Scott R Greer

Insider

First SEC filing: Aug. 11, 2015 · Latest: Jan. 17, 2025

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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 + 89 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

89 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Sept. 30, 2025	NKTR	A	8,000	—	—	8,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 19, 2023	NKTR	A	85,000	—	—	85,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 16, 2022	NKTR	A	20,400	—	—	20,400 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 16, 2022	NKTR	A	10,200	—	—	303,574 Direct	+3.48%	Acquired	(price as of 2026-08-20)
Nov. 9, 2021	NKTR	M	12,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 9, 2021	NKTR	M	12,500	$12.80	$160,000	293,374 Direct	+4.45%	Acquired	-61.0% (price as of 2026-08-20)
Sept. 22, 2021	NKTR	A	20,400	—	—	20,400 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 22, 2021	NKTR	A	10,200	—	—	280,874 Direct	+3.77%	Acquired	(price as of 2026-08-20)
Aug. 31, 2021	NKTR	M	45,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 31, 2021	NKTR	M	45,000	$12.70	$571,500	270,674 Direct	+19.94%	Acquired	-60.7% (price as of 2026-08-20)
May 10, 2021	INGN	A	2,754	—	—	30,775 Direct	+9.83%	Acquired	(price as of 2026-08-20)
Feb. 3, 2021	INGN	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 3, 2021	INGN	M	3,334	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 3, 2021	INGN	M	6,666	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 3, 2021	INGN	M	10,000	$44.19	$441,900	28,021 Direct	+55.49%	Acquired	-87.2% (price as of 2026-08-20)
Feb. 3, 2021	INGN	M	3,334	$43.21	$144,062	18,021 Direct	+22.70%	Acquired	-86.9% (price as of 2026-08-20)
Feb. 3, 2021	INGN	M	6,666	$46.66	$311,036	14,687 Direct	+83.11%	Acquired	-87.8% (price as of 2026-08-20)
Jan. 5, 2021	NKTR	M	40,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 5, 2021	NKTR	M	40,000	$13.80	$552,000	225,674 Direct	+21.54%	Acquired	-63.9% (price as of 2026-08-20)
Sept. 22, 2020	NKTR	A	18,200	—	—	18,200 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 22, 2020	NKTR	A	9,100	—	—	185,674 Direct	+5.15%	Acquired	(price as of 2026-08-20)
Sept. 22, 2020	NKTR	A	9,100	—	—	185,674 Direct	+5.15%	Acquired	(price as of 2026-08-20)
Sept. 22, 2020	NKTR	A	18,200	—	—	18,200 Direct	—	Acquired	(price as of 2026-08-20)
July 9, 2020	NKTR	M	40,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 9, 2020	NKTR	S 10b5-1	15,009	$25.00	$375,225	176,574 Direct	-7.83%	Disposed	-80.1% (price as of 2026-08-20)
July 9, 2020	NKTR	M	40,000	$9.24	$369,600	191,583 Direct	+26.39%	Acquired	-46.0% (price as of 2026-08-20)
May 11, 2020	INGN	A	4,540	—	—	8,021 Direct	+130.42%	Acquired	(price as of 2026-08-20)
Sept. 25, 2019	NKTR	A	13,000	—	—	13,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 25, 2019	NKTR	A	6,500	—	—	151,583 Direct	+4.48%	Acquired	(price as of 2026-08-20)
