Nicolas H Roelofs PHD

Insider

First SEC filing: Aug. 15, 2024 · Latest: Aug. 15, 2024

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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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 63 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

63 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 28, 2026	SEER	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-20)
July 28, 2026	SEER	A	16,500	—	—	91,496 Direct	+22.00%	Acquired	(price as of 2026-08-20)
Aug. 13, 2024	SEER	A	46,886	—	—	57,913 Direct	+425.19%	Acquired	(price as of 2026-08-20)
Aug. 13, 2024	SEER	A	69,470	—	—	69,470 Direct	—	Acquired	(price as of 2026-08-20)
March 28, 2013	A	M	53,443	—	—	17,815 Direct	-75.00%	Disposed	(price as of 2026-08-20)
March 28, 2013	A	S	53,443	$41.87	$2,237,658	86,527 Direct	-38.18%	Disposed	420.2% (price as of 2026-08-20)
March 28, 2013	A	M	53,443	$29.46	$1,574,431	139,970 Direct	+61.76%	Acquired	639.3% (price as of 2026-08-20)
March 27, 2013	A	F	2,391	$42.09	$100,637	84,136 Direct	-2.76%	Disposed	417.5% (price as of 2026-08-20)
Dec. 12, 2012	A	M	13,198	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 12, 2012	A	S	13,198	$40.00	$527,920	86,527 Direct	-13.23%	Disposed	444.5% (price as of 2026-08-20)
Dec. 12, 2012	A	M	13,198	$19.00	$250,762	99,725 Direct	+15.25%	Acquired	1046.4% (price as of 2026-08-20)
Dec. 12, 2012	A	S	8,154	$40.00	$326,160	86,527 Direct	-8.61%	Disposed	444.5% (price as of 2026-08-20)
Nov. 21, 2012	A	A	60,000	—	—	60,000 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 16, 2012	A	F	2,306	$35.81	$82,578	94,681 Direct	-2.38%	Disposed	508.2% (price as of 2026-08-20)
Nov. 13, 2012	A	F	6,974	$36.33	$253,365	96,987 Direct	-6.71%	Disposed	499.5% (price as of 2026-08-20)
Nov. 13, 2012	A	A	15,128	$36.33	$549,600	103,961 Direct	+17.03%	Acquired	499.5% (price as of 2026-08-20)
March 27, 2012	A	F	1,835	$45.67	$83,804	88,833 Direct	-2.02%	Disposed	376.9% (price as of 2026-08-20)
March 9, 2012	A	M	13,192	—	—	13,198 Direct	-49.99%	Disposed	(price as of 2026-08-20)
March 9, 2012	A	S	13,192	$45.00	$593,640	90,668 Direct	-12.70%	Disposed	384.0% (price as of 2026-08-20)
March 9, 2012	A	M	13,192	$19.00	$250,648	103,860 Direct	+14.55%	Acquired	1046.4% (price as of 2026-08-20)
Nov. 21, 2011	A	M 10b5-1	2,400	—	—	26,390 Direct	-8.34%	Disposed	(price as of 2026-08-20)
Nov. 21, 2011	A	S 10b5-1	2,400	$35.85	$86,040	90,668 Direct	-2.58%	Disposed	507.6% (price as of 2026-08-20)
Nov. 21, 2011	A	M 10b5-1	2,400	$19.00	$45,600	93,068 Direct	+2.65%	Acquired	1046.4% (price as of 2026-08-20)
Nov. 17, 2011	A	F	2,335	$37.21	$86,885	65,668 Direct	-3.43%	Disposed	485.3% (price as of 2026-08-20)
Nov. 17, 2011	A	A	25,000	—	—	90,668 Direct	+38.07%	Acquired	(price as of 2026-08-20)
Nov. 17, 2011	A	A	60,105	—	—	60,105 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 16, 2011	A	F	6,792	$38.58	$262,035	68,003 Direct	-9.08%	Disposed	464.6% (price as of 2026-08-20)
