Brian B Tessin
Insider
First SEC filing: Oct. 17, 2025 · Latest: June 3, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 1, 2026 | ISBA | A | 8 | $38.55 | $308 | 1,070 Direct | +0.75% | Acquired | -1.8% (price as of 2026-10-05) |
| June 1, 2026 | ISBA | A | 7 | $41.49 | $290 | 1,062 Direct | +0.66% | Acquired | -8.7% (price as of 2026-10-05) |
| March 2, 2026 | ISBA | A | 826 | $48.54 | $40,094 | 1,055 Direct | +360.70% | Acquired | -22.0% (price as of 2026-10-05) |
| Dec. 1, 2025 | ISBA | A | 229 | $43.50 | $9,962 | 229 Direct | · | Acquired | -12.9% (price as of 2026-10-05) |
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.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 17, 2025 | ISBA | common | 0 | Direct |