Atlas Venture Opportunity Fund II, L.P.
CIK 1885327 · last filed 2025-02-10
"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.
Loading insider history…
Disclosed Exposure
$219.22M
Companies
2
Total Filings
48
Lifetime Open-Market Net
-$95.58M
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Recent Filings · Page 2 of 5
48 filingsInsider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-24 | KRRO | Notice (144) | −7,093 | -$97.2K | EDGAR |
| 2026-06-24 | DYN | Notice (144) | −25,397 | -$514.5K | EDGAR |
| 2026-06-23 | DYN | Notice (144) | −39,131 | -$816.7K | EDGAR |
| 2026-06-23 | KRRO | Notice (144) | −17,426 | -$242.2K | EDGAR |
| 2026-06-22 | KRRO | Notice (144) | −3,661 | -$47.6K | EDGAR |
| 2026-05-06 | DYN | Notice (144) | −21,926 | -$383.0K | EDGAR |
| 2026-05-05 | DYN | Notice (144) | −3,056 | -$54.1K | EDGAR |
| 2026-05-04 | DYN | Notice (144) | −3,136 | -$54.5K | EDGAR |
| 2026-04-28 | DYN | Notice (144) | −59,836 | -$1.08M | EDGAR |
| 2026-04-27 | DYN | Notice (144) | −45,709 | -$834.6K | EDGAR |
Form 4 codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.