Attach to Form 990 or Form 990-EZ.
Go to
www.irs.gov/Form990 for instructions and the latest information.
| (i) Name of supported organization | (ii) EIN | (iii) Type of organization (described on lines 1- 10 above (see instructions)) | (iv) Is the organization listed in your governing document? | (v) Amount of monetary support (see instructions) | (vi) Amount of other support (see instructions) | |
|---|---|---|---|---|---|---|
| Yes | No | |||||
|
Total |
||||||
Calendar year
(or fiscal year beginning in)
![]() |
(a) 2019 | (b) 2020 | (c) 2021 | (d) 2022 | (e) 2023 | (f) Total | |
|---|---|---|---|---|---|---|---|
| 1 | Gifts, grants, contributions, and membership fees received. (Do not include any "unusual grant.") .. | ||||||
| 2 | Tax revenues levied for the organization's benefit and either paid to or expended on its behalf .... | ||||||
| 3 | The value of services or facilities furnished by a governmental unit to the organization without charge.. | ||||||
| 4 | Total. Add lines 1 through 3 | ||||||
| 5 | The portion of total contributions by each person (other than a governmental unit or publicly supported organization) included on line 1 that exceeds 2% of the amount shown on line 11, column (f) .. | ||||||
| 6 | Public support. Subtract line 5 from line 4. | ||||||
Calendar year
(or fiscal year beginning in)
![]() |
(a) 2019 | (b) 2020 | (c) 2021 | (d) 2022 | (e) 2023 | (f) Total | |
|---|---|---|---|---|---|---|---|
| 7 | Amounts from line 4.. | ||||||
| 8 | Gross income from interest, dividends, payments received on securities loans, rents, royalties and income from similar sources... | ||||||
| 9 | Net income from unrelated business activities, whether or not the business is regularly carried on.. | ||||||
| 10 | Other income. Do not include gain or loss from the sale of capital assets (Explain in Part VI.).. | ||||||
| 11 | Total support. Add lines 7 through 10 | ||||||
Calendar year (or fiscal
year beginning in) ![]() |
(a) 2019 | (b) 2020 | (c) 2021 | (d) 2022 | (e) 2023 | (f) Total | |
|---|---|---|---|---|---|---|---|
| 1 | Gifts, grants, contributions, and membership fees received. (Do not include any "unusual grants.") . | 5,173,145 | 3,551,881 | 4,661,753 | 6,196,502 | 13,214,410 | 32,797,691 |
| 2 | Gross receipts from admissions, merchandise sold or services performed, or facilities furnished in any activity that is related to the organization's tax-exempt purpose | 25,268,786 | 23,746,380 | 23,513,952 | 23,611,358 | 24,810,901 | 120,951,377 |
| 3 | Gross receipts from activities that are not an unrelated trade or business under section 513 ..... | ||||||
| 4 | Tax revenues levied for the organization's benefit and either paid to or expended on its behalf... | ||||||
| 5 | The value of services or facilities furnished by a governmental unit to the organization without charge | ||||||
| 6 | Total. Add lines 1 through 5 | 30,441,931 | 27,298,261 | 28,175,705 | 29,807,860 | 38,025,311 | 153,749,068 |
| 7a | Amounts included on lines 1, 2, and 3 received from disqualified persons | 33,860 | 5,747 | 10,800 | 50,407 | ||
| b | Amounts included on lines 2 and 3 received from other than disqualified persons that exceed the greater of $5,000 or 1% of the amount on line 13 for the year. | 4,460,083 | 2,984,879 | 7,444,962 | |||
| c | Add lines 7a and 7b.. | 33,860 | 4,465,830 | 2,995,679 | 7,495,369 | ||
| 8 | Public support. (Subtract line 7c from line 6.) | 146,253,699 | |||||
Calendar year
(or fiscal year beginning in)
![]() |
(a) 2019 | (b) 2020 | (c) 2021 | (d) 2022 | (e) 2023 | (f) Total | |
|---|---|---|---|---|---|---|---|
| 9 | Amounts from line 6... | 30,441,931 | 27,298,261 | 28,175,705 | 29,807,860 | 38,025,311 | 153,749,068 |
| 10a | Gross income from interest, dividends, payments received on securities loans, rents, royalties and income from similar sources.. | 4,559,511 | 4,760,569 | 3,851,942 | 4,882,989 | 5,509,990 | 23,565,001 |
| b | Unrelated business taxable income (less section 511 taxes) from businesses acquired after June 30, 1975. | 24,986 | 15,309 | 21,400 | 61,695 | ||
