Latest filingAug 24, 2026Most recent Form 4
ABCL
AbCellera Biologics Inc.
NasdaqHealthcarePharmaceutical Preparations
Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$68.0M2 buys
Total selling$00 sells
Net open-market+$68.0M2 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period2transactions
- P · Open-market buys · dominant2 · 100%
Activity by reported role
A joint filing can contribute to multiple roles2transactions
- Director · dominant2 · 100%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (2)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeMontalbano John S.Common Shares · Direct
251,000Aug 18, 2026
Hayden Michael RCommon Shares · Indirect · See footnote
1,373,397Aug 24, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 03 → Sep 03
LessMore
Top insiders
By absolute net value across the selected period- HR+$570.4k
- MS+$110.3k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
ABCL transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| ABCL | Hayden Michael R | DIR | buy | 53.6k | $57.0M | P | +15.3% | 08/24 | 08/24 | |
| ABCL | Montalbano John S. | DIR | buy | 10.0k | $11.0M | P | +10.0% | 08/18 | 08/18 |
AbCellera Biologics Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at AbCellera Biologics Inc.?
Hayden Michael R, Montalbano John S..
When was the latest reported open-market purchase?
Hayden Michael R reported a buy on Aug 24, 2026 valued at $57.0M. Read the SEC filing.
When was the latest reported open-market sale?
No code-S sale is available for this period.
What is the recent purchase and sale balance?
Net open-market buying in the selected period was $680,742.32. This describes filed transactions, not a bullish rating.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.