Insider · CIK 0001240366
David B Singer
Files at INFQ (Infleqtion, Inc.). First filing May 27, 2026, latest May 29, 2026.
In brief
David B Singer files SEC Form 4 as director at INFQ (Infleqtion, Inc.). Since May 27, 2026, David B Singer has reported 0 open-market buys worth $0 and 3 open-market sells worth $258M, the latest filed on May 29, 2026.
A track record needs three past buys with six months of prices behind them; David B Singer has 0, so none is measured yet.
The newest scored trade: sold $29M of INFQ on May 29, 2026, filed May 29, 2026, scored 75 (notable). In the last 12 months: 0 buys worth $0 and 3 sells worth $258M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
INFQ: Infleqtion, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 75Notable | Infleqtion, Inc. | $29M 1,797,637 shares | -1010% | +84% from low-9% from high | |
| 75Notable | Infleqtion, Inc. | $48M 3,071,623 shares | -116% | +75% from low-11% from high | |
| 75Notable | Infleqtion, Inc. | $182M 11,619,130 shares | -15349% | +67% from low-16% from high |
Transactions
Every row this insider has filed, 40 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 29, 2026 | INFQ Infleqtion, Inc. | JOther Common Stockindirect: See Footnotes | -1,386,029 | $0.00 | $0 | 178,041 | May 29, 2026 |
| May 27, 2026 | INFQ Infleqtion, Inc. | JOther Common Stockindirect: See Footnotes | -460,072 | $0.00 | $0 | 2,655,270 | May 29, 2026 |
| May 29, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -169,411 | $16.05 | $2.7M | 8,630 | May 29, 2026 |
| May 27, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -758,561 | $15.29 | $12M | 1,896,709 | May 29, 2026 |
| May 29, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -7,277 | $16.85 | $123k | 1,353 | May 29, 2026 |
| May 27, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -332,639 | $15.98 | $5.3M | 1,564,070 | May 29, 2026 |
| May 29, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -1,353 | $17.91 | $24k | 0 | May 29, 2026 |
| May 27, 2026 | INFQ Infleqtion, Inc. | JOther Common Stockindirect: See Footnotes | -508,549 | $0.00 | $0 | 4,410,403 | May 29, 2026 |
| May 27, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -1,376,716 | $15.29 | $21M | 3,033,687 | May 29, 2026 |
| May 29, 2026 | INFQ Infleqtion, Inc. | JOther Common Stockindirect: See Footnotes | -810,384 | $0.00 | $0 | 1,619,596 | May 29, 2026 |
| May 27, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -603,707 | $15.98 | $9.6M | 2,429,980 | May 29, 2026 |
| May 29, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -1,541,092 | $16.05 | $25M | 78,504 | May 29, 2026 |
| May 27, 2026 | INFQ Infleqtion, Inc. | JOther Common Stockindirect: See Footnotes | +349,693 | $0.00 | $0 | 349,693 | May 29, 2026 |
| May 29, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -66,194 | $16.85 | $1.1M | 12,310 | May 29, 2026 |
| May 27, 2026 | INFQ Infleqtion, Inc. | JOther Common Stockindirect: See Footnotes | +83,773 | $0.00 | $0 | 83,773 | May 29, 2026 |
| May 29, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -12,310 | $17.91 | $220k | 0 | May 29, 2026 |
| May 29, 2026 | INFQ Infleqtion, Inc. | JOther Common Stockindirect: See Footnotes | +311,208 | $0.00 | $0 | 660,901 | May 29, 2026 |
| May 29, 2026 | INFQ Infleqtion, Inc. | JOther Common Stockindirect: See Footnotes | +321,623 | $0.00 | $0 | 405,396 | May 29, 2026 |
| May 29, 2026 | INFQ Infleqtion, Inc. | JOther Common Stockindirect: See Footnotes | -660,901 | $0.00 | $0 | 0 | May 29, 2026 |
| May 29, 2026 | INFQ Infleqtion, Inc. | JOther Common Stockindirect: See Footnotes | +350,115 | $0.00 | $0 | 350,115 | May 29, 2026 |
| May 27, 2026 | INFQ Infleqtion, Inc. | JOther Common Stockindirect: See Footnotes | -1,551,021 | $0.00 | $0 | 1,564,321 | May 28, 2026 |
| May 27, 2026 | INFQ Infleqtion, Inc. | JOther Common Stockindirect: See Footnotes | -2,448,979 | $0.00 | $0 | 2,469,973 | May 28, 2026 |
| May 27, 2026 | INFQ Infleqtion, Inc. | JOther Common Stockindirect: See Footnotes | +349,693 | $0.00 | $0 | 349,693 | May 28, 2026 |
| May 27, 2026 | INFQ Infleqtion, Inc. | JOther Common Stockindirect: See Footnote | +83,773 | $0.00 | $0 | 83,773 | May 28, 2026 |
| May 21, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -55,939 | $14.69 | $822k | 19,761 | May 27, 2026 |
| May 21, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -100,350 | $14.69 | $1.5M | 35,450 | May 27, 2026 |
| May 21, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -1,432,671 | $14.69 | $21M | 4,784,711 | May 27, 2026 |
| May 21, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -390,066 | $14.69 | $5.7M | 137,795 | May 27, 2026 |
| May 21, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -2,262,112 | $14.69 | $33M | 7,554,800 | May 27, 2026 |
| May 21, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -2,128,025 | $14.69 | $31M | 751,744 | May 27, 2026 |
| May 22, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -19,761 | $17.04 | $337k | 0 | May 27, 2026 |
| May 22, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -35,450 | $17.04 | $604k | 0 | May 27, 2026 |
| May 22, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -1,669,369 | $16.70 | $28M | 3,115,342 | May 27, 2026 |
| May 22, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -137,795 | $17.04 | $2.3M | 0 | May 27, 2026 |
| May 22, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -2,635,848 | $16.70 | $44M | 4,918,952 | May 27, 2026 |
| May 22, 2026 | INFQ Infleqtion, Inc. | SOpen-market sale Common Stockindirect: See Footnotes | -751,744 | $17.04 | $13M | 0 | May 27, 2026 |
| Apr 10, 2026 | INFQ Infleqtion, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +33,928 | $0.00 | $0 | 33,928 | Apr 15, 2026 |
| Apr 10, 2026 | INFQ Infleqtion, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +33,928 | $0.00 | $0 | 33,928 | Apr 14, 2026 |
| Feb 13, 2026 | INFQ Infleqtion, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +34,740 | - | - | 34,740 | Feb 18, 2026 |
| Feb 13, 2026 | INFQ Infleqtion, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +29,950 | $0.00 | $0 | 29,950 | Feb 18, 2026 |
Questions about David B Singer
Answered from the filings on this page, as of the latest one.
Is David B Singer buying or selling?
In the last 12 months David B Singer reported 0 open-market buys worth $0 and 3 open-market sells worth $258M on SEC Form 4; the latest was sold $29M of INFQ on May 29, 2026. Grants, option exercises and tax withholding are not counted.
How did David B Singer's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and David B Singer has 0.
Where does David B Singer file Form 4?
David B Singer has filed Form 4 at INFQ (Infleqtion, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.