May 9, 2019	INGN	A	2,492	—	—	3,481 Direct	+251.97%	Acquired	(price as of 2026-08-20)
May 9, 2019	INGN	A	2,474	—	—	3,463 Direct	+250.15%	Acquired	(price as of 2026-08-20)
March 8, 2019	NKTR	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 8, 2019	NKTR	M	10,000	$5.14	$51,400	145,083 Direct	+7.40%	Acquired	-3.0% (price as of 2026-08-20)
Sept. 27, 2018	NKTR	A	9,500	—	—	9,500 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 27, 2018	NKTR	A	4,750	—	—	135,083 Direct	+3.64%	Acquired	(price as of 2026-08-20)
Sept. 4, 2018	NKTR	M	10,000	—	—	10,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Sept. 4, 2018	NKTR	S 10b5-1	10,000	$67.39	$673,900	130,333 Direct	-7.13%	Disposed	-92.6% (price as of 2026-08-20)
Sept. 4, 2018	NKTR	M	10,000	$5.14	$51,400	140,333 Direct	+7.67%	Acquired	-3.0% (price as of 2026-08-20)
June 6, 2018	NKTR	M	8,600	—	—	20,000 Direct	-30.07%	Disposed	(price as of 2026-08-20)
June 6, 2018	NKTR	S 10b5-1	8,600	$60.00	$516,000	130,333 Direct	-6.19%	Disposed	-91.7% (price as of 2026-08-20)
June 6, 2018	NKTR	M	8,600	$5.14	$44,204	138,933 Direct	+6.60%	Acquired	-3.0% (price as of 2026-08-20)
June 4, 2018	NKTR	M	1,400	—	—	28,600 Direct	-4.67%	Disposed	(price as of 2026-08-20)
June 4, 2018	NKTR	S 10b5-1	1,400	$61.99	$86,786	130,333 Direct	-1.06%	Disposed	-92.0% (price as of 2026-08-20)
June 4, 2018	NKTR	M	1,400	$5.14	$7,196	131,733 Direct	+1.07%	Acquired	-3.0% (price as of 2026-08-20)
May 10, 2018	INGN	A	989	—	—	989 Direct	—	Acquired	(price as of 2026-08-20)
April 6, 2018	NKTR	M	30,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 6, 2018	NKTR	S 10b5-1	30,000	$92.22	$2,766,600	130,333 Direct	-18.71%	Disposed	-94.6% (price as of 2026-08-20)
April 6, 2018	NKTR	M	30,000	$14.26	$427,800	160,333 Direct	+23.02%	Acquired	-65.0% (price as of 2026-08-20)
Sept. 19, 2017	NKTR	A	22,500	—	—	22,500 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 19, 2017	NKTR	A	9,000	—	—	130,333 Direct	+7.42%	Acquired	(price as of 2026-08-20)
May 11, 2017	INGN	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 24, 2016	NKTR	P	15,000	$13.50	$202,500	121,333 Direct	+14.11%	Acquired	-63.1% (price as of 2026-08-20)
Sept. 21, 2016	NKTR	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 21, 2016	NKTR	A	8,000	—	—	106,333 Direct	+8.14%	Acquired	(price as of 2026-08-20)
Sept. 15, 2016	NKTR	M	15,000	—	—	98,333 Direct	+18.00%	Acquired	(price as of 2026-08-20)
Sept. 15, 2016	NKTR	M	15,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 12, 2016	INGN	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 1, 2016	MBOT	A	146,342	—	—	290,183 Direct	+101.74%	Acquired	(price as of 2026-08-20)
