Insider Transactions Reported by 12 Insiders of CURIS INC

Symbol: CRIS on Nasdaq
Location: Lexington, MA

Quick Takeaways

CRIS - CURIS INC has 12 insiders with reported activity on this page.
Net insider value flow over the last year: +$5,487.
Recent transaction rows are available for direct filing-level review.

What Changed

Buy value: $5,487; sell value: $0.
Net share flow: +10,000.

Why This Matters

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Source Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to buying over the last 12 months. Net value: +$5,487.

Buys

$5,487

Shares: 10,000

Insiders: 1

Sells

Shares: 0

Insiders: 0

Net

+$5,487

Shares: +10,000

Insiders: 1

Window (months)	Buy shares	Buy $	Sell $	Net $
0-3	10,000	$5,487	$0	+$5,487
3-6	0	$0	$0	$0
6-9	0	$0	$0	$0
9-12	0	$0	$0	$0

CURIS INC executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
William Steinkrauss	Chief Financial Officer	$4,183,200			Mixed	29 Jan 2022
Robert Martell	Head of Research & Development	$4,067,000			Mixed	20 Jan 2023
James E. Dentzer	President & CEO, Director	$1,291,890			Mixed	20 Mar 2026
Lori Anne Kunkel	Director	$987,700			Mixed	31 Jan 2022
Ahmed Hamdy MD	Cmo	$570,000			Mixed	20 Mar 2026
Diantha Duvall	Cfo	$508,804			Mixed	20 Mar 2026
Jonathan B. Zung	Cdo	$496,550			Mixed	20 Mar 2026
Marc Rubin	Director	$76,271			Mixed	20 Mar 2026
Kenneth I. Kaitin	Director	$51,331	+$5,487	+12%	Mixed	31 Mar 2026
Anne Elizabeth Borgman	Director	$45,072			Mixed	20 May 2025
John Hohneker	Director	$45,072			Mixed	20 May 2025
Martyn D. Greenacre	Director	$45,072			Mixed	20 May 2025

