Nieuwoudt Stacy Durbin

USNatural personDirector

Transactions

Issuers

Buys / Sells

1/0

Last tx

27 May 2026

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Insider

Nieuwoudt Stacy Durbin

USNatural personDirector2 companies · 24mo

Transactions

Issuers

Buys / Sells

1/0

Last tx

27 May 2026

Current positions

Holdings derived from the most recent reported transactions. Not adjusted for stock splits or share-class conversions.

Issuer	Shares	Source	Last tx	Detail
ProFrac Holding Corp.	100,659	reported	27 May 2026	tx 6+100,659
Independence Contract Drilling, Inc.	62,815	reported	16 Aug 2024	tx 19+190,777−144,222

Recent transactions

Date	Type	Issuer	Qty	Price	Signals
27 May 2026	GRANT_AWARD	ProFrac Holding Corp.	22,421	0.00 USD
29 May 2025	GRANT_AWARD	ProFrac Holding Corp.	18,916	0.00 USD
16 Aug 2024	OTHER	Independence Contract Drilling, Inc.	33,334	—
16 Aug 2024	OTHER	Independence Contract Drilling, Inc.	16,666	—	deriv
31 May 2024	GRANT_AWARD	ProFrac Holding Corp.	16,129	0.00 USD
27 Feb 2024	GRANT_AWARD	Independence Contract Drilling, Inc.	33,334	—
27 Feb 2024	GRANT_AWARD	Independence Contract Drilling, Inc.	16,666	—	deriv
10 Feb 2024	EXERCISE	Independence Contract Drilling, Inc.	16,667	—
10 Feb 2024	EXERCISE	Independence Contract Drilling, Inc.	25,000	—	deriv
19 Jan 2024	EXERCISE	Independence Contract Drilling, Inc.	8,130	—
19 Jan 2024	EXERCISE	Independence Contract Drilling, Inc.	8,130	—	deriv
01 Jun 2023	GRANT_AWARD	ProFrac Holding Corp.	12,777	0.00 USD
18 Mar 2023	EXERCISE	Independence Contract Drilling, Inc.	16,501	—
18 Mar 2023	EXERCISE	Independence Contract Drilling, Inc.	24,752	—	deriv
10 Feb 2023	GRANT_AWARD	Independence Contract Drilling, Inc.	25,000	—	deriv
19 Jan 2023	EXERCISE	Independence Contract Drilling, Inc.	8,130	—
19 Jan 2023	EXERCISE	Independence Contract Drilling, Inc.	8,130	—	deriv
24 May 2022	GRANT_AWARD	ProFrac Holding Corp.	24,166	0.00 USD
17 May 2022	PURCHASE	ProFrac Holding Corp.	6,250	18.00 USD
18 Mar 2022	GRANT_AWARD	Independence Contract Drilling, Inc.	24,752	—	deriv
10 Feb 2022	EXERCISE	Independence Contract Drilling, Inc.	13,387	—
10 Feb 2022	EXERCISE	Independence Contract Drilling, Inc.	20,080	—	deriv
19 Jan 2022	EXERCISE	Independence Contract Drilling, Inc.	8,130	—
19 Jan 2022	EXERCISE	Independence Contract Drilling, Inc.	8,130	—	deriv
11 Feb 2021	GRANT_AWARD	Independence Contract Drilling, Inc.	20,080	0.00 USD	deriv

Current positions

Holdings derived from the most recent reported transactions. Not adjusted for stock splits or share-class conversions.

Issuer	Shares	Source	Last tx	Detail
ProFrac Holding Corp.	100,659	reported	27 May 2026	tx 6+100,659
Independence Contract Drilling, Inc.	62,815	reported	16 Aug 2024	tx 19+190,777−144,222

Recent transactions

Date	Type	Issuer	Qty	Price	Signals
27 May 2026	GRANT_AWARD	ProFrac Holding Corp.	22,421	0.00 USD
29 May 2025	GRANT_AWARD	ProFrac Holding Corp.	18,916	0.00 USD
16 Aug 2024	OTHER	Independence Contract Drilling, Inc.	33,334	—
16 Aug 2024	OTHER	Independence Contract Drilling, Inc.	16,666	—	deriv
31 May 2024	GRANT_AWARD	ProFrac Holding Corp.	16,129	0.00 USD
27 Feb 2024	GRANT_AWARD	Independence Contract Drilling, Inc.	33,334	—
27 Feb 2024	GRANT_AWARD	Independence Contract Drilling, Inc.	16,666	—	deriv
10 Feb 2024	EXERCISE	Independence Contract Drilling, Inc.	16,667	—
10 Feb 2024	EXERCISE	Independence Contract Drilling, Inc.	25,000	—	deriv
19 Jan 2024	EXERCISE	Independence Contract Drilling, Inc.	8,130	—
19 Jan 2024	EXERCISE	Independence Contract Drilling, Inc.	8,130	—	deriv
01 Jun 2023	GRANT_AWARD	ProFrac Holding Corp.	12,777	0.00 USD
18 Mar 2023	EXERCISE	Independence Contract Drilling, Inc.	16,501	—
18 Mar 2023	EXERCISE	Independence Contract Drilling, Inc.	24,752	—	deriv
10 Feb 2023	GRANT_AWARD	Independence Contract Drilling, Inc.	25,000	—	deriv
19 Jan 2023	EXERCISE	Independence Contract Drilling, Inc.	8,130	—
19 Jan 2023	EXERCISE	Independence Contract Drilling, Inc.	8,130	—	deriv
24 May 2022	GRANT_AWARD	ProFrac Holding Corp.	24,166	0.00 USD
17 May 2022	PURCHASE	ProFrac Holding Corp.	6,250	18.00 USD
18 Mar 2022	GRANT_AWARD	Independence Contract Drilling, Inc.	24,752	—	deriv
10 Feb 2022	EXERCISE	Independence Contract Drilling, Inc.	13,387	—
10 Feb 2022	EXERCISE	Independence Contract Drilling, Inc.	20,080	—	deriv
19 Jan 2022	EXERCISE	Independence Contract Drilling, Inc.	8,130	—
19 Jan 2022	EXERCISE	Independence Contract Drilling, Inc.	8,130	—	deriv
11 Feb 2021	GRANT_AWARD	Independence Contract Drilling, Inc.	20,080	0.00 USD	deriv