Susan Heystee

Insider

First SEC filing: June 1, 2021 · Latest: June 1, 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

0 buys (P) 2 sells (S) Net: $-615,797 + 55 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

55 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 21, 2026	CHPT	A	6,680	—	—	45,945 Direct	+17.01%	Acquired	(price as of 2026-08-20)
July 21, 2026	CHPT	A	18,370	—	—	39,265 Direct	+87.92%	Acquired	(price as of 2026-08-20)
July 6, 2026	OUST	A	660	$49.83	$32,888	40,479 Direct	+1.66%	Acquired	-21.1% (price as of 2026-08-20)
June 17, 2026	OUST	A	4,725	—	—	39,819 Direct	+13.46%	Acquired	(price as of 2026-08-20)
May 21, 2026	OUST	S	9,316	$34.80	$324,197	35,094 Direct	-20.98%	Disposed	13.0% (price as of 2026-08-20)
April 6, 2026	OUST	A	1,458	$19.31	$28,154	44,410 Direct	+3.39%	Acquired	103.6% (price as of 2026-08-20)
Jan. 5, 2026	OUST	A	1,327	$24.80	$32,910	42,952 Direct	+3.19%	Acquired	58.5% (price as of 2026-08-20)
Dec. 12, 2025	OUST	S	11,650	$25.03	$291,600	41,625 Direct	-21.87%	Disposed	57.1% (price as of 2026-08-20)
Oct. 6, 2025	OUST	A	1,010	$32.43	$32,754	53,275 Direct	+1.93%	Acquired	21.2% (price as of 2026-08-20)
Aug. 13, 2025	OUST	S	40,390	$30.00	$1,211,700	52,265 Direct	-43.59%	Disposed	31.0% (price as of 2026-08-20)
July 7, 2025	OUST	A	1,712	$22.42	$38,383	92,654 Direct	+1.88%	Acquired	75.3% (price as of 2026-08-20)
June 18, 2025	OUST	A	13,558	—	—	90,942 Direct	+17.52%	Acquired	(price as of 2026-08-20)
May 13, 2025	OUST	D	45,019	$11.20	$504,213	77,384 Direct	-36.78%	Disposed	251.0% (price as of 2026-08-20)
April 7, 2025	OUST	A	3,629	$7.43	$26,963	122,403 Direct	+3.06%	Acquired	429.1% (price as of 2026-08-20)
Jan. 6, 2025	OUST	A	2,960	—	—	118,774 Direct	+2.56%	Acquired	(price as of 2026-08-20)
Oct. 7, 2024	OUST	A	4,847	$6.45	$31,263	115,814 Direct	+4.37%	Acquired	509.5% (price as of 2026-08-20)
Aug. 16, 2024	OUST	S	6,400	$7.83	$50,112	110,967 Direct	-5.45%	Disposed	402.0% (price as of 2026-08-20)
July 5, 2024	OUST	A	2,871	—	—	117,367 Direct	+2.51%	Acquired	(price as of 2026-08-20)
June 21, 2024	OUST	A	15,195	—	—	114,496 Direct	+15.30%	Acquired	(price as of 2026-08-20)
April 5, 2024	OUST	A	5,221	—	—	99,301 Direct	+5.55%	Acquired	(price as of 2026-08-20)
Jan. 5, 2024	OUST	A	4,922	—	—	94,080 Direct	+5.52%	Acquired	(price as of 2026-08-20)
Oct. 5, 2023	OUST	A	6,151	—	—	89,158 Direct	+7.41%	Acquired	(price as of 2026-08-20)
July 18, 2023	CHPT	A	21,925	—	—	47,568 Direct	+85.50%	Acquired	(price as of 2026-08-20)
July 5, 2023	OUST	A	5,304	$5.41	$28,695	83,007 Direct	+6.83%	Acquired	626.6% (price as of 2026-08-20)
April 5, 2023	OUST	A	17,951	$0.95	$17,053	777,097 Direct	+2.36%	Acquired	313.8% (price as of 2026-08-20)
April 5, 2023	OUST	A	8,045	$0.95	$7,643	759,146 Direct	+1.07%	Acquired	313.8% (price as of 2026-08-20)
Feb. 10, 2023	OUST	A	186,254	—	—	751,101 Direct	+32.97%	Acquired	(price as of 2026-08-20)
Jan. 5, 2023	OUST	A	17,089	$1.12	$19,140	564,847 Direct	+3.12%	Acquired	251.0% (price as of 2026-08-20)
Oct. 5, 2022	OUST	A	15,354	$1.24	$19,039	547,758 Direct	+2.88%	Acquired	217.0% (price as of 2026-08-20)
July 12, 2022	CHPT	A	13,563	—	—	25,643 Direct	+112.28%	Acquired	(price as of 2026-08-20)
July 5, 2022	OUST	A	9,709	$1.96	$19,030	532,404 Direct	+1.86%	Acquired	100.6% (price as of 2026-08-20)
June 9, 2022	OUST	A	67,846	—	—	522,695 Direct	+14.92%	Acquired	(price as of 2026-08-20)