Nov. 18, 2015	INGN	X	266	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 18, 2015	INGN	X	1,517	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 18, 2015	INGN	X	496	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 18, 2015	INGN	X	688	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 18, 2015	INGN	X	1,783	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 18, 2015	INGN	X	9,280	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 18, 2015	INGN	X	1,188	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 18, 2015	INGN	X	15,218	$0.30	$4,565	15,218 Indirect	—	Acquired	1790.0% (price as of 2026-08-20)
Oct. 15, 2015	NKTR	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 15, 2015	NKTR	M	22,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 15, 2015	NKTR	M	10,000	$11.34	$113,400	83,333 Direct	+13.64%	Acquired	-56.0% (price as of 2026-08-20)
Oct. 15, 2015	NKTR	M	22,500	$11.34	$255,150	73,333 Direct	+44.26%	Acquired	-56.0% (price as of 2026-08-20)
Oct. 14, 2015	INGN	A	3,334	—	—	3,334 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 15, 2015	NKTR	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 15, 2015	NKTR	A	12,500	—	—	12,500 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 24, 2015	INGN	A	6,666	—	—	6,666 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 1, 2015	MBOT	A	58,253	—	—	143,841 Direct	+68.06%	Acquired	(price as of 2026-08-20)
Sept. 23, 2014	NKTR	A	45,000	—	—	45,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 1, 2014	MBOT	A	44,588	—	—	85,588 Direct	+108.75%	Acquired	(price as of 2026-08-20)
Sept. 19, 2013	NKTR	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-20)
June 3, 2013	MBOT	A	10,000	—	—	41,000 Direct	+32.26%	Acquired	(price as of 2026-08-20)
Feb. 1, 2013	NKTR	M	7,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 1, 2013	NKTR	M	7,500	—	—	50,833 Direct	+17.31%	Acquired	(price as of 2026-08-20)
Sept. 14, 2012	NKTR	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-20)
June 3, 2012	MBOT	A	10,000	—	—	31,000 Direct	+47.62%	Acquired	(price as of 2026-08-20)
Sept. 13, 2011	NKTR	A	30,000	$5.14	$154,200	30,000 Direct	—	Acquired	-3.0% (price as of 2026-08-20)
June 3, 2011	MBOT	A	10,000	—	—	210,000 Direct	+5.00%	Acquired	(price as of 2026-08-20)
March 8, 2011	NKTR	M	3,333	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 8, 2011	NKTR	M	3,333	—	—	43,333 Direct	+8.33%	Acquired	(price as of 2026-08-20)
Sept. 14, 2010	NKTR	A	30,000	$14.26	$427,800	30,000 Direct	—	Acquired	-65.0% (price as of 2026-08-20)
Sept. 14, 2010	NKTR	A	30,000	$14.05	$421,500	30,000 Direct	—	Acquired	-64.5% (price as of 2026-08-20)
Sept. 14, 2010	NKTR	A	30,000	$14.05	$421,500	30,000 Direct	—	Acquired	-64.5% (price as of 2026-08-20)
Feb. 1, 2010	NKTR	A	3,333	$0.01	$33	10,833 Direct	+44.44%	Acquired	49770.2% (price as of 2026-08-20)
Feb. 1, 2010	NKTR	A	7,500	$0.01	$75	7,500 Direct	—	Acquired	49770.2% (price as of 2026-08-20)
Feb. 1, 2010	NKTR	A	10,000	$11.34	$113,400	32,500 Direct	+44.44%	Acquired	-56.0% (price as of 2026-08-20)
Feb. 1, 2010	NKTR	A	22,500	$11.34	$255,150	22,500 Direct	—	Acquired	-56.0% (price as of 2026-08-20)
May 20, 2004	ILMN	A	10,000	—	—	10,000 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.