Nov. 16, 2011	A	A	14,552	$38.58	$561,416	74,795 Direct	+24.16%	Acquired	464.6% (price as of 2026-08-20)
Oct. 21, 2011	A	M	2,400	—	—	28,790 Direct	-7.69%	Disposed	(price as of 2026-08-20)
Oct. 21, 2011	A	S 10b5-1	2,400	$35.00	$84,000	60,243 Direct	-3.83%	Disposed	522.3% (price as of 2026-08-20)
Oct. 21, 2011	A	M 10b5-1	2,400	$19.00	$45,600	62,643 Direct	+3.98%	Acquired	1046.4% (price as of 2026-08-20)
Sept. 21, 2011	A	M 10b5-1	2,400	$19.00	$45,600	62,643 Direct	+3.98%	Acquired	1046.4% (price as of 2026-08-20)
Sept. 21, 2011	A	S 10b5-1	2,400	$35.10	$84,240	60,243 Direct	-3.83%	Disposed	520.5% (price as of 2026-08-20)
Sept. 21, 2011	A	M 10b5-1	2,400	—	—	31,190 Direct	-7.14%	Disposed	(price as of 2026-08-20)
Sept. 16, 2011	A	F	1,751	$36.36	$63,666	60,243 Direct	-2.82%	Disposed	499.0% (price as of 2026-08-20)
Aug. 29, 2011	A	M	2,400	—	—	33,590 Direct	-6.67%	Disposed	(price as of 2026-08-20)
Aug. 29, 2011	A	S 10b5-1	2,400	$35.29	$84,696	61,994 Direct	-3.73%	Disposed	517.2% (price as of 2026-08-20)
Aug. 29, 2011	A	M 10b5-1	2,400	$19.00	$45,600	64,394 Direct	+3.87%	Acquired	1046.4% (price as of 2026-08-20)
July 21, 2011	A	M 10b5-1	2,400	—	—	35,990 Direct	-6.25%	Disposed	(price as of 2026-08-20)
July 21, 2011	A	S 10b5-1	2,400	$47.02	$112,848	61,994 Direct	-3.73%	Disposed	363.2% (price as of 2026-08-20)
July 21, 2011	A	M 10b5-1	2,400	$19.00	$45,600	64,394 Direct	+3.87%	Acquired	1046.4% (price as of 2026-08-20)
June 21, 2011	A	M 10b5-1	2,400	—	—	38,390 Direct	-5.88%	Disposed	(price as of 2026-08-20)
June 21, 2011	A	M	26,253	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 21, 2011	A	S 10b5-1	2,400	$48.73	$116,952	61,994 Direct	-3.73%	Disposed	347.0% (price as of 2026-08-20)
June 21, 2011	A	M 10b5-1	2,400	$19.00	$45,600	64,394 Direct	+3.87%	Acquired	1046.4% (price as of 2026-08-20)
June 21, 2011	A	S 10b5-1	26,253	$50.00	$1,312,650	61,994 Direct	-29.75%	Disposed	335.6% (price as of 2026-08-20)
June 21, 2011	A	M	26,253	$26.99	$708,568	88,247 Direct	+42.35%	Acquired	707.0% (price as of 2026-08-20)
May 23, 2011	A	M 10b5-1	2,400	—	—	40,790 Direct	-5.56%	Disposed	(price as of 2026-08-20)
May 23, 2011	A	S 10b5-1	2,400	$49.74	$119,376	61,994 Direct	-3.73%	Disposed	337.9% (price as of 2026-08-20)
May 23, 2011	A	M 10b5-1	2,400	$19.00	$45,600	64,394 Direct	+3.87%	Acquired	1046.4% (price as of 2026-08-20)
April 21, 2011	A	M 10b5-1	2,400	—	—	43,190 Direct	-5.26%	Disposed	(price as of 2026-08-20)
April 21, 2011	A	S 10b5-1	2,400	$48.86	$117,264	61,994 Direct	-3.73%	Disposed	345.8% (price as of 2026-08-20)
April 21, 2011	A	M 10b5-1	2,400	$19.00	$45,600	64,394 Direct	+3.87%	Acquired	1046.4% (price as of 2026-08-20)
March 25, 2011	A	F	1,834	$44.04	$80,769	61,994 Direct	-2.87%	Disposed	394.6% (price as of 2026-08-20)
March 21, 2011	A	M 10b5-1	2,400	—	—	45,590 Direct	-5.00%	Disposed	(price as of 2026-08-20)
March 21, 2011	A	S 10b5-1	2,400	$43.59	$104,616	63,828 Direct	-3.62%	Disposed	399.7% (price as of 2026-08-20)
