David B. Singer

CIK: 0001240366

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)22 (61.1%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (11.1%)

Compensation grants

Other (G, F, J, C, D, …)10 (27.8%)

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

Companies & Roles (1)

INFQ

Infleqtion, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (36 total)

INFQ
Infleqtion, Inc.
May 29, 2026
Other(J)
Indirect
1.4M shares-
INFQ
Infleqtion, Inc.
May 29, 2026
Sale(S)
Indirect
169.4K shares at avg. $16.05$2.7M
INFQ
Infleqtion, Inc.
May 29, 2026
Sale(S)
Indirect
7.3K shares at avg. $16.85$123K
INFQ
Infleqtion, Inc.
May 29, 2026
Sale(S)
Indirect
1.4K shares at avg. $17.91$24K
INFQ
Infleqtion, Inc.
May 29, 2026
Other(J)
Indirect
810.4K shares-
INFQ
Infleqtion, Inc.
May 29, 2026
Sale(S)
Indirect
1.5M shares at avg. $16.05$24.7M
INFQ
Infleqtion, Inc.
May 29, 2026
Other(J)
Indirect
350.1K shares-
INFQ
Infleqtion, Inc.
May 29, 2026
Other(J)
Indirect
660.9K shares-
INFQ
Infleqtion, Inc.
May 29, 2026
Other(J)
Indirect
321.6K shares-
INFQ
Infleqtion, Inc.
May 29, 2026
Other(J)
Indirect
311.2K shares-
INFQ
Infleqtion, Inc.
May 29, 2026
Sale(S)
Indirect
12.3K shares at avg. $17.91$220K
INFQ
Infleqtion, Inc.
May 29, 2026
Sale(S)
Indirect
66.2K shares at avg. $16.85$1.1M
INFQ
Infleqtion, Inc.
May 27, 2026
Sale(S)
Indirect
758.6K shares at avg. $15.29$11.6M
INFQ
Infleqtion, Inc.
May 27, 2026
Other(J)
Indirect
508.5K shares-
INFQ
Infleqtion, Inc.
May 27, 2026
Sale(S)
Indirect
1.4M shares at avg. $15.29$21.0M
INFQ
Infleqtion, Inc.
May 27, 2026
Sale(S)
Indirect
603.7K shares at avg. $15.98$9.6M
INFQ
Infleqtion, Inc.
May 27, 2026
Other(J)
Indirect
349.7K shares-
INFQ
Infleqtion, Inc.
May 27, 2026
Other(J)
Indirect
83.8K shares-
INFQ
Infleqtion, Inc.
May 27, 2026
Other(J)
Indirect
460.1K shares-
INFQ
Infleqtion, Inc.
May 27, 2026
Sale(S)
Indirect
332.6K shares at avg. $15.98$5.3M
INFQ
Infleqtion, Inc.
May 22, 2026
Sale(S)
Indirect
137.8K shares at avg. $17.04$2.3M
INFQ
Infleqtion, Inc.
May 22, 2026
Sale(S)
Indirect
1.7M shares at avg. $16.70$27.9M
INFQ
Infleqtion, Inc.
May 22, 2026
Sale(S)
Indirect
35.5K shares at avg. $17.04$604K
INFQ
Infleqtion, Inc.
May 22, 2026
Sale(S)
Indirect
19.8K shares at avg. $17.04$337K
INFQ
Infleqtion, Inc.
May 22, 2026
Sale(S)
Indirect
751.7K shares at avg. $17.04$12.8M

