Legence Corp. Class A Common stock

LGNNASDAQIndustrials● Active

$83.69

$-5.21(-5.86%)

Market Cap$10.1B

P/E Ratio—

52W High$107.238

52W Low$26.96

Avg Volume1.7M

Open$86.92

Beta2.93

Insider Trades Ownership Employees

Legence Corp. Class A Common stock (LGN) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · LGN · as of Jun 8, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

BEARISH

↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

Legence Corp. Class A Common stock insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

LGN insider buying and selling by quarter

LGN insider selling · LGN insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

68.9M34.5M0

2008 Q4

2009 Q1

2010 Q1

2010 Q2

2025 Q3

2025 Q4

2026 Q1

2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Recent insider transactions

LGN executive sell shares · LGN board member insider trading · LGN insider trading SEC filing

Showing 39 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Apr 19, 2010	MACLENNAN JAMES A Executive Vice President & CFO	Other	81,398	$2.50	$203K	0	Form 4
Apr 19, 2010	LIEBLONG ALEX R Director	Sale	3,004,853	$2.50	$7.51M⚡	0	Form 4
Apr 19, 2010	LIEBLONG ALEX R Director	Other	8,500	$2.50	$21K	0	Form 4
Apr 19, 2010	KEY COLONY FUND LP 10 percent owner	Sale	3,004,853	$2.50	$7.51M⚡	0	Form 4
Apr 19, 2010	KEY COLONY FUND LP 10 percent owner	Other	8,500	$2.50	$21K	0	Form 4
Apr 19, 2010	ALLISON JOHN W Director	Other	68,100	$2.50	$170K	0	Form 4
Jan 22, 2010	MACLENNAN JAMES A Executive Vice President & CFO	Other	1,933	$2.47	$5K	82,687	Form 4
Jan 26, 2010	MACLENNAN JAMES A Executive Vice President & CFO	Other	1,289	$2.50	$3K	81,398	Form 4
Mar 2, 2009	MACLENNAN JAMES A Executive Vice President & CFO	Other	4,228	$1.72	$7K	84,620	Form 4
Feb 12, 2009	LIEBLONG ALEX R Director	Award	2,000	—	—	9,000	Form 4
Feb 12, 2009	ALLISON JOHN W Director	Award	2,000	—	—	68,100	Form 4
Feb 4, 2009	MACLENNAN JAMES A Executive Vice President & CFO	Award	55,855	—	—	88,848	Form 4
Jan 26, 2009	MACLENNAN JAMES A Executive Vice President & CFO	Other	1,082	$1.92	$2K	33,200	Form 4
Dec 31, 2008	KEY COLONY FUND LP 10 percent owner	Purchase	6,000	$1.82	$11K	3,004,853	Form 4
Dec 22, 2008	KEY COLONY FUND LP 10 percent owner	Purchase	6,000	$1.70	$10K	2,998,853	Form 4
Dec 19, 2008	KEY COLONY FUND LP 10 percent owner	Purchase	3,000	$1.74	$5K	2,992,853	Form 4
Dec 10, 2008	KEY COLONY FUND LP 10 percent owner	Purchase	4,300	$1.45	$6K	2,989,853	Form 4
Nov 13, 2008	KEY COLONY FUND LP 10 percent owner	Purchase	4,100	$3.21	$13K	2,985,553	Form 4
Aug 20, 2008	MACLENNAN JAMES A Executive Vice President & CFO	Sale	5,632	$8.76	$49K	40,715	Form 4
Aug 22, 2008	MACLENNAN JAMES A Executive Vice President & CFO	Sale	4,500	$8.59	$39K	36,215	Form 4
Jun 27, 2008	KEY COLONY FUND LP 10 percent owner	Purchase	8,700	$7.77	$68K	2,981,453	Form 4
May 28, 2008	KEY COLONY FUND LP 10 percent owner	Purchase	4,800	$9.10	$44K	2,972,753	Form 4
May 22, 2008	KEY COLONY FUND LP 10 percent owner	Purchase	5,000	$8.60	$43K	2,967,953	Form 4
May 21, 2008	KEY COLONY FUND LP 10 percent owner	Purchase	5,106	$8.72	$45K	2,962,953	Form 4
May 20, 2008	KEY COLONY FUND LP 10 percent owner	Purchase	11,300	$8.80	$99K	2,957,847	Form 4

