The Screenshot Traveled: Inside the SEC's Meritor Tipping-Ring Complaint
The SEC's September 2026 complaint against six people who traded on Cummins's $3.7 billion secret before the market heard it. We read all twenty pages: the WeChat chain from Indiana to China in an hour, four itemized trading ledgers totaling $500,608, and a cover-up documented in the defendants' own messages.
By MyAudioBooks.ai ·
Listen free: The Screenshot Traveled: Inside the SEC's Meritor Tipping-Ring Complaint
At nine-eleven on the morning of December sixteenth, twenty twenty-one, a WeChat message landed in Northern Virginia. "got pulled to sign NDA," it said. One hour earlier and six hundred miles away, in a conference room at the headquarters of the engine maker Cummins in Columbus, Indiana, a corporate development manager named Fan Yang had told her husband the same thing from inside a meeting called Project Rose Update: "plan to announce in the early February. I am about to sign nda." Between those two messages, the biggest secret in the auto-parts industry crossed three countries in an hour. We read the Securities and Exchange Commission's complaint in the case, all twenty pages of it, and our verdict is this: the document is less a prosecution than a narration of the defendants' own messages. The screenshot traveled, and the cover-up is the most damning chapter.
At My Audio Books dot A I, you can create your own audiobooks from prompts, turn your documents into audio, all with one subscription, and store your items in your own personal library.
The complaint was filed on September twenty-eighth, twenty twenty-six, in the federal district court in Washington, D.C., against six people: Yang, forty, an accountant who had worked at Cummins since twenty ten and served as a Corporate Development Manager and Strategy Finance Controller; her husband Jing Tian, thirty-eight, a Cummins engineer; Zijun Zhang, thirty-three, a resident of China married to a close family friend of Tian's; Shuchen Zhu, thirty-five, then a graduate student in Washington and now a research analyst at a financial services company; Chong Zhang, thirty-six, of Bellevue, Washington, Zhu's graduate-school friend; and Hanxiong Bo, thirty-five, Zhu's childhood friend in China. The S E C says that together they traded on the secret that Cummins would buy the axle and brake maker Meritor for three point seven billion dollars, announced before the market opened on February twenty-second, twenty twenty-two. And it says four of them walked away with a combined five hundred thousand, six hundred and eight dollars in profits. We will show the arithmetic later. Every number you have heard comes from the complaint itself, and we should be precise about what that means: these are allegations, filed with a demand for a jury trial, not findings. Nothing has been proven to anyone. What makes the case remarkable is that the government did not have to infer the scheme. It can quote it.
Section One. The Deal and the Desk
Every insider-trading case begins with a duty, and Cummins wrote its duties down. According to the complaint, the company maintained an Information Classification and Protection Policy that barred employees from sharing sensitive information outside the company, even by personal email or text message, and gave strategic business plans its highest classification: Restricted Confidential. A second policy, Trading in Cummins Securities, barred employees from buying or selling the securities of another company while holding material nonpublic information about it, and from passing such information to anyone who might trade. It named the obvious example: a merger or acquisition proposal. Both policies applied to Yang and Tian.
The deal itself had a history. Cummins and Meritor had discussed an acquisition as early as twenty nineteen, under the code name Project Pamplona. Those talks died in March of twenty twenty. In early October of twenty twenty-one they were renewed, under a new code name, Project Rose. On October nineteenth, twenty twenty-one, Yang's supervisor told her by email that one of his projects was "Powertrain / Rose." Eight days later, on October twenty-seventh, Yang bought three hundred shares of Meritor stock in her own brokerage account. The complaint does not have to argue that the timing is suspicious. It just puts the email and the trade on facing lines.
