Gregory Kenausis

Insider

First SEC filing: Nov. 5, 2013 · Latest: Feb. 13, 2015

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

PLUG selling Dec. 28, 2020

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 83 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

83 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 1, 2026	PLUG	A	3,980	$2.71	$10,786	514,412 Direct	+0.78%	Acquired	-17.0% (price as of 2026-08-20)
June 11, 2026	PLUG	A	39,753	—	—	39,753 Direct	—	Acquired	(price as of 2026-08-20)
June 11, 2026	PLUG	A	39,753	—	—	510,432 Direct	+8.45%	Acquired	(price as of 2026-08-20)
April 1, 2026	PLUG	A	8,712	$2.26	$19,689	470,679 Direct	+1.89%	Acquired	-0.4% (price as of 2026-08-20)
Jan. 2, 2026	PLUG	A	9,994	$1.97	$19,688	461,967 Direct	+2.21%	Acquired	14.2% (price as of 2026-08-20)
Oct. 1, 2025	PLUG	A	8,450	$2.33	$19,688	451,973 Direct	+1.91%	Acquired	-3.4% (price as of 2026-08-20)
July 3, 2025	PLUG	A	76,531	—	—	76,531 Direct	—	Acquired	(price as of 2026-08-20)
July 3, 2025	PLUG	A	76,531	—	—	443,523 Direct	+20.85%	Acquired	(price as of 2026-08-20)
July 1, 2025	PLUG	A	13,213	$1.49	$19,687	366,992 Direct	+3.73%	Acquired	51.0% (price as of 2026-08-20)
April 1, 2025	PLUG	A	14,584	$1.35	$19,688	353,779 Direct	+4.30%	Acquired	66.7% (price as of 2026-08-20)
Jan. 2, 2025	PLUG	A	9,243	$2.13	$19,688	339,195 Direct	+2.80%	Acquired	5.6% (price as of 2026-08-20)
Oct. 1, 2024	PLUG	A	8,712	$2.26	$19,689	329,952 Direct	+2.71%	Acquired	-0.4% (price as of 2026-08-20)
July 1, 2024	PLUG	A	8,450	$2.33	$19,688	321,240 Direct	+2.70%	Acquired	-3.4% (price as of 2026-08-20)
June 5, 2024	PLUG	A	37,375	—	—	37,375 Direct	—	Acquired	(price as of 2026-08-20)
June 5, 2024	PLUG	A	37,375	—	—	312,790 Direct	+13.57%	Acquired	(price as of 2026-08-20)
April 1, 2024	PLUG	A	5,723	$3.44	$19,687	275,415 Direct	+2.12%	Acquired	-34.6% (price as of 2026-08-20)
Jan. 2, 2024	PLUG	A	3,792	$4.50	$17,064	269,692 Direct	+1.43%	Acquired	-50.0% (price as of 2026-08-20)
Oct. 23, 2023	PLUG	M	14,621	—	—	15,000 Direct	-49.36%	Disposed	(price as of 2026-08-20)
Oct. 23, 2023	PLUG	M	14,343	—	—	15,000 Direct	-48.88%	Disposed	(price as of 2026-08-20)
Oct. 23, 2023	PLUG	M	30,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 23, 2023	PLUG	M	20,000	—	—	10,000 Direct	-66.67%	Disposed	(price as of 2026-08-20)
Oct. 23, 2023	PLUG	M	65,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 23, 2023	PLUG	M	14,621	$2.11	$30,850	265,900 Direct	+5.82%	Acquired	6.6% (price as of 2026-08-20)
Oct. 23, 2023	PLUG	M	14,343	$2.13	$30,551	251,279 Direct	+6.05%	Acquired	5.6% (price as of 2026-08-20)
Oct. 23, 2023	PLUG	M	30,000	$1.76	$52,800	236,936 Direct	+14.50%	Acquired	27.8% (price as of 2026-08-20)
