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Third Rock Ventures GP VI, L.P., 10% owner at Septerna, sold SEPN on Aug 12, 2026

Data as of Oct 27

▼ SELL$7.4M147,059 shares at $50.27Third Rock Ventures GP VI, L.P. 10% ownerSEPN Septerna, Inc.
Watch SEPN
Traded
Aug 12, 2026
Disclosed
Aug 14, 2026
Filed
2 days after the trade

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

Third Rock Ventures GP VI, L.P., 10% owner at Septerna, sold SEPN on Aug 12, 2026TRADEDDISCLOSED
SEPNSimilar stocks (XLV — its sector index fund), rebased to SEPN's price on the disclosure day
SEPN since disclosure
−0.8%
after the sale
Similar stocks (XLV) since disclosure
+7.1%
XLV — its sector index fund

Change in closing price from Aug 14, 2026 (the first trading day on or after disclosure) to Oct 27, 2026. Dividends excluded. Not a return anyone earned.

Our take

None of our tested rules fired on this trade.

Other trades in the same filing

  1. ▼ SELLTrv GP Vi, LLC 10% ownerSEPN Septerna, Inc.$7.2Kdisclosed Aug 14 · filed 2 days after the trade
  2. ▼ SELLThird Rock Ventures GP VI, L.P. 10% ownerSEPN Septerna, Inc.$7.2Kdisclosed Aug 14 · filed 2 days after the trade
  3. ▼ SELLThird Rock Ventures GP V, LP 10% ownerSEPN Septerna, Inc.$7.2Kdisclosed Aug 14 · filed 2 days after the trade
  4. ▼ SELLTrv GP V, LLC 10% ownerSEPN Septerna, Inc.$7.2Kdisclosed Aug 14 · filed 2 days after the trade
  5. ▼ SELLThird Rock Ventures VI, L.P. 10% ownerSEPN Septerna, Inc.$7.2Kdisclosed Aug 14 · filed 2 days after the trade
  6. ▼ SELLThird Rock Ventures VI, L.P. 10% ownerSEPN Septerna, Inc.$7.4Mdisclosed Aug 14 · filed 2 days after the trade
  7. ▼ SELLThird Rock Ventures V, L.P. 10% ownerSEPN Septerna, Inc.$7.4Mdisclosed Aug 14 · filed 2 days after the trade
  8. ▼ SELLTrv GP Vi, LLC 10% ownerSEPN Septerna, Inc.$7.4Mdisclosed Aug 14 · filed 2 days after the trade
  9. ▼ SELLThird Rock Ventures GP V, LP 10% ownerSEPN Septerna, Inc.$7.4Mdisclosed Aug 14 · filed 2 days after the trade
  10. ▼ SELLThird Rock Ventures V, L.P. 10% ownerSEPN Septerna, Inc.$7.2Kdisclosed Aug 14 · filed 2 days after the trade
  11. ▼ SELLTrv GP V, LLC 10% ownerSEPN Septerna, Inc.$7.4Mdisclosed Aug 14 · filed 2 days after the trade

See every trade on SEPN →