SULLIVAN JOHN JAMES sold 28.5% of their position (7.09K shares) of MESA LABORATORIES INC /CO/ on the open market
Open‑market sale worth $800.1K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 8/17/2026ACC: 0000724004-26-000085
Director
Since Nov 2018
-7.09K
Net shares
Net seller
$800.1K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
7.09K disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
−7.09K
Price / share
$112.80
Trade value
$800.09K
% of position
28.5%
8/13/2026
24.93K→17.83K
Total
Net shares
−7.09K
Net value
-$800.09K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/13/2026 | S · Sale | −7.09K | $112.80 | $800.09K | 28.5% | 24.93K | 17.83K |
| Total | −7.09K | -$800.09K | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1
Common Stock
IndirectShares owned45.11K
Total
45.11K indirect45.11K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 45.11K | Indirect |
| Total | 45.11K | 45.11K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported