KNSA Insider Trading

Insider Trading Chart
Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 53.48%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $51,430,265.98

Kiniksa Pharmaceuticals International Insider Trading History Chart

Kiniksa Pharmaceuticals International Share Price & Price History

^$40.99

▲ +0.4 (0.99%)

As of 12/4/2025 05:00 PM ET

Days: 30 | 90 | 365

Kiniksa Pharmaceuticals International Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
11/26/2025	Eben Tessari	COO	Sell	200	$42.89	$8,578.00	22,714
11/17/2025	Eben Tessari	COO	Sell	12,470	$41.24	$514,262.80	22,714
11/12/2025	Mark Ragosa	CFO	Sell	19,900	$40.94	$814,706.00	31,086
10/31/2025	John F. Paolini	Insider	Sell	82,542	$37.14	$3,065,609.88	61,324
10/28/2025	Mark Ragosa	CFO	Sell	100	$41.00	$4,100.00	31,086
10/22/2025	Sanj K. Patel	CEO	Sell	97,390	$38.83	$3,781,653.70	111,794
10/21/2025	Sanj K. Patel	CEO	Sell	39,331	$38.77	$1,524,862.87	111,794
10/20/2025	Michael R. Megna	CAO	Sell	50,490	$38.87	$1,962,546.30	27,046
10/20/2025	Sanj K. Patel	CEO	Sell	121,248	$38.90	$4,716,547.20	111,794
10/14/2025	Eben Tessari	COO	Sell	12,368	$37.67	$465,902.56	28,684
9/29/2025	Eben Tessari	COO	Sell	42,000	$38.33	$1,609,860.00	34,552
9/15/2025	Eben Tessari	COO	Sell	16,400	$36.46	$597,944.00	34,552
9/5/2025	Eben Tessari	COO	Sell	13,389	$35.66	$477,451.74	44,452
9/4/2025	Eben Tessari	COO	Sell	85,271	$35.52	$3,028,825.92	44,452
9/4/2025	Ross Moat	Insider	Sell	3,523	$35.31	$124,397.13	9,415
9/3/2025	Eben Tessari	COO	Sell	15,091	$35.50	$535,730.50	44,452
9/3/2025	Michael R. Megna	CAO	Sell	11,000	$34.84	$383,240.00	38,011
8/18/2025	Eben Tessari	COO	Sell	16,200	$33.77	$547,074.00	40,215
8/14/2025	Thomas Malley	Director	Sell	78,233	$33.09	$2,588,729.97	12,546
8/13/2025	Thomas Malley	Director	Sell	50,129	$33.32	$1,670,298.28	12,546
8/12/2025	Thomas Malley	Director	Sell	49,407	$32.40	$1,600,786.80	12,546
8/6/2025	John F. Paolini	Insider	Sell	29,325	$32.55	$954,528.75	57,403
8/5/2025	Eben Tessari	COO	Sell	138,614	$33.20	$4,601,984.80	49,915
8/4/2025	Mark Ragosa	CFO	Sell	18,889	$32.89	$621,259.21	27,009
8/4/2025	Michael R. Megna	CAO	Sell	17,000	$32.35	$549,950.00	33,041
7/14/2025	Eben Tessari	COO	Sell	18,900	$28.72	$542,808.00	49,163
6/16/2025	Eben Tessari	COO	Sell	17,300	$28.28	$489,244.00	61,563
6/11/2025	Barry D. Quart	Director	Sell	12,336	$30.39	$374,891.04	12,546
6/11/2025	Eben Tessari	COO	Sell	45,042	$30.51	$1,374,231.42	72,363
6/10/2025	Barry D. Quart	Director	Sell	8,212	$30.36	$249,316.32	12,546
6/10/2025	Eben Tessari	COO	Sell	15,506	$30.46	$472,312.76	72,363
6/9/2025	Barry D. Quart	Director	Sell	6,900	$30.26	$208,794.00	12,546
6/9/2025	Eben Tessari	COO	Sell	10,319	$30.38	$313,491.22	72,363
6/3/2025	Mark Ragosa	CFO	Sell	18,299	$28.80	$527,011.20	27,009
