Mark D. Wolf

Board Director

General Secretary

Sterling Infrastructure, Inc.U.S. Well Services, Inc.

Insider activity · 24 months0 buys2 salesCumulative net flow

Dec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 1 saleMar 25 · 0 buys · 0 salesApr 25 · 0 buys · 0 salesMay 25 · 0 buys · 0 salesJun 25 · 0 buys · 1 saleJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 0 salesSept 25 · 0 buys · 0 salesOct 25 · 0 buys · 0 salesNov 25 · 0 buys · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 0 salesFeb 26 · 0 buys · 0 salesMar 26 · 0 buys · 0 salesApr 26 · 0 buys · 0 salesMay 26 · 0 buys · 0 salesJun 26 · 0 buys · 0 salesJul 26 · 0 buys · 0 salesAug 26 · 0 buys · 0 salesSept 26 · 0 buys · 0 salesOct 26 · 0 buys · 0 salesNov 26 · 0 buys · 0 sales

Total declarations

Companies

▲ Purchases (0 ops.)

—

▼ Sales (9 ops.)

€2.5M

Latest filing published 27 Feb 2026 for Sterling Infrastructure, INC., €461k.

Filing timeline

BuySale

Mark D. Wolf

Insider track record

Disclosed buys

Disclosed sells

Signal history

Mark D. Wolf: trading record in brief

Mark D. Wolf, listed as senior executive, has filed trades across 2 companies (mainly through SEC (Form 4)), most often in Sterling Infrastructure, Inc. and U.S. Well Services, Inc. Over a trading history stretching from 14 March 2019 to 25 February 2026, the count stands at 37 filings.

No open-market purchase appears, only 9 sales worth €2.5M. Outside the open market, there are 27 share grants.

On 27 February 2026 came the latest disclosure, a share grant for €461k in Sterling Infrastructure, Inc. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. US insiders must file a Form 4 within two business days of a trade. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.

Companies and markets linked to Mark D. Wolf

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

Sterling Infrastructure, Inc. (US)U.S. Well Services, Inc. (US)

