Key facts
- UTL - UNITIL CORP has 22 insiders with reported activity on this page.
- No net insider buy/sell flow is currently reported for the last year.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 22 Insiders of UNITIL CORP
- Symbol
- UTL on NYSE
- Location
- Hampton, NH
Change
- No meaningful buy/sell imbalance is currently visible in the one-year window.
- Activity will update as new Forms 3/4/5 are filed.
Research use
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsInsider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 28 May 2025.
Buys
$0
Shares: 0
Insiders: 0
Sells
$0
Shares: 0
Insiders: 0
Net
$0
Shares: 0
Insiders: 0
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Top shareholders of UNITIL CORP (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with the largest verified stakes, then open the linked filing trail.
13F
13D/G
3/4/5
Evidence coverage
50 holder rows
Latest evidence as of 31 Mar 2026.
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
15%
from 13D/G
|
$148,023,884
2,833,535 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.2%
|
$49,398,980
945,616 shares
|
$0 | 31 Mar 2026 |
| Thomas P. Meissner Jr. |
3/4/5
Chairmain & CEO, Director
|
0.83%
|
$7,432,624
148,738 shares
|
— | 27 Jan 2026 |
| Mark H. Collin |
3/4/5
Director
|
0.33%
|
$2,778,290
58,837 shares
|
— | 01 Oct 2025 |
| Robert B. Hevert |
3/4/5
Pres. & Chief Admin Officer
|
0.2%
|
$1,773,267
35,465 shares
|
— | 27 Jan 2026 |
| Christopher J. LeBlanc |
3/4/5
Vice President
|
0.12%
|
$1,118,608
22,372 shares
|
— | 27 Jan 2026 |
| Daniel J. Hurstak |
3/4/5
SVP, CFO & Treasurer
|
0.11%
|
$1,004,468
20,089 shares
|
— | 27 Jan 2026 |
| Justin Eisfeller |
3/4/5
CTO
|
0.11%
|
$984,069
19,723 shares
|
— | 27 Jan 2026 |
| Justine Vogel |
3/4/5
Director
|
0.07%
|
$572,967
12,134 shares
|
— | 01 Oct 2025 |
| Suzanne Foster |
3/4/5
Director
|
0.07%
|
$572,967
12,134 shares
|
— | 01 Oct 2025 |
| Todd R. Diggins |
3/4/5
CAO & Controller
|
0.05%
|
$413,129
8,263 shares
|
— | 27 Jan 2026 |
| Carleton B. Simpson |
3/4/5
SVP, Gen. Counsel & Secretary
|
0.03%
|
$247,044
5,100 shares
|
— | 27 Jan 2026 |
| Katherine Kountze |
3/4/5
Director
|
0.01%
|
$76,685
1,624 shares
|
— | 01 Oct 2025 |
| STATE STREET CORP |
13F
Company
|
4.1%
|
$38,392,586
734,927 shares
|
— | 31 Mar 2026 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
3.3%
|
$31,453,860
602,103 shares
|
— | 31 Mar 2026 |
| FRONTIER CAPITAL MANAGEMENT CO LLC |
13F
Company
|
3%
|
$28,668,267
548,780 shares
|
— | 31 Mar 2026 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE |
13F
Company
|
2.8%
|
$26,696,364
511,033 shares
|
— | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
2.8%
|
$26,526,532
507,782 shares
|
— | 31 Mar 2026 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
2.7%
|
$25,599,742
490,041 shares
|
— | 31 Mar 2026 |
| JPMORGAN CHASE & CO |
13F
Company
|
2.7%
|
$25,830,291
486,080 shares
|
— | 31 Mar 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
2.4%
|
$22,604,539
432,658 shares
|
— | 31 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
1.9%
|
$17,788,857
340,505 shares
|
— | 31 Mar 2026 |
| Boston Trust Walden Corp |
13F
Company
|
1.9%
|
$17,771,578
340,191 shares
|
— | 31 Mar 2026 |
| MORGAN STANLEY |
13F
Company
|
1.7%
|
$15,528,227
297,246 shares
|
— | 31 Mar 2026 |
| TWO SIGMA INVESTMENTS, LP |
13F
Company
|
1.5%
|
$14,208,705
271,989 shares
|
— | 31 Mar 2026 |
| Aristotle Capital Boston, LLC |
13F
Company
|
1.4%
|
$13,609,722
260,523 shares
