Christopher Tatnall
Insider
First SEC filing: Sept. 1, 2023 · Latest: Sept. 1, 2023
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-174,608
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 15, 2026 | ACLS | F | 136 | $105.04 | $14,285 | 27,491 Direct | -0.49% | Disposed | 40.7% (price as of 2026-10-02) |
| May 20, 2026 | ACLS | S | 1,166 | $149.75 | $174,608 | 27,627 Direct | -4.05% | Disposed | -1.3% (price as of 2026-10-02) |
| May 15, 2026 | ACLS | A | 3,504 | · | · | 26,548 Direct | +15.21% | Acquired | (price as of 2026-10-02) |
| May 15, 2026 | ACLS | A | 3,504 | · | · | 30,052 Direct | +13.20% | Acquired | (price as of 2026-10-02) |
| May 15, 2026 | ACLS | F | 744 | $155.18 | $115,454 | 29,308 Direct | -2.48% | Disposed | -4.8% (price as of 2026-10-02) |
| May 15, 2026 | ACLS | F | 345 | $155.18 | $53,537 | 28,963 Direct | -1.18% | Disposed | -4.8% (price as of 2026-10-02) |
| May 15, 2026 | ACLS | F | 170 | $155.18 | $26,381 | 28,793 Direct | -0.59% | Disposed | -4.8% (price as of 2026-10-02) |
| April 20, 2026 | ACLS | F | 907 | $131.02 | $118,835 | 23,044 Direct | -3.79% | Disposed | 12.8% (price as of 2026-10-02) |
| March 2, 2026 | ACLS | F | 1,121 | $86.58 | $97,056 | 23,183 Direct | -4.61% | Disposed | 70.7% (price as of 2026-10-02) |
| Sept. 15, 2025 | ACLS | F | 137 | $87.30 | $11,960 | 24,304 Direct | -0.56% | Disposed | 69.3% (price as of 2026-10-02) |
| May 15, 2025 | ACLS | A | 6,148 | · | · | 18,808 Direct | +48.56% | Acquired | (price as of 2026-10-02) |
| May 15, 2025 | ACLS | A | 6,148 | · | · | 24,956 Direct | +32.69% | Acquired | (price as of 2026-10-02) |
| May 15, 2025 | ACLS | F | 345 | $62.67 | $21,621 | 24,611 Direct | -1.38% | Disposed | 135.8% (price as of 2026-10-02) |
| May 15, 2025 | ACLS | F | 170 | $62.67 | $10,654 | 24,441 Direct | -0.69% | Disposed | 135.8% (price as of 2026-10-02) |
| April 21, 2025 | ACLS | F | 907 | $45.23 | $41,024 | 12,660 Direct | -6.69% | Disposed | 226.7% (price as of 2026-10-02) |
| Feb. 28, 2025 | ACLS | F | 1,146 | $54.79 | $62,789 | 13,567 Direct | -7.79% | Disposed | 169.7% (price as of 2026-10-02) |
| Sept. 16, 2024 | ACLS | F | 83 | $98.86 | $8,205 | 13,288 Direct | -0.62% | Disposed | 49.5% (price as of 2026-10-02) |
| May 15, 2024 | ACLS | A | 2,849 | · | · | 10,625 Direct | +36.64% | Acquired | (price as of 2026-10-02) |
| May 15, 2024 | ACLS | A | 2,849 | · | · | 13,474 Direct | +26.81% | Acquired | (price as of 2026-10-02) |
| May 15, 2024 | ACLS | F | 103 | $112.94 | $11,633 | 13,371 Direct | -0.76% | Disposed | 30.8% (price as of 2026-10-02) |
| April 18, 2024 | ACLS | F | 551 | · | · | 7,776 Direct | -6.62% | Disposed | (price as of 2026-10-02) |
| Sept. 15, 2023 | ACLS | A | 1,125 | · | · | 8,327 Direct | +15.62% | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|
| Sept. 1, 2023 | ACLS | Common Stock | · | Direct |