MACLENNAN JAMES A

Executive Vice President & CFO

Other

Date

Apr 19

81,398

Price

$2.50

Value

$203K

View Form 4 on SEC.gov

LIEBLONG ALEX R

Director

Sale

Date

Apr 19

3,004,853

Price

$2.50

Value

$7.51M ⚡

View Form 4 on SEC.gov

LIEBLONG ALEX R

Director

Other

Date

Apr 19

8,500

Price

$2.50

Value

$21K

View Form 4 on SEC.gov

KEY COLONY FUND LP

10 percent owner

Sale

Date

Apr 19

3,004,853

Price

$2.50

Value

$7.51M ⚡

View Form 4 on SEC.gov

KEY COLONY FUND LP

10 percent owner

Other

Date

Apr 19

8,500

Price

$2.50

Value

$21K

View Form 4 on SEC.gov

ALLISON JOHN W

Director

Other

Date

Apr 19

68,100

Price

$2.50

Value

$170K

View Form 4 on SEC.gov

MACLENNAN JAMES A

Executive Vice President & CFO

Other

Date

Jan 22

1,933

Price

$2.47

Value

$5K

View Form 4 on SEC.gov

MACLENNAN JAMES A

Executive Vice President & CFO

Other

Date

Jan 26

1,289

Price

$2.50

Value

$3K

View Form 4 on SEC.gov

MACLENNAN JAMES A

Executive Vice President & CFO

Other

Date

Mar 2

4,228

Price

$1.72

Value

$7K

View Form 4 on SEC.gov

LIEBLONG ALEX R

Director

Award

Date

Feb 12

2,000

Price

—

Value

—

View Form 4 on SEC.gov

ALLISON JOHN W

Director

Award

Date

Feb 12

2,000

Price

—

Value

—

View Form 4 on SEC.gov

MACLENNAN JAMES A

Executive Vice President & CFO

Award

Date

Feb 4

55,855

Price

—

Value

—

View Form 4 on SEC.gov

MACLENNAN JAMES A

Executive Vice President & CFO

Other

Date

Jan 26

1,082

Price

$1.92

Value

$2K

View Form 4 on SEC.gov

KEY COLONY FUND LP

10 percent owner

Purchase

Date

Dec 31

6,000

Price

$1.82

Value

$11K

View Form 4 on SEC.gov

KEY COLONY FUND LP

10 percent owner

Purchase

Date

Dec 22

6,000

Price

$1.70

Value

$10K

View Form 4 on SEC.gov

KEY COLONY FUND LP

10 percent owner

Purchase

Date

Dec 19

3,000

Price

$1.74

Value

$5K

View Form 4 on SEC.gov

KEY COLONY FUND LP

10 percent owner

Purchase

Date

Dec 10

4,300

Price

$1.45

Value

$6K

View Form 4 on SEC.gov

KEY COLONY FUND LP

10 percent owner

Purchase

Date

Nov 13

4,100

Price

$3.21

Value

$13K

View Form 4 on SEC.gov

MACLENNAN JAMES A

Executive Vice President & CFO

Sale

Date

Aug 20

5,632

Price

$8.76

Value

$49K

View Form 4 on SEC.gov

MACLENNAN JAMES A

Executive Vice President & CFO

Sale

Date

Aug 22

4,500

Price

$8.59

Value

$39K

View Form 4 on SEC.gov

KEY COLONY FUND LP

10 percent owner

Purchase

Date

Jun 27

8,700

Price

$7.77

Value

$68K

View Form 4 on SEC.gov

KEY COLONY FUND LP

10 percent owner

Purchase

Date

May 28

4,800

Price

$9.10

Value

$44K

View Form 4 on SEC.gov

KEY COLONY FUND LP

10 percent owner

Purchase

Date

May 22

5,000

Price

$8.60

Value

$43K

View Form 4 on SEC.gov

KEY COLONY FUND LP

10 percent owner

Purchase

Date

May 21

5,106

Price

$8.72

Value

$45K

View Form 4 on SEC.gov

KEY COLONY FUND LP

10 percent owner

Purchase

Date

May 20

11,300

Price

$8.80

Value

$99K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

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▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About LGN insider trading

LGN insider trades

Legence Corp. Class A Common stock (LGN) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including LGN. Over the past 12 months, 0 insiders have filed transactions with the SEC. LGN insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Legence Corp. Class A Common stock's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

LGN insider trading · 5 questions

The insiders of Legence Corp. Class A Common stock (LGN) include executives and directors such as LGN, among others. Over the past 12 months, 0 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

LGN board member insider tradingwho are LGN insidersLGN insider rosterLegence Corp. Class A Common stock executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026