Edwin A. Poston

CIK 1888753 · View on SEC EDGAR ↗

Insider

First SEC filing: Oct. 20, 2021 · Latest: Oct. 20, 2021

On this page

Insider at

Insider transactions

0 buys (P) 9 sells (S) Net: $-3,575,795 + 18 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

18 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Nov. 21, 2025 RPC S 18,427 $9.02 $166,212 0 Indirect -100.00% Disposed -3.5% (price as of 2026-08-20)
Sept. 23, 2025 RPC S 25,000 $12.07 $301,750 2,398,531 Indirect -1.03% Disposed -27.9% (price as of 2026-08-20)
Sept. 22, 2025 RPC S 8,683 $11.87 $103,067 2,423,531 Indirect -0.36% Disposed -26.7% (price as of 2026-08-20)
Sept. 19, 2025 RPC S 7,344 $12.08 $88,716 2,432,214 Indirect -0.30% Disposed -28.0% (price as of 2026-08-20)
Sept. 18, 2025 RPC S 91,949 $12.16 $1,118,100 2,439,558 Indirect -3.63% Disposed -28.5% (price as of 2026-08-20)
Sept. 11, 2025 RPC S 30,000 $12.52 $375,600 2,531,507 Indirect -1.17% Disposed -30.5% (price as of 2026-08-20)
Aug. 28, 2025 RPC S 15,000 $12.57 $188,550 2,561,507 Indirect -0.58% Disposed -30.8% (price as of 2026-08-20)
Aug. 26, 2025 RPC S 27,024 $12.50 $337,800 2,576,507 Indirect -1.04% Disposed -30.4% (price as of 2026-08-20)
Aug. 22, 2025 RPC S 70,000 $12.80 $896,000 2,603,531 Indirect -2.62% Disposed -32.0% (price as of 2026-08-20)
Feb. 20, 2025 RPC S 152,152 $13.00 $1,977,976 2,021,450 Indirect -7.00% Disposed -33.1% (price as of 2026-08-20)
Nov. 26, 2024 RPC S 20,724 $13.89 $287,856 0 Indirect -100.00% Disposed -37.4% (price as of 2026-08-20)
Nov. 22, 2024 RPC S 54,103 $13.63 $737,424 0 Direct -100.00% Disposed -36.2% (price as of 2026-08-20)
Nov. 28, 2023 RPC S 18,595 $9.66 $179,628 0 Indirect -100.00% Disposed -9.9% (price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Feb. 14, 2026 RPC Restricted Stock Units Class A Common Stock (9,120) — — 9,120 Disposed
Dec. 9, 2025 RPC Class B Common Stock Class A Common Stock (116,024) — — 116,024 Disposed
Nov. 13, 2025 RPC Class B Common Stock Class A Common Stock (18,427) — — 18,427 Disposed
March 19, 2025 RPC Class B Common Stock Class A Common Stock (1,304,161) — — 1,304,161 Disposed
Jan. 30, 2025 RPC Class B Common Stock Class A Common Stock (1,304,161) — — 1,304,161 Disposed
Dec. 17, 2024 RPC Class B Common Stock Class A Common Stock (869,441) — — 869,441 Disposed
Nov. 26, 2024 RPC Class B Common Stock Class A Common Stock (20,724) — — 20,724 Disposed
Nov. 27, 2023 RPC Class B Common Stock Classs A Common Stock (18,595) — — 18,595 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 4 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Oct. 20, 2021 RPC Class B Common Stock [F1]→ Class A Common Stock — Indirect
Oct. 20, 2021 RPC Class B Common Stock [F1]→ Class A Common Stock — Indirect
Oct. 20, 2021 RPC Class B Common Stock [F1]→ Class A Common Stock — Indirect
Oct. 20, 2021 RPC Class B Common Stock [F1]→ Class A Common Stock — Indirect