Oct. 23, 2023	PLUG	M	20,000	$2.62	$52,400	206,936 Direct	+10.70%	Acquired	-14.1% (price as of 2026-08-20)
Oct. 23, 2023	PLUG	M	65,000	$0.57	$37,050	186,936 Direct	+53.31%	Acquired	294.7% (price as of 2026-08-20)
Oct. 2, 2023	PLUG	A	2,245	$7.60	$17,062	121,936 Direct	+1.88%	Acquired	-70.4% (price as of 2026-08-20)
July 3, 2023	PLUG	A	1,642	$10.39	$17,060	119,691 Direct	+1.39%	Acquired	-78.3% (price as of 2026-08-20)
June 27, 2023	PLUG	A	12,149	—	—	12,149 Direct	—	Acquired	(price as of 2026-08-20)
June 27, 2023	PLUG	A	12,149	—	—	118,049 Direct	+11.47%	Acquired	(price as of 2026-08-20)
April 3, 2023	PLUG	A	1,570	$11.72	$18,400	105,900 Direct	+1.50%	Acquired	-80.8% (price as of 2026-08-20)
Jan. 3, 2023	PLUG	A	985	$12.37	$12,184	104,330 Direct	+0.95%	Acquired	-81.8% (price as of 2026-08-20)
Oct. 3, 2022	PLUG	A	446	$21.01	$9,370	103,345 Direct	+0.43%	Acquired	-89.3% (price as of 2026-08-20)
July 1, 2022	PLUG	A	571	$16.57	$9,461	96,110 Direct	+0.60%	Acquired	-86.4% (price as of 2026-08-20)
June 30, 2022	PLUG	A	6,789	—	—	6,789 Direct	—	Acquired	(price as of 2026-08-20)
June 30, 2022	PLUG	A	6,789	—	—	102,899 Direct	+7.06%	Acquired	(price as of 2026-08-20)
April 1, 2022	PLUG	A	350	$28.61	$10,014	95,539 Direct	+0.37%	Acquired	-92.1% (price as of 2026-08-20)
Jan. 3, 2022	PLUG	A	354	$28.23	$9,993	95,189 Direct	+0.37%	Acquired	-92.0% (price as of 2026-08-20)
Oct. 1, 2021	PLUG	A	392	$25.54	$10,012	94,835 Direct	+0.42%	Acquired	-91.2% (price as of 2026-08-20)
Aug. 16, 2021	PLUG	A	4,482	—	—	4,482 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 16, 2021	PLUG	A	4,482	—	—	94,443 Direct	+4.98%	Acquired	(price as of 2026-08-20)
July 15, 2021	PLUG	A	279	$35.84	$9,999	89,669 Direct	+0.31%	Acquired	-93.7% (price as of 2026-08-20)
July 15, 2021	PLUG	A	292	$34.19	$9,983	89,961 Direct	+0.33%	Acquired	-93.4% (price as of 2026-08-20)
Jan. 4, 2021	PLUG	A	221	—	—	89,390 Direct	+0.25%	Acquired	(price as of 2026-08-20)
Dec. 28, 2020	PLUG	S 10b5-1	3,200	$37.05	$118,560	89,169 Direct	-3.46%	Disposed	-93.9% (price as of 2026-08-20)
Dec. 28, 2020	PLUG	S 10b5-1	5,246	$36.16	$189,695	92,369 Direct	-5.37%	Disposed	-93.8% (price as of 2026-08-20)
Dec. 28, 2020	PLUG	S 10b5-1	16,238	$35.08	$569,629	97,615 Direct	-14.26%	Disposed	-93.6% (price as of 2026-08-20)
Dec. 28, 2020	PLUG	S 10b5-1	30,316	$33.91	$1,028,016	113,853 Direct	-21.03%	Disposed	-93.4% (price as of 2026-08-20)
Oct. 12, 2020	PLUG	S 10b5-1	12,500	$18.47	$230,875	144,169 Direct	-7.98%	Disposed	-87.8% (price as of 2026-08-20)
Oct. 12, 2020	PLUG	S 10b5-1	47,500	$17.71	$841,225	156,669 Direct	-23.27%	Disposed	-87.3% (price as of 2026-08-20)
Oct. 1, 2020	PLUG	A	559	—	—	204,169 Direct	+0.27%	Acquired	(price as of 2026-08-20)
July 1, 2020	PLUG	A	914	—	—	203,610 Direct	+0.45%	Acquired	(price as of 2026-08-20)