6/3/2025	Michael R. Megna	CAO	Sell	15,211	$28.75	$437,316.25	32,546
6/3/2025	Ross Moat	Insider	Sell	27,594	$29.02	$800,777.88	9,415
5/28/2025	Sanj K. Patel	CEO	Sell	62,116	$27.33	$1,697,630.28	96,674
5/27/2025	Sanj K. Patel	CEO	Sell	19,317	$27.01	$521,752.17	96,674
5/23/2025	Sanj K. Patel	CEO	Sell	4,837	$27.00	$130,599.00	96,674
5/19/2025	Eben Tessari	COO	Sell	12,000	$26.41	$316,920.00	72,363
5/13/2025	Sanj K. Patel	CEO	Sell	2,872	$27.03	$77,630.16	96,674
5/8/2025	Sanj K. Patel	CEO	Sell	101	$27.00	$2,727.00	96,674
5/7/2025	John F. Paolini	Insider	Sell	200	$27.00	$5,400.00	57,403
5/7/2025	Michael R. Megna	CAO	Sell	17,647	$26.69	$470,998.43	32,546
5/5/2025	Ross Moat	Insider	Sell	6,272	$28.00	$175,616.00	9,415
5/1/2025	Ross Moat	Insider	Sell	23,234	$28.02	$651,016.68	9,415
4/30/2025	Mark Ragosa	CFO	Sell	21,254	$26.95	$572,795.30	27,009
4/29/2025	Ross Moat	Insider	Sell	64,035	$25.21	$1,614,322.35	9,415
4/21/2025	Ross Moat	Insider	Sell	18,259	$20.29	$370,475.11	9,415
4/14/2025	Eben Tessari	COO	Sell	12,000	$20.48	$245,760.00	77,363
3/19/2025	Mark Ragosa	CFO	Sell	8,879	$23.10	$205,104.90	23,382
3/17/2025	Mark Ragosa	CFO	Sell	11,464	$23.10	$264,818.40	23,382
3/12/2025	Mark Ragosa	CFO	Sell	36,372	$22.25	$809,277.00	22,958
3/12/2025	Michael R. Megna	CAO	Sell	9,051	$22.45	$203,194.95	26,528
2/10/2025	Eben Tessari	COO	Sell	14,000	$19.57	$273,980.00	81,975
1/13/2025	Eben Tessari	COO	Sell	14,000	$18.24	$255,360.00	88,975
12/5/2024	Mark Ragosa	CFO	Sell	1,123	$21.25	$23,863.75	22,958
12/3/2024	Mark Ragosa	CFO	Sell	8,969	$21.45	$192,385.05	22,958
10/15/2024	Eben Tessari	COO	Sell	17,000	$26.87	$456,790.00	109,975
9/23/2024	Eben Tessari	COO	Sell	17,500	$24.99	$437,325.00	116,975
9/3/2024	John F. Paolini	Insider	Sell	60,692	$26.12	$1,585,275.04	52,038
8/27/2024	Eben Tessari	COO	Sell	17,500	$26.91	$470,925.00	119,911
7/23/2024	John F. Paolini	Insider	Sell	22,000	$26.32	$579,040.00	47,803
7/23/2024	Mark Ragosa	CFO	Sell	24,248	$24.79	$601,107.92	19,253
7/23/2024	Sanj K. Patel	CEO	Sell	136,124	$25.65	$3,491,580.60	63,012
3/6/2024	Sanj K. Patel	CEO	Sell	5,582	$21.00	$117,222.00	65,012
3/4/2024	Sanj K. Patel	CEO	Sell	12,742	$21.49	$273,825.58	70,594
3/1/2024	Michael R. Megna	CAO	Sell	9,659	$21.45	$207,185.55	17,588
2/28/2024	Michael R. Megna	CAO	Sell	5,126	$21.79	$111,695.54	17,588
1/3/2024	Mark Ragosa	CFO	Sell	12,000	$20.00	$240,000.00	15,632
1/2/2024	Michael R. Megna	CAO	Sell	16,670	$19.17	$319,563.90	17,005
12/19/2023	Michael R. Megna	CAO	Sell	9,316	$19.13	$178,215.08	17,005
12/7/2023	John F. Paolini	Insider	Sell	28,600	$17.65	$504,790.00	44,892
9/5/2023	John F. Paolini	Insider	Sell	400	$17.53	$7,012.00	44,892
7/25/2023	John F. Paolini	Insider	Sell	29,000	$19.14	$555,060.00	41,910