March 21, 2011	A	M 10b5-1	2,400	$19.00	$45,600	66,228 Direct	+3.76%	Acquired	1046.4% (price as of 2026-08-20)
Feb. 22, 2011	A	M 10b5-1	2,400	—	—	47,990 Direct	-4.76%	Disposed	(price as of 2026-08-20)
Feb. 22, 2011	A	S 10b5-1	2,400	$43.24	$103,776	63,828 Direct	-3.62%	Disposed	403.7% (price as of 2026-08-20)
Feb. 22, 2011	A	M 10b5-1	2,400	$19.00	$45,600	66,228 Direct	+3.76%	Acquired	1046.4% (price as of 2026-08-20)
Jan. 21, 2011	A	M 10b5-1	2,400	—	—	50,390 Direct	-4.55%	Disposed	(price as of 2026-08-20)
Jan. 21, 2011	A	S 10b5-1	2,400	$42.53	$102,072	63,828 Direct	-3.62%	Disposed	412.1% (price as of 2026-08-20)
Jan. 21, 2011	A	M 10b5-1	2,400	$19.00	$45,600	66,228 Direct	+3.76%	Acquired	1046.4% (price as of 2026-08-20)
Nov. 17, 2010	A	A	13,529	$35.21	$476,356	48,791 Direct	+38.37%	Acquired	518.6% (price as of 2026-08-20)
Nov. 17, 2010	A	F	4,963	$35.21	$174,747	43,828 Direct	-10.17%	Disposed	518.6% (price as of 2026-08-20)
Nov. 17, 2010	A	A	20,000	—	—	63,828 Direct	+45.63%	Acquired	(price as of 2026-08-20)
Nov. 17, 2010	A	A	60,711	—	—	60,711 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 17, 2010	A	F	1,376	$30.55	$42,037	35,262 Direct	-3.76%	Disposed	613.0% (price as of 2026-08-20)
March 26, 2010	A	F	1,870	$34.31	$64,160	36,638 Direct	-4.86%	Disposed	534.8% (price as of 2026-08-20)
Nov. 18, 2009	A	A	71,258	—	—	71,258 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 18, 2009	A	F	2,099	$29.46	$61,837	38,508 Direct	-5.17%	Disposed	639.3% (price as of 2026-08-20)
Nov. 18, 2009	A	A	5,720	$29.46	$168,511	40,607 Direct	+16.40%	Acquired	639.3% (price as of 2026-08-20)
Sept. 17, 2009	A	F	1,341	$28.49	$38,205	34,887 Direct	-3.70%	Disposed	664.5% (price as of 2026-08-20)
July 17, 2009	A	F	487	$20.96	$10,208	36,228 Direct	-1.33%	Disposed	939.2% (price as of 2026-08-20)
March 27, 2009	A	A	20,000	—	—	36,715 Direct	+119.65%	Acquired	(price as of 2026-08-20)
Nov. 18, 2008	A	A	52,790	—	—	52,790 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 17, 2008	A	F	1,341	$29.75	$39,895	16,715 Direct	-7.43%	Disposed	632.1% (price as of 2026-08-20)
July 18, 2008	A	F	472	$35.57	$16,789	3,056 Direct	-13.38%	Disposed	512.3% (price as of 2026-08-20)
Nov. 19, 2007	A	A	29,412	—	—	29,412 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
July 28, 2026	SEER	Stock Option (right to buy)	Class A Common Stock (25,000)	$2.14	July 28, 2036	25,000	Acquired
Aug. 13, 2024	SEER	Stock Option (right to buy)	Class A Common Stock (69,470)	$1.70	Aug. 12, 2034	69,470	Acquired
March 28, 2013	A	Employee Stock Option (Right to Buy) [F3]	Common Stock (53,443)	$29.46	Nov. 17, 2019	53,443	Disposed
Dec. 12, 2012	A	Employee Stock Option (Right to Buy) [F1]	Common Stock (13,198)	$19.00	Nov. 17, 2018	13,198	Disposed
Nov. 21, 2012	A	Employee Stock Option (Right to Buy)	Common Stock (60,000)	$35.84	Nov. 20, 2022	60,000	Acquired
March 9, 2012	A	Employee Stock Option (Right to Buy) [F1]	Common Stock (13,192)	$19.00	Nov. 17, 2018	13,192	Disposed
