Timothy A Springer - Net Worth and Insider Trading
Timothy A Springer Net Worth
The estimated net worth of Timothy A Springer is at least $850 Million dollars as of 2026-09-22. Timothy A Springer is the Director, 10% Owner of Morphic Holding Inc and owns about 7,418,960 shares of Morphic Holding Inc (MORF) stock worth over $423 Million. Timothy A Springer is the Director, 10% Owner of Scholar Rock Holding Corp and owns about 3,549,422 shares of Scholar Rock Holding Corp (SRRK) stock worth over $181 Million. Timothy A Springer is also the Director, 10% Owner of Tectonic Therapeutic Inc and owns about 6,024,338 shares of Tectonic Therapeutic Inc (TECX) stock worth over $166 Million. Besides these, Timothy A Springer also holds Cartesian Therapeutics Inc (RNAC) . Details can be seen in Timothy A Springer's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Timothy A Springer has not made any transactions after 2025-04-11 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Timothy A Springer
Timothy A Springer Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Timothy A Springer owns 4 companies in total, including Cartesian Therapeutics Inc (RNAC) , Morphic Holding Inc (MORF) , and Scholar Rock Holding Corp (SRRK) among others .
Click here to see the complete history of Timothy A Springer’s form 4 insider trades.
Insider Ownership Summary of Timothy A Springer
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| RNAC | Cartesian Therapeutics Inc | 2025-04-11 | director |
| MORF | Morphic Holding Inc | 2023-05-03 | director & 10 percent owner |
| SRRK | Scholar Rock Holding Corp | 2019-09-03 | 10 percent owner |
| 2024-06-20 | director & 10 percent owner |
Timothy A Springer Latest Holdings Summary
Timothy A Springer currently owns a total of 4 stocks. Among these stocks, Timothy A Springer owns 7,418,960 shares of Morphic Holding Inc (MORF) as of May 3, 2023, with a value of $423 Million and a weighting of 49.75%. Timothy A Springer owns 3,549,422 shares of Scholar Rock Holding Corp (SRRK) as of May 29, 2018, with a value of $181 Million and a weighting of 21.29%. Timothy A Springer also owns 6,024,338 shares of Tectonic Therapeutic Inc (TECX) as of April 11, 2025, with a value of $166 Million and a weighting of 19.55%. The other 1 stocks Cartesian Therapeutics Inc (RNAC) have a combined weighting of 9.41% among all his current holdings.
Latest Holdings of Timothy A Springer
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| MORF | Morphic Holding Inc | 2023-05-03 | 7,418,960 | 56.99 | 422,806,530 |
| SRRK | Scholar Rock Holding Corp | 2018-05-29 | 3,549,422 | 50.97 | 180,914,039 |
| TECX | Tectonic Therapeutic Inc | 2025-04-11 | 6,024,338 | 27.58 | 166,150,640 |
| RNAC | Cartesian Therapeutics Inc | 2025-04-11 | 9,630,893 | 8.30 | 79,936,412 |
Holding Weightings of Timothy A Springer
Timothy A Springer Form 4 Trading Tracker
According to the SEC Form 4 filings, Timothy A Springer has made a total of 1 transactions in Morphic Holding Inc (MORF) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in Morphic Holding Inc is the acquisition of 1,050,000 shares on May 3, 2023, which cost Timothy A Springer around $47 Million.
According to the SEC Form 4 filings, Timothy A Springer has made a total of 0 transactions in Scholar Rock Holding Corp (SRRK) over the past 5 years. The most-recent trade in Scholar Rock Holding Corp is the acquisition of 71,428 shares on May 29, 2018, which cost Timothy A Springer around $999,992.
According to the SEC Form 4 filings, Timothy A Springer has made a total of 5 transactions in Tectonic Therapeutic Inc (TECX) over the past 5 years, including 5 buys and 0 sells. The most-recent trade in Tectonic Therapeutic Inc is the acquisition of 141,923 shares on April 11, 2025, which cost Timothy A Springer around $2 Million.
More details on Timothy A Springer's insider transactions can be found in the Insider Trading History of Timothy A Springer table.Insider Trading History of Timothy A Springer
* The information on this page (including Insider Trading Shares, Share Changes, Cost, etc.) is sourced exclusively from Form 4 filings and does not incorporate any data from 13F or 13D/G filings. As a result, it may differ from the values shown on the Guru page.
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Timothy A Springer Trading Performance
GuruFocus tracks the stock performance after each of Timothy A Springer's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Timothy A Springer is 9.63%. GuruFocus also compares Timothy A Springer's trading performance to market benchmark return within the same time period. The performance of stocks bought by Timothy A Springer within 3 months outperforms 21 times out of 35 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Timothy A Springer's insider trading performs compared to the benchmark.
Performance of Timothy A Springer
Timothy A Springer Ownership Network
Ownership Network List of Timothy A Springer
Ownership Network Relation of Timothy A Springer

Timothy A Springer Owned Company Details
What does Cartesian Therapeutics Inc do?
Who are the key executives at Cartesian Therapeutics Inc?
Timothy A Springer is the director of Cartesian Therapeutics Inc. Other key executives at Cartesian Therapeutics Inc include Chief Financial Officer Blaine Davis , director & President & CEO Carsten Brunn , and Chief Medical Officer Milos Miljkovic .
Cartesian Therapeutics Inc (RNAC) Insider Trades Summary
Over the past 18 months, Timothy A Springer made 1 insider transaction in Cartesian Therapeutics Inc (RNAC) with a net purchase of 149,075. Other recent insider transactions involving Cartesian Therapeutics Inc (RNAC) include a net purchase of 30,000 shares made by Timothy C Barabe , a net sale of 23,766 shares made by Carsten Brunn , and a net sale of 10,591 shares made by Blaine Davis .
In summary, during the past 3 months, insiders sold 0 shares of Cartesian Therapeutics Inc (RNAC) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 37,930 shares of Cartesian Therapeutics Inc (RNAC) were sold and 179,075 shares were bought by its insiders, resulting in a net purchase of 141,145 shares.
Cartesian Therapeutics Inc (RNAC)'s detailed insider trading history can be found in Insider Trading Tracker table.
Cartesian Therapeutics Inc Insider Transactions
Timothy A Springer Mailing Address
Above is the net worth, insider trading, and ownership report for Timothy A Springer. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Timothy A Springer's mailing address is: Chestnut Hill Ma 02467.