Raymond Woo

CIK: 0002036112

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)24 (39.3%)

Position reduction

Option Exercises (M)33 (54.1%)

Derivative conversions

Awards (A)2 (3.3%)

Compensation grants

Other (G, F, J, C, D, …)2 (3.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

CBLL

Ceribell, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (61 total)

CBLL
Ceribell, Inc.
Oct 1, 2026
Exercise(M)
Direct
4.9K shares at avg. $3.65$18K
CBLL
Ceribell, Inc.
Oct 1, 2026
Exercise(M)
Direct
23 shares at avg. $4.70$108.1
CBLL
Ceribell, Inc.
Oct 1, 2026
Sale(S)
Direct
4.9K shares at avg. $24.38$119K
CBLL
Ceribell, Inc.
Sep 8, 2026
Sale(S)
Direct
4.9K shares at avg. $24.33$119K
CBLL
Ceribell, Inc.
Sep 8, 2026
Exercise(M)
Direct
8.4K shares at avg. $2.24$19K
CBLL
Ceribell, Inc.
Sep 8, 2026
Exercise(M)
Direct
23 shares at avg. $4.70$108.1
CBLL
Ceribell, Inc.
Sep 8, 2026
Exercise(M)
Direct
4.9K shares at avg. $3.65$18K
CBLL
Ceribell, Inc.
Aug 21, 2026
Sale(S)
Direct
2K shares at avg. $24.02$48K
CBLL
Ceribell, Inc.
May 21, 2026
Sale(S)
Direct
2K shares at avg. $18.00$35K
CBLL
Ceribell, Inc.
May 1, 2026
Exercise(M)
Direct
1.5K shares at avg. $2.24$3K
CBLL
Ceribell, Inc.
May 1, 2026
Exercise(M)
Direct
3K shares at avg. $4.70$14K
CBLL
Ceribell, Inc.
May 1, 2026
Sale(S)
Direct
3K shares at avg. $20.43$62K
CBLL
Ceribell, Inc.
May 1, 2026
Sale(S)
Direct
6.6K shares at avg. $20.45$135K
CBLL
Ceribell, Inc.
May 1, 2026
Sale(S)
Direct
1.5K shares at avg. $20.39$30K
CBLL
Ceribell, Inc.
May 1, 2026
Exercise(M)
Direct
6.6K shares at avg. $4.70$31K
CBLL
Ceribell, Inc.
Apr 1, 2026
Award(A)
Direct
30.7K shares-
CBLL
Ceribell, Inc.
Apr 1, 2026
Exercise(M)
Direct
6.6K shares at avg. $4.70$31K
CBLL
Ceribell, Inc.
Apr 1, 2026
Sale(S)
Direct
3K shares at avg. $18.53$56K
CBLL
Ceribell, Inc.
Apr 1, 2026
Exercise(M)
Direct
3K shares at avg. $4.70$14K
CBLL
Ceribell, Inc.
Apr 1, 2026
Sale(S)
Direct
1.5K shares at avg. $18.58$27K
CBLL
Ceribell, Inc.
Apr 1, 2026
Exercise(M)
Direct
1.5K shares at avg. $2.24$3K
CBLL
Ceribell, Inc.
Apr 1, 2026
Sale(S)
Direct
6.6K shares at avg. $18.57$123K
CBLL
Ceribell, Inc.
Mar 2, 2026
Sale(S)
Direct
3K shares at avg. $18.26$55K
CBLL
Ceribell, Inc.
Mar 2, 2026
Exercise(M)
Direct
3K shares at avg. $4.70$14K
CBLL
Ceribell, Inc.
Mar 2, 2026
Sale(S)
Direct
1.5K shares at avg. $18.26$27K

