Steve Elms

Insider

First SEC filing: Aug. 8, 2019 · Latest: Feb. 12, 2021

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

Insider transactions

2 buys (P) 0 sells (S) Net: $217,420 + 52 non-open-market transactions below Avg return of open purchases vs now: -36.2% 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

52 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 6, 2026	ADMA	P	7,000	$15.39	$107,730	2,045,730 Indirect	+0.34%	Acquired	-35.6% (price as of 2026-08-20)
March 5, 2026	ADMA	P	7,000	$15.67	$109,690	2,038,730 Indirect	+0.34%	Acquired	-36.7% (price as of 2026-08-20)
Feb. 9, 2026	ADMA	A	17,730	—	—	17,730 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 9, 2026	ADMA	A	10,690	—	—	98,020 Direct	+12.24%	Acquired	(price as of 2026-08-20)
Nov. 17, 2025	MRKR	A	137,330	—	—	137,330 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 17, 2025	MRKR	A	84,411	—	—	84,411 Direct	—	Acquired	(price as of 2026-08-20)
June 16, 2025	ADMA	S	194,749	$20.24	$3,941,720	87,330 Direct	-69.04%	Disposed	-51.0% (price as of 2026-08-20)
June 13, 2025	ADMA	M	37,541	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 13, 2025	ADMA	M	51,630	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 13, 2025	ADMA	M	53,172	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 13, 2025	ADMA	M	55,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 13, 2025	ADMA	M	15,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 13, 2025	ADMA	M	30,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 13, 2025	ADMA	M	17,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 13, 2025	ADMA	M	53,837	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 13, 2025	ADMA	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 13, 2025	ADMA	M	9,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 13, 2025	ADMA	S	137,931	$20.82	$2,871,723	282,079 Direct	-32.84%	Disposed	-52.4% (price as of 2026-08-20)
June 13, 2025	ADMA	M	37,541	$5.40	$202,721	420,010 Direct	+9.82%	Acquired	83.6% (price as of 2026-08-20)
June 13, 2025	ADMA	M	51,630	$3.35	$172,960	382,469 Direct	+15.61%	Acquired	196.0% (price as of 2026-08-20)
June 13, 2025	ADMA	M	53,172	$1.67	$88,797	330,839 Direct	+19.15%	Acquired	493.7% (price as of 2026-08-20)
June 13, 2025	ADMA	M	55,000	$2.35	$129,250	277,667 Direct	+24.70%	Acquired	321.9% (price as of 2026-08-20)
June 13, 2025	ADMA	M	15,000	$2.92	$43,800	222,667 Direct	+7.22%	Acquired	239.6% (price as of 2026-08-20)
June 13, 2025	ADMA	M	30,000	$3.89	$116,700	207,667 Direct	+16.89%	Acquired	154.9% (price as of 2026-08-20)
June 13, 2025	ADMA	M	17,500	$4.91	$85,925	177,667 Direct	+10.93%	Acquired	101.9% (price as of 2026-08-20)
June 13, 2025	ADMA	M	53,837	$3.66	$197,043	160,167 Direct	+50.63%	Acquired	170.9% (price as of 2026-08-20)
June 13, 2025	ADMA	M	10,000	$5.00	$50,000	106,330 Direct	+10.38%	Acquired	98.3% (price as of 2026-08-20)
June 13, 2025	ADMA	M	9,000	$5.96	$53,640	96,330 Direct	+10.31%	Acquired	66.4% (price as of 2026-08-20)
June 12, 2025	ADMA	S	92,941	$21.69	$2,015,890	2,031,730 Indirect	-4.37%	Disposed	-54.3% (price as of 2026-08-20)
Feb. 19, 2025	ADMA	A	16,279	—	—	16,279 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 19, 2025	ADMA	A	10,889	—	—	87,330 Direct	+14.24%	Acquired	(price as of 2026-08-20)
