STOCK TITAN

Gevo (GEVO) CEO Bloom sells 75,735 shares under Rule 10b5-1 plan

Filing Impact
(High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Gevo, Inc. director and CEO Paul D. Bloom reported transactions in the company’s common stock linked to compensation and plan administration. He sold 75,735 shares at a weighted average price of $1.7598 per share to cover tax withholding obligations upon the vesting of a restricted stock award. These sales were carried out under a pre-arranged Rule 10b5-1 trading plan adopted on December 22, 2025.

Following the sale, Bloom directly holds 1,518,588 shares of Gevo common stock. Separately, he holds 28,123.51 shares indirectly through a 401(k) plan, after disposing of 10.54 shares between May 20, 2026 and May 27, 2026 to cover plan administrative fees.

Positive

  • None.

Negative

  • None.
Insider Bloom Paul D
Role CEO
Sold 75,735 shs ($133K)
Type Security Shares Price Value
Sale Common Stock 75,735 $1.7598 $133K
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 1,518,588 shares (Direct, null); Common Stock — 28,123.51 shares (Indirect, By 401(k) Plan)
Footnotes (1)
  1. Represents shares sold by the Reporting Person to cover tax withholding obligations upon vesting of a restricted stock award. The reported sales were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on December 22, 2025. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.74 to $1.80 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. Between May 20, 2026 and May 27, 2026, the reporting person disposed of 10.54 shares of the issuer's common stock under the issuer's 401(k) plan to cover administrative fees. The information in this report is based on a plan statement dated May 22, 2026.
Shares sold for tax withholding 75,735 shares Open-market sale to cover tax withholding on restricted stock vesting
Weighted average sale price $1.7598 per share Common stock sales in multiple transactions from $1.74 to $1.80
Direct holdings after transaction 1,518,588 shares Gevo common stock directly owned by Paul D. Bloom post-sale
Indirect 401(k) holdings after fees 28,123.51 shares Gevo common stock held via 401(k) plan after 10.54 shares disposed
401(k) shares disposed 10.54 shares Disposed between May 20 and May 27, 2026 to cover plan fees
10b5-1 plan adoption date December 22, 2025 Pre-arranged trading plan governing the tax-related sales
restricted stock award financial
"to cover tax withholding obligations upon vesting of a restricted stock award"
A restricted stock award is company shares given to an employee or executive that cannot be sold or fully owned until certain conditions—like staying with the company for a set time or hitting performance targets—are met. Think of it as a gift that only becomes yours after you fulfill specific obligations; for investors, these awards matter because they can increase the total shares outstanding when they vest, reveal how management is being paid and motivated, and create potential selling pressure when restrictions lift.
Rule 10b5-1 trading plan regulatory
"The reported sales were effected pursuant to a 10b5-1 trading plan adopted"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
weighted average price financial
"The reported price in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
401(k) plan financial
"the issuer's common stock under the issuer's 401(k) plan to cover administrative fees."
A 401(k) plan is a workplace retirement account that lets employees set aside part of their pay into a tax-advantaged savings pot, often with employers adding matching contributions — like a workplace piggy bank for future income. It matters to investors because the amount people save and how employers fund these plans influence consumer spending, corporate payroll costs and the flow of money into financial markets, which can affect stock prices and company valuations.
administrative fees financial
"disposed of 10.54 shares of the issuer's common stock under the issuer's 401(k) plan to cover administrative fees."
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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Bloom Paul D

(Last)(First)(Middle)
C/O GEVO, INC. 345 INVERNESS DRIVE SOUTH
BUILDING C, SUITE 310

(Street)
ENGLEWOOD COLORADO 80112

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Gevo, Inc. [ GEVO ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/27/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock05/27/2026S(1)75,735D$1.7598(2)1,518,588D
Common Stock28,123.51(3)IBy 401(k) Plan
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Represents shares sold by the Reporting Person to cover tax withholding obligations upon vesting of a restricted stock award. The reported sales were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on December 22, 2025.
2. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.74 to $1.80 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
3. Between May 20, 2026 and May 27, 2026, the reporting person disposed of 10.54 shares of the issuer's common stock under the issuer's 401(k) plan to cover administrative fees. The information in this report is based on a plan statement dated May 22, 2026.
Remarks:
/s/ E. Cabell Massey, Attorney-in-Fact05/29/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did Gevo (GEVO) CEO Paul D. Bloom report in this Form 4?

Paul D. Bloom reported sales of Gevo common stock primarily to cover tax obligations. He sold 75,735 shares tied to restricted stock vesting and small additional amounts from a 401(k) plan to pay administrative fees, all detailed in this insider transaction report.

How many Gevo (GEVO) shares did the CEO sell and at what price?

Bloom sold 75,735 Gevo common shares at a weighted average price of $1.7598 per share. The shares were sold in multiple transactions, with individual prices ranging from $1.74 to $1.80 per share, as disclosed in the transaction footnotes.

Why were the Gevo (GEVO) shares sold by the CEO in this filing?

The reported 75,735-share sale was made to cover tax withholding obligations from a restricted stock award vesting. Footnotes specify the sales were for tax withholding, rather than discretionary portfolio changes, and executed under a pre-arranged Rule 10b5-1 trading plan.

What is a Rule 10b5-1 trading plan mentioned in the Gevo (GEVO) filing?

A Rule 10b5-1 trading plan allows insiders to schedule trades in advance under preset terms. Bloom’s sales were executed pursuant to such a plan adopted on December 22, 2025, indicating the trades were pre-arranged rather than timed based on short-term market movements.

How many Gevo (GEVO) shares does the CEO hold after these transactions?

After the reported transactions, Bloom directly owns 1,518,588 Gevo common shares. He also indirectly holds 28,123.51 shares through the company’s 401(k) plan, providing a view of his remaining equity stake following tax-related and administrative-fee-related dispositions.

What happened to Gevo (GEVO) shares in the CEO’s 401(k) plan?

Between May 20, 2026 and May 27, 2026, Bloom disposed of 10.54 Gevo shares held in the 401(k) plan. The filing explains these small sales covered plan administrative fees, based on a plan statement dated May 22, 2026.