SPRINGER TIMOTHY A

Director · Ten-percent owner · TECX, RNAC

As of 2026-09-16, SPRINGER TIMOTHY A has 39 Form 4 transactions on record across 2 companies — 3 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $346KIndirect: $47.2M$47.5Mas of 2026-09-16
  • Direct $346K
  • Indirect $47.2M
TECXindirect1,503,358 sh$42.0M
RNACindirect656,513 sh$5.2M
TECXdirect10,200 sh$285K
RNACdirect7,800 sh$62K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

RNAC · 25 trades
2026-01-02: Award / grant, 7,800 sh ($0)2026-01-02: Award / grant, 2,600 sh ($0)2025-04-11: Purchase, 36,338 sh ($391K)2025-04-11: Purchase, 6,412 sh ($69K)2025-04-10: Purchase, 45,144 sh ($471K)2025-04-10: Purchase, 7,966 sh ($83K)2025-04-10: Purchase, 3,451 sh ($38K)2025-04-10: Purchase, 609 sh ($7K)2025-04-09: Purchase, 41,604 sh ($392K)2025-04-09: Purchase, 7,342 sh ($69K)2025-04-09: Purchase, 178 sh ($2K)2025-04-09: Purchase, 31 sh ($308)2025-03-20: Purchase, 54,889 sh ($856K)2025-03-19: Purchase, 20,234 sh ($303K)2025-03-18: Purchase, 14,740 sh ($213K)2025-01-14: Purchase, 4,022 sh ($72K)2025-01-13: Purchase, 8,983 sh ($160K)2025-01-13: Purchase, 7,962 sh ($134K)2025-01-02: Award / grant, 2,600 sh ($0)2025-01-02: Award / grant, 7,800 sh ($0)2024-12-23: Purchase, 5,181 sh ($98K)2024-12-20: Purchase, 21,800 sh ($413K)2024-12-19: Purchase, 11,303 sh ($197K)2024-12-19: Purchase, 10,529 sh ($193K)2024-12-19: Purchase, 3,376 sh ($64K)
TECX · 14 trades
2026-06-09: Award / grant, 10,200 sh ($0)2025-06-09: Award / grant, 10,200 sh ($0)2025-04-11: Purchase, 53,706 sh ($876K)2025-04-11: Purchase, 9,478 sh ($155K)2025-04-10: Purchase, 45,858 sh ($767K)2025-04-10: Purchase, 8,092 sh ($135K)2025-04-09: Purchase, 16,215 sh ($237K)2025-04-09: Purchase, 4,856 sh ($74K)2025-04-09: Purchase, 2,861 sh ($42K)2025-04-09: Purchase, 857 sh ($13K)2025-04-07: Purchase, 412,500 sh ($7.1M)2025-04-07: Purchase, 87,500 sh ($1.5M)2025-02-05: Purchase, 660,000 sh ($33.0M)2025-02-05: Purchase, 129,294 sh ($7.0M)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-04-11TECXPurchase53,706 @ $16.31$876K+3.7% of holding1,503,358Form 4
2025-04-11RNACPurchase36,338 @ $10.77$391K+5.9% of holding656,513Form 4
2025-04-11TECXPurchase9,478 @ $16.31$155K+0.2% of holding4,334,846Form 4
2025-04-11RNACPurchase6,412 @ $10.77$69K+0.1% of holding8,643,685Form 4
2025-04-10TECXPurchase45,858 @ $16.73$767K+3.3% of holding1,449,652Form 4
2025-04-10RNACPurchase45,144 @ $10.43$471K+7.9% of holding616,724Form 4
2025-04-10TECXPurchase8,092 @ $16.73$135K+0.2% of holding4,325,368Form 4
2025-04-10RNACPurchase7,966 @ $10.43$83K+0.1% of holding8,636,664Form 4
2025-04-10RNACPurchase3,451 @ $10.92$38K+0.6% of holding620,175Form 4
2025-04-10RNACPurchase609 @ $10.92$7K+0.0% of holding8,637,273Form 4
2025-04-09RNACPurchase41,604 @ $9.43$392K+7.9% of holding571,402Form 4
2025-04-09TECXPurchase16,215 @ $14.62$237K+1.2% of holding1,398,938Form 4
2025-04-09TECXPurchase4,856 @ $15.23$74K+0.3% of holding1,403,794Form 4
2025-04-09RNACPurchase7,342 @ $9.43$69K+0.1% of holding8,628,667Form 4
2025-04-09TECXPurchase2,861 @ $14.62$42K+0.1% of holding4,316,419Form 4
2025-04-09TECXPurchase857 @ $15.23$13K+0.0% of holding4,317,276Form 4
2025-04-09RNACPurchase178 @ $9.95$2K+0.0% of holding571,580Form 4
2025-04-09RNACPurchase31 @ $9.95$308+0.0% of holding8,628,698Form 4
2025-04-07TECXPurchase412,500 @ $17.10$7.1M+42.5% of holding1,382,723Form 4
2025-04-07TECXPurchase87,500 @ $17.10$1.5M+2.1% of holding4,313,558Form 4
2025-03-20RNACPurchase54,889 @ $15.59$856K+0.6% of holding8,621,325Form 4
2025-03-19RNACPurchase20,234 @ $14.97$303K+0.2% of holding8,566,436Form 4
2025-03-18RNACPurchase14,740 @ $14.42$213K+0.2% of holding8,546,202Form 4
2025-02-05TECXPurchase660,000 @ $50.00$33.0M+212.8% of holding970,223Form 4
2025-02-05TECXPurchase129,294 @ $54.14$7.0M+3.2% of holding4,226,058Form 4
2025-01-14RNACPurchase4,022 @ $18.00$72K+0.0% of holding8,531,462Form 4
2025-01-13RNACPurchase8,983 @ $17.78$160K+0.1% of holding8,527,440Form 4
2025-01-13RNACPurchase7,962 @ $16.86$134K+0.1% of holding8,518,457Form 4
2024-12-23RNACPurchase5,181 @ $19.00$98K+0.1% of holding8,507,895Form 4
2024-12-20RNACPurchase21,800 @ $18.94$413K+0.3% of holding8,502,714Form 4
2024-12-19RNACPurchase11,303 @ $17.39$197K+0.1% of holding8,467,009Form 4
2024-12-19RNACPurchase10,529 @ $18.35$193K+0.1% of holding8,477,538Form 4
2024-12-19RNACPurchase3,376 @ $18.93$64K+0.0% of holding8,480,914Form 4
6 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-09TECXAward / grant10,20010,200Form 4
2026-01-02RNACAward / grant7,8007,800Form 4
2026-01-02RNACAward / grant2,6008,646,285Form 4
2025-06-09TECXAward / grant10,20010,200Form 4
2025-01-02RNACAward / grant2,6008,510,495Form 4
2025-01-02RNACAward / grant7,8007,800Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.