InsiderTrades

Form 4 for PRIM Primoris Services Corp

Accepted 2026-03-03 00:00:00 ET · period of report 2026-03-01 · accession 0001703828-26-000002 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-03-03 2026-03-01 PRIM Kinch Jeremy COO A - Grant — +20.3K 35.9K +130% —
D 2026-03-03 2026-03-01 PRIM Kinch Jeremy COO F - Tax $150.72 -10.4K 25.5K -29% -$1.56M
D 2026-03-03 2026-03-01 PRIM Kinch Jeremy COO M - OptEx — +6,023 15.6K +63% —
D 2026-03-03 2026-03-01 PRIM Kinch Jeremy COO M - OptEx $0.00 -6,023 7,138 -46% $0
D 2026-03-03 2026-03-01 PRIM Kinch Jeremy COO A - Grant $0.00 +2,323 9,461 +33% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-01 A A 20,290 — 35,893 D — — (F2) These shares represent the acquisition of common stock resulting from the vesting of earned performance stock units issued under an equity incentive plan of the Company.
2 Common Common Stock 2026-03-01 F D 10,359 $150.72 25,534 D — —
3 Common Common Stock 2026-03-01 M A 6,023 — 15,603 D — — (F1) Each restricted stock unit represents a contingent right to receive one share of PRIM common stock or the cash value thereof on the date of settlement, in the Company's discretion. On March 1, 2026, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.
4 Derivative Restricted Stock Units 2026-03-01 M D 6,023 $0.00 7,138 D — · — to — 6,023 Common Stock (F1) Each restricted stock unit represents a contingent right to receive one share of PRIM common stock or the cash value thereof on the date of settlement, in the Company's discretion. On March 1, 2026, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.
5 Derivative Restricted Stock Units 2026-03-01 A A 2,323 $0.00 9,461 D — · — to — 2,323 Common Stock (F4) Each restricted stock unit represents a contingent right to receive one share of PRIM common stock or the cash value thereof on the date of settlement, in the Company's discretion. (F5) The restricted stock units vest 25% on March 1, 2027, 25% on March 1, 2028, and 50% on March 1, 2029.