SEC Filings (Institutional Ownership Changes) for Kiniksa Pharmaceuticals International (NASDAQ:KNSA)

53.95% of Kiniksa Pharmaceuticals International stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Kiniksa Pharmaceuticals International Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
11/19/2025	Danske Bank A S	30,389	$1.18M	0.0%	N/A	0.040%
11/17/2025	Castleark Management LLC	158,632	$6.16M	0.2%	N/A	0.209%
11/17/2025	PDT Partners LLC	101,622	$3.95M	0.2%	-1.2%	0.134%
11/17/2025	Dark Forest Capital Management LP	43,346	$1.68M	0.0%	-10.1%	0.057%
11/17/2025	PharVision Advisers LLC	6,722	$0.26M	0.1%	N/A	0.009%
11/17/2025	Voleon Capital Management LP	89,166	$3.46M	0.1%	N/A	0.118%
11/17/2025	Voloridge Investment Management LLC	298,347	$11.59M	0.0%	-10.7%	0.394%
11/17/2025	Prosperity Wealth Management Inc.	13,900	$0.54M	0.2%	N/A	0.018%
11/17/2025	Quarry LP	1,126	$44K	0.0%	N/A	0.001%
11/17/2025	Qube Research & Technologies Ltd	689,888	$26.79M	0.0%	-22.3%	0.910%
11/17/2025	Parkman Healthcare Partners LLC	671,592	$26.08M	2.7%	+37.4%	0.886%
11/17/2025	Nomura Holdings Inc.	397,139	$15.42M	0.0%	N/A	0.524%
11/17/2025	Mariner LLC	13,253	$0.52M	0.0%	+5.8%	0.017%
11/17/2025	Millennium Management LLC	1,014,125	$39.38M	0.0%	-0.6%	1.338%
11/17/2025	Jain Global LLC	20,927	$0.81M	0.0%	-62.3%	0.028%
11/17/2025	Granahan Investment Management LLC	283,571	$11.01M	0.5%	-8.8%	0.374%
11/17/2025	Bank of America Corp DE	495,483	$19.24M	0.0%	+81.7%	0.654%
11/17/2025	Braidwell LP	643,180	$24.98M	0.7%	-41.7%	0.849%
11/17/2025	ArrowMark Colorado Holdings LLC	340,627	$13.23M	0.2%	-26.9%	0.449%
11/17/2025	Algert Global LLC	35,847	$1.39M	0.0%	-84.6%	0.047%
11/17/2025	Ameriprise Financial Inc.	33,546	$1.30M	0.0%	+4.0%	0.044%
11/14/2025	Schonfeld Strategic Advisors LLC	83,881	$3.26M	0.0%	+22.0%	0.111%
11/14/2025	Lazard Asset Management LLC	138,312	$5.37M	0.0%	+811.1%	0.182%
11/14/2025	Raymond James Financial Inc.	79,079	$3.07M	0.0%	-6.9%	0.104%
11/14/2025	Rubric Capital Management LP	4,000,000	$155.32M	1.8%	+2.3%	5.277%
11/14/2025	Man Group plc	67,905	$2.64M	0.0%	N/A	0.090%
11/14/2025	ADAR1 Capital Management LLC	75,187	$2.92M	0.3%	+33.0%	0.099%
11/14/2025	Brooklyn Investment Group	8,482	$0.33M	0.0%	+629.3%	0.011%
11/14/2025	UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC	55,519	$2.16M	0.0%	-47.0%	0.073%
11/14/2025	Two Sigma Investments LP	461,770	$17.93M	0.0%	+182.0%	0.609%
11/14/2025	Squarepoint Ops LLC	85,198	$3.31M	0.0%	-79.5%	0.112%
