Eben Tessari

Insider

First SEC filing: June 21, 2021 · Latest: June 21, 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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

KNSA selling Nov. 18, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 65 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

65 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Nov. 18, 2024	KNSA	M 10b5-1	10,000	$1.59	$15,900	119,975 Direct	+9.09%	Acquired	4909.7% (price as of 2026-08-20)
Nov. 18, 2024	KNSA	S 10b5-1	17,000	$21.04	$357,680	102,975 Direct	-14.17%	Disposed	278.6% (price as of 2026-08-20)
Nov. 18, 2024	KNSA	M 10b5-1	10,000	—	—	16,017 Direct	-38.44%	Disposed	(price as of 2026-08-20)
Oct. 15, 2024	KNSA	M 10b5-1	10,000	$1.59	$15,900	126,975 Direct	+8.55%	Acquired	4909.7% (price as of 2026-08-20)
Oct. 15, 2024	KNSA	S 10b5-1	17,000	$26.87	$456,790	109,975 Direct	-13.39%	Disposed	196.4% (price as of 2026-08-20)
Oct. 15, 2024	KNSA	M 10b5-1	10,000	—	—	26,017 Direct	-27.76%	Disposed	(price as of 2026-08-20)
Sept. 23, 2024	KNSA	M 10b5-1	10,000	$1.59	$15,900	134,475 Direct	+8.03%	Acquired	4909.7% (price as of 2026-08-20)
Sept. 23, 2024	KNSA	S 10b5-1	17,500	$24.99	$437,325	116,975 Direct	-13.01%	Disposed	218.7% (price as of 2026-08-20)
Sept. 23, 2024	KNSA	M 10b5-1	10,000	—	—	36,017 Direct	-21.73%	Disposed	(price as of 2026-08-20)
Sept. 2, 2024	KNSA	M	1,964	—	—	125,052 Direct	+1.60%	Acquired	(price as of 2026-08-20)
Sept. 2, 2024	KNSA	F	577	$26.74	$15,429	124,475 Direct	-0.46%	Disposed	197.9% (price as of 2026-08-20)
Sept. 2, 2024	KNSA	M	1,964	—	—	1,964 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Sept. 1, 2024	KNSA	M	4,499	—	—	124,410 Direct	+3.75%	Acquired	(price as of 2026-08-20)
Sept. 1, 2024	KNSA	F	1,322	$26.74	$35,350	123,088 Direct	-1.06%	Disposed	197.9% (price as of 2026-08-20)
Sept. 1, 2024	KNSA	A	6,981	—	—	6,981 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 1, 2024	KNSA	A	36,300	—	—	36,300 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 1, 2024	KNSA	M	2,726	—	—	5,452 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Sept. 1, 2024	KNSA	M	1,773	—	—	5,318 Direct	-25.00%	Disposed	(price as of 2026-08-20)
Aug. 27, 2024	KNSA	M 10b5-1	10,000	$1.59	$15,900	137,411 Direct	+7.85%	Acquired	4909.7% (price as of 2026-08-20)
Aug. 27, 2024	KNSA	S 10b5-1	17,500	$26.91	$470,925	119,911 Direct	-12.74%	Disposed	196.0% (price as of 2026-08-20)
Aug. 27, 2024	KNSA	M 10b5-1	10,000	—	—	46,017 Direct	-17.85%	Disposed	(price as of 2026-08-20)
April 8, 2024	KNSA	M	2,726	—	—	126,825 Direct	+2.20%	Acquired	(price as of 2026-08-20)
April 8, 2024	KNSA	F	801	$17.90	$14,338	126,024 Direct	-0.63%	Disposed	345.0% (price as of 2026-08-20)
April 8, 2024	KNSA	M	2,726	—	—	9,573 Direct	-22.16%	Disposed	(price as of 2026-08-20)
April 4, 2024	KNSA	A	36,300	—	—	36,300 Direct	—	Acquired	(price as of 2026-08-20)
April 4, 2024	KNSA	A	5,585	—	—	5,585 Direct	—	Acquired	(price as of 2026-08-20)
April 4, 2024	KNSA	A	6,981	—	—	12,299 Direct	+131.27%	Acquired	(price as of 2026-08-20)
April 1, 2024	KNSA	M	1,773	—	—	124,620 Direct	+1.44%	Acquired	(price as of 2026-08-20)
April 1, 2024	KNSA	F	521	$19.70	$10,264	124,099 Direct	-0.42%	Disposed	304.3% (price as of 2026-08-20)
April 1, 2024	KNSA	M	1,773	—	—	5,318 Direct	-25.00%	Disposed	(price as of 2026-08-20)
March 1, 2024	KNSA	M 10b5-1	656	$1.59	$1,043	124,036 Direct	+0.53%	Acquired	4909.7% (price as of 2026-08-20)
