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  3. GRINDSTAFF NICHOLAS M

GRINDSTAFF NICHOLAS M

CIK: 0001134710
Primary company: QUANTA SERVICES, INC. (PWR)

GRINDSTAFF NICHOLAS M is a corporate insider at QUANTA SERVICES, INC. (PWR) filing SEC Form 4 transactions. 100 transactions across 3 companies, totaling $0 in purchases and $2,964,920 in sales. Source: SEC EDGAR.

Total Transactions
100
Total Buy Value
$0
Total Sell Value
$2.96M
Net Activity
$-2.96M
Last Transaction
Jul 2025
Companies
3

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Company
Type
Shares
Price
Value
Shares After
Date
SEC
STERLING INFRASTRUCTURE, INC.
STRL
Award560--5,560
7/10/2025
Filed: 7/10/2025
Filing →
STERLING INFRASTRUCTURE, INC.
STRL
Award5,000--5,000
7/10/2025
Filed: 7/10/2025
Filing →
Orbital Infrastructure Group, Inc.
OIG
Award500,000--500,000
9/15/2022
Filed: 10/17/2022
Filing →
Orbital Infrastructure Group, Inc.
OIG
Award154,106--296,052
9/15/2022
Filed: 10/17/2022
Filing →
QUANTA SERVICES, INC.
PWR
Sale8,454$101.22$856K31,868
5/10/2021
Filed: 5/12/2021
Filing →
QUANTA SERVICES, INC.
PWR
Tax Payment491$83.48$41K40,322
3/26/2021
Filed: 3/29/2021
Filing →
QUANTA SERVICES, INC.
PWR
Award1,400$0.00$040,813
3/25/2021
Filed: 3/29/2021
Filing →
QUANTA SERVICES, INC.
PWR
Tax Payment2,126$84.21$179K39,413
3/3/2021
Filed: 3/5/2021
Filing →
QUANTA SERVICES, INC.
PWR
Award5,772$0.00$041,539
3/3/2021
Filed: 3/5/2021
Filing →
QUANTA SERVICES, INC.
PWR
Tax Payment399$83.85$33K35,767
2/28/2021
Filed: 3/2/2021
Filing →
QUANTA SERVICES, INC.
PWR
Tax Payment2,624$72.02$189K36,166
1/1/2021
Filed: 1/5/2021
Filing →
QUANTA SERVICES, INC.
PWR
Sale8,256$64.53$533K38,790
11/2/2020
Filed: 11/4/2020
Filing →
QUANTA SERVICES, INC.
PWR
Award3,744$0.00$047,046
3/26/2020
Filed: 3/30/2020
Filing →
QUANTA SERVICES, INC.
PWR
Tax Payment1,753$38.56$68K43,302
3/4/2020
Filed: 3/6/2020
Filing →
QUANTA SERVICES, INC.
PWR
Award5,446$0.00$045,055
3/4/2020
Filed: 3/6/2020
Filing →
QUANTA SERVICES, INC.
PWR
Tax Payment470$39.42$19K39,609
2/28/2020
Filed: 3/3/2020
Filing →
QUANTA SERVICES, INC.
PWR
Tax Payment1,773$40.71$72K40,079
1/1/2020
Filed: 1/3/2020
Filing →
QUANTA SERVICES INC
PWR
Award2,862$0.00$041,852
3/8/2019
Filed: 3/11/2019
Filing →
QUANTA SERVICES INC
PWR
Tax Payment358$35.97$13K38,990
2/28/2019
Filed: 3/4/2019
Filing →
QUANTA SERVICES INC
PWR
Award6,964$0.00$039,348
2/28/2019
Filed: 3/4/2019
Filing →
STERLING INFRASTRUCTURE, INC.
STRL
Type
Award
Shares
560
Price
-
Value
-
STERLING INFRASTRUCTURE, INC.
STRL
Type
Award
Shares
5,000
Price
-
Value
-
Orbital Infrastructure Group, Inc.
OIG
Type
Award
Shares
500,000
Price
-
Value
-
Orbital Infrastructure Group, Inc.
OIG
Type
Award
Shares
154,106
Price
-
Value
-
QUANTA SERVICES, INC.
PWR
Type
Sale
Shares
8,454
Price
$101.22
Value
$856K
QUANTA SERVICES, INC.
PWR
Type
Tax Payment
Shares
491
Price
$83.48
Value
$41K
QUANTA SERVICES, INC.
PWR
Type
Award
Shares
1,400
Price
$0.00
Value
$0
QUANTA SERVICES, INC.
PWR
Type
Tax Payment
Shares
2,126
Price
$84.21
Value
$179K
QUANTA SERVICES, INC.
PWR
Type
Award
Shares
5,772
Price
$0.00
Value
$0
QUANTA SERVICES, INC.
PWR
Type
Tax Payment
Shares
399
Price
$83.85
Value
$33K
QUANTA SERVICES, INC.
PWR
Type
Tax Payment
Shares
2,624
Price
$72.02
Value
$189K
QUANTA SERVICES, INC.
PWR
Type
Sale
Shares
8,256
Price
$64.53
Value
$533K
QUANTA SERVICES, INC.
PWR
Type
Award
Shares
3,744
Price
$0.00
Value
$0
QUANTA SERVICES, INC.
PWR
Type
Tax Payment
Shares
1,753
Price
$38.56
Value
$68K
QUANTA SERVICES, INC.
PWR
Type
Award
Shares
5,446
Price
$0.00
Value
$0
QUANTA SERVICES, INC.
PWR
Type
Tax Payment
Shares
470
Price
$39.42
Value
$19K
QUANTA SERVICES, INC.
PWR
Type
Tax Payment
Shares
1,773
Price
$40.71
Value
$72K
QUANTA SERVICES INC
PWR
Type
Award
Shares
2,862
Price
$0.00
Value
$0
QUANTA SERVICES INC
PWR
Type
Tax Payment
Shares
358
Price
$35.97
Value
$13K
QUANTA SERVICES INC
PWR
Type
Award
Shares
6,964
Price
$0.00
Value
$0
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© 2026 13F Insight — Track smart money. Ask the AI Agent.

Listed on Turbo0Featured on Findly ToolsFeatured on toolfame.comFeatured on saasfame.comFeatured on Gets.ToolsZ-ImageFeatured On Micro SaaS ExamplesListed on MarketingDBFeatured on SaasDBFeatured on FazierBusiness Services - OnToplist.comFeatured on SubmitMySaasFeatured on ToolDirsFeatured on ToolfioFeatured on Twelve ToolsListed on uno directoryFeatured on Dang.aiFeatured on ToolPilotFeatured on Startup FameFeatured on PostmakeFeatured on Code.Market