Top shareholders of CURIS INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Stonepine Capital Management, LLC	13D/G 13F	Company	9.9%	4,025,992	$4,468,851	$0	17 Mar 2026	13D/G 13F
William Steinkrauss	3/4/5	Chief Financial Officer	— class O/S missing	360,000	$4,183,200	—	29 Jan 2022	3/4/5
Robert Martell	3/4/5	Head of Research & Development	— class O/S missing	350,000	$4,067,000	—	20 Jan 2023	3/4/5
Nantahala Capital Partners Limited Partnership	13D/G	—	7%	2,944,000	$2,973,440	$0	31 Mar 2026	13D/G
Nantahala Capital Management, LLC	13D/G	—	10%	4,215,165	$2,306,960	$0	31 Mar 2026	13D/G
Thomas A. Satterfield Jr.	13D/G	—	9.9%	1,035,762	$1,636,504	+$387,621	31 Mar 2025	13D/G
Bleichroeder LP	13D/G 13F	Company	9.9%	1,035,662	$1,636,346	$0	31 Mar 2025	13D/G 13F
James E. Dentzer	3/4/5	President & CEO, Director	— mixed-class rows	908,729 mixed-class rows	$1,291,890	—	20 Mar 2026	3/4/5
ARMISTICE CAPITAL, LLC	13D/G 13F	Company	10%	1,336,876	$1,270,032	+$275,868	31 Dec 2025	13D/G 13F
Lori Anne Kunkel	3/4/5	Director	— class O/S missing	85,000	$987,700	—	31 Jan 2022	3/4/5
M28 Capital Management LP	13D/G 13F	Company	4.8%	620,167	$616,198	$0	23 Jan 2026	13D/G 13F
Ahmed Hamdy MD	3/4/5	CMO	— mixed-class rows	466,668 mixed-class rows	$570,000	—	20 Mar 2026	3/4/5
Diantha Duvall	3/4/5	CFO	— mixed-class rows	412,705 mixed-class rows	$508,804	—	20 Mar 2026	3/4/5
Jonathan B. Zung	3/4/5	CDO	— mixed-class rows	401,668 mixed-class rows	$496,550	—	20 Mar 2026	3/4/5
VANGUARD GROUP INC	13F	Company	— mixed-class rows	389,387 mixed-class rows	$419,314	—	31 Dec 2025	13F
CM Management, LLC	13F	Company	0.77%	325,000	$320,808	—	31 Dec 2025	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.57%	240,917	$237,810	—	31 Dec 2025	13F
CITIGROUP INC	13F	Company	— mixed-class rows	176,840 mixed-class rows	$174,560	—	31 Dec 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	— mixed-class rows	113,745 mixed-class rows	$130,955	—	31 Dec 2025	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.32%	41,427	$103,153	—	31 Dec 2025	13F
Squarepoint Ops LLC	13F	Company	0.2%	86,483	$85,367	—	31 Dec 2025	13F
MAVERICK CAPITAL LTD	13D/G 13F	Company	0.4%	49,554	$82,260	-$1,048,833	30 Sep 2025	13D/G 13F
Marc Rubin	3/4/5	Director	— mixed-class rows	122,509 mixed-class rows	$76,271	—	20 Mar 2026	3/4/5
Focused Wealth Management, Inc	13F	Company	0.14%	59,846	$59,074	—	31 Dec 2025	13F
BlackRock, Inc.	13F	Company	— mixed-class rows	53,544 mixed-class rows	$52,943	—	31 Dec 2025	13F
NORTHERN TRUST CORP	13F	Company	— mixed-class rows	27,406 mixed-class rows	$52,473	—	31 Dec 2025	13F
JANE STREET GROUP, LLC	13F	Company	— mixed-class rows	36,066 mixed-class rows	$51,746	—	31 Dec 2025	13F
Kenneth I. Kaitin	3/4/5	Director	— mixed-class rows	25,807 mixed-class rows	$51,331	+$5,487	31 Mar 2026	3/4/5
Prospect Financial Services LLC	13F	Company	0.15%	19,833	$49,387	—	31 Dec 2025	13F
CITADEL ADVISORS LLC	13F	Company	0.11%	47,247	$46,637	—	31 Dec 2025	13F
Anne Elizabeth Borgman	3/4/5	Director	— class O/S missing	14,400	$45,072	—	20 May 2025	3/4/5
John Hohneker	3/4/5	Director	— class O/S missing	14,400	$45,072	—	20 May 2025	3/4/5
Martyn D. Greenacre	3/4/5	Director	— class O/S missing	14,400	$45,072	—	20 May 2025	3/4/5
Warberg Asset Management LLC	13F	Company	0.1%	40,286	$39,766	—	31 Dec 2025	13F
XTX Topco Ltd	13F	Company	0.06%	25,867	$25,533	—	31 Dec 2025	13F
LPL Financial LLC	13F	Company	0.05%	21,577	$21,299	—	31 Dec 2025	13F
STATE STREET CORP	13F	Company	0.05%	21,049	$20,777	—	31 Dec 2025	13F
FRANKLIN STREET ADVISORS INC /NC	13F	Company	0.05%	20,000	$19,742	—	31 Dec 2025	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.05%	19,277	$19,028	—	31 Dec 2025	13F
DRW Securities, LLC	13F	Company	0.04%	17,646	$17,418	—	31 Dec 2025	13F
MORGAN STANLEY	13F	Company	— mixed-class rows	6,557 mixed-class rows	$16,241	—	31 Dec 2025	13F
TWO SIGMA SECURITIES, LLC	13F	Company	0.03%	11,467	$11,319	—	31 Dec 2025	13F
Tower Research Capital LLC (TRC)	13F	Company	— mixed-class rows	6,314 mixed-class rows	$10,569	—	31 Dec 2025	13F
WELLS FARGO & COMPANY/MN	13F	Company	— mixed-class rows	2,335 mixed-class rows	$5,762	—	31 Dec 2025	13F
UBS Group AG	13F	Company	— mixed-class rows	3,864 mixed-class rows	$4,067	—	31 Dec 2025	13F
NBC SECURITIES, INC.	13F	Company	0.01%	1,500	$3,735	—	31 Dec 2025	13F
OSAIC HOLDINGS, INC.	13F	Company	— mixed-class rows	1,610 mixed-class rows	$1,743	—	31 Dec 2025	13F
Steward Partners Investment Advisory, LLC	13F	Company	0%	1,597	$1,576	—	31 Dec 2025	13F
GROUP ONE TRADING LLC	13F	Company	— mixed-class rows	733 mixed-class rows	$1,149	—	31 Dec 2025	13F
Cornerstone Planning Group LLC	13F	Company	0%	167	$433	—	31 Dec 2025	13F