Feb. 12, 2025	MRKR	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 23, 2024	MRKR	P	11,085	$3.20	$35,472	325,370 Indirect	+3.53%	Acquired	-61.9% (price as of 2026-08-20)
Nov. 27, 2024	ADMA	M	9,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 27, 2024	ADMA	M	9,000	$10.80	$97,200	2,124,671 Indirect	+0.43%	Acquired	-8.2% (price as of 2026-08-20)
March 19, 2024	ADMA	S	411,829	$6.08	$2,503,920	2,115,671 Indirect	-16.29%	Disposed	63.1% (price as of 2026-08-20)
March 18, 2024	ADMA	S	49,887	$6.01	$299,821	2,527,500 Indirect	-1.94%	Disposed	65.0% (price as of 2026-08-20)
March 15, 2024	ADMA	S	183,008	$6.01	$1,099,878	2,577,387 Indirect	-6.63%	Disposed	65.0% (price as of 2026-08-20)
March 14, 2024	ADMA	S	448,276	$6.05	$2,712,070	2,760,395 Indirect	-13.97%	Disposed	63.9% (price as of 2026-08-20)
March 13, 2024	ADMA	S	407,000	$6.21	$2,527,470	3,208,671 Indirect	-11.26%	Disposed	59.7% (price as of 2026-08-20)
Feb. 26, 2024	ADMA	A	37,541	—	—	37,541 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 26, 2024	ADMA	A	24,040	—	—	76,441 Direct	+45.88%	Acquired	(price as of 2026-08-20)
June 6, 2023	MRKR	A	8,000	—	—	8,000 Direct	—	Acquired	(price as of 2026-08-20)
March 6, 2023	ADMA	A	51,630	—	—	51,630 Direct	—	Acquired	(price as of 2026-08-20)
March 6, 2023	ADMA	A	25,815	—	—	52,401 Direct	+97.10%	Acquired	(price as of 2026-08-20)
May 24, 2022	MRKR	A	80,000	—	—	80,000 Direct	—	Acquired	(price as of 2026-08-20)
March 7, 2022	ADMA	A	53,172	—	—	53,172 Direct	—	Acquired	(price as of 2026-08-20)
March 7, 2022	ADMA	A	26,586	—	—	26,586 Direct	—	Acquired	(price as of 2026-08-20)
June 8, 2021	MRKR	A	12,658	—	—	29,680 Direct	+74.36%	Acquired	(price as of 2026-08-20)
March 16, 2021	MRKR	P	1,142,857	$1.75	$2,000,000	3,142,857 Indirect	+57.14%	Acquired	-93.0% (price as of 2026-08-20)
Feb. 25, 2021	ADMA	A	55,000	—	—	55,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 28, 2020	ADMA	A	7,500	—	—	7,500 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 28, 2020	ADMA	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 28, 2020	ADMA	A	7,500	—	—	7,500 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 6, 2019	MRKR	A	12,500	—	—	12,500 Direct	—	Acquired	(price as of 2026-08-20)
March 13, 2019	ADMA	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-20)
June 22, 2018	ADMA	A	17,500	—	—	17,500 Direct	—	Acquired	(price as of 2026-08-20)
June 6, 2017	ADMA	A	53,837	—	—	53,837 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 14, 2017	ADMA	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 28, 2016	ADMA	A	9,000	—	—	9,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 30, 2015	ADMA	A	9,000	—	—	9,000 Direct	—	Acquired	(price as of 2026-08-20)
June 19, 2014	ADMA	A	9,000	—	—	9,000 Direct	—	Acquired	(price as of 2026-08-20)
April 4, 2012	ADMA	A	13,258	—	—	13,258 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 13, 2012	ADMA	A	2,516,855	—	—	2,516,855 Indirect	—	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
Feb. 9, 2026	ADMA	Stock Option (Right to Buy)	Common Stock (17,730)	$16.37	Feb. 9, 2036	17,730	Acquired
Nov. 17, 2025	MRKR	Stock Option (right to buy)	Common Stock (137,330)	$0.95	Nov. 17, 2035	137,330	Acquired
Nov. 17, 2025	MRKR	Stock Option (right to buy)	Common Stock (84,411)	$0.95	Nov. 17, 2035	84,411	Acquired
