Atlas Venture Fund X, L.P.
CIK 1628098 · View on SEC EDGAR ↗
Activist
First SEC filing: May 28, 2026 · Latest: May 28, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 7 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 18, 2021 | KYMR | J 10b5-1 | 1,122,619 | — | — | 5,763,012 Direct | -16.30% | Disposed | (price as of 2026-08-21) |
| Feb. 18, 2021 | KYMR | J 10b5-1 | 1,063,351 | — | — | 6,885,631 Direct | -13.38% | Disposed | (price as of 2026-08-21) |
| Feb. 11, 2021 | DNTH | J 10b5-1 | 968,726 | — | — | 3,148,399 Direct | -23.53% | Disposed | (price as of 2026-08-21) |
| Sept. 15, 2020 | REPL | J 10b5-1 | 445,339 | — | — | 2,486,296 Direct | -15.19% | Disposed | (price as of 2026-08-21) |
| July 2, 2020 | REPL | J 10b5-1 | 445,339 | — | — | 2,931,635 Direct | -13.19% | Disposed | (price as of 2026-08-21) |
| June 16, 2020 | REPL | J 10b5-1 | 445,339 | — | — | 3,376,974 Direct | -11.65% | Disposed | (price as of 2026-08-21) |
| Feb. 12, 2019 | REPL | J 10b5-1 | 631,073 | — | — | 3,822,313 Direct | -14.17% | Disposed | (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.