Recent Insider Transactions by Companies or Individuals for CURIS INC

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Kenneth I. Kaitin	CRIS	Common Stock	Purchase	710.7%	$5,487	$0.5487	10,000	11,407	31 Mar 2026	Direct
Jonathan B. Zung	CRIS	Common Stock	Conversion of derivative security				66,667	66,667	20 Mar 2026	Direct
Jonathan B. Zung	CRIS	Series B Convertible Preferred Stock	Conversion of derivative security	-100%			-50	0	20 Mar 2026	Direct
Ahmed Hamdy MD	CRIS	Common Stock	Conversion of derivative security				66,667	66,667	20 Mar 2026	Direct
Ahmed Hamdy MD	CRIS	Series B Convertible Preferred Stock	Conversion of derivative security	-100%			-50	0	20 Mar 2026	Direct
Diantha Duvall	CRIS	Common Stock	Conversion of derivative security	603.8%			66,666	77,707	20 Mar 2026	Direct
Diantha Duvall	CRIS	Series B Convertible Preferred Stock	Conversion of derivative security	-100%			-50	0	20 Mar 2026	Direct
James E. Dentzer	CRIS	Common Stock	Conversion of derivative security	866%			133,333	148,730	20 Mar 2026	Direct
James E. Dentzer	CRIS	Series B Convertible Preferred Stock	Conversion of derivative security	-100%			-100	0	20 Mar 2026	Direct
Marc Rubin	CRIS	Common Stock	Conversion of derivative security	1850.6%			26,667	28,108	20 Mar 2026	Direct
Marc Rubin	CRIS	Series B Convertible Preferred Stock	Conversion of derivative security	-100%			-20	0	20 Mar 2026	Direct
Jonathan B. Zung	CRIS	Series C Warrant (right to buy)	Award				66,667	66,667	17 Mar 2026	Direct
Jonathan B. Zung	CRIS	Series B Warrant (right to buy)	Award				66,667	66,667	17 Mar 2026	Direct
Jonathan B. Zung	CRIS	Series A Warrant (right to buy)	Award				66,667	66,667	17 Mar 2026	Direct
Jonathan B. Zung	CRIS	Series B Convertible Preferred Stock	Award				50	50	17 Mar 2026	Direct
Ahmed Hamdy MD	CRIS	Series C Warrant (right to buy)	Award				66,667	66,667	17 Mar 2026	Direct
Ahmed Hamdy MD	CRIS	Series B Warrant (right to buy)	Award				66,667	66,667	17 Mar 2026	Direct
Ahmed Hamdy MD	CRIS	Series A Warrant (right to buy)	Award				66,667	66,667	17 Mar 2026	Direct
Ahmed Hamdy MD	CRIS	Series B Convertible Preferred Stock	Award				50	50	17 Mar 2026	Direct
Diantha Duvall	CRIS	Series C Warrant (right to buy)	Award				66,666	66,666	17 Mar 2026	Direct
Diantha Duvall	CRIS	Series B Warrant (right to buy)	Award				66,666	66,666	17 Mar 2026	Direct
Diantha Duvall	CRIS	Series A Warrant (right to buy)	Award				66,666	66,666	17 Mar 2026	Direct
Diantha Duvall	CRIS	Series B Convertible Preferred Stock	Award				50	50	17 Mar 2026	Direct
James E. Dentzer	CRIS	Series C Warrant (right to buy)	Award				133,333	133,333	17 Mar 2026	Direct
James E. Dentzer	CRIS	Series B Warrant (right to buy)	Award				133,333	133,333	17 Mar 2026	Direct
James E. Dentzer	CRIS	Series A Warrant (right to buy)	Award				133,333	133,333	17 Mar 2026	Direct
James E. Dentzer	CRIS	Series B Convertible Preferred Stock	Award				100	100	17 Mar 2026	Direct
Marc Rubin	CRIS	Series C Warrant (right to buy)	Award				26,667	26,667	17 Mar 2026	Direct
Marc Rubin	CRIS	Series B Warrant (right to buy)	Award				26,667	26,667	17 Mar 2026	Direct
Marc Rubin	CRIS	Series A Warrant (right to buy)	Award				26,667	26,667	17 Mar 2026	Direct
Marc Rubin	CRIS	Series B Convertible Preferred Stock	Award				20	20	17 Mar 2026	Direct
James E. Dentzer	CRIS	Employee stock option (right to buy)	Award				360,000	360,000	20 May 2025	Direct
John Hohneker	CRIS	Non Qualified Stock Option	Award				14,400	14,400	20 May 2025	Direct
Martyn D. Greenacre	CRIS	Non Qualified Stock Option	Award				14,400	14,400	20 May 2025	Direct
Marc Rubin	CRIS	Non Qualified Stock Option	Award				14,400	14,400	20 May 2025	Direct
Diantha Duvall	CRIS	Employee stock option (right to buy)	Award				135,000	135,000	20 May 2025	Direct
Anne Elizabeth Borgman	CRIS	Non Qualified Stock Option	Award				14,400	14,400	20 May 2025	Direct
Jonathan B. Zung	CRIS	Employee stock option (right to buy)	Award				135,000	135,000	20 May 2025	Direct
Kenneth I. Kaitin	CRIS	Non Qualified Stock Option	Award				14,400	14,400	20 May 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.