|
— | 31 Mar 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
Company
|
1.4%
|
$13,390,000
256,317 shares
|
— | 31 Mar 2026 |
| REAVES W H & CO INC |
13F
Company
|
1.4%
|
$12,969,886
248,275 shares
|
— | 31 Mar 2026 |
| NORTHERN TRUST CORP |
13F
Company
|
1.3%
|
$12,308,162
235,608 shares
|
— | 31 Mar 2026 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
1.1%
|
$10,786,881
206,487 shares
|
— | 31 Mar 2026 |
| HEARTLAND ADVISORS INC |
13F
Company
|
0.83%
|
$7,836,000
150,000 shares
|
— | 31 Mar 2026 |
| Nuveen, LLC |
13F
Company
|
0.76%
|
$7,170,932
137,269 shares
|
— | 31 Mar 2026 |
| CSM Advisors, LLC |
13F
Company
|
0.75%
|
$7,030,000
134,545 shares
|
— | 31 Mar 2026 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC |
13F
Company
|
0.7%
|
$6,546,665
125,319 shares
|
— | 31 Mar 2026 |
| ProShare Advisors LLC |
13F
Company
|
0.67%
|
$6,329,711
121,166 shares
|
— | 31 Mar 2026 |
| CITADEL ADVISORS LLC |
13F
Company
|
0.67%
|
$6,319,316
120,967 shares
|
— | 31 Mar 2026 |
| VANGUARD FIDUCIARY TRUST CO |
13F
Company
|
0.65%
|
$6,140,760
117,549 shares
|
— | 31 Mar 2026 |
| Invesco Ltd. |
13F
Company
|
0.61%
|
$5,777,170
110,589 shares
|
— | 31 Mar 2026 |
| HRT FINANCIAL LP |
13F
Company
|
0.61%
|
$5,769,000
110,438 shares
|
— | 31 Mar 2026 |
| JANE STREET GROUP, LLC |
13F
Company
|
0.6%
|
$5,652,472
108,202 shares
|
— | 31 Mar 2026 |
| Bank of New York Mellon Corp |
13F
Company
|
0.57%
|
$5,399,681
103,363 shares
|
— | 31 Mar 2026 |
| BANK OF AMERICA CORP /DE/ |
13F
Company
|
0.55%
|
$5,201,849
99,576 shares
|
— | 31 Mar 2026 |
| Russell Investments Group, Ltd. |
13F
Company
|
0.54%
|
$5,071,630
97,082 shares
|
— | 31 Mar 2026 |
| PRINCIPAL FINANCIAL GROUP INC |
13F
Company
|
0.49%
|
$4,565,567
87,396 shares
|
— | 31 Mar 2026 |
| SEI INVESTMENTS CO |
13F
Company
|
0.45%
|
$4,263,994
81,624 shares
|
— | 31 Mar 2026 |
| PANAGORA ASSET MANAGEMENT INC |
13F
Company
|
0.45%
|
$4,188,864
80,185 shares
|
— | 31 Mar 2026 |
| Qube Research & Technologies Ltd |
13F
Company
|
0.44%
|
$4,113,430
78,741 shares
|
— | 31 Mar 2026 |
| GABELLI FUNDS LLC |
13F
Company
|
0.4%
|
$3,735,160
71,500 shares
|
— | 31 Mar 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
Company
|
0.36%
|
$3,416,392
65,398 shares
|
— | 31 Mar 2026 |
| PUBLIC SECTOR PENSION INVESTMENT BOARD |
13F
Company
|
0.36%
|
$3,358,928
64,298 shares
|
— | 31 Mar 2026 |
UNITIL CORP executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Thomas P. Meissner Jr. | Chairmain & CEO, Director | $7,432,624 | Mixed | 27 Jan 2026 | ||
| Mark H. Collin | Director | $2,778,290 | Mixed | 01 Oct 2025 | ||
| Robert B. Hevert | Pres. & Chief Admin Officer | $1,773,267 | Mixed | 27 Jan 2026 | ||
| Eben S. Moulton | Director | $1,602,929 | Mixed | 02 Oct 2023 | ||
| Edward F. Godfrey | Director | $1,352,671 | Mixed | 01 Oct 2024 | ||
| Michael B. Green | Director | $1,274,734 | Mixed | 01 Oct 2025 | ||
| Todd R. Black | Senior Vice President | $1,129,492 | Mixed | 24 Jan 2023 | ||
| Christopher J. LeBlanc | Vice President | $1,118,608 | Mixed | 27 Jan 2026 | ||
| David A. Whiteley | Director | $1,076,043 | Mixed | 01 Oct 2025 | ||
| Daniel J. Hurstak | SVP, CFO & Treasurer | $1,004,468 | Mixed | 27 Jan 2026 | ||
| Justin Eisfeller | Cto | $984,069 | Mixed | 27 Jan 2026 | ||
| Justine Vogel | Director | $572,967 | Mixed | 01 Oct 2025 | ||
| Suzanne Foster | Director | $572,967 | Mixed | 01 Oct 2025 | ||
| Winfield S. Brown | Director | $564,307 | Mixed | 01 Oct 2025 | ||
