Limbach Holdings, Inc. (LMB) insider trading
Limbach Holdings, Inc. insiders have made 3 open-market purchases worth $516k since Sep 15, 2026, by 3 different insiders. The latest: Laurel J. Krzeminski (Director) bought $25k, filed Sep 16, 2026, scored 53 out of 100. The biggest: $391k by Joshua Horowitz, filed Sep 15, 2026. 2 buys in the last year came within ten days of another insider's: a cluster, one of the stronger patterns in the research.
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Insider purchases
| Filed | Insider | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Sep 16 Form 4 (opens sec.gov) |
Laurel J. KrzeminskiDirector · 2 insiders buyingDirector · 3 insiders buying · Near 52-week low | +14% stake | 53 | $25k 500 at $50.58 |
+2.6% | −3.0% |
| Sep 16 Form 4 (opens sec.gov) |
David Richard GabouryDirector · 3 insiders buyingDirector · 3 insiders buying · Near 52-week low | +37% stake | 58 | $100k 1,940 at $51.35 |
+2.6% | −3.0% |
| Sep 15 Form 4 (opens sec.gov) |
Joshua HorowitzDirectorDirector · 3 insiders buying · Near 52-week low | +4% stake | 55 | $391k 7,820 at $50.00 |
−2.7% | −7.4% |
Track record (hypothetical): a week after the filing, these buys averaged +0.8% (67% up, 3 measured); a month after, −4.5% (0% up, 3 measured).
Insider sales
1 open-market sale on record
| Filed | Insider | Sold |
|---|---|---|
| Sep 17 Form 4 (opens sec.gov) |
Jay SharpOfficer · planned (10b5-1) | $256k 5,094 at $50.21 · 7% of holdings |
Most insider sales are planned in advance or made for personal reasons, so a sale says less than a buy.
Insiders who bought LMB
- Laurel J. Krzeminski Director
- David Richard Gaboury Director
- Joshua Horowitz Director
Questions
Are insiders buying LMB stock?
Yes. In the last 90 days, 3 open-market purchases were filed, worth $516k, against $256k of open-market sales.
Who bought LMB stock most recently?
Laurel J. Krzeminski, Director, bought 500 shares for $25k (Form 4 (opens sec.gov), filed Sep 16, 2026).
How does InsiderBeacon score an insider buy?
Out of 100, from who bought, how much their stake grew, the size of the trade, whether other insiders bought within ten days, where the price sat in its 52-week range, and whether it was a first or a routine buy. The score is fixed when the filing arrives. The formula and the research behind it.
Insiders are also buying, same industry
- CNTM $4k
Data as of Sep 17, 2026, from SEC EDGAR Form 4 filings: open-market purchases (code P) of $25,000 or more, and open-market sales. Every row links to its filing. Scores summarise what a filing says (how the score works); outcomes are hypothetical, from the first close after the filing, and past results don't predict future ones. Disclaimer