.5% |
| Sep 2024 | -79.5% |
At each fiscal year end
Trailing four quarters at each quarter end
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
P/E, trailing LGMK
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Enterprise value
-$1.7M
market value at close 2026-10-15 on 2026-08-19 shares, plus long-term 2025-06-30 (12 months older than the period end) plus current 2020-12-31 (66 months older than the period end), minus cash 2026-06-30
Enterprise value LGMK
| FY Dec 2025 | -$2.3M |
| FY Dec 2024 | $52.0B |
| FY Dec 2023 | $28.2B |
| FY Dec 2022 | $1.6T |
| FY Dec 2021 | n/a |
| Jun 2026 | -$2.3M |
| Mar 2026 | -$968.8K |
| Dec 2025 | -$2.3M |
| Sep 2025 | $1.3B |
| Jun 2025 | $1.7B |
| Mar 2025 | $900.2M |
| Dec 2024 | $52.0B |
| Sep 2024 | $17.6B |
At each fiscal year end
Trailing four quarters at each quarter end
FCF yield
-349.8%
TTM free cash flow over market value at close 2026-10-15
FCF yield LGMK
| FY Dec 2025 | n/a |
| FY Dec 2024 | -0.0% |
| FY Dec 2023 | n/a |
| FY Dec 2022 | -0.0% |
| FY Dec 2021 | n/a |
| Jun 2026 | -797.7% |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | -0.2% |
| Mar 2025 | -0.5% |
| Dec 2024 | -0.0% |
| Sep 2024 | -0.0% |
At each fiscal year end
Trailing four quarters at each quarter end
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
PEG, trailing LGMK
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Price as of 2026-10-15. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
| 2025-12 | 2024-12 | 2023-12 | 2022-12 | |
|---|---|---|---|---|
| Revenue | $11.4M | $9.9M | $9.9M | $11.9M |
| Gross profit | $7.6M | $6.6M | $6.7M | $7.2M |
| Operating income | -$7.9M | -$7.7M | -$15.3M | -$6.9M |
| Net income | -$7.5M | -$9.0M | -$14.6M | -$6.9M |
| EPS (diluted) | -13.06 | -10,971.40 | -291.52 | -15.15 |
| Operating cash flow | -$5.1M | -$4.3M | -$4.3M | -$3.6M |
| Cash | $3.6M | $3.8M | $6.4M | $7.0M |
SEC XBRL, fiscal years, as known on 2026-10-28
LGMK Stock Sonar score 4/7 axes
Find similar shapesCompareLGMK ranks highest on risk and compliance (94th percentile) and growth (61st), and lowest on profitability (39th), among Medical Devices peers.
4 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored
LGMK filings, in plain words
Read the full summary
2 activist Schedule 13D filings in the last 180 days declared an intent to influence the company, the largest for 8.3% of the class. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.
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