March 1, 2024	KNSA	S 10b5-1	1,189	$22.03	$26,194	122,847 Direct	-0.96%	Disposed	261.6% (price as of 2026-08-20)
March 1, 2024	KNSA	M 10b5-1	656	—	—	56,017 Direct	-1.16%	Disposed	(price as of 2026-08-20)
Sept. 2, 2023	KNSA	M	1,964	—	—	123,957 Direct	+1.61%	Acquired	(price as of 2026-08-20)
Sept. 2, 2023	KNSA	F	577	$17.76	$10,248	123,380 Direct	-0.47%	Disposed	348.5% (price as of 2026-08-20)
Sept. 2, 2023	KNSA	M	1,964	—	—	3,928 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Sept. 1, 2023	KNSA	M	2,727	—	—	122,794 Direct	+2.27%	Acquired	(price as of 2026-08-20)
Sept. 1, 2023	KNSA	F	801	$17.76	$14,226	121,993 Direct	-0.65%	Disposed	348.5% (price as of 2026-08-20)
Sept. 1, 2023	KNSA	M	2,727	—	—	8,178 Direct	-25.01%	Disposed	(price as of 2026-08-20)
Sept. 1, 2023	KNSA	A	7,091	—	—	7,091 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 1, 2023	KNSA	A	42,544	—	—	42,544 Direct	—	Acquired	(price as of 2026-08-20)
April 10, 2023	KNSA	M	2,727	—	—	120,868 Direct	+2.31%	Acquired	(price as of 2026-08-20)
April 10, 2023	KNSA	F	801	$10.71	$8,579	120,067 Direct	-0.66%	Disposed	643.7% (price as of 2026-08-20)
April 10, 2023	KNSA	M	2,727	—	—	8,178 Direct	+50.03%	Acquired	(price as of 2026-08-20)
April 1, 2023	KNSA	A	42,544	—	—	42,544 Direct	—	Acquired	(price as of 2026-08-20)
April 1, 2023	KNSA	A	7,091	—	—	7,091 Direct	—	Acquired	(price as of 2026-08-20)
March 20, 2023	KNSA	M	2,982	—	—	119,017 Direct	+2.57%	Acquired	(price as of 2026-08-20)
March 20, 2023	KNSA	F	876	$11.12	$9,741	118,141 Direct	-0.74%	Disposed	616.3% (price as of 2026-08-20)
March 20, 2023	KNSA	M	2,982	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 16, 2023	KNSA	M	1,964	—	—	116,612 Direct	+1.71%	Acquired	(price as of 2026-08-20)
March 16, 2023	KNSA	F	577	$11.46	$6,612	116,035 Direct	-0.49%	Disposed	595.1% (price as of 2026-08-20)
March 16, 2023	KNSA	M	1,964	—	—	3,928 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Sept. 2, 2022	KNSA	M	1,964	—	—	115,225 Direct	+1.73%	Acquired	(price as of 2026-08-20)
Sept. 2, 2022	KNSA	F	577	$11.44	$6,601	114,648 Direct	-0.50%	Disposed	596.3% (price as of 2026-08-20)
Sept. 2, 2022	KNSA	M	1,964	—	—	5,892 Direct	-25.00%	Disposed	(price as of 2026-08-20)
Sept. 1, 2022	KNSA	A	65,420	—	—	65,420 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 1, 2022	KNSA	A	10,905	—	—	10,905 Direct	—	Acquired	(price as of 2026-08-20)
July 15, 2022	KNSA	A	1,048	$9.56	$10,019	113,261 Direct	+0.93%	Acquired	733.2% (price as of 2026-08-20)
April 7, 2022	KNSA	A	65,420	—	—	65,420 Direct	—	Acquired	(price as of 2026-08-20)
April 7, 2022	KNSA	A	10,905	—	—	10,905 Direct	—	Acquired	(price as of 2026-08-20)
March 21, 2022	KNSA	M	4,611	—	—	113,674 Direct	+4.23%	Acquired	(price as of 2026-08-20)
March 21, 2022	KNSA	F	1,461	$10.98	$16,042	112,213 Direct	-1.29%	Disposed	625.5% (price as of 2026-08-20)
March 21, 2022	KNSA	M	4,611	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 16, 2022	KNSA	M	1,964	—	—	5,892 Direct	-25.00%	Disposed	(price as of 2026-08-20)
March 16, 2022	KNSA	F	681	$10.13	$6,899	109,063 Direct	-0.62%	Disposed	686.3% (price as of 2026-08-20)
March 16, 2022	KNSA	M	1,964	—	—	109,744 Direct	+1.82%	Acquired	(price as of 2026-08-20)
Jan. 15, 2022	KNSA	A	970	$9.63	$9,341	107,780 Direct	+0.91%	Acquired	727.2% (price as of 2026-08-20)
