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No insider purchase over the last 90 days. The latest was filed 31 Dec 2025.
LGL Group Inc: what insiders have been doing
LGL Group Inc belongs to the Industry sector. Filings by its managers are published through SEC (Form 4). Between 18 October 2025 and 18 October 2026, 11 insiders published 22 filings.
Every open-market trade in the period is a purchase: 1 purchase worth €385k, from 1 insider, and not a single sale. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. At €385k, the purchase published on 31 December 2025 by Gabelli Mario J is the largest of the period.
The last insider purchase was made public on 31 December 2025, 291 days ago. The median gap between a trade and its publication by SEC (Form 4) is 5 days. For comparison, the SEC allows two business days to file a Form 4.
Compared with its exchange (5,810 companies, median 19 filings), a count of 22 filings is above the norm. Since 2021, the database holds 1 purchase and no sales by insiders of the company.
Other companies in the same sector with recent insider buying flagged by our signals: Tennant Co and Butler National Corp. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.
Insider Decl.
53
Thresholds
n/a
Buy Volume
€384,858
1 ops. · all time
Sell Volume
n/a
n/a
Who traded when
BuySaleMario J. Gabelli1 buy
Since the insiders bought
- +21.1%Entry US$5.79 · Close at T+90 US$7.01
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Fundamental score
Ranked 11,955 of 24,148 companies
51.8
score / 100
Value38
Quality66
FCF yld0.1%
Earn yld0.8%
EV/EBITDA·
ROE-0.4%
Gross mgn72%
Net mgn17%
Debt/EBITDA·
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended December 2025 · cache
US$6.70
Analyst consensus
1 analysts0.00/5
US$16.00Target US$16.00(+139%)US$16.00
Income statement
RevenueUS$4.2M
Gross profitUS$3M72% margin
EBITDAUS$270k6% margin
Net incomeUS$688k-5.0% margin
Valuation
PER (trailing)748.0x
PER (forward)67.0x
P/Book1.0x
Beta0.10
Balance sheet & cash
Market capUS$84.5M
Free Cash FlowUS$70k
Profitability & ownership
ROE-0.4%
ROA-1.3%
% insiders46.6%
% institutions22.1%
Last declaration on 28 July 2026
Declarations53 total
1,854,015 shares@ US$6.9015.06% mcap55.6% of flowCommon StockSEC:0000807249-26-000057:0
1,477,660 shares@ US$6.9012.00% mcap44.3% of flowCommon StockSEC:0000807249-26-000057:1
8,621 shares@ US$6.900.070% mcap78.8% of flowCommon StockSEC:0001437749-26-024529:0
1,000 shares@ US$6.900.0081% mcap9.1% of flowCommon StockSEC:0001437749-26-024529:1
50,000 shares@ US$6.900.41% mcap100.0% of flowCommon StockSEC:0001437749-26-024530:0
621,928 shares@ US$6.905.04% mcap45.3% of flowCommon StockSEC:0000807249-26-000053:0
572,324 shares@ US$6.904.64% mcap41.7% of flowCommon StockSEC:0000807249-26-000053:1
2,308 shares0Common StockSEC:0001437749-26-013214:0
2,067 shares0Common StockSEC:0001437749-26-010421:0
2,067 shares0Common StockSEC:0001437749-26-010416:0
2,067 shares0Common StockSEC:0001437749-26-010420:0
2,067 shares0Common StockSEC:0001437749-26-010419:0
2,067 shares0Common StockSEC:0001437749-26-010417:0
2,067 shares0Common StockSEC:0000807249-26-000033:0
50,000 shares0Common StockSEC:0001437749-26-001907:0
1,379 shares@ US$6.7512.0% of flowCommon StockSEC:0001437749-26-001908:0
169,993 shares@ US$4.758.4% of flowCommon StockSEC:0000807249-26-000011:0
10,000 shares0Common StockSEC:0001437749-26-001636:0
10,000 shares0Common StockSEC:0001437749-26-001634:0
8,552 shares@ US$4.750.2% of flowCommon StockSEC:0000807249-26-000010:0
10,000 shares0Common StockSEC:0001437749-26-001635:0
95,387 shares@ US$4.754.7% of flowCommon StockSEC:0000807249-25-000183:0
Canonical exit: 30 Mar 2026 (T+90)
2,308 shares0Common StockSEC:0000807249-25-000055:0
2,308 shares0Common StockSEC:0001437749-25-009654:0
2,308 shares0Common StockSEC:0001437749-25-009655:0
25 of 53 declarations
About LGL Group Inc
The LGL Group, Inc. is a U.S.-listed company traded on the NYSE American (NYSE) under the ticker LGL. From an international equity perspective, it is best viewed as a small industrial holding company with a focused operating subsidiary rather than a broad, multi-line technology conglomerate. The company is headquartered in Orlando, Florida, United States, while its core manufacturing activity is conducted through Precise Time and Frequency, LLC (PTF), located in Wakefield, Massachusetts. LGL was incorporated in 1928, giving it a long corporate and market history that traces back to the former Lynch Corporation. ([sec.gov](https://www.sec.gov/Archives/edgar/data/61004/000143774926010362/lglg20251231_10k.htm?utm_source=openai))
LGL’s business today is centered on the design, manufacture, and marketing of high-precision electronic instruments tied to time and frequency control. Its product set includes frequency standards, time standards, time code generators, and related ancillary equipment such as RF distribution amplifiers, digital distribution amplifiers, time code distribution amplifiers, and redundancy switches. These products are used in applications where synchronization and signal stability are mission-critical, including telecommunications, networking, electricity distribution, metrology, instrumentation, and certain aerospace and defense environments. ([sec.gov](https://www.sec.gov/Archives/edgar/data/61004/000143774926016146/lglg20260331_10q.htm?utm_source=openai))
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Competitively, LGL operates in a niche market where technical performance, reliability, and customization matter more than scale. That positioning can create attractive barriers to entry, because customers in its end markets often require tight specifications, engineering support, and proven know-how. Management has also emphasized that the company’s technological position depends heavily on the competence and creativity of its engineering and technical teams, which underscores the importance of intellectual capital in the business model. ([sec.gov](https://www.sec.gov/Archives/edgar/data/61004/000143774926010362/lglg20251231_10k.htm?utm_source=openai))
The group’s history is also important for investors. LGL has long operated as a diversified holding company, with a strategy built around expanding existing businesses, acquiring new ones, and pruning non-core assets over time. In October 2022, it completed the spin-off of M-tron Industries, a major portfolio simplification event that reshaped the business mix and left the current structure more concentrated around PTF and holding-company activities. ([sec.gov](https://www.sec.gov/Archives/edgar/data/61004/000143774926010362/lglg20251231_10k.htm?utm_source=openai))
Recent developments indicate a micro-cap company that remains active on capital allocation and operational execution. In May 2026, LGL reported first-quarter 2026 results showing a net loss attributable to common shareholders, while 2025 disclosures highlighted a share repurchase initiative and warrant-related actions. For investors, that combination suggests a business with limited scale, modest liquidity, and sensitivity to order flow, margins, and capital structure decisions. ([sec.gov](https://www.sec.gov/Archives/edgar/data/61004/000143774926016145/ex_933145.htm?utm_source=openai))
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