Darin G Holderness

Insider

First SEC filing: Oct. 9, 2020 · Latest: Oct. 9, 2020

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 5 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

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Oct. 7, 2020	PUMP	M	4,850	—	—	51,499 Direct	-8.61%	Disposed	(price as of 2026-08-20)
Oct. 7, 2020	PUMP	F	1,909	$4.26	$8,132	2,941 Direct	-39.36%	Disposed	178.5% (price as of 2026-08-20)
Oct. 7, 2020	PUMP	M	4,850	—	—	4,850 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 11, 2020	PUMP	A	41,797	—	—	56,349 Direct	+287.23%	Acquired	(price as of 2026-08-20)
Oct. 7, 2019	PUMP	A	14,552	—	—	14,552 Direct	—	Acquired	(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.

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

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Oct. 7, 2020	PUMP	Restricted Stock Units	Common Stock (4,850)	—	—	4,850	Disposed
Feb. 11, 2020	PUMP	Restricted Stock Units	Common Stock (41,797)	—	—	41,797	Acquired
Oct. 7, 2019	PUMP	Restricted Stock Units	Common Stock (14,552)	—	—	14,552	Acquired

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

Matched by name from proxy statements (DEF 14A) — verify against the filing.

CFO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2019	$159,035	$35,000	$286,093	—	$165,000	—	$20,725	$665,853

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.