| Lindsey Rolfe |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
690,900 |
690,900 |
07 Jan 2026 |
Direct |
| Kathleen Laporte |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
690,900 |
690,900 |
07 Jan 2026 |
Direct |
| Kristen Pierce |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
1,612,099 |
1,612,099 |
07 Jan 2026 |
Direct |
| Shami Patel |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
690,900 |
690,900 |
07 Jan 2026 |
Direct |
| Brian G. Atwood |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
1,612,099 |
1,612,099 |
07 Jan 2026 |
Direct |
| Christopher B. Ehrlich |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
4,530,997 |
4,530,997 |
07 Jan 2026 |
Direct |
| Michael Byrnes |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
690,900 |
690,900 |
07 Jan 2026 |
Direct |
| Andrew Albert Kucharchuk |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
1,162,099 |
1,162,099 |
07 Jan 2026 |
Direct |
| Kathleen Laporte |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
9,326 |
9,326 |
30 May 2025 |
Direct |
| Michael Byrnes |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
9,326 |
9,326 |
30 May 2025 |
Direct |
| Lindsey Rolfe |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
9,326 |
9,326 |
30 May 2025 |
Direct |
| Shami Patel |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
11,693 |
11,693 |
30 May 2025 |
Direct |
| Christopher B. Ehrlich |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
61,843 |
61,842 |
30 May 2025 |
Direct |
| Brian G. Atwood |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
122,549 |
122,549 |
30 May 2025 |
Direct |
| Kristen Pierce |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
154,841 |
154,841 |
30 May 2025 |
Direct |
| Andrew Albert Kucharchuk |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
152,500 |
152,500 |
30 May 2025 |
Direct |
| Brian G. Atwood |
CERO |
Common Stock |
Options Exercise |
150.2% |
|
|
294,460 |
490,534 |
31 Mar 2025 |
See Footnote |
| Brian G. Atwood |
CERO |
Pre-Funded Warrant |
Options Exercise |
|
|
|
294,460 |
11,660 |
31 Mar 2025 |
Direct |
| Kathleen Laporte |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
17,923 |
17,923 |
04 Mar 2025 |
Direct |
| Lindsey Rolfe |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
17,923 |
17,923 |
04 Mar 2025 |
Direct |
| Michael Byrnes |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
17,923 |
17,923 |
04 Mar 2025 |
Direct |
| Shami Patel |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
14,936 |
14,936 |
04 Mar 2025 |
Direct |
| Brian G. Atwood |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
14,936 |
14,936 |
04 Mar 2025 |
Direct |
| Christopher B. Ehrlich |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
119,486 |
119,486 |
04 Mar 2025 |
Direct |
| Lindsey Rolfe |
CERO |
Stock Option (Right to Buy) |
Award |
100% |
|
|
127,500 |
255,000 |
24 Feb 2025 |
Direct |
| Shami Patel |
CERO |
Stock Option (Right to Buy) |
Award |
100% |
|
|
127,500 |
255,000 |
24 Feb 2025 |
Direct |
| Kathleen Laporte |
CERO |
Stock Option (Right to Buy) |
Award |
100% |
|
|
127,500 |
255,000 |
24 Feb 2025 |
Direct |
| Christopher B. Ehrlich |
CERO |
Stock Option (Right to Buy) |
Award |
100% |
|
|
1,275,000 |
2,550,000 |
24 Feb 2025 |
Direct |
| Michael Byrnes |
CERO |
Stock Option (Right to Buy) |
Award |
100% |
|
|
127,500 |
255,000 |
24 Feb 2025 |
Direct |
| Brian G. Atwood |
CERO |
Stock Option (Right to Buy) |
Award |
100% |
|
|
254,000 |
508,000 |
24 Feb 2025 |
Direct |
| Brian G. Atwood |
CERO |
Warrant to Purchase Shares of Common Stock |
Award |
|
|
|
204,080 |
204,080 |
07 Feb 2025 |
By GVN, LLC |
| Brian G. Atwood |
CERO |
Warrant to Purchase Shares of Common Stock |
Award |
|
|
|
306,120 |
306,120 |
07 Feb 2025 |
Direct |
| Brian G. Atwood |
CERO |
Pre-Funded Warrant |
Award |
|
|
|
204,080 |
204,080 |
07 Feb 2025 |
By GVN, LLC |
| Brian G. Atwood |
CERO |
Pre-Funded Warrant |
Award |
|
|
|
306,120 |
306,120 |
07 Feb 2025 |
Direct |
| YK Bioventures Opportunities GP I, LLC |
CERO |
Common Stock |
Sale |
-18.7% |
$179,934 |
$0.0600 |
-2,998,908 |
13,005,169 |
13 Dec 2024 |
By YK Bioventures Opportunities Fund I, L.P. |
| YK Bioventures Opportunities GP I, LLC |
CERO |
Common Stock |
Sale |
-9.16% |
$113,018 |
$0.0700 |
-1,614,541 |
16,004,077 |
12 Dec 2024 |
By YK Bioventures Opportunities Fund I, L.P. |
| YK Bioventures Opportunities GP I, LLC |
CERO |
Common Stock |
Sale |
-7.09% |
$107,504 |
$0.0800 |
-1,343,801 |
17,618,618 |
11 Dec 2024 |
By YK Bioventures Opportunities Fund I, L.P. |
| YK Bioventures Opportunities GP I, LLC |
CERO |
Common Stock |
Sale |
-7.65% |
$141,385 |
$0.0900 |
-1,570,947 |
18,962,419 |
10 Dec 2024 |
By YK Bioventures Opportunities Fund I, L.P. |
| YK Bioventures Opportunities GP I, LLC |
CERO |
Common Stock |
Sale |
-3.98% |
$93,560 |
$0.1100 |
-850,543 |
20,533,366 |
09 Dec 2024 |
By YK Bioventures Opportunities Fund I, L.P. |
| YK Bioventures Opportunities GP I, LLC |
CERO |
Common Stock |
Sale |
-5.47% |
$148,425 |
$0.1200 |
-1,236,874 |
21,383,909 |
06 Dec 2024 |
By YK Bioventures Opportunities Fund I, L.P. |
| Christopher B. Ehrlich |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
1,275,000 |
1,275,000 |
02 Dec 2024 |
Direct |
| Lindsey Rolfe |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
127,500 |
127,500 |
02 Dec 2024 |
Direct |
| Kathleen Laporte |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
127,500 |
127,500 |
02 Dec 2024 |
Direct |
| Michael Byrnes |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
127,500 |
127,500 |
02 Dec 2024 |
Direct |
| Brian G. Atwood |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
254,000 |
254,000 |
02 Dec 2024 |
Direct |
| Shami Patel |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
127,500 |
127,500 |
02 Dec 2024 |
Direct |
| YK Bioventures Opportunities GP I, LLC |
CERO |
Common Stock |
Sale |
-12.6% |
$325,000 |
$0.1000 |
-3,250,000 |
22,620,783 |
10 Oct 2024 |
By YK Bioventures Opportunities Fund I, L.P. |
| Andrew Albert Kucharchuk |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
500,000 |
500,000 |
01 Oct 2024 |
Direct |
| Kristen Pierce |
CERO |
Stock Option (Right to Buy) |
Award |
|
|
|
200,000 |
200,000 |
01 Oct 2024 |
Direct |
| Christopher B. Ehrlich |
CERO |
Stock Option (Right to Buy) |
Disposed to Issuer |
-100% |
|
|
-572,182 |
0 |
30 Sep 2024 |
Direct |