11/13/2025	Jump Financial LLC	112,935	$4.39M	0.0%	-50.0%	0.149%
11/13/2025	Arrowstreet Capital Limited Partnership	1,068,263	$41.48M	0.0%	+45.3%	1.409%
11/13/2025	Sei Investments Co.	171,169	$6.65M	0.0%	+68.6%	0.226%
11/13/2025	UBS Group AG	49,817	$1.93M	0.0%	+62.7%	0.066%
11/13/2025	Connor Clark & Lunn Investment Management Ltd.	725,355	$28.17M	0.1%	+16.3%	0.957%
11/13/2025	BNP Paribas Financial Markets	653,411	$25.37M	0.0%	+53.4%	0.862%
11/13/2025	Vestcor Inc	5,623	$0.22M	0.0%	N/A	0.007%
11/13/2025	Swiss National Bank	65,700	$2.55M	0.0%	+1.7%	0.087%
11/13/2025	Russell Investments Group Ltd.	49,182	$1.91M	0.0%	-19.5%	0.065%
11/13/2025	First Trust Advisors LP	8,065	$0.31M	0.0%	-71.6%	0.011%
11/12/2025	Orion Porfolio Solutions LLC	8,808	$0.34M	0.0%	N/A	0.012%
11/12/2025	Dimensional Fund Advisors LP	632,123	$24.55M	0.0%	-2.5%	0.834%
11/12/2025	Legato Capital Management LLC	57,641	$2.24M	0.2%	+13.8%	0.076%
11/12/2025	Kingsview Wealth Management LLC	9,941	$0.39M	0.0%	N/A	0.013%
11/12/2025	Fisher Asset Management LLC	282,288	$10.96M	0.0%	+176.1%	0.372%
11/12/2025	Fox Run Management L.L.C.	13,563	$0.53M	0.1%	-62.1%	0.018%
11/10/2025	Hillsdale Investment Management Inc.	225,374	$8.75M	0.3%	+12.4%	0.297%
11/10/2025	China Universal Asset Management Co. Ltd.	7,620	$0.30M	0.0%	-10.4%	0.010%
11/7/2025	GSA Capital Partners LLP	77,984	$3.03M	0.3%	+281.9%	0.105%
11/7/2025	Vanguard Group Inc.	3,063,135	$118.94M	0.0%	-2.2%	4.133%
11/7/2025	JPMorgan Chase & Co.	192,456	$7.47M	0.0%	+42.3%	0.260%
11/7/2025	PNC Financial Services Group Inc.	1,901	$74K	0.0%	-45.5%	0.003%
11/7/2025	Aberdeen Group plc	158,722	$6.16M	0.0%	N/A	0.214%
11/6/2025	Baader Bank Aktiengesellschaft	9,040	$0.35M	0.0%	N/A	0.012%
11/6/2025	Essex Investment Management Co. LLC	247,301	$9.60M	1.5%	+44.3%	0.334%
11/6/2025	Bryce Point Capital LLC	6,831	$0.27M	0.3%	N/A	0.009%
11/6/2025	Roman Butler Fullerton & Co.	5,388	$0.20M	0.1%	N/A	0.007%
11/5/2025	Savant Capital LLC	15,909	$0.62M	0.0%	+10.6%	0.021%
11/4/2025	State of Wyoming	7,962	$0.31M	0.0%	N/A	0.011%
11/3/2025	TD Waterhouse Canada Inc.	2,040	$79K	0.0%	+1,673.9%	0.003%
11/3/2025	Mirae Asset Global Investments Co. Ltd.	11,701	$0.45M	0.0%	+615.7%	0.016%
10/31/2025	James Investment Research Inc.	7,027	$0.27M	0.0%	N/A	0.009%
10/31/2025	Y Intercept Hong Kong Ltd	6,395	$0.25M	0.0%	-89.3%	0.009%
10/30/2025	Bailard Inc.	5,854	$0.23M	0.0%	N/A	0.008%
10/30/2025	Universal Beteiligungs und Servicegesellschaft mbH	60,344	$2.34M	0.0%	+560.2%	0.081%