June 13, 2025	ADMA	Stock Option (Right to Buy)	Common Stock (37,541)	$5.40	Feb. 26, 2034	37,541	Disposed
June 13, 2025	ADMA	Stock Option (Right to Buy)	Common Stock (51,630)	$3.35	March 6, 2033	51,630	Disposed
June 13, 2025	ADMA	Stock Option (Right to Buy)	Common Stock (53,172)	$1.67	March 7, 2032	53,172	Disposed
June 13, 2025	ADMA	Stock Option (Right to Buy)	Common Stock (55,000)	$2.35	Feb. 25, 2031	55,000	Disposed
June 13, 2025	ADMA	Stock Option (Right to Buy)	Common Stock (15,000)	$2.92	Feb. 28, 2030	15,000	Disposed
June 13, 2025	ADMA	Stock Option (Right to Buy)	Common Stock (30,000)	$3.89	March 13, 2029	30,000	Disposed
June 13, 2025	ADMA	Stock Option (Right to Buy)	Common Stock (17,500)	$4.91	June 22, 2028	17,500	Disposed
June 13, 2025	ADMA	Stock Option (Right to Buy)	Common Stock (53,837)	$3.66	June 6, 2027	53,837	Disposed
June 13, 2025	ADMA	Stock Option (Right to Buy)	Common Stock (10,000)	$5.00	Feb. 14, 2027	10,000	Disposed
June 13, 2025	ADMA	Stock Option (Right to Buy)	Common Stock (9,000)	$5.96	Jan. 28, 2026	9,000	Disposed
Feb. 19, 2025	ADMA	Stock Option (Right to Buy)	Common Stock (16,279)	$16.07	Feb. 19, 2035	16,279	Acquired
Feb. 12, 2025	MRKR	Stock Option (right to buy)	Common Stock (30,000)	$1.59	Feb. 12, 2035	30,000	Acquired
Nov. 27, 2024	ADMA	Stock Option (Right to Buy)	Common Stock (9,000)	$10.80	Jan. 30, 2025	9,000	Disposed
Feb. 26, 2024	ADMA	Stock Option (right to buy)	Common Stock (37,541)	$5.40	March 26, 2034	37,541	Acquired
June 6, 2023	MRKR	Stock Option (right to buy)	Common Stock (8,000)	$1.72	June 5, 2033	8,000	Acquired
March 6, 2023	ADMA	Employee Stock Option (right to buy)	Common Stock (51,630)	$3.35	March 6, 2033	51,630	Acquired
May 24, 2022	MRKR	Stock Option (Right to Buy)	Common Stock (80,000)	$0.34	May 23, 2032	80,000	Acquired
March 7, 2022	ADMA	Employee Stock Option (right to buy)	Common Stock (53,172)	$1.67	March 7, 2032	53,172	Acquired
Feb. 25, 2021	ADMA	Stock Option (right to buy)	Common Stock (55,000)	$2.35	Feb. 25, 2031	55,000	Acquired
Feb. 28, 2020	ADMA	Employee Stock Option (right to buy)	Common Stock (15,000)	$2.92	Feb. 28, 2030	15,000	Acquired
Aug. 6, 2019	MRKR	Stock Option (right to buy)	Common Stock (12,500)	$4.21	Aug. 6, 2029	12,500	Acquired
March 13, 2019	ADMA	Stock Option (right to buy)	Common Stock (30,000)	$3.89	March 13, 2029	30,000	Acquired
June 22, 2018	ADMA	Stock Option (right to buy)	Common Stock (17,500)	$4.91	June 22, 2028	17,500	Acquired
June 6, 2017	ADMA	Stock Option (right to buy)	Common Stock (53,837)	$3.66	June 6, 2027	53,837	Acquired
Feb. 14, 2017	ADMA	Stock Option (right to buy)	Common Stock (10,000)	$5.00	Feb. 14, 2027	10,000	Acquired
Jan. 28, 2016	ADMA	Options to purchase	Common Stock (9,000)	—	Jan. 28, 2026	9,000	Acquired
Jan. 30, 2015	ADMA	Options to purchase	Common Stock (9,000)	—	Jan. 30, 2025	9,000	Acquired
June 19, 2014	ADMA	Options to purchase	Common Stock (9,000)	—	June 18, 2024	9,000	Acquired
April 4, 2012	ADMA	Stock Option	Common Stock (13,258)	$9.60	April 3, 2022	13,258	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
Aug. 8, 2019	MRKR	Common Stock	2,000,000	Indirect
Aug. 8, 2019	MRKR	Warrant (right to buy)→ Common Stock (1,500,000)	1,500,000	Indirect