Declarations37 total

◆
Mark D. Wolf
General Counsel, Corporate SecExecutives25 Feb 2026Sterling Infrastructure, Inc.
543,113 USD12SEC
1,193 shares@ US$455.257.6% of flowCommon StockSEC:0000874238-26-000027:1
◆
Mark D. Wolf
General Counsel, Corporate SecExecutives25 Feb 2026Sterling Infrastructure, Inc.
0SEC
2,996 shares0Common StockSEC:0000874238-26-000027:0
◆
Mark D. Wolf
General Counsel, Corporate SecExecutives1 Jan 2026Sterling Infrastructure, Inc.
0SEC
463 shares0Common StockSEC:0000874238-26-000009:1
◆
Mark D. Wolf
General Counsel, Corporate SecExecutives31 Dec 2025Sterling Infrastructure, Inc.
273,770 USD12SEC
894 shares@ US$306.235.0% of flowCommon StockSEC:0000874238-26-000009:0
●
Mark D. Wolf
General Counsel, Corporate SecExecutives15 Dec 2025Sterling Infrastructure, Inc.
0SEC
50 shares0Common StockSEC:0000874238-25-000142:0
▼
Mark D. Wolf
General Counsel, Corporate SecExecutives24 Jun 2025Sterling Infrastructure, Inc.
790,545 USD24SEC
3,500 shares@ US$225.8714.6% of flowCommon StockSEC:0000874238-25-000100:0
▼
Mark D. Wolf
General Counsel, Corporate SecExecutives26 Feb 2025Sterling Infrastructure, Inc.
313,096 USD11SEC
2,563 shares@ US$122.164.9% of flowCommon StockSEC:0000874238-25-000029:1
◆
Mark D. Wolf
General Counsel, Corporate SecExecutives26 Feb 2025Sterling Infrastructure, Inc.
0SEC
6,394 shares0Common StockSEC:0000874238-25-000029:0
◆
Mark D. Wolf
General Counsel, Corporate SecExecutives1 Jan 2025Sterling Infrastructure, Inc.
0SEC
818 shares0Common StockSEC:0000874238-25-000013:1
◆
Mark D. Wolf
General Counsel, Corporate SecExecutives31 Dec 2024Sterling Infrastructure, Inc.
232,798 USD11SEC
1,382 shares@ US$168.454.8% of flowCommon StockSEC:0000874238-25-000013:0
▼
Mark D. Wolf
General Counsel, Corporate SecExecutives21 Mar 2024Sterling Infrastructure, Inc.
166,353 USD26SEC
1,500 shares@ US$110.90183.3% of flowCommon StockSEC:0000874238-24-000056:0
▼
Mark D. Wolf
General Counsel, Corporate SecExecutives11 Mar 2024Sterling Infrastructure, Inc.
432,620 USD12SEC
4,000 shares@ US$108.1558.5% of flowCommon StockSEC:0000874238-24-000044:0
▼
Mark D. Wolf
General Counsel, Corporate SecExecutives27 Feb 2024Sterling Infrastructure, Inc.
439,113 USD12SEC
4,134 shares@ US$106.226.6% of flowCommon StockSEC:0000874238-24-000036:1
◆
Mark D. Wolf
General Counsel, Corporate SecExecutives27 Feb 2024Sterling Infrastructure, Inc.
0SEC
10,622 shares0Common StockSEC:0000874238-24-000036:0
◆
Mark D. Wolf
General Counsel, Corporate SecExecutives2 Jan 2024Sterling Infrastructure, Inc.
0SEC
1,493 shares0Common StockSEC:0000874238-24-000008:0
◆
Mark D. Wolf
General Counsel, Corporate SecExecutives31 Dec 2023Sterling Infrastructure, Inc.
183,950 USD11SEC
2,092 shares@ US$87.933.6% of flowCommon StockSEC:0000874238-24-000004:0
◆
Mark D. Wolf
General Counsel, Corporate SecExecutives5 Aug 2023Sterling Infrastructure, Inc.
200,080 USD11SEC
3,280 shares@ US$61.003.9% of flowCommon StockSEC:0000874238-23-000110:0
▼
Mark D. Wolf
General Counsel, Corporate SecExecutives9 Jun 2023Sterling Infrastructure, Inc.
106,813 USD11SEC
2,000 shares@ US$53.40642.1% of flowCommon StockSEC:0000874238-23-000094:0
▼
Mark D. Wolf
General Counsel, Corporate SecExecutives15 May 2023Sterling Infrastructure, Inc.
193,297 USD11SEC
4,500 shares@ US$42.95483.8% of flowCommon StockSEC:0000874238-23-000088:0
▼
Mark D. Wolf
General Counsel, Corporate SecExecutives8 Mar 2023Sterling Infrastructure, Inc.
164,961 USD23SEC
4,000 shares@ US$41.24033.4% of flowCommon StockSEC:0000874238-23-000033:0
◆
Mark D. Wolf
General Counsel, Corporate SecExecutives28 Feb 2023Sterling Infrastructure, Inc.
148,802 USD11SEC
3,869 shares@ US$38.462.3% of flowCommon StockSEC:0000874238-23-000028:1
◆
Mark D. Wolf
General Counsel, Corporate SecExecutives28 Feb 2023Sterling Infrastructure, Inc.
0SEC
9,500 shares0Common StockSEC:0000874238-23-000028:0
◆
Mark D. Wolf
General Counsel, Corporate SecExecutives1 Jan 2023Sterling Infrastructure, Inc.
0SEC
4,494 shares0Common StockSEC:0000874238-23-000005:1
◆
Mark D. Wolf
General Counsel, Corporate SecExecutives31 Dec 2022Sterling Infrastructure, Inc.
58,253 USD11SEC
1,776 shares@ US$32.801.2% of flowCommon StockSEC:0000874238-23-000005:0
▼
Mark D. Wolf
General Counsel, Corporate SecExecutives21 Dec 2022Sterling Infrastructure, Inc.
111,381 USD11SEC
3,500 shares@ US$31.82312.3% of flowCommon StockSEC:0000874238-22-000101:0

25 of 37 declarations

Mark D. Wolf

Insider track record

Mark D. Wolf: trading record in brief

Companies and markets linked to Mark D. Wolf

Similar companies

Related executives