June 5, 2020	PLUG	A	12,807	—	—	12,807 Direct	—	Acquired	(price as of 2026-08-20)
June 5, 2020	PLUG	A	12,807	—	—	202,696 Direct	+6.74%	Acquired	(price as of 2026-08-20)
April 1, 2020	PLUG	A	2,119	$3.54	$7,501	189,889 Direct	+1.13%	Acquired	-36.4% (price as of 2026-08-20)
Jan. 2, 2020	PLUG	A	2,373	$3.16	$7,499	187,770 Direct	+1.28%	Acquired	-28.8% (price as of 2026-08-20)
Oct. 1, 2019	PLUG	A	2,852	$2.63	$7,501	185,397 Direct	+1.56%	Acquired	-14.4% (price as of 2026-08-20)
July 1, 2019	PLUG	A	4,325	$2.25	$9,731	182,545 Direct	+2.43%	Acquired	0.0% (price as of 2026-08-20)
May 9, 2019	PLUG	A	27,056	—	—	27,056 Direct	—	Acquired	(price as of 2026-08-20)
May 9, 2019	PLUG	A	27,056	$2.31	$62,499	178,220 Direct	+17.90%	Acquired	-2.6% (price as of 2026-08-20)
April 1, 2019	PLUG	A	4,010	$2.40	$9,624	151,164 Direct	+2.73%	Acquired	-6.2% (price as of 2026-08-20)
Jan. 2, 2019	PLUG	A	7,762	$1.24	$9,625	147,154 Direct	+5.57%	Acquired	81.5% (price as of 2026-08-20)
Oct. 1, 2018	PLUG	A	5,013	$1.92	$9,625	139,392 Direct	+3.73%	Acquired	17.2% (price as of 2026-08-20)
July 2, 2018	PLUG	A	4,765	$2.02	$9,625	134,379 Direct	+3.68%	Acquired	11.4% (price as of 2026-08-20)
May 16, 2018	PLUG	A	29,621	$2.11	$62,500	129,614 Direct	+29.62%	Acquired	6.6% (price as of 2026-08-20)
May 16, 2018	PLUG	A	29,621	—	—	29,621 Direct	—	Acquired	(price as of 2026-08-20)
April 2, 2018	PLUG	A	5,093	$1.89	$9,626	99,993 Direct	+5.37%	Acquired	19.0% (price as of 2026-08-20)
Jan. 2, 2018	PLUG	A	4,078	$2.36	$9,624	94,900 Direct	+4.49%	Acquired	-4.7% (price as of 2026-08-20)
Oct. 2, 2017	PLUG	A	3,688	$2.61	$9,626	90,822 Direct	+4.23%	Acquired	-13.8% (price as of 2026-08-20)
July 3, 2017	PLUG	A	4,718	$2.04	$9,625	87,134 Direct	+5.72%	Acquired	10.3% (price as of 2026-08-20)
June 28, 2017	PLUG	A	29,343	—	—	29,343 Direct	—	Acquired	(price as of 2026-08-20)
June 28, 2017	PLUG	A	29,343	$2.13	$62,501	82,416 Direct	+55.29%	Acquired	5.6% (price as of 2026-08-20)
April 3, 2017	PLUG	A	6,975	$1.38	$9,626	53,073 Direct	+15.13%	Acquired	63.0% (price as of 2026-08-20)
Jan. 3, 2017	PLUG	A	8,021	$1.20	$9,625	46,098 Direct	+21.07%	Acquired	87.5% (price as of 2026-08-20)
Oct. 3, 2016	PLUG	A	5,629	$1.71	$9,626	38,077 Direct	+17.35%	Acquired	31.6% (price as of 2026-08-20)
July 1, 2016	PLUG	A	5,175	$1.86	$9,626	32,448 Direct	+18.97%	Acquired	21.0% (price as of 2026-08-20)
May 18, 2016	PLUG	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-20)
April 1, 2016	PLUG	A	4,695	$2.05	$9,625	27,273 Direct	+20.79%	Acquired	9.8% (price as of 2026-08-20)
Jan. 14, 2016	PLUG	A	4,583	$2.10	$9,624	22,578 Direct	+25.47%	Acquired	7.1% (price as of 2026-08-20)
Oct. 1, 2015	PLUG	A	5,120	$1.88	$9,626	17,995 Direct	+39.77%	Acquired	19.7% (price as of 2026-08-20)
