Gary S Roubin

Insider

First SEC filing: Oct. 16, 2020 · Latest: Oct. 16, 2020

On this page

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

NSPR buying May 7, 2026

Insider transactions

1 buys (P) 0 sells (S) Net: $106,200 + 17 non-open-market transactions below Avg return of open purchases vs now: -25.8% 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
May 7, 2026	NSPR	P	90,000	$1.18	$106,200	834,478 Direct	+12.09%	Acquired	-25.8% (price as of 2026-08-25)
Jan. 14, 2026	NSPR	A	88,053	—	—	744,478 Direct	+13.41%	Acquired	(price as of 2026-08-25)
Oct. 7, 2025	NSPR	A	48,000	—	—	656,425 Direct	+7.89%	Acquired	(price as of 2026-08-25)
Jan. 7, 2025	NSPR	A	32,491	—	—	534,279 Direct	+6.48%	Acquired	(price as of 2026-08-25)
Jan. 7, 2025	NSPR	A	14,836	—	—	91,743 Direct	+19.29%	Acquired	(price as of 2026-08-25)
May 28, 2024	NSPR	X	30,625	$1.38	$42,262	501,788 Direct	+6.50%	Acquired	-36.6% (price as of 2026-08-25)
May 28, 2024	NSPR	X	30,625	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-25)
Jan. 23, 2024	NSPR	A	29,032	—	—	471,163 Direct	+6.57%	Acquired	(price as of 2026-08-25)
Jan. 23, 2024	NSPR	A	11,098	—	—	76,907 Direct	+16.86%	Acquired	(price as of 2026-08-25)
Jan. 2, 2024	NSPR	A	3,229	—	—	442,131 Direct	+0.74%	Acquired	(price as of 2026-08-25)
Nov. 30, 2023	NSPR	P	50,000	$2.53	$126,500	438,902 Direct	+12.86%	Acquired	-65.4% (price as of 2026-08-25)
Oct. 2, 2023	NSPR	A	2,652	—	—	388,902 Direct	+0.69%	Acquired	(price as of 2026-08-25)
July 1, 2023	NSPR	A	3,445	—	—	386,250 Direct	+0.90%	Acquired	(price as of 2026-08-25)
May 17, 2023	NSPR	A	149,260	—	—	382,805 Direct	+63.91%	Acquired	(price as of 2026-08-25)
May 17, 2023	NSPR	A	49,750	—	—	65,809 Direct	+309.80%	Acquired	(price as of 2026-08-25)
May 12, 2023	NSPR	P	61,249	$1.63	$99,836	233,545 Direct	+35.55%	Acquired	-46.3% (price as of 2026-08-25)
May 12, 2023	NSPR	P	30,625	$1.63	$49,919	30,625 Direct	—	Acquired	-46.3% (price as of 2026-08-25)
May 12, 2023	NSPR	P	30,624	$1.63	$49,917	30,624 Direct	—	Acquired	-46.3% (price as of 2026-08-25)
May 12, 2023	NSPR	P	30,625	$1.63	$49,919	30,625 Direct	—	Acquired	-46.3% (price as of 2026-08-25)
May 12, 2023	NSPR	P	30,624	$1.63	$49,917	30,624 Direct	—	Acquired	-46.3% (price as of 2026-08-25)
April 1, 2023	NSPR	A	8,102	—	—	172,296 Direct	+4.93%	Acquired	(price as of 2026-08-25)
Aug. 18, 2022	NSPR	P	35,500	$1.91	$67,805	164,194 Direct	+27.58%	Acquired	-54.2% (price as of 2026-08-25)
Dec. 28, 2021	NSPR	P	16,393	$3.08	$50,490	128,694 Direct	+14.60%	Acquired	-71.6% (price as of 2026-08-25)
Nov. 17, 2021	NSPR	P	290	$3.77	$1,093	112,301 Direct	+0.26%	Acquired	-76.8% (price as of 2026-08-25)
Nov. 17, 2021	NSPR	P	25,640	$3.86	$98,970	112,011 Direct	+29.69%	Acquired	-77.3% (price as of 2026-08-25)
Oct. 13, 2021	NSPR	A	17,248	—	—	86,371 Direct	+24.95%	Acquired	(price as of 2026-08-25)
Oct. 13, 2021	NSPR	A	5,749	—	—	5,749 Direct	—	Acquired	(price as of 2026-08-25)
Aug. 25, 2021	NSPR	P	22,249	$4.19	$93,223	69,123 Direct	+47.47%	Acquired	-79.1% (price as of 2026-08-25)
April 19, 2021	NSPR	A	75,000	—	—	154,650 Direct	+94.16%	Acquired	(price as of 2026-08-25)
Feb. 8, 2021	NSPR	P	241,930	$0.62	$149,997	703,103 Direct	+52.46%	Acquired	-90.6% (price as of 2026-08-25)
Feb. 8, 2021	NSPR	P	120,965	$0.62	$74,998	343,188 Direct	+54.43%	Acquired	-90.6% (price as of 2026-08-25)
Oct. 16, 2020	NSPR	P	222,223	$0.45	$100,000	461,173 Direct	+93.00%	Acquired	-87.0% (price as of 2026-08-25)
Oct. 16, 2020	NSPR	P	222,223	$0.45	$100,000	222,223 Direct	—	Acquired	-87.0% (price as of 2026-08-25)

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
Jan. 7, 2025	NSPR	Options to purchase common stock (right to buy)	Common Stock (14,836)	$2.71	Jan. 7, 2035	14,836	Acquired
May 28, 2024	NSPR	Series H Warrant (right to buy)	Common Stock (30,625)	$1.38	June 26, 2024	30,625	Disposed
Jan. 23, 2024	NSPR	Options to purchase common stock (right to buy)	Common Stock (11,098)	$3.14	Jan. 23, 2034	11,098	Acquired
May 17, 2023	NSPR	Options to purchase common stock (right to buy)	Common Stock (49,750)	$1.76	May 17, 2033	49,750	Acquired
May 12, 2023	NSPR	Series H Warrants to purchase Common Stock	Common Stock (30,625)	$1.38	—	30,625	Acquired
May 12, 2023	NSPR	Series I Warrants to purchase Common Stock	Common Stock (30,624)	$1.38	—	30,624	Acquired
May 12, 2023	NSPR	Series J Warrants to purchase Common Stock	Common Stock (30,625)	$1.38	—	30,625	Acquired
May 12, 2023	NSPR	Series K Warrants to purchase Common Stock	Common Stock (30,624)	$1.38	—	30,624	Acquired
Oct. 13, 2021	NSPR	Options to purchase common stock (right to buy)	Common Stock (5,749)	$4.12	Oct. 13, 2031	5,749	Acquired
April 19, 2021	NSPR	Option to Purchase Common Stock	Common Stock (75,000)	$0.46	April 19, 2031	75,000	Acquired
Feb. 8, 2021	NSPR	Warrants	Common Stock	$0.68	Feb. 8, 2026	120,965	Acquired
Oct. 16, 2020	NSPR	Warrants	Common Stock	$0.50	Oct. 16, 2025	222,223	Acquired

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

Initial ownership (Form 3) 2 holdings

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

Date	Ticker	Security	Shares	Ownership
Oct. 16, 2020	NSPR	Common Stock	238,950	Direct
Oct. 16, 2020	NSPR	Option to Purchase Common Stock→ Common Stock (79,650)	79,650	Direct