Luke M Beshar

CIK 1192128 · View on SEC EDGAR ↗

Insider

First SEC filing: Sept. 16, 2015 · Latest: Sept. 16, 2015

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 17 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

17 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 15, 2026	TARA	A	31,000	—	—	31,000 Direct	—	Acquired	(price as of 2026-08-19)
June 12, 2025	TARA	A	24,000	—	—	24,000 Direct	—	Acquired	(price as of 2026-08-19)
June 7, 2024	TARA	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-19)
June 7, 2023	TARA	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-19)
June 30, 2022	TARA	P	10,000	$3.10	$31,000	198,000 Direct	+5.32%	Acquired	31.5% (price as of 2026-08-19)
June 8, 2022	TARA	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-19)
March 14, 2022	TARA	P	10,000	$4.25	$42,500	188,000 Direct	+5.62%	Acquired	-4.1% (price as of 2026-08-19)
March 10, 2022	TARA	P	10,000	$4.46	$44,600	178,000 Direct	+5.95%	Acquired	-8.6% (price as of 2026-08-19)
June 9, 2021	TARA	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-19)
June 9, 2020	TARA	A	9,000	—	—	9,000 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 10, 2020	TARA	A	168,000	—	—	168,000 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 9, 2020	TARA	A	6,676	—	—	6,676 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 9, 2020	TARA	A	12,399	—	—	12,399 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 9, 2020	TARA	A	10,491	—	—	10,491 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 9, 2020	TARA	A	6,676	—	—	6,676 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 9, 2020	TARA	A	12,399	—	—	12,399 Direct	—	Acquired	(price as of 2026-08-19)
May 24, 2017	RGNX	A	12,500	—	—	12,500 Direct	—	Acquired	(price as of 2026-08-19)
June 1, 2016	RGNX	A	12,500	—	—	12,500 Direct	—	Acquired	(price as of 2026-08-19)
Sept. 16, 2015	RGNX	A	9,375	—	—	9,375 Direct	—	Acquired	(price as of 2026-08-19)
Sept. 16, 2015	RGNX	A	5,208	—	—	5,208 Direct	—	Acquired	(price as of 2026-08-19)

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
June 15, 2026	TARA	Stock Option (Right to Buy)	Common Stock (31,000)	$3.94	June 14, 2036	31,000	Acquired
June 12, 2025	TARA	Stock Option (Right to Buy)	Common Stock (24,000)	$3.26	June 11, 2035	24,000	Acquired
June 7, 2024	TARA	Stock Option (Right to Buy)	Common Stock (10,000)	$2.67	June 6, 2034	10,000	Acquired
June 7, 2023	TARA	Stock Option (Right to Buy)	Common Stock (10,000)	$2.85	June 6, 2033	10,000	Acquired
June 8, 2022	TARA	Stock Option (Right to Buy)	Common Stock (10,000)	$3.50	June 7, 2032	10,000	Acquired
June 9, 2021	TARA	Stock Option (Right to Buy)	Common Stock (10,000)	$10.51	June 8, 2031	10,000	Acquired
June 9, 2020	TARA	Stock Option (Right to Buy)	Common Stock (9,000)	$35.00	June 8, 2030	9,000	Acquired
Jan. 9, 2020	TARA	Stock Option (Right to Buy)	Common Stock (6,676)	$9.18	Dec. 3, 2028	6,676	Acquired
Jan. 9, 2020	TARA	Stock Option (Right to Buy)	Common Stock (12,399)	$9.18	July 11, 2028	12,399	Acquired
Jan. 9, 2020	TARA	Stock Option (Right to Buy)	Common Stock (10,491)	$9.18	April 28, 2029	10,491	Acquired
Jan. 9, 2020	TARA	Stock Option (Right to Buy)	Common Stock (6,676)	$9.18	Dec. 31, 2028	6,676	Acquired
Jan. 9, 2020	TARA	Stock Option (Right to Buy)	Common Stock (12,399)	$9.18	July 11, 2028	12,399	Acquired
May 24, 2017	RGNX	Stock Option (Right to Buy)	Common Stock (12,500)	$18.85	May 24, 2027	12,500	Acquired
June 1, 2016	RGNX	Stock Option (Right to Buy)	Common Stock (12,500)	$12.74	June 1, 2026	12,500	Acquired
Sept. 16, 2015	RGNX	Stock Option (Right to Buy)	Common Stock	$22.00	Sept. 16, 2025	9,375	Acquired
Sept. 16, 2015	RGNX	Stock Option (Right to Buy)	Common Stock (5,208)	$22.00	Sept. 16, 2025	5,208	Acquired

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
Sept. 16, 2015	RGNX	Stock Option (Right to Buy)→ Common Stock (80,000)	80,000	Direct