April 5, 2022	OUST	A	5,199	$3.67	$19,080	454,849 Direct	+1.16%	Acquired	7.1% (price as of 2026-08-20)
March 11, 2022	OUST	M	3,862	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 11, 2022	OUST	M	1,891	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 11, 2022	OUST	M	3,862	—	—	449,650 Direct	+0.87%	Acquired	(price as of 2026-08-20)
March 11, 2022	OUST	M	1,891	—	—	445,788 Direct	+0.43%	Acquired	(price as of 2026-08-20)
Jan. 5, 2022	OUST	A	2,589	$5.91	$15,301	428,766 Direct	+0.61%	Acquired	-33.5% (price as of 2026-08-20)
Dec. 11, 2021	OUST	M	3,861	—	—	3,862 Direct	-49.99%	Disposed	(price as of 2026-08-20)
Dec. 11, 2021	OUST	M	1,892	—	—	17,022 Direct	-10.00%	Disposed	(price as of 2026-08-20)
Dec. 11, 2021	OUST	M	3,861	—	—	423,673 Direct	+0.92%	Acquired	(price as of 2026-08-20)
Dec. 11, 2021	OUST	M	1,892	—	—	419,812 Direct	+0.45%	Acquired	(price as of 2026-08-20)
Dec. 10, 2021	CHPT	P	12,500	$19.94	$249,250	12,500 Indirect	—	Acquired	-98.6% (price as of 2026-08-20)
Oct. 5, 2021	OUST	A	1,467	$7.98	$11,707	426,177 Direct	+0.35%	Acquired	-50.7% (price as of 2026-08-20)
Sept. 11, 2021	OUST	M	3,862	—	—	7,723 Direct	-33.34%	Disposed	(price as of 2026-08-20)
Sept. 11, 2021	OUST	M	1,891	—	—	18,914 Direct	-9.09%	Disposed	(price as of 2026-08-20)
Sept. 11, 2021	OUST	M	3,862	—	—	3,862 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 11, 2021	OUST	M	1,891	—	—	414,058 Direct	+0.46%	Acquired	(price as of 2026-08-20)
July 13, 2021	OUST	A	302,717	—	—	412,167 Direct	+276.58%	Acquired	(price as of 2026-08-20)
July 5, 2021	OUST	A	825	$12.12	$9,999	424,710 Direct	+0.19%	Acquired	-67.6% (price as of 2026-08-20)
June 11, 2021	OUST	M	3,861	—	—	11,585 Direct	-25.00%	Disposed	(price as of 2026-08-20)
June 11, 2021	OUST	M	1,891	—	—	20,805 Direct	-8.33%	Disposed	(price as of 2026-08-20)
June 11, 2021	OUST	M	3,861	—	—	109,450 Direct	+3.66%	Acquired	(price as of 2026-08-20)
June 11, 2021	OUST	M	1,891	—	—	105,589 Direct	+1.82%	Acquired	(price as of 2026-08-20)
May 27, 2021	CHPT	A	12,080	—	—	12,080 Direct	—	Acquired	(price as of 2026-08-20)
April 5, 2021	OUST	A	212	$10.99	$2,330	423,885 Direct	+0.05%	Acquired	-64.2% (price as of 2026-08-20)
March 11, 2021	OUST	A	15,446	—	—	15,446 Direct	—	Acquired	(price as of 2026-08-20)
March 11, 2021	OUST	A	22,696	—	—	22,696 Direct	—	Acquired	(price as of 2026-08-20)
March 11, 2021	OUST	A	70,318	—	—	174,016 Indirect	+67.81%	Acquired	(price as of 2026-08-20)
March 11, 2021	OUST	A	103,698	—	—	103,698 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
March 11, 2022	OUST	Restricted Stock Units	Common Stock (3,862)	—	—	3,862	Disposed
March 11, 2022	OUST	Restricted Stock Units	Common Stock (1,891)	—	—	1,891	Disposed
Dec. 11, 2021	OUST	Restricted Stock Units	Common Stock (3,861)	—	—	3,861	Disposed
Dec. 11, 2021	OUST	Restricted Stock Units	Common Stock (1,892)	—	—	1,892	Disposed
Sept. 11, 2021	OUST	Restricted Stock Units	Common Stock (3,862)	—	—	3,862	Disposed
Sept. 11, 2021	OUST	Restricted Stock Units	Common Stock (1,891)	—	—	1,891	Disposed
June 11, 2021	OUST	Restricted Stock Units	Common Stock (3,861)	—	—	3,861	Disposed
June 11, 2021	OUST	Restricted Stock Units	Common Stock (1,891)	—	—	1,891	Disposed
March 11, 2021	OUST	Restricted Stock Units	Common Stock (15,446)	—	—	15,446	Acquired
March 11, 2021	OUST	Restricted Stock Units	Common Stock (22,696)	—	—	22,696	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
June 1, 2021	CHPT	No securities are beneficially owned	0	Direct