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
Sept. 30, 2025	NKTR	Stock Option	Common Stock (8,000)	$56.90	Sept. 29, 2033	8,000	Acquired
Sept. 19, 2023	NKTR	Stock Option	Common Stock (85,000)	$0.68	Sept. 18, 2031	85,000	Acquired
Sept. 16, 2022	NKTR	Stock Option	Common Stock (20,400)	$3.47	Sept. 15, 2030	20,400	Acquired
Nov. 9, 2021	NKTR	Stock Option	Common Stock (12,500)	$12.80	Sept. 14, 2023	12,500	Disposed
Sept. 22, 2021	NKTR	Stock Option	Common Stock (20,400)	$17.78	Sept. 21, 2029	20,400	Acquired
Aug. 31, 2021	NKTR	Stock Option	Common Stock (45,000)	$12.70	Sept. 22, 2022	45,000	Disposed
Feb. 3, 2021	INGN	Stock Option (right to buy)	Common Stock (10,000)	$44.19	May 11, 2023	10,000	Disposed
Feb. 3, 2021	INGN	Stock Option (right to buy)	Common Stock (3,334)	$43.21	Oct. 13, 2022	3,334	Disposed
Feb. 3, 2021	INGN	Stock Option (right to buy)	Common Stock (6,666)	$46.66	Aug. 23, 2022	6,666	Disposed
Jan. 5, 2021	NKTR	Stock Option	Common Stock (40,000)	$13.80	Sept. 18, 2021	40,000	Disposed
Sept. 22, 2020	NKTR	Stock Option	Common Stock (18,200)	$19.90	Sept. 21, 2028	18,200	Acquired
Sept. 22, 2020	NKTR	Stock Option	Common Stock (18,200)	$18.91	Sept. 21, 2028	18,200	Acquired
July 9, 2020	NKTR	Stock Option [F1]	Common Stock (40,000)	$9.24	Sept. 13, 2020	40,000	Disposed
Sept. 25, 2019	NKTR	Stock Option	Common Stock (13,000)	$18.80	Sept. 24, 2027	13,000	Acquired
March 8, 2019	NKTR	Stock Option	Common Stock (10,000)	$5.14	Sept. 12, 2019	10,000	Disposed
Sept. 27, 2018	NKTR	Stock Option	Common Stock (9,500)	$60.91	Sept. 26, 2026	9,500	Acquired
Sept. 4, 2018	NKTR	Stock Option [F1]	Common Stock (10,000)	$5.14	Sept. 12, 2019	10,000	Disposed
June 6, 2018	NKTR	Stock Option [F1]	Common Stock (8,600)	$5.14	Sept. 12, 2019	8,600	Disposed
June 4, 2018	NKTR	Stock Option [F1]	Common Stock (1,400)	$5.14	Sept. 12, 2019	1,400	Disposed
April 6, 2018	NKTR	Stock Option [F1]	Common Stock (30,000)	$14.26	Sept. 14, 2018	30,000	Disposed
Sept. 19, 2017	NKTR	Stock Option	common stock (22,500)	$21.75	Sept. 18, 2025	22,500	Acquired
May 11, 2017	INGN	Stock Option (right to buy)	Common Stock (10,000)	$83.30	May 10, 2024	10,000	Acquired
Sept. 21, 2016	NKTR	Stock Option	Common Stock (20,000)	$19.15	Sept. 20, 2024	20,000	Acquired
Sept. 15, 2016	NKTR	Restricted Stock Unit	Common Stock (15,000)	—	—	15,000	Disposed
May 12, 2016	INGN	Stock Option (right to buy)	Common Stock (10,000)	$44.19	May 11, 2023	10,000	Acquired
Nov. 18, 2015	INGN	Warrant to Purchase Common Stock (Right to Buy)	Common Stock (266)	$0.30	April 20, 2017	266	Disposed
Nov. 18, 2015	INGN	Warrant to Purchase Common Stock (Right to Buy)	Common Stock (1,517)	$0.30	April 20, 2017	1,517	Disposed
Nov. 18, 2015	INGN	Warrant to Purchase Common Stock (Right to Buy)	Common Stock (496)	$0.30	July 17, 2017	496	Disposed
Nov. 18, 2015	INGN	Warrant to Purchase Common Stock (Right to Buy)	Common Stock (688)	$0.30	April 20, 2017	688	Disposed
Nov. 18, 2015	INGN	Warrant to Purchase Common Stock (Right to Buy)	Common Stock (1,783)	$0.30	May 29, 2017	1,783	Disposed