10/28/2025	Campbell & CO Investment Adviser LLC	38,117	$1.48M	0.1%	N/A	0.051%
10/27/2025	Nordea Investment Management AB	131,074	$5.02M	0.0%	+0.7%	0.177%
10/24/2025	Oregon Public Employees Retirement Fund	2,324	$90K	0.0%	N/A	0.003%
10/24/2025	State of Alaska Department of Revenue	2,268	$88K	0.0%	N/A	0.003%
10/23/2025	Peregrine Capital Management LLC	214,364	$8.32M	0.3%	-25.7%	0.289%
10/23/2025	SG Americas Securities LLC	139,318	$5.41M	0.0%	+3.7%	0.188%
10/22/2025	Hennion & Walsh Asset Management Inc.	121,819	$4.73M	0.2%	-8.4%	0.164%
10/22/2025	Asset Management One Co. Ltd.	8,223	$0.32M	0.0%	-39.0%	0.011%
10/16/2025	Rice Hall James & Associates LLC	577,822	$22.44M	1.2%	-9.5%	0.780%
10/16/2025	Sheets Smith Wealth Management	7,162	$0.28M	0.0%	N/A	0.010%
10/15/2025	CWM LLC	19,841	$0.77M	0.0%	-4.2%	0.027%
10/14/2025	Farther Finance Advisors LLC	1,358	$53K	0.0%	+582.4%	0.002%
10/14/2025	Juncture Wealth Strategies LLC	6,864	$0.27M	0.1%	N/A	0.009%
10/10/2025	USA Financial Formulas	816	$32K	0.0%	N/A	0.001%
10/9/2025	Toth Financial Advisory Corp	21,565	$0.84M	0.1%	+101.5%	0.029%
10/9/2025	Voya Investment Management LLC	7,865	$0.31M	0.0%	-60.8%	0.011%
10/8/2025	Sheets Smith Investment Management	16,992	$0.66M	0.4%	N/A	0.023%
9/4/2025	Osaic Holdings Inc.	1,127	$31K	0.0%	N/A	0.002%
8/18/2025	Hudson Bay Capital Management LP	70,780	$1.96M	0.0%	-64.6%	0.096%
8/15/2025	Tower Research Capital LLC TRC	25,275	$0.70M	0.0%	+1,539.1%	0.034%
8/15/2025	Soleus Capital Management L.P.	254,689	$7.05M	0.5%	-45.8%	0.344%
8/15/2025	Rubric Capital Management LP	3,909,806	$108.18M	1.6%	+15.6%	5.276%
8/15/2025	Lazard Asset Management LLC	15,181	$0.42M	0.0%	+428.8%	0.020%
8/15/2025	Hudson Bay Capital Management LP	70,780	$1.96M	0.0%	-64.6%	0.096%
8/15/2025	Engineers Gate Manager LP	59,275	$1.64M	0.0%	N/A	0.080%
8/15/2025	Cubist Systematic Strategies LLC	657,475	$18.19M	0.1%	+213.2%	0.887%
8/15/2025	BNP Paribas Financial Markets	425,947	$11.79M	0.0%	+88.9%	0.575%
8/15/2025	Braidwell LP	1,102,580	$30.51M	1.0%	-43.8%	1.488%
8/15/2025	Bank of America Corp DE	272,629	$7.54M	0.0%	+13.8%	0.368%
8/15/2025	Ameriprise Financial Inc.	32,257	$0.89M	0.0%	-13.5%	0.044%
8/15/2025	AQR Capital Management LLC	398,232	$11.02M	0.0%	-19.0%	0.537%
8/14/2025	PDT Partners LLC	102,886	$2.85M	0.2%	+121.7%	0.139%
8/14/2025	California State Teachers Retirement System	31,498	$0.87M	0.0%	-8.2%	0.043%
8/14/2025	Raymond James Financial Inc.	84,915	$2.35M	0.0%	-18.1%	0.115%