What follows in the complaint is a calendar of accumulation. November first and second: three hundred more shares. November seventh: a colleague asks Yang by email to "initiate a project code for Project Rose," noting that the previous year's project had been called Pamplona. November eighth through twenty-sixth: Yang transfers a total of seventy-three thousand, five hundred dollars into her brokerage account. By November thirtieth she holds four thousand, five hundred shares — the largest position she has ever taken in any security, funded with substantially all of her available cash. On that same day, her husband Tian buys one hundred and fifty shares in his own account. On December third, Yang tells Tian over WeChat — all of the couple's messages in the complaint were written in Mandarin and translated by the government — "we engaged Deloitte to assemble a special project team," and "about to do M&A due diligence." December sixth through fourteenth: four hundred and fifty more shares for Yang, bringing her to four thousand, nine hundred and fifty. Tian adds eighty-five, bringing himself to two hundred and thirty-five. On December sixteenth, Yang sits in the Project Rose Update meeting and messages her husband about the non-disclosure agreement she is about to sign.
Section Two. The Chain
Here is where the case stops being about one employee. According to the complaint, in late October of twenty twenty-one, Tian began passing what the document calls the Confidential Information to a close family friend in China — the complaint names him only as Tippee 1 — whose parents socialize with Tian's parents. Tian did it, the S E C alleges, so that Tippee 1 could profit from the information, and Yang knew and intended it. Tippee 1 shared it with his wife, Zijun Zhang. The complaint is careful about her state of mind, in the repetitive language these cases require: that she knew, or recklessly disregarded, that Yang and Tian were Cummins employees, that Yang worked in corporate development, that the information was material and nonpublic, and that it had been shared in breach of a duty.
Zijun did two things with it. She traded — beginning November eleventh, twenty twenty-one, in her own account and, from November sixteenth, in her mother's brokerage account, which she managed. And she passed the information to her close friend Shuchen Zhu, the graduate student in Washington, whose house she had used as her mailing address for accounts with U.S. service providers, and to whom she had given the login credentials to those accounts so he could trade options for her. Zhu, the complaint says, passed it to his graduate-school friend Chong Zhang in Bellevue, and to his childhood friend Hanxiong Bo in China. A leak that began as one woman's knowledge became six people's positions.
The messages show the information moving with startling fidelity. On November twenty-second, twenty twenty-one, Yang messaged Tian: "I wonder if [Tippee 1] bought some," and "it would still be fine if he bought it last week. It's going to skyrocket today," and "I feel like an agreement has been reached." On December first, Zhu sent Chong an iMessage in Chinese characters that spelled out, as the complaint explains, the first letters of the Chinese pinyin name for Meritor's ticker, M T O R. On December sixteenth, Zijun told Zhu that Cummins had made a formal acquisition offer — which it had done two days earlier, on December fourteenth. And then there is the message that opened the whole story: one hour after Yang told Tian "I am about to sign nda," Zijun told Zhu "got pulled to sign NDA." A few hours after that, Zhu told Chong that the source "was brought in to sign a confidentiality agreement. So I guess an announcement will be made soon." On January twenty-fourth, twenty twenty-two, Yang told Tian that Meritor's stock "went up last week because we submitted another revised order," adding that "the expectations of both parties are very close" and that her supervisor "thinks it's very possible it will work out." By the next morning, Zijun possessed a screenshot of that exchange. Within days, Zhu had shared the same screenshot with Bo. The screenshot traveled from a Cummins conference room in Indiana, through a marriage, across the Pacific, and into three separate trading accounts, faster than most internal memos move through a company.
At My Audio Books dot A I, you can listen to this story and thousands of others that explore the hidden science and mechanics behind the headlines.
Section Three. The Ledger
The complaint reads each defendant's trades as carefully as their messages, and the pattern is the same everywhere: fresh money in, maximum position, exit around the announcement.
Zijun, the complaint says, accumulated eight thousand, eight hundred and seventy-nine shares of Meritor plus one hundred short-term call options across her and her mother's accounts, at a total cost of two hundred and thirty thousand, six hundred and eighty-nine dollars. On the morning of the announcement, within thirty minutes of the opening bell, she sold ninety of those options for a realized gain of fifty-two thousand, two hundred and eighty dollars, and sat on another ninety thousand, seven hundred and fifty-four dollars in unrealized gains. Total alleged profit: one hundred and forty-three thousand, thirty-four dollars.
