Harpoon Therapeutics Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqCM:HARP Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
12 Mar 24	SellUS$31,629,758	GAMCO Investors, Inc.	Company	1,375,331	US$23.00
12 Mar 24	SellUS$9,016,000	Gabelli & Company Investment Advisers, Inc.	Company	392,000	US$23.00
06 Mar 24	BuyUS$6,731,487	GAMCO Investors, Inc.	Company	293,200	US$22.98
26 Feb 24	BuyUS$0	GAMCO Investors, Inc.	Company	1,087,281	US$22.95
22 Feb 24	BuyUS$0	Gabelli & Company Investment Advisers, Inc.	Company	396,850	US$22.94
21 Feb 24	SellUS$116,495	GAMCO Investors, Inc.	Company	5,150	US$22.62
21 Feb 24	SellUS$109,709	Gabelli & Company Investment Advisers, Inc.	Company	4,850	US$22.62

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 543.9%.

Top 25 shareholders own 92.24% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
11.2%	Merck & Co., Inc.	2,399,824	US$55.2m	0%	no data
11%	Cormorant Asset Management, LP	2,349,060	US$54.1m	4,250%	2.27%
8.69%	New Leaf Venture Partners, LLC	1,859,169	US$42.8m	0%	26.26%
7.01%	RA Capital Management, L.P.	1,500,000	US$34.5m	0%	0.45%
7.01%	Commodore Capital LP	1,500,000	US$34.5m	0%	2.21%
6.97%	Franklin Resources, Inc.	1,492,368	US$34.3m	1,030%	0.01%
6.08%	Artal Group S.A.	1,300,000	US$29.9m	-31.7%	0.81%
5.06%	GAMCO Investors, Inc.	1,082,131	US$24.9m	0%	0.1%
4.11%	The Vanguard Group, Inc.	880,017	US$20.2m	676%	no data
3.84%	Soleus Capital Management, L.P.	820,638	US$18.9m	0%	1.77%
3.81%	Blackstone Alternative Asset Management L.P.	815,000	US$18.8m	0%	10.38%
3.2%	Citadel Advisors LLC	685,000	US$15.8m	1,300%	0.02%
2%	Ally Bridge Group	428,400	US$9.9m	0%	2.85%
1.83%	Gabelli & Company Investment Advisers, Inc.	392,000	US$9.0m	0%	1.87%
1.49%	BioImpact Capital LLC	319,670	US$7.4m	0%	1.3%
1.46%	MPM Asset Management, L.L.C.	313,136	US$7.2m	0%	2.57%
1.4%	Adage Capital Management, L.P.	300,000	US$6.9m	0%	0.01%
1.39%	Sio Capital Management, LLC	297,936	US$6.9m	77.3%	2.48%
1.17%	BlackRock, Inc.	249,834	US$5.7m	576%	no data
1.07%	Lion Point Capital, LP	228,900	US$5.3m	178%	4.42%
1.02%	Arix Bioscience plc	219,093	US$5.0m	0%	27.04%
0.7%	Geode Capital Management, LLC	149,262	US$3.4m	499%	no data
0.25%	Water Island Capital, LLC	54,472	US$1.3m	0%	0.14%
0.24%	Kennedy Capital Management LLC	52,160	US$1.2m	-1.56%	0.03%
0.23%	Goldman Sachs Group, Investment Banking and Securities Investments	48,948	US$1.1m	0%	no data