| c | Add lines 10a and 10b. | 4,584,497 | 4,775,878 | 3,873,342 | 4,882,989 | 5,509,990 | 23,626,696 |
| 11 | Net income from unrelated business activities not included on line 10b, whether or not the business is regularly carried on. | ||||||
| 12 | Other income. Do not include gain or loss from the sale of capital assets (Explain in Part VI.) .. | ||||||
| 13 | Total support. (Add lines 9, 10c, 11, and 12.).. | 35,026,428 | 32,074,139 | 32,049,047 | 34,690,849 | 43,535,301 | 177,375,764 |
| Section A - Adjusted Net Income | (A) Prior Year |
(B) Current Year (optional) |
||||
| 1 | Net short-term capital gain | 1 | ||||
| 2 | Recoveries of prior-year distributions | 2 | ||||
| 3 | Other gross income (see instructions) | 3 | ||||
| 4 | Add lines 1 through 3 | 4 | ||||
| 5 | Depreciation and depletion | 5 | ||||
| 6 | Portion of operating expenses paid or incurred for production or collection of gross income or for management, conservation, or maintenance of property held for production of income (see instructions) | 6 | ||||
| 7 | Other expenses (see instructions) | 7 | ||||
| 8 | Adjusted Net Income (subtract lines 5, 6 and 7 from line 4) | 8 | ||||
| Section B - Minimum Asset Amount | (A) Prior Year |
(B) Current Year (optional) |
||||
| 1 | Aggregate fair market value of all non-exempt-use assets (see instructions for short tax year or assets held for part of year): | 1 | ||||
| a | Average monthly value of securities | 1a | ||||
| b | Average monthly cash balances | 1b | ||||
| c | Fair market value of other non-exempt-use assets | 1c | ||||
| d | Total (add lines 1a, 1b, and 1c) | 1d | ||||
| e |
Discount claimed for blockage or other factors (explain in detail in Part VI): |
|||||
| 2 | Acquisition indebtedness applicable to non-exempt use assets | 2 | ||||
| 3 | Subtract line 2 from line 1d | 3 | ||||
| 4 | Cash deemed held for exempt use. Enter 0.015 of line 3 (for greater amount, see instructions). | 4 | ||||
| 5 | Net value of non-exempt-use assets (subtract line 4 from line 3) | 5 | ||||
| 6 | Multiply line 5 by 0.035 | 6 | ||||
| 7 | Recoveries of prior-year distributions | 7 | ||||
| 8 | Minimum Asset Amount (add line 7 to line 6) | 8 | ||||
| Section C - Distributable Amount | Current Year | |||||
| 1 | Adjusted net income for prior year (from Section A, line 8, Column A) | 1 | ||||
| 2 | Enter 85% of line 1 | 2 | ||||
| 3 | Minimum asset amount for prior year (from Section B, line 8, Column A) | 3 | ||||
| 4 | Enter greater of line 2 or line 3 | 4 | ||||
| 5 | Income tax imposed in prior year | 5 | ||||
| 6 | Distributable Amount. Subtract line 5 from line 4, unless subject to emergency temporary reduction (see instructions) | 6 | ||||
| Section D - Distributions | Current Year | |
|---|---|---|
| 1 Amounts paid to supported organizations to accomplish exempt purposes | 1 | |
|
2
Amounts paid to perform activity that directly furthers exempt purposes of supported organizations, in excess of income from activity |
2 | |
| 3 Administrative expenses paid to accomplish exempt purposes of supported organizations | 3 | |
| 4 Amounts paid to acquire exempt-use assets | 4 | |
| 5 Qualified set-aside amounts (prior IRS approval required - provide details in Part VI) | 5 | |
| 6 Other distributions (describe in Part VI). See instructions | 6 | |
| 7Total annual distributions. Add lines 1 through 6. | 7 | |
|
8
Distributions to attentive supported organizations to which the organization is responsive (provide details in Part VI). See instructions |
8 | |
| 9 Distributable amount for 2023 from Section C, line 6 | 9 | |
| 10 Line 8 amount divided by Line 9 amount | 10 | |
| Section E - Distribution Allocations (see instructions) |
(i) Excess Distributions |
(ii) Underdistributions Pre-2023 |
(iii) Distributable Amount for 2023 |
|
|---|---|---|---|---|
| 1 Distributable amount for 2023 from Section C, line 6 | ||||
|
2
Underdistributions, if any, for years prior to 2023 (reasonable cause required-- explain in Part VI).
