MIR Mirion Technologies (MIR) Insider Trading, Ownership & Congress Trades
Industrials · Measuring & controlling devices, nec · CIK 0001809987
C-suite buying · 1
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
199
13F, latest reported quarter
What the filings say about MIR
Insiders, 180 days
+$147.0K net bought
1 buyer · 1 seller · 0% of sales under a 10b5-1 plan
Mirion Technologies insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
Over the last 180 days, Mirion Technologies, Inc. insiders bought a net $147.0K of stock across 34 Form 4 purchases and sales, with 1 insider buying. Source: SEC Form 4 filings, as of 2026-10-28.
Insider
Filed
Shares
Value
Since filing
Context
- 5 earlier Form 4 trades (code P or S) here by this insider (5 sales), the last on Nov 6, 2025.
- The trade is 2.1% of the 933,290 shares held after it.
- No other insider bought within 30 days.
- 199 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Financial Officer Schopfer Brian bought about $312.0K of MIR on Sep 2, 2026, the largest insider purchase at the company on our record; 199 funds added in the latest 13F quarter.Context
- 2 earlier Form 4 trades (code P or S) here by this insider (2 sales), the last on Jun 13, 2024.
- The trade is 37.9% of the 22,157 shares held after it.
- No other insider sold within 30 days.
- 199 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Accounting Officer (PAO) Moore Christopher A. sold about $165.0K of MIR on May 7, 2026; 199 funds added in the latest 13F quarter.Context
- 3 earlier Form 4 trades (code P or S) here by this insider (3 sales), the last on Nov 21, 2025.
- The trade is 10.0% of the 3,509,075 shares held after it.
- 2 other insiders sold within 30 days.
- 199 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Kingsley Lawrence D sold about $8.7M of MIR on Dec 10, 2025, the largest insider sale at the company since 2023; 2 other insiders sold within 30 days and 199 funds added in the latest 13F quarter.Context
- 2 earlier Form 4 trades (code P or S) here by this insider (2 sales), the last on May 21, 2025.
- The trade is 7.7% of the 3,900,000 shares held after it.
- 3 other insiders sold within 30 days.
- 199 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Kingsley Lawrence D sold about $7.1M of MIR on Nov 21, 2025, the largest insider sale at the company since 2023; 3 other insiders sold within 30 days and 199 funds added in the latest 13F quarter.Context
- 3 earlier Form 4 trades (code P or S) here by this insider (3 sales), the last on Aug 5, 2025.
- The trade is 46.0% of the 97,770 shares held after it.
- 3 other insiders sold within 30 days.
- 199 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Nuclear & Safety President Eloy Loic sold about $1.2M of MIR on Nov 11, 2025; 3 other insiders sold within 30 days and 199 funds added in the latest 13F quarter.34 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
net +$147.0K over 180 days
+$312.0K over 90 days
more than 88% of Industrials
Congress
no House purchase disclosed in the last 12 months
Funds
199 funds bought in last quarter
more than 59% of Industrials
Revenue
+7.5% year over year
more than 57% of Industrials
Margin
3.1% net margin
below 58% of Industrials
Buybacks
$41.0M repurchased, FY to 2026-06-30
below 53% of Industrials
Short interest
18.1% of the float short (float per yahoo 2026-10-27) · 8.7 days to cover · settled 2026-10-15
What changed in the last 30 days
Nothing new filed in the last 30 days
Watch MIR
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.
-37.9%12M
Insider buyInsider sell
Indexed to 100, dividend-adjusted, not a price chart.
When a name files heavily, the largest trades are drawn first.
Who owns MIR: institutional holders (13F)
13F holdings, latest reported quarter
38,262,307 sh
$686.0M
18,179,850 sh
$326.0M
10,613,869 sh
$190.3M
10,406,605 sh
$186.6M
9,923,609 sh
$177.9M
Congress trades in MIR
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)
No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.
