InsiderTrades

SPRINGER TIMOTHY A

SEC CIK 1055624 · EDGAR

Buying vs selling by month open-market trades, last 58 months, all 2 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
RNACCartesian Therapeutics, Inc.Dir, 10% 8.65M $29.00M — 282021-12-092026-01-02
TECXTectonic Therapeutic, Inc.Dir, 10% 4.33M $62.37M — 122024-06-202025-04-09

Most active insiders at RNAC, 12 months

#InsiderTitleBoughtSold
1 BARABE TIMOTHY CDir $205.8K—
2 Brunn CarstenPres, CEO, Dir —$162.1K
3 Davis BlaineCFO —$72.2K
4 Miljkovic MilosChief Medical Off —$24.4K
5 Bot Adrian IonDir ——
6 Seymour June AnnCAO ——
7 English EmilyChief Ops Off ——
8 Hoge Elizabeth10% ——
9 Singer MichaelDir ——
10 Kalayoglu MuratDir, 10% ——
14 SPRINGER TIMOTHY ADir, 10% ——

Transactions 40

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2026-01-06 2026-01-02 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% A - Grant $0.00 +2,600 8.65M +0.0% $0
MI 2025-04-11 2025-04-09+ RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $10.21 +126.7K 656.5K +24% +$1.29M
M 2025-04-11 2025-04-09+ RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $10.21 +22.4K 8.63M +0.3% +$228.3K
M 2025-04-11 2025-04-09+ TECX Tectonic Therapeutic, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $16.20 +21.3K 4.33M +0.5% +$344.8K
MI 2025-04-11 2025-04-09+ TECX Tectonic Therapeutic, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $16.20 +120.6K 1.40M +9% +$1.95M
I 2025-04-09 2025-04-07 TECX Tectonic Therapeutic, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $17.10 +412.5K 1.38M +43% +$7.05M
2025-04-09 2025-04-07 TECX Tectonic Therapeutic, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $17.10 +87.5K 4.31M +2% +$1.50M
M 2025-03-20 2025-03-18+ RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $15.26 +89.9K 8.57M +1% +$1.37M
2025-02-07 2025-02-05 TECX Tectonic Therapeutic, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $54.14 +129.3K 4.23M +3% +$7.00M
I 2025-02-07 2025-02-05 TECX Tectonic Therapeutic, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $50.00 +660.0K 970.2K +213% +$33.00M
M 2025-01-15 2025-01-13+ RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $17.47 +21.0K 8.53M +0.2% +$366.4K
D 2025-01-06 2025-01-02 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% A - Grant $0.00 +2,600 8.51M +0.0% $0
M 2024-12-23 2024-12-19+ RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $18.49 +52.2K 8.51M +0.6% +$965.0K
M 2024-11-18 2024-11-14+ RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $17.07 +431.9K 8.46M +5% +$7.37M
2024-10-24 2024-10-22 TECX Tectonic Therapeutic, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $33.59 +300.0K 4.10M +8% +$10.08M
DM 2024-10-04 2024-10-02+ RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $20.87 +205.7K 7.86M +3% +$4.29M
DMI 2024-10-04 2024-10-02 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% J - Other — -1.80M 529.8K -77% —
D 2024-10-04 2024-10-02 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% J - Other — +1.80M 7.82M +30% —
M 2024-09-27 2024-09-25 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% M - OptEx — 0 6.02M New —
MI 2024-09-27 2024-09-25 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% M - OptEx — 0 12.8K New —
M 2024-09-26 2024-09-26 TECX Tectonic Therapeutic, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $28.82 +50.0K 3.79M +1% +$1.44M
2024-09-26 2024-09-24 TECX Tectonic Therapeutic, Inc. SPRINGER TIMOTHY A Dir, 10% J - Other $0.00 +1.05M 3.75M +39% $0
MI 2024-09-26 2024-09-24 TECX Tectonic Therapeutic, Inc. SPRINGER TIMOTHY A Dir, 10% J - Other $0.00 -1.05M 310.2K -77% $0
I 2024-08-14 2024-08-12 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $12.72 +8,016 11.5K +229% +$102.0K
MI 2024-07-05 2024-07-02 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% A - Grant $20.00 +722.7K 1,307 New +$14.45M
2024-07-05 2024-07-02 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% A - Grant $20.00 +1.64M 1.64M New +$32.74M
D 2024-06-24 2024-06-20 TECX Tectonic Therapeutic, Inc. SPRINGER TIMOTHY A Dir, 10% A - Grant — +2.69M 2.69M New —
DI 2024-06-24 2024-06-20 TECX Tectonic Therapeutic, Inc. SPRINGER TIMOTHY A Dir, 10% A - Grant — +1.55M 1.55M New —
MI 2024-04-10 2024-04-08 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% M - OptEx — +801.4K 0 New —
M 2024-04-10 2024-04-08 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% M - OptEx — +4.01M 0 New —
MI 2024-03-28 2024-01-17+ RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $0.6202 +18.4K 97.6K +23% +$11.4K
DI 2024-03-26 2024-03-26 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% M - OptEx $1.46 +1.97M 33.04M +6% +$2.88M
I 2024-03-20 2024-03-18 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $0.6 +19.0K 31.07M +0.1% +$11.4K
MI 2024-03-18 2024-03-14+ RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $0.5627 +1.19M 30.52M +4% +$667.2K
D 2024-01-04 2024-01-02 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% A - Grant $0.00 +178.0K 7.47M +2% $0
DI 2023-11-15 2023-11-15 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% A - Grant $403.47 +24.8K 24.8K New +$10.00M
D 2023-11-15 2023-11-15 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% A - Grant $403.47 +123.9K 123.9K New +$50.00M
DI 2022-04-13 2022-04-11 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase — +6.68M 29.87M +29% —
I 2021-12-17 2021-12-15 RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $2.99 +211.2K 23.19M +0.9% +$631.5K
MI 2021-12-13 2021-12-09+ RNAC Cartesian Therapeutics, Inc. SPRINGER TIMOTHY A Dir, 10% P - Purchase $3.06 +3.82M 22.98M +20% +$11.69M

Purchase Sale Sale after option exercise All abbreviations