Nov. 18, 2015	INGN	Warrant to Purchase Common Stock (Right to Buy)	Common Stock (9,280)	$0.30	Oct. 5, 2017	9,280	Disposed
Nov. 18, 2015	INGN	Warrant to Purchase Common Stock (Right to Buy)	Common Stock (1,188)	$0.30	June 15, 2017	1,188	Disposed
Oct. 15, 2015	NKTR	Stock Option	Common Stock (10,000)	$11.34	Jan. 31, 2018	10,000	Disposed
Oct. 15, 2015	NKTR	Stock Option	Common Stock (22,500)	$11.34	Jan. 31, 2018	22,500	Disposed
Oct. 14, 2015	INGN	Stock Option (right to buy)	Common Stock (3,334)	$43.21	Oct. 13, 2022	3,334	Acquired
Sept. 15, 2015	NKTR	Restricted Stock Unit	Common Stock (15,000)	—	Sept. 14, 2023	15,000	Acquired
Sept. 15, 2015	NKTR	Stock Option	Common Stock (12,500)	$12.80	Sept. 14, 2023	12,500	Acquired
Aug. 24, 2015	INGN	Stock Option (right to buy)	Common Stock (6,666)	$46.66	Aug. 23, 2022	6,666	Acquired
Sept. 23, 2014	NKTR	Stock Option	Common Stock (45,000)	$12.70	Sept. 22, 2022	45,000	Acquired
Sept. 19, 2013	NKTR	Stock Option	Common Stock (40,000)	$13.80	Sept. 18, 2021	40,000	Acquired
Feb. 1, 2013	NKTR	Restricted Stock Unit	Common Stock (7,500)	—	—	7,500	Disposed
Sept. 14, 2012	NKTR	Stock Option	Common Stock (40,000)	$9.24	Sept. 13, 2020	40,000	Acquired
Sept. 13, 2011	NKTR	Stock Option [F1]	Common Stock (30,000)	$5.14	Sept. 12, 2019	30,000	Acquired
March 8, 2011	NKTR	Restricted Stock Unit	Common Stock (3,333)	—	March 8, 2011	3,333	Disposed
Sept. 14, 2010	NKTR	Stock Option [F1]	Common Stock (30,000)	$14.26	Sept. 14, 2018	30,000	Acquired
Sept. 14, 2010	NKTR	Stock Option [F1]	Common Stock (30,000)	$14.05	Sept. 14, 2018	30,000	Acquired
Sept. 14, 2010	NKTR	Stock Option [F1]	Common Stock (30,000)	$14.05	Sept. 14, 2018	30,000	Acquired
Feb. 1, 2010	NKTR	Restricted Stock Unit	Common Stock (3,333)	$0.01	—	3,333	Acquired
Feb. 1, 2010	NKTR	Restricted Stock Unit	Common Stock (7,500)	$0.01	—	7,500	Acquired
Feb. 1, 2010	NKTR	Stock Option	Common Stock (10,000)	$11.34	Feb. 1, 2018	10,000	Acquired
Feb. 1, 2010	NKTR	Stock Option	Common Stock (22,500)	$11.34	Feb. 1, 2018	22,500	Acquired
May 20, 2004	ILMN	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$6.48	May 20, 2014	10,000	Acquired

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

Initial ownership (Form 3) 10 holdings

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

Date	Ticker	Security	Shares	Ownership
Aug. 11, 2015	INGN	Common Stock	14,485	Indirect
Aug. 11, 2015	INGN	Common Stock Warrant (right to buy)→ Common Stock (1,517)	1,517	Indirect
Aug. 11, 2015	INGN	Common Stock Warrant (right to buy)→ Common Stock (688)	688	Indirect
Aug. 11, 2015	INGN	Common Stock Warrant (right to buy)→ Common Stock (266)	266	Indirect
Aug. 11, 2015	INGN	Common Stock Warrant (right to buy)→ Common Stock (1,783)	1,783	Indirect
Aug. 11, 2015	INGN	Common Stock Warrant (right to buy)→ Common Stock (1,188)	1,188	Indirect
Aug. 11, 2015	INGN	Common Stock Warrant (right to buy)→ Common Stock (496)	496	Indirect
Aug. 11, 2015	INGN	Common Stock Warrant (right to buy)→ Common Stock (9,280)	9,280	Indirect
June 10, 2010	MBOT	Common Stock	200,000	Direct
Feb. 3, 2010	NKTR	Common Stock	40,000	Direct