MIR planned insider sales (Form 144)
No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
MIR mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
Rockefeller US Small Cap Core Fund
$2.4M position · as of 2026-05-31
2.4%
Themes Uranium & Nuclear ETF
$624.0K position · as of 2026-06-30
2.2%
Goldman Sachs Variable Insurance Trust Mid Cap Value Fund
$10.8M position · as of 2026-06-30
2.2%
EQ/Goldman Sachs Mid Cap Value Portfolio
$4.4M position · as of 2026-06-30
2.2%
Congress Small Cap Growth Fund
$40.8M position · as of 2026-07-31
2.0%
Goldman Sachs Mid Cap Value Fund
$22.6M position · as of 2026-05-31
2.0%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Executive pay vs shareholder return · Mr. Logan
CEO pay, headline and as actually paid, against the company's
return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2025
$7.0M
$10.9M
$1.6M
+125%
+7%
2024
$5.8M
$53.3M
$1.3M
+75%
+103%
2023
$4.9M
$18.1M
$1.2M
+3%
+43%
2022
$4.1M
-$12.9M
$921.5K
-34%
+21%
2021
$6.9M
$13.4M
$1.1M
+5%
+40%
Tagged by the company under SEC Item 402(v). Returns are
cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders are net buyers of their own stock.
The record shows a net $147.0K bought by insiders over 180 days, 199 funds added last quarter. Each figure is a federal filing, dated the day it went public.
MIR financials
Revenue growth
+7.5%
XBRL, annual
Net margin
3.1%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$1.0B
four quarters, 2025-07-01 to 2026-06-30
Revenue, TTM MIR
| FY Dec 2025 | $925.4M |
| FY Dec 2024 | $860.8M |
| FY Dec 2023 | $800.9M |
| FY Dec 2022 | $717.8M |
| FY Dec 2021 | n/a |
| Jun 2026 | $266.8M |
| Mar 2026 | $257.6M |
| Dec 2025 | $277.4M |
| Sep 2025 | $223.1M |
| Jun 2025 | $222.9M |
| Mar 2025 | $202.0M |
| Dec 2024 | $254.3M |
| Sep 2024 | $206.8M |
At each fiscal year end
Single quarter
Net margin, TTM
+2.4%
net income over revenue, 2025-07-01 to 2026-06-30
Net margin, TTM MIR
| FY Dec 2025 | +3.1% |
| FY Dec 2024 | -4.2% |
| FY Dec 2023 | -12.1% |
| FY Dec 2022 | -38.6% |
| FY Dec 2021 | n/a |
| Jun 2026 | +2.9% |
| Mar 2026 | -1.3% |
| Dec 2025 | +6.2% |
| Sep 2025 | +1.3% |
| Jun 2025 | +3.7% |
| Mar 2025 | +0.1% |
| Dec 2024 | +5.9% |
| Sep 2024 | -6.6% |
At each fiscal year end
Single quarter
Free cash flow, TTM
$133.7M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Free cash flow, TTM MIR
| FY Dec 2025 | $106.9M |
| FY Dec 2024 | $50.3M |
| FY Dec 2023 | $58.1M |
| FY Dec 2022 | $5.2M |
| FY Dec 2021 | n/a |
| Jun 2026 | $48.1M |
| Mar 2026 | $9.4M |
| Dec 2025 | $63.2M |
| Sep 2025 | $13.0M |
| Jun 2025 | $3.6M |
| Mar 2025 | $27.1M |
| Dec 2024 | $49.1M |
| Sep 2024 | $3.9M |
At each fiscal year end
Single quarter
Debt to equity
0.24x
long-term 2026-06-30 plus current 2026-06-30; equity 2026-06-30
Debt to equity MIR
| FY Dec 2025 | 0.24x |
| FY Dec 2024 | 0.46x |
| FY Dec 2023 | 0.46x |
| FY Dec 2022 | 0.58x |
| FY Dec 2021 | 0.48x |
| Jun 2026 | 0.24x |
| Mar 2026 | 0.24x |
| Dec 2025 | 0.24x |
| Sep 2025 | 0.24x |
| Jun 2025 | 0.30x |
| Mar 2025 | 0.46x |
| Dec 2024 | 0.46x |
| Sep 2024 | 0.45x |
At each fiscal year end
Trailing four quarters at each quarter end
Cash flow to debt
0.39x
TTM operating cash flow over long-term 2026-06-30 plus current 2026-06-30
Cash flow to debt MIR
| FY Dec 2025 | 0.32x |
| FY Dec 2024 | 0.14x |
| FY Dec 2023 | 0.14x |
| FY Dec 2022 | 0.05x |
| FY Dec 2021 | n/a |
| Jun 2026 | 0.39x |
| Mar 2026 | 0.28x |
| Dec 2025 | 0.32x |
| Sep 2025 | 0.29x |
| Jun 2025 | 0.28x |
| Mar 2025 | 0.19x |
| Dec 2024 | 0.14x |
| Sep 2024 | 0.15x |
At each fiscal year end
Trailing four quarters at each quarter end
Return on equity
+1.5%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on equity MIR
| FY Dec 2025 | +1.7% |
| FY Dec 2024 | -2.4% |
| FY Dec 2023 | -6.7% |
