Sheryl Lynn Cefali

Insider

First SEC filing: Sept. 12, 2022 · Latest: Sept. 12, 2022

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 4 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

4 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Sept. 8, 2022	RFIL	A	7,485	—	—	39,188 Direct	+23.61%	Acquired	(price as of 2026-08-21)
Dec. 30, 2021	RFIL	P	1,700	$7.56	$12,852	31,698 Direct	+5.67%	Acquired	53.2% (price as of 2026-08-21)
Dec. 30, 2021	RFIL	P	5	$7.56	$38	31,703 Direct	+0.02%	Acquired	53.2% (price as of 2026-08-21)
Dec. 23, 2021	RFIL	P	7,767	$7.50	$58,252	29,998 Direct	+34.94%	Acquired	54.4% (price as of 2026-08-21)
Sept. 15, 2020	RFIL	A	9,211	—	—	17,360 Direct	+113.03%	Acquired	(price as of 2026-08-21)
June 22, 2020	RFIL	P	2,100	$4.78	$10,038	7,870 Direct	+36.40%	Acquired	142.2% (price as of 2026-08-21)
March 24, 2020	RFIL	P	2,500	$3.92	$9,800	5,770 Direct	+76.45%	Acquired	195.4% (price as of 2026-08-21)
Nov. 4, 2019	RFIL	A	3,270	—	—	3,270 Direct	—	Acquired	(price as of 2026-08-21)
June 7, 2019	RFIL	A	3,082	—	—	3,082 Direct	—	Acquired	(price as of 2026-08-21)

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
June 7, 2019	RFIL	Stock Option (right to buy	Common Stock (3,082)	$7.50	June 6, 2024	3,082	Acquired

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