Sept. 2, 2021	KNSA	A	7,856	—	—	7,856 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 2, 2021	KNSA	A	47,138	—	—	47,138 Direct	—	Acquired	(price as of 2026-08-20)
July 15, 2021	KNSA	A	868	$11.49	$9,973	106,810 Direct	+0.82%	Acquired	593.3% (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
Nov. 18, 2024	KNSA	Share Option	Class A Ordinary Share (10,000)	$1.59	Dec. 15, 2025	10,000	Disposed
Oct. 15, 2024	KNSA	Share Option	Class A Ordinary Share (10,000)	$1.59	Dec. 15, 2025	10,000	Disposed
Sept. 23, 2024	KNSA	Share Option	Class A Ordinary Share (10,000)	$1.59	Dec. 15, 2025	10,000	Disposed
Sept. 2, 2024	KNSA	Restricted Share Unit	Class A Ordinary Share (1,964)	—	—	1,964	Disposed
Sept. 1, 2024	KNSA	Restricted Share Unit	Class A Ordinary Share (6,981)	—	—	6,981	Acquired
Sept. 1, 2024	KNSA	Share Option	Class A Ordinary Share (36,300)	$26.74	Aug. 31, 2034	36,300	Acquired
Sept. 1, 2024	KNSA	Restricted Share Unit	Class A Ordinary Share (2,726)	—	—	2,726	Disposed
Sept. 1, 2024	KNSA	Restricted Share Unit	Class A Ordinary Share (1,773)	—	—	1,773	Disposed
Aug. 27, 2024	KNSA	Share Option	Class A Ordinary Share (10,000)	$1.59	Dec. 15, 2025	10,000	Disposed
April 8, 2024	KNSA	Restricted Share Unit	Class A Common Share (2,726)	—	—	2,726	Disposed
April 4, 2024	KNSA	Share Option	Class A Common Share (36,300)	$18.06	March 31, 2034	36,300	Acquired
April 4, 2024	KNSA	Performance Share Unit	Class A Common Share (5,585)	—	March 31, 2034	5,585	Acquired
April 4, 2024	KNSA	Restricted Share Unit	Class A Common Share (6,981)	—	—	6,981	Acquired
April 1, 2024	KNSA	Restricted Share Unit	Class A Common Share (1,773)	—	—	1,773	Disposed
March 1, 2024	KNSA	Share Option	Class A Common Share (656)	$1.59	Dec. 15, 2025	656	Disposed
Sept. 2, 2023	KNSA	Restricted Share Unit	Class A Common Share (1,964)	—	—	1,964	Disposed
Sept. 1, 2023	KNSA	Restricted Share Unit	Class A Common Share (2,727)	—	—	2,727	Disposed
Sept. 1, 2023	KNSA	Restricted Share Unit	Class A Common Share (7,091)	—	—	7,091	Acquired
Sept. 1, 2023	KNSA	Share Option	Class A Common Share (42,544)	$17.76	Aug. 31, 2033	42,544	Acquired
April 10, 2023	KNSA	Restricted Share Unit	Class A Common Share (2,727)	—	—	2,727	Acquired
April 1, 2023	KNSA	Share Option	Class A Common Share (42,544)	$10.76	March 31, 2033	42,544	Acquired
April 1, 2023	KNSA	Restricted Share Unit	Class A Common Share (7,091)	—	—	7,091	Acquired
March 20, 2023	KNSA	Restricted Share Unit	Class A Common Share (2,982)	—	—	2,982	Disposed
March 16, 2023	KNSA	Restricted Share Unit	Class A Common Share (1,964)	—	—	1,964	Disposed
Sept. 2, 2022	KNSA	Restricted Share Unit	Class A Common Share (1,964)	—	—	1,964	Disposed
Sept. 1, 2022	KNSA	Share Option	Class A Common Share (65,420)	$11.97	Aug. 31, 2032	65,420	Acquired
Sept. 1, 2022	KNSA	Restricted Share Unit	Class A Common Share (10,905)	—	—	10,905	Acquired
April 7, 2022	KNSA	Share Option	Class A Common Share (65,420)	$11.10	April 6, 2032	65,420	Acquired
April 7, 2022	KNSA	Restricted Share Unit	Class A Common Share (10,905)	—	—	10,905	Acquired
March 21, 2022	KNSA	Restricted Share Unit	Class A Common Share (4,611)	—	—	4,611	Disposed
March 16, 2022	KNSA	Restricted Share Unit	Class A Common Share (1,964)	—	—	1,964	Disposed
Sept. 2, 2021	KNSA	Restricted Share Units	Class A Common Shares (7,856)	—	—	7,856	Acquired
Sept. 2, 2021	KNSA	Share Option	Class A Common Shares (47,138)	$12.97	Sept. 1, 2031	47,138	Acquired

