Celcuity Inc. (CELC) has 12 known insider and institutional holders on record. The largest holder is BAKER BROS. ADVISORS LP with 703,920 shares. Other notable holders include Sullivan Brian F. and Laing Lance G..
Over the last 12 months, insiders have made 29 transactions in CELC stock — 10 buys (valued at $18.4M) and 4 sells (valued at $4.07M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
CELC Insider Ownership
Top Holder
BAKER BROS. ADVISORS LP
703,920 shares
Buys (12 mo)
10
$18.4M value
Sells (12 mo)
4
$4.07M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Baker Bros. Advisors Lp |
10 Percent Owner |
703,920 |
2025-09-10 |
|
| 2 |
Sullivan Brian F. |
Chief Executive Officer |
150,000 |
2025-08-20 |
|
| 3 |
Laing Lance G. |
Chief Science Officer |
100,000 |
2025-08-20 |
|
| 4 |
Dalvey David |
Director |
90,000 |
2026-01-29 |
|
| 5 |
Nigon Richard |
Director |
89,035 |
2026-01-09 |
|
| 6 |
Hahne Vicky |
Chief Financial Officer |
80,000 |
2025-08-20 |
|
| 7 |
Murphy Polly A. |
Director |
14,048 |
2025-05-21 |
|
| 8 |
Furcht Leo |
Director |
14,048 |
2025-05-21 |
|
| 9 |
Sullivan Brian F |
10 Percent Owner, Officer: Chief Executive Officer |
8,220 |
2017-10-16 |
|
| 10 |
Buller Richard E |
Director |
6,760 |
2026-04-02 |
|
| 11 |
Cronin Maureen Therese |
Director |
5,054 |
2019-05-20 |
|
| 12 |
Romp Charles R |
Director |
215 |
2026-02-13 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-31 |
Buller Richard E |
Director |
Informative Sell |
675 |
$110.83 |
$74.81K |
| 2026-02-11 |
Romp Charles R |
Director |
RSU Award |
215 |
- |
- |
| 2026-02-11 |
Romp Charles R |
Officer |
Unknown |
- |
- |
- |
| 2026-01-27 |
Dalvey David |
Director |
Informative Sell |
20,000 |
$120.03 |
$2.4M |
| 2025-12-15 |
Nigon Richard |
Director |
Gift (Given) |
19,975 |
- |
- |
| 2025-12-05 |
Buller Richard E |
Director |
Option Exercise (Sell) |
3,000 |
$5.50 |
$16.5K |
| 2025-12-04 |
Furcht Leo |
Director |
Option Exercise (Sell) |
250 |
$7.60 |
$1.9K |
| 2025-12-02 |
Buller Richard E |
Director |
Gift (Given) |
500 |
- |
- |
| 2025-12-01 |
Buller Richard E |
Director |
Option Exercise (Sell) |
1,100 |
$14.83 |
$16.31K |
| 2025-11-21 |
Dalvey David |
Director |
Informative Sell |
15,000 |
$100.00 |
$1.5M |
| 2025-11-20 |
Buller Richard E |
Director |
Option Exercise (Sell) |
3,900 |
$14.83 |
$57.84K |
| 2025-11-19 |
Buller Richard E |
Director |
Gift (Given) |
500 |
- |
- |
| 2025-09-11 |
Nigon Richard |
Director |
Option Exercise (ITM) |
3,245 |
$7.56 |
$24.54K |
| 2025-09-08 |
Baker Bros. Advisors Lp |
10 Percent Owner |
Informative Buy |
13,976 |
$56.22 |
$785.73K |
| 2025-09-02 |
Sullivan Brian F. |
Chief Executive Officer |
Option Exercise (ITM) |
104,340 |
$8.05 |
$839.94K |
| 2025-08-18 |
Hahne Vicky |
Chief Financial Officer |
RSU Award |
80,000 |
$51.57 |
$4.13M |
| 2025-08-18 |
Laing Lance G. |
Chief Science Officer |
RSU Award |
100,000 |
$51.57 |
$5.16M |
| 2025-08-18 |
Sullivan Brian F. |
Chief Executive Officer |
RSU Award |
150,000 |
$51.57 |
$7.74M |
| 2025-08-01 |
Baker Bros. Advisors Lp |
10 Percent Owner |
Unknown |
5,666,350 |
$0.00 |
$5.67K |
| 2025-07-28 |
Dalvey David |
Director |
Informative Sell |
2,025 |
$46.05 |
$93.25K |
| 2025-05-28 |
Murphy Polly A. |
Director |
Gift (Given) |
8,153 |
$14.83 |
$120.91K |
| 2024-06-24 |
Murphy Polly A. |
Director |
Gift (Given) |
11,645 |
$9.58 |
$111.56K |
| 2025-05-28 |
Buller Richard E |
Director |
Gift (Given) |
6,522 |
$14.83 |
$96.72K |
| 2025-05-27 |
Buller Richard E |
Director |
Gift (Given) |
1,079 |
- |
- |
| 2025-05-19 |
Murphy Polly A. |
Director |
RSU Award |
14,048 |
$10.69 |
$150.17K |