		Type	Shares	Price		Ownership
May 29, 2026	INFQ Infleqtion, Inc.	Other(J)	1,386,029	-	$0	Indirect
May 29, 2026	INFQ Infleqtion, Inc.	Sale(S)	169,411	$16.05	$2,719,385	Indirect
May 29, 2026	INFQ Infleqtion, Inc.	Sale(S)	7,277	$16.85	$122,620	Indirect
May 29, 2026	INFQ Infleqtion, Inc.	Sale(S)	1,353	$17.91	$24,226	Indirect
May 29, 2026	INFQ Infleqtion, Inc.	Other(J)	810,384	-	$0	Indirect
May 29, 2026	INFQ Infleqtion, Inc.	Sale(S)	1,541,092	$16.05	$24,737,609	Indirect
May 29, 2026	INFQ Infleqtion, Inc.	Other(J)	350,115	-	$0	Indirect
May 29, 2026	INFQ Infleqtion, Inc.	Other(J)	660,901	-	$0	Indirect
May 29, 2026	INFQ Infleqtion, Inc.	Other(J)	321,623	-	$0	Indirect
May 29, 2026	INFQ Infleqtion, Inc.	Other(J)	311,208	-	$0	Indirect
May 29, 2026	INFQ Infleqtion, Inc.	Sale(S)	12,310	$17.91	$220,415	Indirect
May 29, 2026	INFQ Infleqtion, Inc.	Sale(S)	66,194	$16.85	$1,115,389	Indirect
May 27, 2026	INFQ Infleqtion, Inc.	Sale(S)	758,561	$15.29	$11,596,805	Indirect
May 27, 2026	INFQ Infleqtion, Inc.	Other(J)	508,549	-	$0	Indirect
May 27, 2026	INFQ Infleqtion, Inc.	Sale(S)	1,376,716	$15.29	$21,047,097	Indirect
May 27, 2026	INFQ Infleqtion, Inc.	Sale(S)	603,707	$15.98	$9,644,461	Indirect
May 27, 2026	INFQ Infleqtion, Inc.	Other(J)	349,693	-	$0	Indirect
May 27, 2026	INFQ Infleqtion, Inc.	Other(J)	83,773	-	$0	Indirect
May 27, 2026	INFQ Infleqtion, Inc.	Other(J)	460,072	-	$0	Indirect
May 27, 2026	INFQ Infleqtion, Inc.	Sale(S)	332,639	$15.98	$5,314,041	Indirect
May 22, 2026	INFQ Infleqtion, Inc.	Sale(S)	137,795	$17.04	$2,348,137	Indirect
May 22, 2026	INFQ Infleqtion, Inc.	Sale(S)	1,669,369	$16.70	$27,883,971	Indirect
May 22, 2026	INFQ Infleqtion, Inc.	Sale(S)	35,450	$17.04	$604,096	Indirect
May 22, 2026	INFQ Infleqtion, Inc.	Sale(S)	19,761	$17.04	$336,743	Indirect
May 22, 2026	INFQ Infleqtion, Inc.	Sale(S)	751,744	$17.04	$12,810,319	Indirect

1-25 of 36 transactions

About SINGER DAVID B

SINGER DAVID B (SEC CIK 0001240366) files insider reports with the SEC as Director of Infleqtion, Inc. (INFQ).

Signal8 holds 8 ownership filings by SINGER DAVID B (1 Form 3, 7 Form 4), filed between Feb 18, 2026 and May 29, 2026. Those filings report 36 transactions, from Feb 13, 2026 to May 29, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on SINGER DAVID B's filings is in LOUISVILLE, CO.

Recent filings by SINGER DAVID B

May 29, 2026: Other transaction of INFQ shares (Form 4, code J).
May 29, 2026: Open-market sales of INFQ shares (3 lines, Form 4, code S).
May 29, 2026: Other transaction of INFQ shares (Form 4, code J).
May 29, 2026: Open-market sale of INFQ shares (Form 4, code S).
May 29, 2026: Other transactions of INFQ shares (4 lines, Form 4, code J).

Other insiders filing for Infleqtion, Inc. (INFQ)

MAVERICK CAPITAL LTD, Director
Gokhale Pranav, Chief Technology Officer
JOHNSON KRISTINA M, Director
Lipman Paul, Chief Revenue Officer
Kinsella Matthew John, Chief Executive Officer
Johnson Nicholas A., Director

How to read Form 4 transaction codes