Zhu accumulated seventeen thousand, five hundred and ninety-one shares across his and his wife's accounts at a combined cost of four hundred and fifty-seven thousand, six hundred and thirty-five dollars. On announcement day he sold seventeen thousand, three hundred and sixty-six of them for a realized gain of one hundred and seventy thousand, two hundred and ninety-four dollars, plus two thousand and seventy-two dollars in unrealized gains on the remainder. Total alleged profit: one hundred and seventy-two thousand, three hundred and sixty-six dollars.
Chong accumulated fifteen thousand, nine hundred and ninety-eight shares at a cost of four hundred and twenty-one thousand, five hundred and seventy dollars. On announcement day he sold only one thousand, three hundred and nine shares — remember this restraint later — for twelve thousand, five hundred and forty-three dollars in realized gains, holding the rest for one hundred and thirty-three thousand, seven hundred and ten dollars in unrealized gains. Total alleged profit: one hundred and forty-six thousand, two hundred and fifty-three dollars.
Bo, in China, used all of his available cash — his words to Zhu on December sixth — to accumulate five thousand, four hundred and eight shares at a cost of one hundred and forty-two thousand, eight hundred and sixty-two dollars, finishing with thirty-eight thousand, nine hundred and fifty-five dollars in unrealized gains on announcement day.
Add the four totals: one hundred and forty-three thousand and thirty-four, one hundred and seventy-two thousand three hundred and sixty-six, one hundred and forty-six thousand two hundred and fifty-three, thirty-eight thousand nine hundred and fifty-five. The sum is five hundred thousand, six hundred and eight dollars. Half a million dollars on a three point seven billion dollar secret. And the insiders themselves? The complaint records that Yang began selling on February eighth and had liquidated her entire position by February eighteenth — four days before the announcement. Tian sold everything on February ninth. The complaint does not state their profits. It records something colder: in early February, Yang walked into Cummins's in-house legal department and disclosed that Tian had bought Meritor shares — she said he bought them after reading a positive article about the company, and called it coincidental.
Section Four. The Cover-Up
Most complaints allege a crime. This one alleges the documentary evidence of the crime and then documents the attempt to destroy it. We think this chapter is the most damning part, because consciousness of guilt is the one thing a defendant cannot explain away with a coincidence theory.
The complaint says the defendants began discussing disguise in mid-January. On the thirteenth, the group messaged about taking "the gradual approach, buying some slowly before the announcement." On January twenty-sixth, Zijun relayed her husband's warning: if you have never traded and suddenly buy an option, "it's easy to get flagged," and noted he had consulted "a friend who specializes in trading options in the United States." On announcement day itself, the cover stories were workshopped in real time. Zijun asked Zhu, "what's your explanation," and Zhu offered his own first: "I subscribe to Barron's Weekly and [r]ead their news every day." Zijun proposed hers: that a friend had told her the stock was good, so she followed and bought it. Zhu rejected it instantly: "You mustn't say it like that." Then came the instruction: "Find some technical reason."
Then the deletions. "Check if you need to delete some chat records on your end, and log out of the web, just to be safe?" Zijun wrote that evening. Zhu confirmed he had "just clicked 'clear all records,'" and she replied, "Hehe, you're welcome. Today is a good day." Zhu told Chong and Bo to delete their messages too. And Zhu gave Chong the full coaching session, quoted in the complaint: have a few reasons in mind for why you bought; the chances of investigation are low, but if the S E C or a broker calls it will be recorded; give a technical reason; "Anyway, never say a friend told you it was a good pick, or they will dig deeper and ask who this friend is." Zhu added that he had spent three hours the previous day studying how the government investigates insider trading — and told Chong to study it too, and then erase his browsing history. Chong answered, "Okay I'll delete all our chats later." Within thirty minutes of the announcement, Zhu had warned Bo: "if you sell too much at once, the SEC may become suspicious." Remember Chong's restraint in selling only one thousand, three hundred and nine shares on announcement day? Now you know the price of that restraint.
The story does not end in twenty twenty-two. According to the complaint, in August of twenty twenty-three, after learning of the S E C's Meritor investigation, Zhu and Chong spoke by phone about how to answer investigators' questions. In the same month, an unknown person called Zhu with Zijun on speakerphone from another device, and Zijun and the unknown person told Zhu not to cooperate with the investigation, to invoke his Fifth Amendment rights, and to delete written communications and voicemails, because she "had to protect people." The government learned about that call too. Everything in this paragraph is allegation, and none of it has been tested before a jury. But if the government's evidence is what the complaint says it is, the cover-up was not a separate crime scene from the trading. It was the same one, photographed from the other side.
