SEC Form 4 · accession 0001104659-26-103883
Avalanche Treasury Corp · AVAT
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Paul Grinberg
Director
Period of report
Aug 27, 2026
Accepted (ET)
Aug 31, 2026 · 4:15 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0002092446
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F1 | $0.63 | Aug 27, 2026 | A | 66,363 | A | — | Aug 27, 2036 | Class A Common Stock | 66,363 | 544,373 | D |
| Stock Option (Right to Buy)F2 | $0.63 | Aug 27, 2026 | A | 26,908 | A | — | Aug 27, 2036 | Class A Common Stock | 26,908 | 571,281 | D |
Explanation of responses
- F1Represents the initial award of stock options for his service as director. The initial option awards vest in three equal installments during each of the first three 12-month periods following the Grant Date on the earlier to occur during each such 12-month period of (i) the anniversary of the Grant Date and (ii) the annual meeting of the Company's stockholders, subject to the director's continued service with the Company or an affiliate through the vesting date.
- F2Represents the annual award of stock options for his service as director. The annual option awards vest in full on the earlier to occur of (i) the first anniversary of the Grant Date and (ii) the first annual meeting of the Company's stockholders to occur following the Grant Date, subject to the director's continued service with the Company or an affiliate through the vesting date.