Leonardus H.T. Van Der Ploeg

Insider

First SEC filing: Oct. 4, 2017 · Latest: Oct. 4, 2017

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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

RYTM selling May 31, 2019

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 21 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

21 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 31, 2019	RYTM	M	5,000	—	—	8,611 Direct	+138.47%	Acquired	(price as of 2026-08-21)
May 31, 2019	RYTM	S	5,000	$25.10	$125,500	42,339 Direct	-10.56%	Disposed	337.4% (price as of 2026-08-21)
May 31, 2019	RYTM	M	5,000	$4.59	$22,950	47,339 Direct	+11.81%	Acquired	2291.9% (price as of 2026-08-21)
May 30, 2019	RYTM	M	5,000	—	—	13,611 Direct	+58.07%	Acquired	(price as of 2026-08-21)
May 30, 2019	RYTM	S	5,000	$25.31	$126,550	42,339 Direct	-10.56%	Disposed	333.8% (price as of 2026-08-21)
May 30, 2019	RYTM	M	5,000	$4.59	$22,950	47,339 Direct	+11.81%	Acquired	2291.9% (price as of 2026-08-21)
May 29, 2019	RYTM	S	5,000	$25.51	$127,550	42,339 Direct	-10.56%	Disposed	330.4% (price as of 2026-08-21)
May 29, 2019	RYTM	M	5,000	—	—	18,611 Direct	+36.73%	Acquired	(price as of 2026-08-21)
May 29, 2019	RYTM	M	5,000	$4.59	$22,950	47,339 Direct	+11.81%	Acquired	2291.9% (price as of 2026-08-21)
May 28, 2019	RYTM	M	9,860	$4.59	$45,257	52,199 Direct	+23.29%	Acquired	2291.9% (price as of 2026-08-21)
May 28, 2019	RYTM	M	140	$6.14	$860	52,339 Direct	+0.27%	Acquired	1688.1% (price as of 2026-08-21)
May 28, 2019	RYTM	S	10,000	$25.38	$253,800	42,339 Direct	-19.11%	Disposed	332.6% (price as of 2026-08-21)
May 28, 2019	RYTM	M	9,860	—	—	23,611 Direct	+71.70%	Acquired	(price as of 2026-08-21)
May 28, 2019	RYTM	M	140	—	—	55,290 Direct	+0.25%	Acquired	(price as of 2026-08-21)
Feb. 13, 2019	RYTM	A	70,000	—	—	70,000 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 16, 2019	RYTM	S 10b5-1	200	$30.00	$6,000	42,339 Direct	-0.47%	Disposed	266.0% (price as of 2026-08-21)
Nov. 2, 2018	RYTM	M	10,000	—	—	30,894 Direct	-24.45%	Disposed	(price as of 2026-08-21)
Nov. 2, 2018	RYTM	M	10,000	—	—	55,430 Direct	-15.28%	Disposed	(price as of 2026-08-21)
Nov. 2, 2018	RYTM	M	8,200	—	—	33,471 Direct	-19.68%	Disposed	(price as of 2026-08-21)
Nov. 2, 2018	RYTM	S 10b5-1	38,000	$30.09	$1,143,420	42,539 Direct	-47.18%	Disposed	264.9% (price as of 2026-08-21)
Nov. 2, 2018	RYTM	M	10,000	$7.52	$75,200	80,539 Direct	+14.18%	Acquired	1360.0% (price as of 2026-08-21)
Nov. 2, 2018	RYTM	M	10,000	$6.14	$61,400	70,539 Direct	+16.52%	Acquired	1688.1% (price as of 2026-08-21)
Nov. 2, 2018	RYTM	M	8,200	$4.59	$37,638	60,539 Direct	+15.67%	Acquired	2291.9% (price as of 2026-08-21)
Sept. 25, 2018	RYTM	M	21,800	—	—	41,671 Direct	-34.35%	Disposed	(price as of 2026-08-21)
Sept. 25, 2018	RYTM	S 10b5-1	6,102	$31.86	$194,410	52,339 Direct	-10.44%	Disposed	244.6% (price as of 2026-08-21)
Sept. 25, 2018	RYTM	S 10b5-1	5,304	$30.60	$162,302	58,441 Direct	-8.32%	Disposed	258.8% (price as of 2026-08-21)
Sept. 25, 2018	RYTM	S 10b5-1	7,656	$29.81	$228,225	63,745 Direct	-10.72%	Disposed	268.3% (price as of 2026-08-21)
Sept. 25, 2018	RYTM	S 10b5-1	9,052	$28.88	$261,422	71,401 Direct	-11.25%	Disposed	280.2% (price as of 2026-08-21)
Sept. 25, 2018	RYTM	S 10b5-1	3,686	$27.45	$101,181	80,453 Direct	-4.38%	Disposed	300.0% (price as of 2026-08-21)
Sept. 25, 2018	RYTM	M	21,800	$4.59	$100,062	84,139 Direct	+34.97%	Acquired	2291.9% (price as of 2026-08-21)
June 29, 2018	RYTM	G	2,000	—	—	62,339 Direct	-3.11%	Disposed	(price as of 2026-08-21)
Feb. 14, 2018	RYTM	A	55,000	—	—	55,000 Direct	—	Acquired	(price as of 2026-08-21)

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
May 31, 2019	RYTM	Employee Stock Option (Right to Buy)	Common Stock (5,000)	$4.59	Nov. 16, 2025	5,000	Acquired
May 30, 2019	RYTM	Employee Stock Option (Right to Buy)	Common Stock (5,000)	$4.59	Nov. 16, 2025	5,000	Acquired
May 29, 2019	RYTM	Employee Stock Option (Right to Buy)	Common Stock (5,000)	$4.59	Nov. 16, 2025	5,000	Acquired
May 28, 2019	RYTM	Employee Stock Option (Right to Buy)	Common Stock (9,860)	$4.59	Nov. 16, 2025	9,860	Acquired
May 28, 2019	RYTM	Employee Stock Option (Right to Buy)	Common Stock (140)	$6.14	April 4, 2027	140	Acquired
Feb. 13, 2019	RYTM	Employee Stock Option (Right to Buy)	Common Stock (70,000)	$29.78	Feb. 12, 2029	70,000	Acquired
Nov. 2, 2018	RYTM	Employee Stock Option (Right to Buy)	Common Stock (10,000)	$7.52	Dec. 30, 2025	10,000	Disposed
Nov. 2, 2018	RYTM	Employee Stock Option (Right to Buy)	Common Stock (10,000)	$6.14	April 4, 2027	10,000	Disposed
Nov. 2, 2018	RYTM	Employee Stock Option (Right to Buy)	Common Stock (8,200)	$4.59	Nov. 16, 2025	8,200	Disposed
Sept. 25, 2018	RYTM	Employee Stock Option (Right to Buy)	Common Stock (21,800)	$4.59	Nov. 16, 2025	21,800	Disposed
Feb. 14, 2018	RYTM	Employee Stock Option (Right to Buy)	Common Stock (55,000)	$25.79	Feb. 13, 2028	55,000	Acquired

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

Initial ownership (Form 3) 4 holdings

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

Date	Ticker	Security	Shares	Ownership
Oct. 4, 2017	RYTM	Common Stock	64,339	Direct
Oct. 4, 2017	RYTM	Employee Stock Option (Right to Buy)→ Common Stock (63,470)	63,470	Direct
Oct. 4, 2017	RYTM	Employee Stock Option (Right to Buy)→ Common Stock (40,894)	40,894	Direct
Oct. 4, 2017	RYTM	Employee Stock Option (Right to Buy)→ Common Stock (65,431)	65,431	Direct