See instructions. |
||||
| 3 Excess distributions carryover, if any, to 2023: | ||||
| a From 2018....... | ||||
| b From 2019....... | ||||
| c From 2020....... | ||||
| d From 2021....... | ||||
| e From 2022....... | ||||
| fTotal of lines 3a through e | ||||
| g Applied to underdistributions of prior years | ||||
| h Applied to 2023 distributable amount | ||||
|
i
Carryover from 2018 not applied (see instructions) |
||||
| j Remainder. Subtract lines 3g, 3h, and 3i from line 3f. | ||||
| 4Distributions for 2023 from Section D, line 7: | ||||
| $ | ||||
| a Applied to underdistributions of prior years | ||||
| b Applied to 2023 distributable amount | ||||
| c Remainder. Subtract lines 4a and 4b from line 4. | ||||
|
5
Remaining underdistributions for years prior to 2023, if any. Subtract lines 3g and 4a from line 2. If the amount is greater than zero, explain in Part VI. See instructions. |
||||
|
6
Remaining underdistributions for 2023. Subtract lines 3h and 4b from line 1. If the amount is greater than zero, explain in Part VI. See instructions. |
||||
|
7 Excess distributions carryover to 2024. Add lines 3j and 4c. |
||||
| 8 Breakdown of line 7: | ||||
| a Excess from 2019..... | ||||
| b Excess from 2020..... | ||||
| c Excess from 2021..... | ||||
| d Excess from 2022..... | ||||
| e Excess from 2023..... | ||||
| Facts And Circumstances Test |
|---|
| Return Reference | Explanation |
|---|
| Software ID: | |
| Software Version: |
| Return Reference | Explanation |
|---|---|
| FORM 990, PART VI, SECTION A, LINE 6 | THERE ARE FOUR CLASSES OF MEMBERS: ORDINARY, CONTRIBUTING, CORPORATE, AND INSTITUTIONAL. |
| FORM 990, PART VI, SECTION A, LINE 7A | THE INDIVIDUAL MEMBERSHIP ELECTS ALL BOARD MEMBERS, EXCEPT THE TREASURER AND ASSOCIATE TREASURER. THE TREASURER AND ASSOCIATE TREASURER SERVE WITH APPROVAL OF THE COUNCIL. A SECOND GOVERNING BODY, THE COUNCIL, HAS SOME MEMBERS THAT ARE ELECTED BY THE MEMBERSHIP. |
| FORM 990, PART VI, SECTION A, LINE 7B | THE BYLAWS MAY ONLY BE AMENDED ON RECOMMENDATION OF THE COUNCIL AND WITH THE APPROVAL OF THE MEMBERSHIP OF THE SOCIETY, SUCH APPROVAL CONSISTING OF AN AFFIRMATIVE VOTE BY TWO-THIRDS OF THE MEMBERS PRESENT AT A BUSINESS MEETING OR OF TWO-THIRDS OF THE MEMBERS VOTING IN A MAIL BALLOT IN WHICH AT LEAST TEN PERCENT OF THE MEMBERS VOTE, WHICHEVER ALTERNATIVE HAS BEEN DESIGNATED BY THE COUNCIL AND CARRIED OUT SUBJECT TO THE SPECIFIC PROCEDURES OUTLINED IN THE BYLAWS. |
| FORM 990, PART VI, SECTION B, LINE 11B | THE 990 IS PREPARED BY THE FISCAL DEPARTMENT AND THE SOCIETY'S TAX ADVISORS, CITRIN COOPERMAN ADVISORS. WHEN THE FINAL DRAFT IS PREPARED, IT IS REVIEWED BY THE CHIEF FINANCIAL OFFICER AND THE EXECUTIVE DIRECTOR. AFTER THIS REVIEW, THE BOARD OF TRUSTEES IS ASKED TO REVIEW THE 990 ELECTRONICALLY BY ACCESSING A SECURE INTERNET SITE. THEY ARE GIVEN APPROXIMATELY THREE TO FIVE BUSINESS DAYS TO REVIEW THE DRAFT. AFTER RESPONDING TO ANY FEEDBACK FROM THE TRUSTEES, THE FILING IS MADE. |
