TIMOTHY A SPRINGER
CIK 1055624 · last filed 2026-06-10
TIMOTHY A SPRINGER is a corporate insider who has filed 77 SEC Form 4 insider transactions across 5 companies since 2016. The most recent filing, for TECX, was dated Jun 10, 2026. Across all open-market trades the lifetime net is +$247.0M, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $392.5M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$392.46M
5
77
$246.95M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| TECX | Director | 5,724,306 | $30.28 | $173.33M | $62.37M | 7 | 2026-06-10 |
| RNAC | Director | 9,302,798 | $9.51 | $88.47M | $16.68M | 18 | 2026-01-06 |
| Morphic Holding, Inc. (MORF) Delisted | Director | 4,650,925 | $56.99 | $265.06M | $75.55M | 15 | 2024-06-05 |
| Cartesian Therapeutics, Inc. (SELB) Delisted | Director | 37,162,115 | $0.88 | $32.75M | $91.35M | 29 | 2023-01-04 |
| SRRK | Director | 2,957,422 | $44.18 | $130.66M | $1000.0K | 6 | 2019-12-12 |
Recent Filings
77 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-10 | TECX | Grant (A) | — | $0 | EDGAR |
| 2026-01-06 | RNAC | Grant (A) | +2,600 | $0 | EDGAR |
| 2025-06-11 | TECX | Grant (A) | — | $0 | EDGAR |
| 2025-04-11 | RNAC | Buy (P) | +149,075 | $1.52M | EDGAR |
| 2025-04-11 | TECX | Buy (P) | +141,923 | $2.30M | EDGAR |
| 2025-04-09 | TECX | Buy (P) | +500,000 | $8.55M | EDGAR |
| 2025-03-20 | RNAC | Buy (P) | +89,863 | $1.37M | EDGAR |
| 2025-02-07 | TECX | Buy (P) | +789,294 | $40.00M | EDGAR |
| 2025-01-15 | RNAC | Buy (P) | +20,967 | $366.4K | EDGAR |
| 2025-01-06 | RNAC | Grant (A) | +2,600 | $0 | EDGAR |