CytomX Therapeutics, Inc. (CTMX) - Insider Holders & Insider Ownership

List of insiders holdings for CytomX Therapeutics, Inc.:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#Insider Holder NameReport
Date Time
Shares Owned
Directly
Indirectly
Total
Shares Owned
Filing
1BVF PARTNERS L P
BIOTECHNOLOGY VALUE FUND L P
BVF I GP LLC
BIOTECHNOLOGY VALUE FUND II LP
BVF II GP LLC
Biotechnology Value Trading Fund OS LP
BVF Partners OS Ltd.
BVF GP HOLDINGS LLC
BVF INC
LAMPERT MARK N
See Explanation of Responses
2025-07-09 19:55:345,769,231
0
5,769,231Form 13G
2SHANNON TIMOTHY M
Director
2016-12-01 14:35:01448
3,244,381
3,244,829Form 4
3McCarthy Sean A.
CEO
2026-03-19 18:35:341,078,922
93,158
1,172,080Form 4
4Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT CO
Deerfield Special Situations Fund L.P.
Deerfield Mgmt III L.P.
Deerfield Private Design Fund III L.P.
Possible Member of 10% Group
10% Owner
2015-10-14 12:37:56946,024
0
946,024Form 13G
5Hadley Harbor Master Investors (Cayman) L.P.
10% Owner
2015-10-14 15:36:21749,055
0
749,055Form 4
6Carvajal Alejandra
Chief Legal Officer
2026-08-05 19:33:34550,000
0
550,000Form 4
7Goeltz II Robert C.
Chief Financial Officer
2017-05-16 16:57:43323,325
0
323,325Form 4
8BELVIN MARCIA
SVP, Chief Scientific Officer
2026-03-19 18:25:33300,760
0
300,760Form 4
9Ogden Christopher
Chief Financial Officer
2026-06-17 18:38:53295,324
0
295,324Form 4
10THIRD ROCK VENTURES LP
Third Rock Ventures GP L.P.
TRV GP LLC
LEVIN MARK J
STARR KEVIN P
TEPPER ROBERT I
10% Owner
2019-02-13 16:07:03227,653
0
227,653Form 13G
11Chu Yu-Waye
Chief Medical Officer
2026-03-19 18:41:25189,446
0
189,446Form 4
12Landau Jeffrey B
Chief Business Officer
2024-08-22 18:01:51119,056
7,680
126,736Form 4
13ROWLAND LLOYD A
General Counsel
2025-03-20 16:32:22120,594
0
120,594Form 4
14Kavanaugh William Michael
CSO, Head Res.&Non-Clin. Dev.
2020-02-19 18:41:18120,000
0
120,000Form 4
15Lester Rachael
Chief Business Officer
2026-02-04 16:28:36120,000
0
120,000Form 4
16Fuchs Charles S.
Director
2026-07-30 17:07:20118,000
0
118,000Form 4
17RAY DEBANJAN
Chief Financial Officer
2019-01-29 18:57:0990,000
0
90,000Form 4
18HUMPHREY RACHEL
Chief Medical Officer
2019-01-29 19:00:0390,000
0
90,000Form 4
19LADD CYNTHIA J
Senior VP and General Counsel
2017-01-27 13:52:1584,000
0
84,000Form 4
20Su Zhen
Director
2026-06-22 16:53:2659,000
0
59,000Form 4
21Young Matthew P.
Director
2026-06-22 16:52:2659,000
0
59,000Form 4
22Mohindru Mani
Director
2026-06-22 16:50:3559,000
0
59,000Form 4
23Meyers James R
Director
2026-06-22 16:49:3959,000
0
59,000Form 4
24Gilbert Halley E
Director
2026-06-22 16:48:3259,000
0
59,000Form 4
25Ashworth Alan
Director
2026-06-22 16:47:3459,000
0
59,000Form 4
26Jones Elaine V
Director
2026-06-22 16:45:3759,000
0
59,000Form 4
27Peterson Amy C.
EVP, Chief Development Officer
2023-03-20 18:43:2658,433
0
58,433Form 4
28Campoy Carlos
Chief Financial Officer
2023-03-20 18:43:3338,224
0
38,224Form 4
29Knifsend Robin
Principal Accounting Officer
2020-02-21 12:34:4334,000
0
34,000Form 4
30HANNAH ALISON L.
Chief Medical Officer
2022-07-21 16:09:2531,898
0
31,898Form 4
31GLUCK FREDERICK W
Director
2022-06-17 16:05:3825,000
0
25,000Form 4
32SCARLETT JOHN A
Director
2021-06-17 18:46:3920,000
0
20,000Form 4
33Huh Hoyoung
Director
2018-06-15 17:51:3614,000
0
14,000Form 4
34McCourt Marion
Director
2017-06-22 13:58:1714,000
0
14,000Form 4
35Exter Neil
Director
2017-06-22 13:56:5814,000
0
14,000Form 4
36Canaan IX L.P.
Canaan Partners IX LLC
Director
2017-07-07 08:40:320
0
0Form 13G