Data available starting January 2016

Kiniksa Pharmaceuticals, Ltd., a biopharmaceutical company, focuses on discovering, acquiring, developing, and commercializing therapeutic medicines for patients suffering from debilitating diseases with significant unmet medical needs worldwide. Its product candidates include ARCALYST, an interleukin-1alpha and interleukin-1beta, for the treatment of recurrent pericarditis, which is an inflammatory cardiovascular disease; Mavrilimumab, a monoclonal antibody inhibitor that completed Phase II clinical trials for the treatment of giant cell arteritis; Vixarelimab, a monoclonal antibody, that is in Phase 2b clinical trial for the treatment of prurigo nodularis, a chronic inflammatory skin condition; and KPL-404, a monoclonal antibody inhibitor of the CD40- CD154 interaction, a T-cell co-stimulatory signal critical for B-cell maturation, immunoglobulin class switching, and type 1 immune response. The company was incorporated in 2015 and is based in Hamilton, Bermuda.

Today's Range

Now: $40.99

$39.79

$41.48

50 Day Range

MA: $39.46

$36.49

$42.71

52 Week Range

Now: $40.99

$17.82

$42.98

Volume

331,068 shs

Average Volume

299,683 shs

Market Capitalization

$3.11 billion

P/E Ratio

91.09

Dividend Yield

N/A

Beta

0.02

Who are the company insiders with the largest holdings of Kiniksa Pharmaceuticals International?: Kiniksa Pharmaceuticals International's top insider shareholders include:
Eben Tessari (COO)
Sanj K Patel (CEO)
John F Paolini (Insider)
Michael R Megna (CAO)
Mark Ragosa (CFO)
Barry D Quart (Director)
Thomas Malley (Director)
Ross Moat (Insider)
Learn More about top insider investors at Kiniksa Pharmaceuticals International.
Who are the major institutional investors of Kiniksa Pharmaceuticals International?: Kiniksa Pharmaceuticals International's top institutional shareholders include:
Rubric Capital Management LP — 5.28%
Vanguard Group Inc. — 4.13%
Arrowstreet Capital Limited Partnership — 1.41%
Millennium Management LLC — 1.34%
Connor Clark & Lunn Investment Management Ltd. — 0.96%
Qube Research & Technologies Ltd — 0.91%
Learn More about top institutional investors of Kiniksa Pharmaceuticals International stock.
Which major investors are selling Kiniksa Pharmaceuticals International stock?: During the last quarter, KNSA stock was sold by these institutional investors:
Caption Management LLC
Braidwell LP
Squarepoint Ops LLC
Qube Research & Technologies Ltd
Algert Global LLC
ArrowMark Colorado Holdings LLC
Jump Financial LLC
Peregrine Capital Management LLC
During the previous year, company insiders that have sold Kiniksa Pharmaceuticals International company stock include:
Eben Tessari (COO)
Sanj K Patel (CEO)
John F Paolini (Insider)
Michael R Megna (CAO)
Mark Ragosa (CFO)
Barry D Quart (Director)
Thomas Malley (Director)
Ross Moat (Insider)
Learn More investors selling Kiniksa Pharmaceuticals International stock.
Which major investors are buying Kiniksa Pharmaceuticals International stock?: In the previous quarter, KNSA stock was bought by institutional investors including:
Nomura Holdings Inc.
Arrowstreet Capital Limited Partnership
Two Sigma Investments LP
BNP Paribas Financial Markets
Bank of America Corp DE
Parkman Healthcare Partners LLC
Fisher Asset Management LLC
Aberdeen Group plc