July 17, 2015	PLUG	A	2,926	$2.35	$6,876	12,875 Direct	+29.41%	Acquired	-4.3% (price as of 2026-08-20)
May 21, 2015	PLUG	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-20)
April 2, 2015	PLUG	A	2,728	$2.52	$6,875	9,949 Direct	+37.78%	Acquired	-10.7% (price as of 2026-08-20)
Jan. 2, 2015	PLUG	A	2,307	$2.98	$6,875	7,221 Direct	+46.95%	Acquired	-24.5% (price as of 2026-08-20)
July 1, 2014	PLUG	A	1,059	$4.72	$4,998	3,355 Direct	+46.12%	Acquired	-52.3% (price as of 2026-08-20)
April 1, 2014	PLUG	A	663	$7.54	$4,999	2,296 Direct	+40.60%	Acquired	-70.2% (price as of 2026-08-20)
Jan. 2, 2014	PLUG	A	1,633	$2.33	$3,805	1,633 Direct	—	Acquired	-3.4% (price as of 2026-08-20)
Oct. 23, 2013	PLUG	A	65,000	—	—	65,000 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
June 11, 2026	PLUG	Stock Option (Right to Buy) [F2]	Common Stock (39,753)	$2.83	June 11, 2036	39,753	Acquired
July 3, 2025	PLUG	Stock Option (Right to Buy) [F2]	Common Stock (76,531)	$1.47	July 3, 2035	76,531	Acquired
June 5, 2024	PLUG	Stock Option (Right to Buy) [F2]	Common Stock (37,375)	$3.01	June 5, 2034	37,375	Acquired
Oct. 23, 2023	PLUG	Stock Option (Right to Buy)	Common Stock (14,621)	$2.11	May 16, 2028	14,621	Disposed
Oct. 23, 2023	PLUG	Stock Option (Right to Buy)	Common Stock (14,343)	$2.13	June 28, 2027	14,343	Disposed
Oct. 23, 2023	PLUG	Stock Option (Right to Buy)	Common Stock (30,000)	$1.76	May 18, 2026	30,000	Disposed
Oct. 23, 2023	PLUG	Stock Option (Right to Buy)	Common Stock (20,000)	$2.62	May 21, 2025	20,000	Disposed
Oct. 23, 2023	PLUG	Stock Option (Right to Buy)	Common Stock (65,000)	$0.57	Oct. 23, 2023	65,000	Disposed
June 27, 2023	PLUG	Stock Option (Right to Buy) [F2]	Common Stock (12,149)	$9.26	June 27, 2033	12,149	Acquired
June 30, 2022	PLUG	Stock Option (Right to Buy) [F2]	Common Stock (6,789)	$16.57	June 30, 2032	6,789	Acquired
Aug. 16, 2021	PLUG	Stock Option (Right to Buy) [F2]	Common Stock (4,482)	$25.10	Aug. 16, 2031	4,482	Acquired
June 5, 2020	PLUG	Stock Option (right to buy)	Common Stock (12,807)	$4.88	June 5, 2030	12,807	Acquired
May 9, 2019	PLUG	Stock Option (right to buy) [F2]	Common Stock (27,056)	$2.31	May 9, 2029	27,056	Acquired
May 16, 2018	PLUG	Common Stock Options [F2]	Common Stock (29,621)	$2.11	May 16, 2028	29,621	Acquired
June 28, 2017	PLUG	Common Stock Options [F2]	Common Stock (29,343)	$2.13	June 28, 2027	29,343	Acquired
May 18, 2016	PLUG	Option to Purchase	Common Stock (30,000)	$1.76	May 18, 2026	30,000	Acquired
May 21, 2015	PLUG	Option to Purchase	Common Stock (30,000)	$2.62	May 21, 2025	30,000	Acquired
Oct. 23, 2013	PLUG	Option to Purchase Common Stock [F1,F2]	Common Stock (65,000)	$0.57	Oct. 23, 2023	65,000	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
Nov. 5, 2013	PLUG	No Securities are Beneficially Owned [F1]	0	Direct