| Lisa Crutchfield | Director | $534,968 | Mixed | 01 Oct 2021 | ||
| Todd R. Diggins | CAO & Controller | $413,129 | Mixed | 27 Jan 2026 | ||
| Neveen F. Awad | Director | $306,881 | Mixed | 01 Oct 2025 | ||
| Anne L. Alonzo | Director | $251,121 | Mixed | 01 Oct 2025 | ||
| Carleton B. Simpson | SVP, Gen. Counsel & Secretary | $247,044 | Mixed | 27 Jan 2026 | ||
| Sandra L. Whitney | Corporate Secretary | $246,589 | Mixed | 28 Jan 2025 | ||
| Jane Lewis-Raymond | Director | $128,863 | Mixed | 01 Oct 2025 | ||
| Katherine Kountze | Director | $76,685 | Mixed | 01 Oct 2025 |
Recent Insider Transactions by Companies or Individuals for UNITIL CORP
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Carleton B. Simpson | UTL | Common stock, no par value | Award | 165.6% | 3,180 | 5,100 | 27 Jan 2026 | Direct | ||
| Carleton B. Simpson | UTL | Contingent grant of common stock | Award | 165.6% | 795 | 1,275 | 27 Jan 2026 | Direct | ||
| Todd R. Diggins | UTL | Common stock, no par value | Award | 35.6% | 2,170 | 8,263 | 27 Jan 2026 | Direct | ||
| Todd R. Diggins | UTL | Contingent grant of common stock | Award | 55.1% | 540 | 1,520 | 27 Jan 2026 | Direct | ||
| Justin Eisfeller | UTL | Common stock, no par value | Award | 13.6% | 2,200 | 18,394 | 27 Jan 2026 | Direct | ||
| Justin Eisfeller | UTL | Contingent grant of common stock | Award | 55.1% | 540 | 1,520 | 27 Jan 2026 | Direct | ||
| Robert B. Hevert | UTL | Common stock, no par value | Award | 27.1% | 7,570 | 35,465 | 27 Jan 2026 | Direct | ||
| Robert B. Hevert | UTL | Contingent grant of common stock | Award | 57.5% | 1,870 | 5,120 | 27 Jan 2026 | Direct | ||
| Daniel J. Hurstak | UTL | Common stock, no par value | Award | 32.3% | 4,900 | 20,089 | 27 Jan 2026 | Direct | ||
| Daniel J. Hurstak | UTL | Contingent grant of common stock | Award | 57.4% | 1,215 | 3,330 | 27 Jan 2026 | Direct | ||
| Christopher J. LeBlanc | UTL | Common stock, no par value | Award | 10.9% | 2,200 | 22,372 | 27 Jan 2026 | Direct | ||
| Christopher J. LeBlanc | UTL | Contingent grant of common stock | Award | 55.1% | 540 | 1,520 | 27 Jan 2026 | Direct | ||
| Thomas P. Meissner Jr. | UTL | Common stock, no par value | Award | 12.7% | 16,490 | 145,995 | 27 Jan 2026 | Direct | ||
| Thomas P. Meissner Jr. | UTL | Contingent grant of common stock | Award | 57% | 4,045 | 11,140 | 27 Jan 2026 | Direct | ||
| David A. Whiteley | UTL | Common stock, no par value | Award | 28.3% | 2,435 | 11,033 | 01 Oct 2025 | Direct | ||
| Justine Vogel | UTL | Common stock, no par value | Award | 25.1% | 2,435 | 12,134 | 01 Oct 2025 | Direct | ||
| Jane Lewis-Raymond | UTL | Restricted stock units | Award | 2,435 | 2,435 | 01 Oct 2025 | Direct | |||
| Katherine Kountze | UTL | Common stock, no par value | Award | 1,624 | 1,624 | 01 Oct 2025 | Direct | |||
| Michael B. Green | UTL | Restricted stock units | Award | 12.9% | 2,435 | 21,357 | 01 Oct 2025 | Direct | ||
| Suzanne Foster | UTL | Common stock, no par value | Award | 25.1% | 2,435 | 12,134 | 01 Oct 2025 | Direct | ||
| Mark H. Collin | UTL | Common stock, no par value | Award | 4.32% | 2,435 | 58,837 | 01 Oct 2025 | Direct | ||
| Winfield S. Brown | UTL | Common stock, no par value | Award | 46% | 2,435 | 7,723 | 01 Oct 2025 | Direct | ||
| Neveen F. Awad | UTL | Restricted stock units | Award | 2,435 | 2,435 | 01 Oct 2025 | Direct | |||
| Anne L. Alonzo | UTL | Restricted stock units | Award | 153.9% | 2,435 | 4,017 | 01 Oct 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.