| Charles R. Romp |
CELC |
Common Stock |
Award |
|
|
|
215 |
215 |
11 Feb 2026 |
Direct |
| David Dalvey |
CELC |
Common Stock |
Sale |
-18.2% |
$2,400,538 |
$120.03 |
-20,000 |
90,000 |
27 Jan 2026 |
By Brightstone Venture Capital Fund, LP |
| Richard J. Nigon |
CELC |
Common Stock |
Gift |
-18.3% |
|
|
-19,975 |
89,035 |
15 Dec 2025 |
Direct |
| Richard E. Buller |
CELC |
Common Stock |
Sale |
-30.7% |
$317,070 |
$105.69 |
-3,000 |
6,760 |
05 Dec 2025 |
By Trust |
| Richard E. Buller |
CELC |
Common Stock |
Options Exercise |
44.4% |
|
|
3,000 |
9,760 |
05 Dec 2025 |
By Trust |
| Richard E. Buller |
CELC |
Stock Option (right to buy) |
Options Exercise |
-65.9% |
|
|
-3,000 |
1,555 |
05 Dec 2025 |
By Trust |
| Leo Furcht Power |
CELC |
Common Stock |
Options Exercise |
2.33% |
|
|
250 |
11,000 |
04 Dec 2025 |
Direct |
| Leo Furcht Power |
CELC |
Stock Option (right to buy) |
Options Exercise |
-100% |
|
|
-250 |
0 |
04 Dec 2025 |
Direct |
| Richard E. Buller |
CELC |
Common Stock |
Gift |
-6.89% |
|
|
-500 |
6,760 |
02 Dec 2025 |
By Trust |
| Richard E. Buller |
CELC |
Common Stock |
Sale |
-13.2% |
$107,948 |
$98.13 |
-1,100 |
7,260 |
01 Dec 2025 |
By Trust |
| Richard E. Buller |
CELC |
Common Stock |
Options Exercise |
15.2% |
|
|
1,100 |
8,360 |
01 Dec 2025 |
By Trust |
| Richard E. Buller |
CELC |
Stock Option (right to buy) |
Options Exercise |
-42% |
|
|
-1,100 |
1,522 |
01 Dec 2025 |
By Trust |
| David Dalvey |
CELC |
Common Stock |
Sale |
-12% |
$1,500,016 |
$100.00 |
-15,000 |
110,000 |
21 Nov 2025 |
By Brightstone Venture Capital Fund, LP |
| Richard E. Buller |
CELC |
Common Stock |
Sale |
-35% |
$377,255 |
$96.73 |
-3,900 |
7,260 |
20 Nov 2025 |
By Trust |
| Richard E. Buller |
CELC |
Common Stock |
Options Exercise |
53.7% |
|
|
3,900 |
11,160 |
20 Nov 2025 |
By Trust |
| Richard E. Buller |
CELC |
Stock Option (right to buy) |
Options Exercise |
-59.8% |
|
|
-3,900 |
2,622 |
20 Nov 2025 |
By Trust |
| Richard E. Buller |
CELC |
Common Stock |
Gift |
-6.44% |
|
|
-500 |
7,260 |
19 Nov 2025 |
By Trust |
| Richard J. Nigon |
CELC |
Common Stock |
Exercise of in-the-money or at-the-money derivative security |
7.83% |
|
|
7,917 |
109,010 |
11 Sep 2025 |
Direct |
| Richard J. Nigon |
CELC |
Warrants (right to buy) |
Exercise of in-the-money or at-the-money derivative security |
-100% |
|
|
-7,917 |
0 |
11 Sep 2025 |
Direct |
| Baker Bros. Advisors Lp |
CELC |
Common Stock |
Purchase |
2.42% |
$9,571,319 |
$56.27 |
170,100 |
7,211,484 |
08 Sep 2025 |
See Footnotes |
| Brian F. Sullivan |
CELC |
Common Stock |
Exercise of in-the-money or at-the-money derivative security |
8.24% |
|
|
104,340 |
1,370,199 |
02 Sep 2025 |
Direct |
| Brian F. Sullivan |
CELC |
Warrants (right to buy) |
Exercise of in-the-money or at-the-money derivative security |
-100% |
|
|
-104,340 |
0 |
02 Sep 2025 |
Direct |
| Vicky Hahne |
CELC |
Stock Option (right to buy) |
Award |
|
|
|
80,000 |
80,000 |
18 Aug 2025 |
Direct |
| Lance G. Laing |
CELC |
Stock Option (right to buy) |
Award |
|
|
|
100,000 |
100,000 |
18 Aug 2025 |
Direct |
| Brian F. Sullivan |
CELC |
Stock Option (right to buy) |
Award |
|
|
|
400,000 |
250,000 |
18 Aug 2025 |
Direct |
| David Dalvey |
CELC |
Common Stock |
Sale |
-44.4% |
|
|
-100,000 |
125,000 |
28 Jul 2025 |
By Brightstone Venture Capital Fund, LP |
| David Dalvey |
CELC |
Common Stock |
Sale |
-100% |
|
|
-9,325 |
0 |
28 Jul 2025 |
Direct |
| Richard E. Buller |
CELC |
Stock Option (right to buy) |
Gift |
|
|
|
6,522 |
6,522 |
28 May 2025 |
By Trust |
| Richard E. Buller |
CELC |
Stock Option (right to buy) |
Gift |
-100% |
|
|
-6,522 |
0 |
28 May 2025 |
Direct |
| Polly A. Murphy |
CELC |
Stock Option (right to buy) |
Gift |
|
|
|
8,153 |
8,153 |
28 May 2025 |
By Trust |
| Polly A. Murphy |
CELC |
Stock Option (right to buy) |
Gift |
-100% |
|
|
-8,153 |
0 |
28 May 2025 |
Direct |
| Richard E. Buller |
CELC |
Common Stock |
Gift |
16.2% |
|
|
1,079 |
7,760 |
27 May 2025 |
By Trust |
| Richard E. Buller |
CELC |
Common Stock |
Gift |
-51.2% |
|
|
-1,079 |
1,029 |
27 May 2025 |
Direct |
| David Dalvey |
CELC |
Stock Option (right to buy) |
Award |
|
|
|
14,048 |
14,048 |
19 May 2025 |
Direct |
| Richard E. Buller |
CELC |
Common Stock |
Award |
95.4% |
|
|
1,029 |
2,108 |
19 May 2025 |
Direct |
| Richard E. Buller |
CELC |
Stock Option (right to buy) |
Award |
|
|
|
12,503 |
12,503 |
19 May 2025 |
Direct |
| Richard Nigon |
CELC |
Stock Option (right to buy) |
Award |
|
|
|
14,048 |
14,048 |
19 May 2025 |
Direct |
| Leo Furcht Power |
CELC |
Stock Option (right to buy) |
Award |
|
|
|
14,048 |
14,048 |
19 May 2025 |
Direct |
| Polly A. Murphy |
CELC |
Stock Option (right to buy) |
Award |
|
|
|
14,048 |
14,048 |
19 May 2025 |
Direct |
| Brian F. Sullivan |
CELC |
Common Stock |
Gift |
0.65% |
|
|
8,155 |
1,265,859 |
14 Apr 2025 |
Direct |
| Brian F. Sullivan |
CELC |
Common Stock |
Gift |
-100% |
|
|
-8,155 |
0 |
14 Apr 2025 |
By Spouse |