Section Five. The Law and the Lag
The legal frame is worth teaching, because it is the frame the whole market runs on. The claim is Section ten-b of the Securities Exchange Act and Rule ten-b-five, the general anti-fraud provision. The theory has two layers. The tippers — Yang and Tian — are accused of breaching duties of confidentiality they owed Cummins, duties the company wrote into two named policies. The tippees — Zijun, Zhu, Chong, Bo — are accused of trading on information they knew or recklessly disregarded had been passed along in breach of those duties, for personal benefit. In the doctrine, a tippee inherits the tipper's breach when they know the information was improperly obtained. There is no requirement that the tipper profit personally; a gift of information to a friend or relative is benefit enough.
The misappropriation theory is why the spouse matters: Yang did not have to place a single trade in China to be at the center of all of them. The information did not have to be stolen from a vault; it only had to be used in breach of a duty owed to its owner.
One detail in the prayer for relief deserves a beat. The S E C asks the court to bar Shuchen Zhu — and only Zhu — from acting as or being associated with any broker, dealer, or investment adviser. Zhu is the one defendant who later built a career in financial services: after earning his doctorate, he became a research analyst at a financial services company. The requested injunction would not stop him from being a customer. It would stop him from being a professional.
The other four traders face disgorgement — the doctrine under which defendants hand back ill-gotten gains.
In two of those cases, the S E C adds prejudgment interest, meaning the meter runs from the day of the trade, not the day of the judgment. And all six face civil monetary penalties.
And then there is the lag. The trades happened between October of twenty twenty-one and February of twenty twenty-two. The defendants learned of the investigation by August of twenty twenty-three. The complaint was filed on September twenty-eighth, twenty twenty-six — four years and seven months after the announcement. People unfamiliar with enforcement ask what takes so long. The answer is inside the document itself: the messages were in Mandarin, scattered across WeChat and iMessage on multiple continents, and every line you have heard quoted had to be obtained, preserved, translated, and matched against brokerage records on two continents and against Cummins's own internal logs. The lag is not evidence of a weak case. It is the cost of assembling one that a defense lawyer cannot unwind.
Now the strongest case against this complaint, at full strength. A complaint is a prosecutor's document. It quotes messages without their full context, selects translations, and arranges trades on a timeline to maximize the appearance of guilt. The defendants have not answered; a jury has not heard them; several of the government's state-of-mind allegations are, by the complaint's own construction, inferences layered on inferences. Selling into a rising market is not illegal. Buying a stock your friend likes is not illegal. None of that is nothing. Our read: the objection loses on the one thing the defense cannot plausibly supply — an innocent explanation for a screenshot of the insider's own chat traveling from a corporate-development manager's phone to four trading accounts in three countries, followed by pre-announcement positions sized to the last available dollar, followed by a written cover-story coaching session. Coincidence does not forward screenshots.
Our verdict stands, and it is narrower than a jury's would have to be. The complaint in the Meritor ring is the cleanest public demonstration in years of how insider trading actually works in the age of encrypted chat: not a stranger on a payphone but a wife and husband on WeChat; not a single trade but six people who each took a small, ordinary-feeling step; and not a clever disappearance of the evidence but a cover-up conducted in the same written medium that recorded the crime. The price of a leak like this is the one thing a market cannot re-price after the fact: the level field. Every investor who bought Meritor shares in those four months at market price was trading against counterparties who already knew the ending. That is what the five hundred thousand, six hundred and eight dollars actually measures. The defendants wrote their own prosecution, one forwarded screenshot at a time, and the screenshot traveled farther than any of them thought it would.
At My Audio Books dot A I, you can create fiction, non-fiction, and turn your documents into audio, all stored in one place with a single subscription — plus get instant access to thousands of audiobooks and deep-dive investigations. Learn more today at My Audio Books dot A I.