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

Initial ownership (Form 3) 13 holdings

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

Date	Ticker	Security	Shares	Ownership
June 21, 2021	KNSA	Class A Common Shares	105,942	Direct
June 21, 2021	KNSA	Share Option→ Class A Common Shares (56,673)	56,673	Direct
June 21, 2021	KNSA	Share Option→ Class A Common Shares (35,049)	35,049	Direct
June 21, 2021	KNSA	Share Option→ Class A Common Shares (109,795)	109,795	Direct
June 21, 2021	KNSA	Share Option→ Class A Common Shares (45,000)	45,000	Direct
June 21, 2021	KNSA	Share Option→ Class A Common Shares (42,000)	42,000	Direct
June 21, 2021	KNSA	Share Option→ Class A Common Shares (45,000)	45,000	Direct
June 21, 2021	KNSA	Share Option→ Class A Common Shares (60,000)	60,000	Direct
June 21, 2021	KNSA	Share Option→ Class A Common Shares (60,000)	60,000	Direct
June 21, 2021	KNSA	Share Option→ Class A Common Shares (47,138)	47,138	Direct
June 21, 2021	KNSA	Restricted Share Units→ Class A Common Shares (7,856)	7,856	Direct
June 21, 2021	KNSA	Restricted Share Units→ Class A Common Shares (4,611)	4,611	Direct
June 21, 2021	KNSA	Restricted Share Units→ Class A Common Shares (2,982)	2,982	Direct

Compensation (DEF 14A)

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

KNSA

COO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2023	$449,510	—	—	$816,573	$278,783	—	$4,995	$1,752,096
2022	$443,534	—	—	$1,022,122	$195,782	—	$4,435	$1,917,452

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