| FORM 990, PART VI, SECTION B, LINE 12C | AMS OFFICERS, TRUSTEES, AND KEY EMPLOYEE, WHO ARE DEFINED AS INTERESTED PERSONS, ARE REQUIRED TO DISCLOSE ANNUALLY FINANCIAL INTERESTS THAT COULD GIVE RISE TO CONFLICTS BY SIGNING OFF ON THE CONFLICT OF INTEREST POLICY. THE AMS ADOPTED THIS POLICY IN NOVEMBER 2011 AND TRUSTEES SIGNED OFF ON THIS POLICY IN NOVEMBER. EACH NOVEMBER TRUSTEES AND KEY EMPLOYEES WILL BE ASKED TO AGAIN SIGN OFF ON THE POLICY AND DISCLOSE ANY POSSIBLE OR ACTUAL CONFLICTS. THE AMS DEFINES AN "INTERESTED PERSON" ACCORDING TO THE IRS DEFINITION, AND THEY ARE ANY DIRECTOR, PRINCIPAL OFFICER , OR MEMBER OF A COMMITTEE WITH BOARD-DELEGATED POWERS, WHO HAS A DIRECT OR INDIRECT FINANCIAL INTEREST. AN INTERESTED PERSON MUST DISCLOSE A FINANCIAL INTEREST, AS DEFINED BY THE IRS, THAT IS A POTENTIAL CONFLICT TO THE BOARD OF TRUSTEES OR COMMITTEE WHO WILL DECIDE IF A CONFLICT EXISTS. IF THE BOARD OF TRUSTEES OR COMMITTEE WITH BOARD-DELEGATED POWERS, EXCLUDING THE INTERESTED PERSON DECIDES THAT A CONFLICT EXISTS, ALTERNATIVE TRANSACTIONS OR ARRANGEMENTS MIGHT BE MADE AFTER INVESTIGATING IN ORDER TO AVOID THE CONFLICT. ALTERNATIVELY, DISINTERESTED PERSONS ON THE BOARD OF TRUSTEES OR COMMITTEE MAY DETERMINE THAT A TRANSACTION IS FAIR OR REASONABLE AND IN THE BEST INTERESTS OF THE ORGANIZATION. THE INTERESTED PERSON WHO HAS A CONFLICT MAY NOT VOTE ON MATTERS FOR WHICH THERE IS A CONFLICT OF INTEREST AND THEY MUST BE EXCLUDED FROM DISCUSSIONS OF MATTERS FOR WHICH THERE IS A CONFLICT OF INTEREST. |
| FORM 990, PART VI, SECTION B, LINE 15 | THE BOARD OF TRUSTEES REVIEWS AND APPROVES WITH THE EXECUTIVE DIRECTOR THE PROCESS BY WHICH THE EXECUTIVE DIRECTOR ESTABLISHES THE SALARY AND BENEFITS OF THE CHIEF FINANCIAL OFFICER AND KEY EMPLOYEES FOR THE UPCOMING YEAR. INCLUDED IN THIS REVIEW IS COMPARISON DATA FROM COMPENSATION SURVEYS. WITH RESPECT TO THE EXECUTIVE DIRECTOR, THE BOARD IS GIVEN SALARY AND BENEFIT AMOUNTS APPROVED FOR THE CURRENT YEAR, AND PROFORMA AMOUNTS FOR THE UPCOMING YEAR. THE BOARD IS ALSO GIVEN COMPARISON DATA FROM COMPENSATION SURVEYS TO ASSIST WITH COMPENSATION DECISIONS FOR THE EXECUTIVE DIRECTOR. THE BOARD TAKES INTO CONSIDERATION THE INFORMATION PROVIDED BY STAFF AS WELL AS COMPENSATION SURVEYS AND PERFORMANCE IN SETTING HIS/HER COMPENSATION FOR THE FOLLOWING YEAR. ALL COMPENSATION SURVEYS USED FOR SETTING THE EXECUTIVE DIRECTOR AND KEY EMPLOYEES' SALARIES ARE FROM INDEPENDENT SOURCES, AND THEY ARE GATHERED BY A HUMAN RESOURCES PROFESSIONAL. THE BOARD DOCUMENTS THEIR PROCESS FOR SETTING THE SALARIES EACH YEAR. |
| FORM 990, PART VI, SECTION C, LINE 19 | THE SOCIETY'S GOVERNING DOCUMENTS ARE ON THE SOCIETY'S WEBSITE. THE ANNUAL REPORT OF THE TREASURER, INCLUDING THE FINANCIAL STATEMENT, IS PUBLISHED EACH YEAR IN THE SOCIETY'S PUBLICATION, NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY. THESE PUBLICATIONS ARE AVAILABLE ON THE WEBSITE. |
| FORM 990, PART VII, SECTION A, LINE 15: | PROFESSOR BORIS HASSELBLATT, SECRETARY, IS EMPLOYED BY TUFTS UNIVERSITY. THE SOCIETY HAS AN AGREEMENT WITH THE UNIVERSITY TO REIMBURSE FOR HALF OF THE COMPENSATION PAID BY THE UNIVERSITY TO HIM SINCE HE WILL SPEND HALF OF HIS TIME PROVIDING SERVICES TO THE SOCIETY IN HIS ROLE AS SECRETARY. THE AMOUNTS SHOWN IN PART VII ARE EQUAL TO THE AMOUNTS PAID BY THE SOCIETY DURING 2022 WITH RESPECT TO THIS AGREEMENT EVEN THOUGH THEY WERE PAID TO THE UNIVERSITY RATHER THAN TO HIM DIRECTLY. |
| FORM 990, PART XI, LINE 9: | POST RETIREMENT BENEFIT CHANGES -304,954. |
| FORM 990, PART XII, LINE 2C: | THE OVERSIGHT PROCESS OF THE ORGANIZATION'S AUDIT HAS REMAINED UNCHANGED FROM THE PRIOR YEAR. |
| Software ID: | |
| Software Version: |