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START FREE TRIAL →Timothy A Springer, Director,TenPercentOwner, is a corporate insider tracked by InsiderTape across 4 companies. The public record shows 44 open-market SEC Form 4 transactions: 44 purchases worth $128.3M and 0 sales worth $0, reported from Aug 18, 21 to Apr 11, 25. Over this period they have been a net buyer.
| Date | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Apr 11, 25 | RNACCartesian Therapeutics, Inc. | BUY | 36.3K | $10.77 | $391K |
| Apr 11, 25 | TECXTectonic Therapeutic, Inc. | BUY | 53.7K | $16.31 | $876K |
| Apr 10, 25 | RNACCartesian Therapeutics, Inc. | BUY | 45.1K | $10.92 | $471K |
| Apr 10, 25 | TECXTectonic Therapeutic, Inc. | BUY | 45.9K | $16.73 | $767K |
| Apr 9, 25 | RNACCartesian Therapeutics, Inc. | BUY | 41.6K | $9.95 | $392K |
| Apr 9, 25 | TECXTectonic Therapeutic, Inc. | BUY | 16.2K | $15.23 | $237K |
| Apr 7, 25 | TECXTectonic Therapeutic, Inc. | BUY | 412.5K | $17.10 | $7.1M |
| Mar 20, 25 | RNACCartesian Therapeutics, Inc. | BUY | 54.9K | $15.59 | $856K |
| Mar 19, 25 | RNACCartesian Therapeutics, Inc. | BUY | 20.2K | $14.97 | $303K |
| Mar 18, 25 | RNACCartesian Therapeutics, Inc. | BUY | 14.7K | $14.42 | $213K |
| Feb 5, 25 | TECXTectonic Therapeutic, Inc. | BUY | 660.0K | $54.14 | $33.0M |
| Jan 14, 25 | RNACCartesian Therapeutics, Inc. | BUY | 4.0K | $18.00 | $72K |
| Jan 13, 25 | RNACCartesian Therapeutics, Inc. | BUY | 9.0K | $17.78 | $160K |
| Dec 23, 24 | RNACCartesian Therapeutics, Inc. | BUY | 5.2K | $19.00 | $98K |
| Dec 20, 24 | RNACCartesian Therapeutics, Inc. | BUY | 21.8K | $18.94 | $413K |
| Dec 19, 24 | RNACCartesian Therapeutics, Inc. | BUY | 11.3K | $18.93 | $197K |
| Nov 18, 24 | RNACCartesian Therapeutics, Inc. | BUY | 38.1K | $18.42 | $685K |
| Nov 15, 24 | RNACCartesian Therapeutics, Inc. | BUY | 277.2K | $17.09 | $4.7M |
| Nov 14, 24 | RNACCartesian Therapeutics, Inc. | BUY | 74.2K | $16.97 | $1.2M |
| Oct 22, 24 | TECXTectonic Therapeutic, Inc. | BUY | 300.0K | $33.59 | $10.1M |
| Oct 4, 24 | RNACCartesian Therapeutics, Inc. | BUY | 48.9K | $23.93 | $1.1M |
| Oct 3, 24 | RNACCartesian Therapeutics, Inc. | BUY | 50.5K | $21.86 | $1.0M |
| Oct 2, 24 | RNACCartesian Therapeutics, Inc. | BUY | 5.5K | $17.38 | $96K |
| Sep 26, 24 | TECXTectonic Therapeutic, Inc. | BUY | 24.5K | $30.87 | $691K |
| Aug 12, 24 | RNACCartesian Therapeutics, Inc. | BUY | 8.0K | $12.72 | $102K |
| Mar 18, 24 | RNACCartesian Therapeutics, Inc. | BUY | 19.0K | $0.61 | $11K |
| Mar 15, 24 | RNACCartesian Therapeutics, Inc. | BUY | 537.5K | $0.59 | $317K |
| Mar 14, 24 | RNACCartesian Therapeutics, Inc. | BUY | 648.4K | $0.54 | $350K |
| Mar 13, 24 | RNACCartesian Therapeutics, Inc. | BUY | 3.2K | $0.58 | $2K |
| Mar 12, 24 | RNACCartesian Therapeutics, Inc. | BUY | 1.2K | $0.61 | $732 |
| Mar 11, 24 | RNACCartesian Therapeutics, Inc. | BUY | 1.2K | $0.65 | $780 |
| Mar 8, 24 | RNACCartesian Therapeutics, Inc. | BUY | 4.8K | $0.66 | $3K |
| Feb 7, 24 | RNACCartesian Therapeutics, Inc. | BUY | 2.4K | $0.66 | $2K |
| Feb 6, 24 | RNACCartesian Therapeutics, Inc. | BUY | 800 | $0.65 | $520 |
| Jan 17, 24 | RNACCartesian Therapeutics, Inc. | BUY | 800 | $0.69 | $552 |
| May 3, 23 | MORFMorphic Holding, Inc. | BUY | 1.05M | $45.00 | $47.3M |
| Apr 11, 22 | SELBSELECTA BIOSCIENCES INC | BUY | 6.68M | - | $0 |
| Dec 15, 21 | SELBSELECTA BIOSCIENCES INC | BUY | 211.2K | $2.99 | $631K |
| Dec 13, 21 | SELBSELECTA BIOSCIENCES INC | BUY | 14.6K | $2.98 | $43K |
| Dec 10, 21 | SELBSELECTA BIOSCIENCES INC | BUY | 58.7K | $2.99 | $175K |
| Dec 9, 21 | SELBSELECTA BIOSCIENCES INC | BUY | 3.75M | $3.06 | $11.5M |
| Aug 20, 21 | MORFMorphic Holding, Inc. | BUY | 11.5K | $56.80 | $654K |
| Aug 19, 21 | MORFMorphic Holding, Inc. | BUY | 18.9K | $56.82 | $1.1M |
| Aug 18, 21 | MORFMorphic Holding, Inc. | BUY | 21.1K | $56.35 | $1.2M |