		Type	Shares	Price		Ownership
Oct 1, 2026	CBLL Ceribell, Inc.	Exercise(M)	4,864	$3.65	$17,754	Direct
Oct 1, 2026	CBLL Ceribell, Inc.	Exercise(M)	23	$4.70	$108	Direct
Oct 1, 2026	CBLL Ceribell, Inc.	Sale(S)	4,887	$24.38	$119,145	Direct
Sep 8, 2026	CBLL Ceribell, Inc.	Sale(S)	4,887	$24.33	$118,901	Direct
Sep 8, 2026	CBLL Ceribell, Inc.	Exercise(M)	8,389	$2.24	$18,791	Direct
Sep 8, 2026	CBLL Ceribell, Inc.	Exercise(M)	23	$4.70	$108	Direct
Sep 8, 2026	CBLL Ceribell, Inc.	Exercise(M)	4,864	$3.65	$17,754	Direct
Aug 21, 2026	CBLL Ceribell, Inc.	Sale(S)	1,979	$24.02	$47,536	Direct
May 21, 2026	CBLL Ceribell, Inc.	Sale(S)	1,966	$18.00	$35,388	Direct
May 1, 2026	CBLL Ceribell, Inc.	Exercise(M)	1,469	$2.24	$3,291	Direct
May 1, 2026	CBLL Ceribell, Inc.	Exercise(M)	3,024	$4.70	$14,213	Direct
May 1, 2026	CBLL Ceribell, Inc.	Sale(S)	3,024	$20.43	$61,780	Direct
May 1, 2026	CBLL Ceribell, Inc.	Sale(S)	6,611	$20.45	$135,195	Direct
May 1, 2026	CBLL Ceribell, Inc.	Sale(S)	1,469	$20.39	$29,953	Direct
May 1, 2026	CBLL Ceribell, Inc.	Exercise(M)	6,611	$4.70	$31,072	Direct
Apr 1, 2026	CBLL Ceribell, Inc.	Award(A)	30,736	-	$0	Direct
Apr 1, 2026	CBLL Ceribell, Inc.	Exercise(M)	6,615	$4.70	$31,091	Direct
Apr 1, 2026	CBLL Ceribell, Inc.	Sale(S)	3,025	$18.53	$56,053	Direct
Apr 1, 2026	CBLL Ceribell, Inc.	Exercise(M)	3,025	$4.70	$14,218	Direct
Apr 1, 2026	CBLL Ceribell, Inc.	Sale(S)	1,472	$18.58	$27,350	Direct
Apr 1, 2026	CBLL Ceribell, Inc.	Exercise(M)	1,472	$2.24	$3,297	Direct
Apr 1, 2026	CBLL Ceribell, Inc.	Sale(S)	6,615	$18.57	$122,841	Direct
Mar 2, 2026	CBLL Ceribell, Inc.	Sale(S)	3,025	$18.26	$55,237	Direct
Mar 2, 2026	CBLL Ceribell, Inc.	Exercise(M)	3,025	$4.70	$14,218	Direct
Mar 2, 2026	CBLL Ceribell, Inc.	Sale(S)	1,472	$18.26	$26,879	Direct

1-25 of 61 transactions

About Woo Raymond

Woo Raymond (SEC CIK 0002036112) files insider reports with the SEC as Chief Technology Officer of Ceribell, Inc. (CBLL).

Signal8 holds 18 ownership filings by Woo Raymond (1 Form 3, 17 Form 4), filed between Oct 10, 2024 and Oct 2, 2026. Those filings report 61 transactions, from Apr 1, 2025 to Oct 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Woo Raymond's filings is in SUNNYVALE, CA.

Recent filings by Woo Raymond

Oct 1, 2026: Option exercises of CBLL shares (2 lines, Form 4, code M).
Oct 1, 2026: Open-market sale of CBLL shares (Form 4, code S).
Sep 8, 2026: Open-market sale of CBLL shares (Form 4, code S).
Sep 8, 2026: Option exercises of CBLL shares (3 lines, Form 4, code M).
Aug 21, 2026: Open-market sale of CBLL shares (Form 4, code S).

Other insiders filing for Ceribell, Inc. (CBLL)

Chao Xingjuan, President and CEO
Blumberg Scott, Chief Financial Officer
Foehr David, Senior VP, Finance and PAO
Manni Joseph S., Chief Revenue Officer
Taylor Joseph Michael, Director
West Thomas A., Director

How to read Form 4 transaction codes