| FY Dec 2022 | -17.9% |
| FY Dec 2021 | n/a |
| Jun 2026 | +1.5% |
| Mar 2026 | +1.5% |
| Dec 2025 | +1.7% |
| Sep 2025 | +1.6% |
| Jun 2025 | +0.7% |
| Mar 2025 | -0.7% |
| Dec 2024 | -2.4% |
| Sep 2024 | -4.4% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on assets
+0.8%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets MIR
| FY Dec 2025 | +0.9% |
| FY Dec 2024 | -1.3% |
| FY Dec 2023 | -3.6% |
| FY Dec 2022 | -9.5% |
| FY Dec 2021 | n/a |
| Jun 2026 | +0.8% |
| Mar 2026 | +0.8% |
| Dec 2025 | +0.9% |
| Sep 2025 | +0.9% |
| Jun 2025 | +0.4% |
| Mar 2025 | -0.4% |
| Dec 2024 | -1.3% |
| Sep 2024 | -2.5% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on invested capital
+2.6%
operating income after a 15.8% effective tax rate, over long-term 2026-06-30 plus current 2026-06-30 plus average of 2025-06-30 and 2026-06-30 minus cash
Return on invested capital MIR
| FY Dec 2025 | +2.6% |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | +2.6% |
| Mar 2026 | +2.5% |
| Dec 2025 | +2.6% |
| Sep 2025 | n/a |
| Jun 2025 | +2.6% |
| 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
+1.9%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
Return on capital employed MIR
| FY Dec 2025 | +1.8% |
| FY Dec 2024 | +1.0% |
| FY Dec 2023 | -0.9% |
| FY Dec 2022 | -11.0% |
| FY Dec 2021 | n/a |
| Jun 2026 | +1.9% |
| Mar 2026 | +1.7% |
| Dec 2025 | +1.8% |
| Sep 2025 | +2.0% |
| Jun 2025 | +1.9% |
| Mar 2025 | +1.6% |
| Dec 2024 | +1.0% |
| Sep 2024 | +0.4% |
At each fiscal year end
Trailing four quarters at each quarter end
P/E, trailing
149.20x
close 2026-10-26 over four quarters of diluted EPS, 2025-07-01 to 2026-06-30
P/E, trailing MIR
| FY Dec 2025 | 212.91x |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | 179.30x |
| Mar 2026 | 185.90x |
| Dec 2025 | 212.91x |
| Sep 2025 | 211.45x |
| Jun 2025 | 717.67x |
| 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
n/a
no share count filed
Enterprise value MIR
| 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
FCF yield
n/a
no share count filed
FCF yield MIR
| 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
PEG, trailing
0.64x
P/E over trailing EPS growth of 233%: four quarters to 2026-06-30 against the four to 2025-06-30
PEG, trailing MIR
| 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 | 0.77x |
| 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 2026-10-26. 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 | $925.4M | $860.8M | $800.9M | $717.8M |
| Gross profit | $438.6M | $399.7M | $356.4M | $310.1M |
| Operating income | $51.5M | $24.8M | -$21.9M | -$297.8M |
| Net income | $28.8M | -$36.1M | -$96.9M | -$276.9M |
| EPS (diluted) | 0.11 | -0.18 | -0.49 | -1.53 |
| Operating cash flow | $143.3M | $99.1M | $95.2M | $39.4M |
| Cash | $412.3M | $175.2M | $128.8M | $73.5M |
| Long-term debt | $443.1M | $685.2M | $684.7M | $801.5M |
| Buybacks | $49.6M | $0 | $0 | $0 |
SEC XBRL, fiscal years, as known on 2026-10-28
MIR Stock Sonar score 6/7 axes
Find similar shapesCompareMIR ranks highest on insider conviction (75th percentile) and financial health (64th), and lowest on profitability (26th), among Industrials peers.
6 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
MIR filings, in plain words
Are Mirion Technologies insiders buying or selling MIR?
In the 180 days to 2026-10-28, Mirion Technologies insiders were net buyers, a net $147.0K: $312.0K of purchases and $165.0K of sales reported on Form 4, by 1 buyer and 1 seller.
Read the full summary
In the 180 days to 2026-10-28, Mirion Technologies insiders were net buyers of MIR, a net $147.0K across purchases and sales reported on Form 4 by 1 buyer and 1 seller. 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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