Nov. 21, 2011	A	Employee Stock Option (Right to Buy) [F2]	Common Stock (2,400)	$19.00	Nov. 17, 2018	2,400	Disposed
Nov. 17, 2011	A	Employee Stock Option (Right to Buy) [F2]	Common Stock (60,105)	$37.21	Nov. 16, 2021	60,105	Acquired
Oct. 21, 2011	A	Employee Stock Option (Right to Buy) [F2]	Common Stock (2,400)	$19.00	Nov. 17, 2018	2,400	Disposed
Sept. 21, 2011	A	Employee Stock Option (Right to Buy) [F2]	Common Stock (2,400)	$19.00	Nov. 17, 2018	2,400	Disposed
Aug. 29, 2011	A	Employee Stock Option (Right to Buy)	Common Stock (2,400)	$19.00	Nov. 17, 2018	2,400	Disposed
July 21, 2011	A	Employee Stock Option (Right to Buy)	Common Stock (2,400)	$19.00	Nov. 17, 2018	2,400	Disposed
June 21, 2011	A	Employee Stock Option (Right to Buy)	Common Stock (2,400)	$19.00	Nov. 17, 2018	2,400	Disposed
June 21, 2011	A	Employee Stock Option (Right to Buy)	Common Stock (26,253)	$26.99	July 17, 2016	26,253	Disposed
May 23, 2011	A	Employee Stock Option (Right to Buy)	Common Stock (2,400)	$19.00	Nov. 17, 2018	2,400	Disposed
April 21, 2011	A	Employee Stock Option (Right to Buy) [F2]	Common Stock (2,400)	$19.00	Nov. 17, 2018	2,400	Disposed
March 21, 2011	A	Employee Stock Option (Right to Buy) [F2]	Common Stock (2,400)	$19.00	Nov. 17, 2018	2,400	Disposed
Feb. 22, 2011	A	Employee Stock Option (Right to Buy) [F2]	Common Stock (2,400)	$19.00	Nov. 17, 2018	2,400	Disposed
Jan. 21, 2011	A	Employee Stock Option (Right to Buy) [F2]	Common Stock (2,400)	$19.00	Nov. 17, 2018	2,400	Disposed
Nov. 17, 2010	A	Employee Stock Option (Right to Buy) [F3]	Common Stock (60,711)	$35.21	Nov. 16, 2020	60,711	Acquired
Nov. 18, 2009	A	Employee Stock Option (Right to Buy) [F2]	Common Stock (71,258)	$29.46	Nov. 17, 2019	71,258	Acquired
Nov. 18, 2008	A	Employee Stock Option (Right to Buy) [F1]	Common Stock (52,790)	$19.00	Nov. 17, 2018	52,790	Acquired
Nov. 19, 2007	A	Employee Stock Option (Right to Buy) [F1]	Common Stock (29,412)	$35.80	Nov. 18, 2017	29,412	Acquired

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

Initial ownership (Form 3) 8 holdings

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

Date	Ticker	Security	Shares	Ownership
Aug. 15, 2024	SEER	Class A Common Stock	11,027	Direct
Sept. 19, 2008	A	Common Stock [F1]	18,528	Direct
May 23, 2008	A	Common Stock [F1]	3,528	Direct
May 23, 2008	A	Employee Stock Option (Right to Buy) [F2]→ Common Stock (26,253)	26,253	Direct
May 23, 2008	A	Employee Stock Option (Right to Buy) [F2]→ Common Stock (16,500)	16,500	Direct
Nov. 21, 2007	A	Common Stock	2,680	Direct
Nov. 21, 2007	A	Employee Stock Option (Right to Buy) [F1]→ Common Stock (26,253)	26,253	Direct
Nov. 21, 2007	A	Employee Stock Option (Right to Buy) [F1]→ Common Stock (16,500)	16,500	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

A

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2009	$334,583	$0	$558,015	$267,264	$250,882	$56,151	$22,235	$1,489,130

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.