SRTA

Strata Critical Medical, Inc.

Insider activity for last month from 08/11 to 09/11. 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.

Latest filingSep 10, 2026Most recent Form 4
Total buying$00 buys
Total selling$00 sells
Net open-market+$05 insiders
Open-market mix
Buy vs sell distribution by transaction count
0 transactions

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
530-3-5transactionsAugSep

Transaction codes

By Form 4 transaction code in selected period
5transactions
  • F · Tax withholding · dominant5 · 100%

Activity by reported role

A joint filing can contribute to multiple roles
7transactions
  • Chief executive officer · dominant2 · 29%
  • CAO1 · 14%
  • CC1 · 14%
  • CCC1 · 14%
  • CS1 · 14%
  • GC1 · 14%

Distinct insiders active

Reporting-owner CIKs by month · peak Sep 2026 (5)
Aug 2026Sep 2026
5distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Heyburn William A.Class A common stock, $0.0001 par value per share · Direct
1.7M1.7MSep 08, 2026 · 1,678,348 shares owned afterSep 08, 2026Sep 08, 2026
1,678,348Sep 08, 2026
Tomkiel Melissa M.Class A common stock, $0.0001 par value per share · Direct
2.1M2.1MSep 08, 2026 · 2,066,617 shares owned afterSep 08, 2026Sep 08, 2026
2,066,617Sep 08, 2026
Cohen AmirClass A common stock, $0.0001 par value per share · Direct
177.2k177.2kSep 08, 2026 · 177,154 shares owned afterSep 08, 2026Sep 08, 2026
177,154Sep 08, 2026
Wunsch Scott MClass A common stock, $0.0001 par value per share · Direct
663.0k663.0kSep 08, 2026 · 663,043 shares owned afterSep 08, 2026Sep 08, 2026
663,043Sep 08, 2026
Verdetto Louis R.Class A common stock, $0.0001 par value per share · Direct
1.1M1.1MSep 08, 2026 · 1,128,096 shares owned afterSep 08, 2026Sep 08, 2026
1,128,096Sep 08, 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 red
1 active days
Aug 11Sep 11
LessMore
Top insiders
By absolute net value across the selected period
5 insiders
  • HA
    Heyburn William A.CCC · rank 1 · 0 buys · 0 sells
    -$168.2klast 09/10/undefined
  • TM
    Tomkiel Melissa M.CC, GC · rank 2 · 0 buys · 0 sells
    -$157.9klast 09/10/undefined
  • WM
    Wunsch Scott MCEO · rank 3 · 0 buys · 0 sells
    -$30.3klast 09/10/undefined
  • VR
    Verdetto Louis R.CEO, CS · rank 4 · 0 buys · 0 sells
    -$30.3klast 09/10/undefined
  • CA
    Cohen AmirCAO · rank 5 · 0 buys · 0 sells
    -$24.7klast 09/10/undefined
Recent filing activity
Most recent 5 transactions · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale-
10b5-1 detected0
Amended rows0

Filing-only signals

Deterministic matches in the selected period

No filing-only signal badges matched this period.

SRTA transaction history

Filters apply within this company and selected period by default
Reset
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
SRTAVerdetto Louis R.
CEOCS
withholding5.69k-$3.02MF0.0%09/1009/08
SRTAWunsch Scott M
CEO
withholding5.71k-$3.03MF0.0%09/1009/08
SRTACohen Amir
CAO
withholding4.64k-$2.46MF0.0%09/1009/08
SRTATomkiel Melissa M.
CCGC
withholding29.7k-$15.7MF0.0%09/1009/08
SRTAHeyburn William A.
CCC
withholding31.6k-$16.8MF0.0%09/1009/08

Strata Critical Medical, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Strata Critical Medical, Inc.?

Verdetto Louis R., Wunsch Scott M, Cohen Amir, Tomkiel Melissa M., Heyburn William A..

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

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?

No code-P purchases or code-S sales were reported in the selected period.

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.